420 Mobile Piston Pump Design Code B

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1 42 Mobile Piston Pump Design Code B ADU41 ADU49 ADU62 ADU8

2 Introduction 42 Series Mobile Piston Pump Eaton s 42 Series mobile pumps are open circuit, axial piston designs with displacements of 41cc, 49cc, 62cc, and 8cc for operating speeds up to 2,65 rpm. They are available with a variety of control options to match their performance to a broad range of mobile applications. The highly efficient pump controls reduce cooling system requirements, allowing a smaller and less expensive design to be used. Or, cooling capacity can be kept the same and the flow capability of the system increased to improve performance. A strong, field-proven rotating group allows the pumps to handle pressures to 28 bar (4 psi) continuous and 32 bar (46 psi) intermittent with less maintenance cost. 42 Series pumps use a saddletype swashplate with steel-backed polymer bearings and a pressure lubrication passage to reduce wear and support internal loads. The swashplate is very stiff, which reduces deflection and allows even loading of the bearings to extend the unit s service life. The combination of high load capacity bearings and a stiff drive shaft help provide a pump B1 bearing life of up to 1,28 hours at rated mobile conditions, reducing operating costs and extending operating life. A single control piston is used to vary pump output. This design reduces the forces acting on the swashplate, resulting in reduced package size, which allows pump installation into tighter locations. In response to customer expectations and regulatory requirements, Eaton has designed the 42 Series pumps to operate at very low noise levels. A bimetal timing plate is used to improve pump filling characteristics which further reduces fluid-borne noise and extends pump life. Both SAE and ISO mounting flange configurations are available as well as SAE and ISO tube- and flangetype ports. Side- or end-ported models are available to facilitate plumbing and help fit the pump to machine space needs, as are multiple drain ports to allow many mounting orientations. Typical Applications Loader backhoes Vibratory cable plows Mining machinery Dump truck lifts Agriculture tractors Chemical applicator trucks Railroad equipment Container handling, allterrain, and truck cranes Vibratory cable plows Mining machinery and tunnel boring equipment Utility boom, off-road dump, and refuse trucks Material handling trucks and rough terrain fork lifts Concrete and asphalt pavers Feller/bunchers, forwarders, and log loaders Crawler dozers Articulate haulers Mini-excavators Features and Benefits Long pump life Quiet pump operation Low installed and operating costs Reduced maintenance Flexibility in machine design Compact size saves space Design promotes leak-free system 2 EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217

3 Table of Contents Model Codes 4 Specifications and Performance 6 Control Options Load Sense and Pressure Compensator 7 Pressure Compensator 8 Torque Control 9 EH Inverse Proportional Pressure Control (IPPC) 1 Remote Pressure Control 11 Cold Start Valve 12 Performance ADU41 13 ADU49 16 ADU62 19 ADU8 22 Pump Installation B-mount Rear-ported 25 B-mount Side-ported 26 C-mount Rear-ported 27 C-mount Side-ported 28 Thru-Drive SAE A Option 27 Thru-Drive SAE B Option 29 Dual Shaft Seal Option 3 Control Installation Load Sense and Pressure Compensator 32 Pressure Compensator 33 Torque Control 34 EH Inverse Proportional Pressure Control (IPPC) 35 Cold Start Valve 36 External Manual Stroke Adjustment 37 Input Shaft Options 38 Center of Gravity 41 Installation and Start-up 42 EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217 3

4 Model Codes 42 Mobile Piston Pump ADU 62 R 8 AB 1 A A 1 AB 1 CD B Pump Series ADU 42 Series Open Circuit Piston Pump Pump Displacement cm3/r [2.5 in3/r] cm3/r [3. in3/r] cm3/r [3.8 in3/r] 8 8. cm3/r [4.88 in3/r] 7 Input Shaft Rotation R Right Hand L Left Hand 8 9 Front Mount and Shaft 1 2 Bolt B, 22.2 mm (.875in.) Dia. Keyed Shaft 2 2 Bolt B, 25.4 mm (1.in.) Dia. Keyed Shaft 3 2 Bolt B, mm (.875in.) Dia. Tapered Keyed Shaft 5 2 Bolt B, 13 Tooth 16/32 Spline 8 2 Bolt B,15 Tooth 16/32 Spline 32 2/4 Bolt C, 14 Tooth 12/24 Spline 33 2/4 Bolt C, 31.8 mm (1.25in) Dia. Keyed Shaft 34 2 Bolt B, 15 Tooth 16/32 Sled Runner Spline 35 2 Bolt B, 14 Tooth 12/24 Spline 38 2/4 Bolt C, mm (1.25) Dia. Tapered Keyed Shaft 1 11 Main Ports Size & Location AA Rear Ports Suction - 2 (Code 61); Pressure - 1 (Code 61) AB Side Ports Suction - 2 (Code 61); Pressure - 1 (Code 61) AC Rear Ports Suction - 2 (Code 61) with M12 Threads; Pressure - 1 (Code 61) with M1 Threads. AD Side Ports Suction - 2 (Code 61) with M12 Threads; Pressure - 1 (Code 61) with M1 Threads. AE Rear Ports Suction - SAE O-Ring Port; Pressure - UN-2B SAE O-Ring Port (ADU41 & ADU49 only) AF Side Ports Suction - #24 SAE O-Ring; Pressure - #16 SAE O-Ring (ADU41 and ADU49 Only) AG Rear Ports Suction - M48 Metric O-Ring; Pressure - M33 Metric O-Ring (ADU41 & ADU49 Only) AH Side Ports Suction - M48 Metric O-Ring; Pressure - M33 Metric O-Ring (ADU41 & ADU49 Only) AK Rear Ports Suction - 2 (Code 61); Pressure - #16 SAE O-Ring (ADU62 Only) 12 Case Drain Ports 1 #12 SAE O-Ring - Top 2 #12 SAE O-Ring - Bottom 3 M27 x 2 O-Ring - Top 4 M27 O-Ring - Bottom 5 #12 SAE O-Ring - Left Side (Swash Sensor Boss) 13 Diagnostic Pressure Ports Not available on thru-drive units No Diagnostic Pressure Ports 1 #6 SAE O-Ring - Plugged (Rear Ports Only) 2 M14 Metric O-Ring - Plugged (Rear Ports Only) 3 #4 SAE O-Ring - Plugged (Side Ports Only) 4 M12 Metric O-Ring - Plugged (Side Ports Only) 14 Controller Type A Pressure Flow Compensator With #4 SAE O-Ring Load Sense Port B Pressure Flow Compensator With M12 Metric O-Ring Load Sense Port C Pressure Compensator Only H Pressure Flow Compensator With Torque Control #4 SAE O-Ring Load Sense Port J Pressure Flow Compensator With Torque Control M12 Metric O-Ring Load Sense Port K Pressure Compensator With Torque Control V EH Inverse Proportional Pressure Control (vertical mounting) W Remote Pressure Control with SAE O-Ring Port, Left Side # 1 Remote Pressure Control M12 Metric O-Ring Port, Left Side Pressure Compensator Setting (Tolerance on Setting)* bar [3-31 lbf/in2] bar [35-36 lbf/in2] bar [4-41 lbf/in2] * Additional Settings Available by Request # - Recommend RPC pressure settings 1-21 bar (14-35 psi) 4 EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217

5 Model Codes 42 Mobile Piston Pump ADU 62 R 8 AB 1 A A 1 AB 1 CD B Flow Compensator / Remote Pressure Control Setting* No Flow Compensator Setting bar [18-22 lbf/in2] bar [33-37 lbf/in2] 19 2 Torque Control Setting No Torque Control AA 4 Nm [35 in-lbs] (41,49) AB 51 Nm [45 in-lbs] (41,49) AC 62 Nm [55 in-lbs] (41,49,62) AD 73 Nm [65 in-lbs] (41,49,62,8) AE 85 Nm [75 in-lbs] (41,49,62,8) AF 96 Nm [85 in-lbs] (41,49,62,8) AG 17 Nm [95 in-lbs] (41,49,62,8) AH 119 Nm [15 in-lbs] (49,62,8) AJ 13 Nm [115 in-lbs] (49,62,8) AK 141 Nm [125 in-lbs] (49,62,8) AL 153 Nm [135 in-lbs] (62,8) AM 164 Nm [145 in-lbs] (62,8) AN 175 Nm [155 in-lbs] (62,8) AP 186 Nm [165 in-lbs] (62,8) AR 198 Nm [175 in-lbs] (62,8) AT 29 Nm [185 in-lbs] (62,8) AU 22 Nm [195 in-lbs] (8) Control Special Features Control Special Features A Bleed Down Orifice B 24V Cold Start Valve D 12V Cold Start Valve S 12V DC Solenoid AMP Jr Connector (used with EH inverse proportional pressure control) T 24V DC Solenoid AMP Jr Connector (used with EH inverse proportional pressure control) U 12V DC Solenoid Deutsch Connector (used with EH inverse proportional pressure control) V 24V DC Solenoid Deutsch Connector (used with EH inverse proportional pressure control) 23 Maximum Displacement Option* 1 Standard Displacement (As Given In Code Title) 2 External Manual Stroke Adjustment Auxiliary (Rear) Mount & Output Shaft No Auxiliary Mounting Features AB SAE A 2 Bolt, 11T 16/32 Spline AC SAE B 2 Bolt, 13T 16/32 Spline AD SAE B 2 Bolt, 15T 16/32 Spline AE SAE A 2 Bolt, 9T 16/32 Spline 26 Shaft Seal No Shaft Seal 1 Standard Polyacrylate Shaft Seal 2 Viton Shaft Seal 3 Double, Two-Way Shaft Seal, Viton With VHO Filter 4 Nitrile Shaft Seal 5 Single Viton Shaft Seal in 2/4 Bolt C Mount Pump Housing Pump Special Features No Special Features AA Auxiliary Mounting Cover Plate AB Swash Position Sensor AC Shaft Speed Sensor AD Modified End Cover, Corner Removed AE Support Studs (1/2-13 UNC-2B x (4.64) Long in Top Two End Cover/Housing Bolt Locations AG Swash Position Sensor and Shaft Speed Sensor 29 3 Paint No Paint CD Blue Primer B Black 31 Identification/Packaging Standard Eaton Identification Box Packaging J ATEX certification 32 Design Level B Second Design * Additional Settings Available by Request Additional settings available by request, including fixed displacement stops. Not available on SAE B mount EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217 5

6 Specifications and Performance General Performance Specifications Units ADU41 ADU49 ADU62 ADU8 Displacement cc/r (in 3 /r) 41. (2.5) 49.2 (3.) 62.3 (3.8) 8. (4.88) Weight Single Seal 1 kg (lbm) 22.9 (5.4) 22.9 (5.4) 23.8 (52.4) 24.2 (53.4) Dual Seal (53.1) 24.1 (53.1) 25. (55.1) 25.4 (56.1) Pressure Continuous bar (psi) 28 (46) 28 (46) 28 (46) 21 (35) Intermittent 2 32 (46) 32 (46) 32 (46) 23 (3335) Peak 3 35 (5) 35 (5) 35 (5) 25 (3625) Speed 4 At 1 bar abs ( psig) rpm At.85 bar abs (5 in.hg) At 2 bar abs (15 psig) Max (standby) Min Power Max (theoretical) kw (hp) 5.7 (68.) 6.8 (81.5) 75.6 (11.3) 61.7 (82.7) Standby.98 (1.3).98 (1.3) 1.1 (1.5) 1.4 (1.9) Torque Max (theoretical) Nm (lb-ft) 183 (135) 219 (162) 278 (25) 268 (198) Bearing Life 5 At 14 bar (23 psi) B1 Hours 13,65 55,58 33,5 17,15 At 21 bar (345 psi) 26,83 14,38 8,67 4,44 At 28 bar (46 psi) 1,28 5,51 3,32 N/A Mass Moment of Inertia Nm-sec (lb-in-sec 2 ) (.288) (.288) (.43) (.517) 1 Standard SAE B non-through drive. 2 Less than 1% of duty cycle. 3 Momentary system pressure spikes only. 4 Ratings based on Flange ports. Note: Tube ports are not available on the 62cc and 8cc displacements. 5 Bearing life ratings at rated speed - 1 bar abs ( psig) inlet. Inlet Pressure, Case Pressure, and Operating Temperature Requirements Inlet Pressure Case Pressure Operating Temperature Maximum Maximum Minimum Maximum Rated Minimum Maximum Continuous Intermittent Peak Rated Temperature Intermittent bar abs (psig) bar abs (in. Hg) bar abs (psig) bar abs (psig) bar abs (psig) bar abs (psig) C ( F) C ( F) C ( F) 1. ().85 (5) 4.4 (5) 1.3 (5) 3.1 (3) 6.2 (75) 93 (2) -37 (-35) 14 (22) Hydraulic Fluids Recommended Minimum Max. Operating Maximum Maximum Viscosity Intermittent Temperature of Minimum Viscosity Range Continuous at Startup 93 C (2 F) Intermittent Fluid cst (SUS) cst (SUS) cst (SUS) cst (SUS) cst (SUS) Use antiwear hydraulic oil, 16 to 4 (8 to 188) 43 (1192) 21 (972) 1 (59) 6 (46) or automotive type crankcase oil (designations SC, SD, SE or SF) per SAE J183 FEB8 For more information, see Eaton publication 579. For operation on other alternative or environmentally friendly fluids, please contact your Eaton Representative. 6 EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217

7 Control Options Load Sense and Pressure Compensator Load Sense and Pressure Compensator Control The pump will provide power matching of pump output to system load demand, maximizing efficiency and improving load metering characteristics of any directional control valve installed between the pump and the load. Load sensing ensures that the pump always provides only the amount of flow needed by the load. At the same time, the pump operating pressure adjusts to the actual load pressure plus a pressure differential required for the control action. When the system is not demanding power, the load sense control will operate in an energysaving stand-by mode. Typically, the differential pressure is that between the pressure inlet and service port of a proportionally controlled directional valve, or a load sensing directional control valve. See the model code on page 4 for differential pressure settings for load sensing. If the load pressure exceeds the system pressure setting, the pressure compensator de-strokes the pump. The load sensing line must be as short as possible and can also be used for remote control or unloading of the pump pressure. For remote control purposes, it is recommended that you contact your Eaton Representative for the correct configuration of the control. Warning: The pressure compensator may be adjusted beyond the rated pressure of the pump. When adjusting the pressure limiter, install a -35 bar (-5 psi) gage in the outlet gage port and limit the pressure setting to the continuous rated pressure for the pump displacement shown on page 6. Pressure Limit Settings The pressure compensator uses two springs to cover the full pressure range of the ADU pumps. The high pressure spring covers the range from 14 bar (25 psi) to 28 bar (46 psi). The low pressure spring is adjustable from minimum pressure through 14 bar (25 psi). Flow Compensator (Load Sense) Settings There are three springs used to cover the load sense adjustment range of this control. Pressure Compensator Spring Pressure Ranges: 6 bar (87 psi) to 144 bar (289 psi) 144 bar (289 psi) to 28 bar (46 psi) Flow Compensator (Load Sense) Spring Pressure Range: 1.3 bar (15 psi) to 17.2 bar (25 psi) 17.2 bar (25 psi) to 31. bar (45 psi) F case drain K inlet gage port (optional) L outlet gage port (optional) B inlet To load Optional bleed-down orifice in Code A or B with control special feaure "A". ø,4 mm (.15 in.). Orifice is plugged for no bleed down in control Code A or B. C outlet Typical Operating Curve Outlet Flow Q Outlet Pressure Dynamic Response per SAE J745 (Using Swash Plate Position) Response Recovery Load Sense (off stroke) (on stroke) Recovery msec msec msec ADU ADU ADU ADU P J load sense signal port EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217 7

8 Control Options Pressure Compensator Pressure Compensator Control The pump will provide a continuously modulated flow to meet changing load demands at a pre-adjusted compensator pressure. At pressures below the compensator setting, the pump will operate at maximum displacement. See model code on page 4 for compensator pressure ranges. Warning: The pressure compensator may be adjusted beyond the rated pressure of the pump. When adjusting the pressure limiter, install a -35 bar (-5 psi) gage in the outlet gage port and limit the pressure setting to the continuous rated pressure for the pump displacement shown on page 6. Pressure Limit Settings The pressure compensator uses two springs to cover the full pressure range of the ADU pumps. The high pressure spring covers the range from 14 bar (25 psi) to 28 bar (46 psi). The low pressure spring is adjustable from minimum pressure through 14 bar (25 psi). F Case Drain K Inlet Gage Port L Outlet Gage Port Pressure Cut-off Characteristics of Pressure Compensator Control at 49 C (12 F), static conditions. Outlet Flow + + Q B Inlet To Load See Model Code on Page 4 for Spring (Pressure) Adjustment Ranges. C Outlet Outlet Pressure P Dynamic Response per SAE J745 (Using Swash Plate Position) Response Recovery (off stroke) (on stroke) msec msec ADU ADU ADU ADU EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217

9 Control Options Torque Control Torque Control The 42 Torque Control limits the power input to the pump preventing the engine from stalling while also optimizing the use of the engine power. F Case Drain B Inlet See Page 7 for Pressure Compensator Control and Load Sense When combined with Pressure Compensator Control and/or Load Sense (refer to page 7) it will allow the 42 to remain inside the power envelope of the Pressure Flow curve. When the combination of pump flow and outlet pressure moves outside the envelope, the pump displacement will automatically be reduced. J Load Sense Signal Port This maximum setting is easily calculated using the following steps: 1. Select the 42 pump displacement you intend to use 2. Identify the available engine horsepower (HP) and speed (rpm) 3. Calculate the torque limit required by the system using the equations shown 4. Select the MAX torque setting from the table shown C Outlet To Load Torque = Horsepower (HP) x 6325 Torque = Horsepower (KW) x 955 (in-lbs) Engine RPM (Nm) Engine RPM Code Torque Setting 41cc 49cc 62cc 8cc AA 4 Nm (35 in-lbs) AB 51 Nm (45 in-lbs) AC 62 Nm (55 in-lbs) AD 73 Nm (65 in-lbs) AE 85 Nm (75 in-lbs) AF 96 Nm (85 in-lbs) AG* 17 Nm (95 in-lbs) AH 119 Nm (15 in-lbs) AJ 13 Nm (115 in-lbs) AK 141 Nm (125 in-lbs) AL 153 Nm (135 in-lbs) AM 164 Nm (145 in-lbs) AN 175 Nm (155 in-lbs) AP 186 Nm (165 in-lbs) AR 198 Nm (175 in-lbs) AT* 29 Nm (185 in-lbs) AU 22 Nm (195 in-lbs) * reference 62cc Torque (lbf-in) Flow (GPM) Power Curve* % 75% Torque Curve* % 75% with Torque Control Pressure (PSI) with Torque Control Full Flow Pressure for Torque Limit Setting Pressure (PSI) without Torque Control Pressure Limit Setting 62cc AT 62cc AG EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217 9

10 Control Options EH Inverse Proportional Pressure Control (IPPC) EH Inverse Proportional Pressure Control (IPPC) The EH Inverse Proportional Pressure control allows for stepless variation of the max pump output pressure, as per the current signal provided to the control valve solenoid. The integrated pump control makes use of an external current signal to vary the pump output pressure. This control has an inverse proportional characteristic i.e. with increasing current signal, the max output pressure is proportionately reduced. Warning: The pressure setting may be adjusted beyond the rated pressure of the pump. When adjusting the pressure, install a -35 bar (-5 psi) gage in the outlet gage port and limit the pressure setting to the continuous rated pressure for the pump displacement shown on page 6. L Typ. Current vs Pressure Characteristics of IPPC at 18 rpm at various max pressure settings at 49 deg C (12deg F), static conditions. Pressure (bar) Pressure Limit Settings The EH IPPC covers pressure range of the ADU pumps. The max pressure can be set from 14 bar (25 psi) to 28 bar (46 psi) Current (ma) ELECTRICAL DATA Voltage 12 V 24 V Max Current 15 ma 75 ma R2, Resistance(ohm) 5.3 +/- 5% /- 5% Type of Control Current Current Recommended 1 Hz 1 Hz PWM Control Frequency Duty Cycle 1% 1% Insulation material Class H, 18 deg C Class H, 18 deg C Protection Class IP69K/IPX9K IP69K/IPX9K Connector AMP Junior Power AMP Junior Power Timer/ Deutsch Timer/ Deutsch Connector DT4-2P Connector DT4-2P Operating Temperature -3 deg C; 15 deg C -3 deg C; 15 deg C 1 EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217

11 Control Options Remote Pressure Control Remote Pressure Control Remote relief valve is to be connected to pilot port J through necessary external piping. Standard differential pressure of 2 bar is set at RPC spool. The required outlet pressure (below 28 bar) can be set by adjusting remote relief valve setting. Once pressure reaches preset value, flow across remote relief valve starts, this results in RPC spool movement due to pressure imbalance. This will de-stroke the pump to maintain the set pressure. Secondary pressure compensator is provided to limit the max pressure setting as a fail safe measure. The delta pressure is factory set which can not be changed. If the remote line is connected directly to tank, the flow compensator setting selected in the model code will be the minimum pressure setting. * Flow Compensator is not available with RPC. * Flow Compensator/ Remote Pressure Control setting should be selected within range of 1-24 bar (14-35 psi). * Remote relief valve is not included in supply scope of the pump. Delta Pressure setting at control valve - bar (psi) (2-35) Control fluid consumption - lpm (gpm) 4.5 (1.2) max. Recommended flow rating of remote relief valve- lpm (gpm) 3 5 ( ) Recommended Eaton Relief Valve part number RV5-1-S--5 EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March

12 Control Options Cold Start Valve Cold Start Valve The 42 Cold Start Valve reduces pump start-up torque by directing control pressure to the outlet. F Case Drain B Inlet Optional Bleed-down Orifice It is primarily used in cold weather applications and includes a 12 or 24 VDC directional control valve mounted between the pump housing and compensator. K Inlet Gage Port (Optional) J Load Sense Signal Port L Inlet Gage Port (Optional) C Outlet To Load 12 EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217

13 Performance ADU41 Overall Efficiency Versus 49º C (12º F), Full Flow, and 1. bar ( psi) Inlet bar (22 psi) 2 bar (29 psi) Efficiency (%) bar (36 psi) 28 bar (4 psi) Overall Efficiency Versus 49º C (12º F), Full Flow, and 1. bar ( psi) Inlet bar (15 psi) 68 bar (1 psi) Efficiency (%) bar (5 psi) 5 bar (7 psi) EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March

14 Performance ADU41 Input Power Versus 49º C (12º F), Full Flow, and 1. bar ( psi) Inlet Input Power, Kw (hp) 52 (7) 45 (6) 37.5 (5) 3 (4) 22.5 (3) 15 (2) 2 28 bar (4 psi) 25 bar (36 psi) 2 bar (29 psi) 15 bar (22 psi) 13 bar (15 psi) 7.5 (1) 5 bar (7 psi) Input Torque Versus 49º C (12º F), Full Flow, and 1. bar ( psi) Inlet 226 (2) 181 (16) 28 bar (4 psi) 25 bar (36 psi) Input Torque, Nm (in-lb) 136 (12) 9 (8) 45 (4) 28 bar (29 psi) 15 bar (22 psi) 13 bar (15 psi) 5 bar (7 psi) 68 bar (1 psi) 34 bar (5 psi) EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217

15 Performance ADU41 Delivery and Case Flow Versus 49º C (12º F) 134 (35) 3.5 Main Flow, lpm (gpm) 115 (3) 95 (25) 76 (2) 57 (15) 28 (1) 25 bar (365 psi) 28 bar (4 psi) 28 bar (4 psi) (1.) Case Flow, lpm (gpm) 19 (5) (.5) 25 bar (365 psi) Input Torque and Case Flow 49º C (12º F) Input Torque and Case Flow 49º C (12º F) Input Torque, Nm (in-lb) 4.5 (4) 3.94 (35) 3.38 (3) 2.81 (25) 2.25 (2) 1.69 (15) 1.13 (1).56 (5) 2 bar (29 psi) 11 bar (16 psi) (1.) 3. (.75) 2..5(.5) 1..25(.25) Case Flow, lpm (gpm) Input Torque, Nm (in-lb) 5.5 (45) 45. (4) 39.4 (35) 33.8 (3) 28. (25) 22.5 (2) 16.9 (15) 11.3 (1) 5.6 (5) 28 bar (46 psi) Torque 15 bar (2175 psi) Torque 28 bar (46 psi) Case Flow 15 bar (2175 psi) Case Flow (2.) 6. (1.5) 14. (1.).5 2. (.5) Case Flow, lpm (gpm) EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March

16 Performance ADU49 Overall Efficiency Versus 49º C (12º F), Full Flow, and 1. bar ( psi) Inlet Efficiency (%) bar (22 psi) 2 bar (29 psi) 25 bar (36 psi) 28 bar (4 psi) Overall Efficiency Versus 49º C (12º F), Full Flow, and 1. bar ( psi) Inlet Efficiency (%) bar (15 psi) 68 bar (1 psi) 5 bar (7 psi) 34 bar (5 psi) EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217

17 Performance ADU49 Input Power Versus 49º C (12º F), Full Flow, and 1. bar ( psi) Inlet Input Torque Versus 49º C (12º F), Full Flow, and 1. bar ( psi) Inlet 271 (24) 226 (2) 28 bar (4 psi) 25 bar (36 psi) Input Torque, Nm (in-lb) 181 (16) 136 (12) 9 (8) 45 (4) 28 bar (29 psi) 15 bar (22 psi) 13 bar (15 psi) 5 bar (7 psi) 68 bar (1 psi) bar (5 psi) EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March

18 Performance ADU49 Delivery and Case Flow Versus 49º C (12º F) Input Torque and Case Flow 49º C (12º F) Input Torque and Case Flow 49º C (12º F) Input Torque, Nm (in-lb) 5.6 (45) 4.5 (4) 3.94 (35) 3.38 (3) 2.81 (25) 2.25 (2) 1.69 (15) 1.13 (1).56 (5) 2 bar (29 psi) 11 bar (16 psi) (1.) 3. (.75) 2. (.5) 1. (.25) Case Flow, lpm (gpm) Input Torque, Nm (in-lb) 67.5 (6) bar (46 psi) Torque 56.3 (5) (4) bar 33.8 (3) (46 psi) Case Flow (1.5) (1.25) 15 bar (2175 psi) Case Flow 22.5 (2) 14. (1.) (.75) 11.3 (1) 15 bar (2175 psi) Torque.5 2. (.5) (.25) Case Flow, lpm (gpm) 18 EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217

19 Performance ADU62 Overall Efficiency Versus 49º C (12º F), Full Flow, and 1. bar ( psi) Inlet bar (29 psi) 15 bar (22 psi) 25 bar (36 psi) bar (4 psi) Efficiency (%) Overall Efficiency Versus 49º C (12º F), Full Flow, and 1. bar ( psi) Inlet Efficiency (%) bar (15 psi) bar (1 psi) bar (7 psi) bar (25 psi) EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March

20 Performance ADU62 Input Power Versus 49º C (12º F), Full Flow, and 1. bar ( psi) Inlet 82 (11) 74.5 (1) 28 bar (4 psi) Input Power, kw (hp) 67 (9) 6 (8) 52 (7) 45 (6) 37.5 (5) 3 (4) 22.5 (3) 15 (2) 7.5 (1) 25 bar (36 psi) 2 bar (29 psi) 15 bar (22 psi) 13 bar (15 psi) 25 bar (365 psi) Input Torque Versus 49º C (12º F), Full Flow, and 1. bar ( psi) Inlet 317 (28) 271 (24) 28 bar (4 psi) 25 bar (36 psi) Input Torque, Nm (in-lb) 226 (2) 181 (16) 136 (12) 9 (8) 2 bar (29 psi) 15 bar (22 psi) 13 bar (15 psi) 69 bar (1 psi) 45 (4) 34 bar (5 psi) EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217

21 Performance ADU62 Delivery and Case Flow Versus 49º C (12º F) 191 (5) 172 (45) 153 (4) 134 (35) 25 bar (365 psi) 28 bar (4 psi) Main Flow, lpm (gpm) 115 (3) 95 (25) 76 (2) 57 (15) Case Flow, lpm (gpm) 28 (1) 28 bar (4 psi) 3.8 (1.) 19 (5) 1.9 (.5) 25 bar (365 psi) Input Torque and Case Flow 49º C (12º F) Input Torque and Case Flow 49º C (12º F) Input Torque, Nm (in-lb) 5.6 (45) 4.5 (4) 3.94 (35) 3.38 (3) 2.81 (25) 2.25 (2) 1.69 (15) 1.13 (1).56 (5) 2 bar (29 psi) 11 bar (16 psi) Case Flow, lpm (gpm) 14. (1.) (.75).5 2. (.5) (.25) Input Torque, Nm (in-lb) 67.5 (6) 56.3 (5) 45. (4) 28 bar (46 psi) Torque 33.8 (3) 28 bar (46 psi) Case Flow 6. (1.5) 5. (1.25) 15 bar (2175 psi) Case Flow 22.5 (2) 4. (1.) 3. (.75) 11.3 (1) 15 bar (2175 psi) Torque 2. (.5) 1. (.25) Case Flow, lpm (gpm) EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March

22 Performance ADU8 Input Power Versus 49º C (12º F), Full Flow, and 1. bar ( psi) Inlet bar (25 psi) 138 bar (2 psi) 86 Efficiency (%) bar (3 psi) Overall Efficiency Versus 49º C (12º F), Full Flow, and 1. bar ( psi) Inlet bar (1 psi) bar (15 psi) Efficiency (%) bar (5 psi) EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217

23 Performance ADU8 Input Power Versus 49º C (12º F), Full Flow, and 1. bar ( psi) Inlet 7 (93.9) 6 (8.5) 27 bar (3 psi) Input Power, kw (hp) 5 (67.1) 4 (53.6) 3 (4.2) 2 (26.8) 172 bar (25 psi) 138 bar (2 psi) 13 bar (15 psi) 67 bar (1 psi) 1 (13.4) 35 bar (5 psi) Input Torque Versus 49º C (12º F), Full Flow, and 1. bar ( psi) Inlet 35 (398) 3 (2655) Input Torque, Nm (lb-in) 25 (2213) 2 (177) 15 (1328) 1 (885) 27 bar (3 psi) 172 bar (25 psi) 138 bar (2 psi) 13 bar (15 psi) 67 bar (1 psi) 5 (443) 35 bar (5 psi) EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March

24 Performance ADU8 Delivery and Case Flow Versus 49º C (12º F) 18 (47.6) 16 (42.3) 35 bar (5 psi) Main Flow, lpm (gpm) 14 (37.) 12 (31.7) 1 (26.4) 8 (21.1) 6 (15.9) 4 (1.6) 2 (5.3) 27 bar (3 psi) 27 bar (3 psi) 35 bar (5 psi) Case Flow, lpm (gpm) 1.5 (.4) 1. (.3).5 (.1) Input Torque and Case Flow 49º C (12º F) Input Torque and Case Flow 49º C (12º F) 8 (71) 6 (531) Input Torque, Nm (lb-in) 7 (62) 6 (53) 5 (44) 4 (35) 3 (27) 2 (18) 2 bar (3 psi) 2 bar (3 psi) 3 (.8) 2 (.5) Case Flow, lpm (gpm) Input Torque, Nm (lb-in) 5 (443) 4 (354) 3 (266) 2 (177) 27 bar (3 psi) 27 bar (3 psi) 6 (1.6) 4 (1.1) Case Flow, lpm (gpm) 1 (9) 1 (.3) 1 (89) 2 (.5) EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217

25 Pump Installation B-mount / Rear-ported RH Rotation 72.6 ( 2.86) (Diagnostic Port) 69.1 ( 2.72) (Diagnostic Port) Top Case Drain 11.2 (4.34) 46 ( 1.81) 72.1 ( 2.84) (Case Drain) 2X 13.6 (.54) For Compensator Configuration See Separate Compensator Installation Drawing Suction Port A A 38.1 (1.5) (1.62) 41.1 Pressure Port Optional diagnostic pressure port 191 ( 7.52) 2X 218 ( 8.58) Optional Case Drain 87.9 ( 3.46) 97.3 ( 3.83) For Shaft Configuration See Separate Shaft Installation Drawing 9.4 (.37) 5.1 (.2) Ø11.6 ( 4.) 2X Ø14.2 (.56) ( 5.75) ( 4.81) ( 3.12) (Case Drain) ( 2.84) ( 3.) (Case Drain) 74.7 ( 2.94) 77.5 ( 3.5) Bottom Case Drain View A A p. 22 LH Rotation P. 24 Pressure Port ( ) ( ) Ø ( ) X [7.58] 8.58 ( ) ( ) ( ) Optional diagnostic suction port.81 [2.6] 25.3 [8.8] Suction Optional Port diagnostic suction port.81 [2.6] EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March

26 Pump Installation B-mount / Side-ported Case Drain Top 11.1 ( 4.34) RH Rotation A 73.8 ( 2.91) 74.7 ( 2.94) For Compensator Configuration See Separate Compensator Installation Drawing 46 ( 1.81) 72.1 ( 2.84) (Case Drain) 2x 13.6 (.54) Optional Case Drain Pressure Port ( 4.81) 79.2 ( 3.12) (Case Drain) 21.3 (.84) A 53.1 ( 2.9) 44.5 ( 1.75) Optional Diagnostic Suction Port Optional Diagnostic Pressure Port 71.4 ( 2.81) 71.4 ( 2.81) ( 8.34) 87.9 ( 3.46) 24.9 (9.49) (Diagnostic Port) ( 9.39) 97.3 (3.83) 5.1 (.2) 2x Ø14.2 (.56) For Shaft Configuration See Separate Shaft Installation Drawing 24.9 (9.49) 9.4 (.37) 97.3 Bottom Case Drain (3.83) 11.6 ( 4.) ( 5.75) ( 2.84) ( 3.) (Case Drain) 251.4(Diagnostic Port) ( 9.9) ( 1.9) View A A Suction Port LH Rotation Suction Port ( 8.59) ( 8.59) 26 EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217

27 Pump Installation C-mount / Rear-ported Top Case Drain ( 4.84 ) RH Rotation 46 ( 1.81) 74.7 ( 2.94) For Compensator Configuration See Separate Compensator Installation Drawing 2x 15.4 (.61) Suction Port A A Pressure Port Optional Diagnostic Pressure ( 1.62) Port 23.7 ( 1.5) Bottom Case Drain ( 8.2) 2x 23.7 ( 9.8) Optional Case Drain 13.1 ( 4.6) 11 ( 4.33) For Shaft Configuration See Separate Shaft Installation Drawing 12.4 (.49) 5.8 (.2) ( 4.5) 2x Ø 17.5 (.69) ( 4.58) ( 7.2 ) 4x Ø (.564) ( 4.81) 79.2 ( 3.12) (Case Drain) ( 2.84) ( 3.) (Case Drain) 69.1 ( 2.72) (Diagnostic Port) 72.6 ( 2.86) (Diagnostic Port) Ø127. ( 5.) View A A P. 24 LH Rotation 5.8 (.2) Optional diagnostic suction port Pressure Port Suction Port (.49) ( 4.6) 23.7 ( 8.2) 2x 23.7 ( 9.8) 25.3 [8.8].81 [2.6] ] EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March

28 Pump Installation C-mount / Side-ported RH Rotation A Optional A Diagnostic Optional Suction Diagnostic Port Suction Port 21.3 (.84) A 21.3 (.84) A 53.1 ( 2.9) 44.5 ( 1.75) 53.1 ( 2.9) 73.3 ( 2.89) 71.4 ( 2.81) ( 2.94) ( 2.81) Optional Diagnostic Pressure Port Pressure Port 44.5 ( 1.75) Case Drain Bottom 73.3 Case Drain ( 2.89 Top ) 71.4 ( 2.81) 71.4 ( 2.81) 74.7 ( 2.94) ( 4.84) 253.6( 9.99) ( 9.89) 251.2(Diagnostic Port) ( 9.89) 11 ( 4.33) ( 4.84) 46 ( 1.81) ( 2.84) For Compensator Configuration See 2x Separate 15.4 Compensator Installation For Compensator (.61) Drawing Configuration See Separate Compensator Installation Drawing Optional Diagnostic Pressure Port Pressure Port Case Drain Bottom Case Drain Top Case Drain Left 13.1 ( 4.6) ( 8.84) ( 4.6) (.49) ( 8.84) 253.6( 9.99) 251.2(Diagnostic Port) 11 ( 4.33) 5.1 (.2) 2x 15.4 (.61) For Shaft Configuration See Separate Shaft Installation Drawing Case Drain Left ( 4.5) 12.4 (.49) 2x Ø17.5 (.69) 46 ( 1.81) ( 2.84) 4x Ø14.33 (.564) 5.1 (.2) For Shaft Configuration See Separate Shaft Installation Drawing ( 4.5) 2x Ø17.5 (.69) x Ø14.33 ( 4.58) (.564 ( 7.2 ) ) ( 4.81) 79.2 ( 3.12) (Case Drain) ( 2.84) ( 3.) ( 4.58 (Case ) Drain) 178.3( 7.2) ( 4.81) 79.2 ( 3.12) (Case Drain) ( 2.84) ( 3.) (Case Drain) Ø127. (5.) Ø127. (5.) 264.1(Diagnostic Port) ( 1.4) 264.1(Diagnostic Port) ( 1.4) ( 1.59) ( 1.59) View A A LH Rotation Suction Port 23.8 (9.9) 28 EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217

29 Pump Installation Thru-Drive SAE A Ø82.63 ±.2 (3.253±.1) 7.9 (.31) Groove to Accept an Cap as 568A Size 42 (1/16 X 3 1/4 ID) O-ring UNC-2B 19 (.75) Min 86.4 (3.4) 3x UNC-2A Thru (4.188) (6.8) ( 4.188) For Output Shaft Configuration See Separate Output Shaft Installation Drawing A Thru-Drive Cover Plate Installation 2X 15.5 (.61) (4.188) (4.188) Optional Mounting Position 9.5 (.38) (11.31) 3. (11.81) With Double Shaft Seal Output Shaft Installation 9T Spline Maximum Torque 75 Nm (66 in-lbf) Output Shaft Installation 11T Spline Maximum Torque 119 Nm (156 in-lbf) Ø19.33 (.761) 11 Tooth 3 Flat Root Side Fit 16/32 Class 1 Internal Spine per SAE J498B Accepts 11 Tooth 3 Flat Root Side Fit 16/32 External Splines per SAE J498B Class 1 or ANSI B92.1 Class 5 with 31.8 (1.25) Extension From Mounting Flange Additional Units Driven by This Spline Must Not Require More Than N m (88 Lbf ft) of Torque 31.8 (1.25) (11.31) 3. (11.31) With Double Shaft Seal and C-mount EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March

30 Pump Installation Thru-Drive SAE B Ø11.68±.2 (4.3 ±.1) 1.4 Groove to Accept an (.41) as 568A Size 45 (1/16 X 4 ID) O-ring 4x.5-13 UNC-2B Thru 86.4 [ 3.4] [ 5.75] [ 6.8] [ 5.75] For Output Shaft Configuration See Separate Output Shaft Installation Drawing B Thru-Drive Cover Plate Installation* 2X 2.6 (.81) (5.75) (5.75) * Contact your Eaton Representative for this option. Output Shaft Installation 13T Spline 9.7 (.38) (11.31) 3. (11.81) With Double Shaft Seal and C-mount Output Shaft Installation 15T Spline Maximum Torque 29 Nm (185 in-lbf) Maximum Torque 337 Nm (2987 in-lbf) Ø22.5 (.886) 13 Tooth 3 Flat Root Side Fit 16/32 Class 1 Internal Spline Per SAE J498B Accepts 13 Tooth 3 Flat Root Side Fit 16/32 External Splines Per SAE J498B Class 1 or ANSI B92.1 Class 5 with 41.2 (1.62) Extension From Mounting Flange 41.2 [ 1.62] (11.31) 3. (11.81) With Double Shaft Seal and C-mount Ø25.5 (1.6) 15 Tooth 3 Flat Root Side Fit 16/32 Internal Spline per ASA B Accepts 15 Tooth 3 Flat Root Side Fit 16/32 External Splines per SAE J498B Class 1 or ANSI B92.1 Class 5 with 46 (1.81) Extension From Mounting Flange 46 ( 1.81) (11.31) 3. (11.81) With Double Shaft Seal and C-mount 3 EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217

31 Pump Installation Dual Shaft Seal B-Mount Dual Shaft Seal* 5.7 (.22) C-Mount Dual Shaft Seal* Cross Section of Dual Shaft Seal Assembly Seal Leakage Drain (VHO Filter Optional) * Refer to C-Mount Pump installation drawings for port locations. EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March

32 Control Installation Load Sense and Pressure Compensator Load Sense and Pressure Compensator 92.3 [ 3.63] 74.3 [ 2.93] Load Sense Port 69.9 [ 2.75] [ 5.75] [ 5.19] 18.5 [ 4.27 ] [ 6.79] [6.95] With Double Shaft Seal 32 EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217

33 Control Installation Pressure Compensator Pressure Compensator [ 6.22] 16.2 [4.18] With Double Shaft Seal 93.5 [ 3.68] 71.4 [ 2.81] 13.7 [ 4.8] [ 4.64] EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March

34 Control Installation Torque Control (2.94) Compensator/Control Not Shown For Clarity (5.85) (1.32) 34 EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217

35 Control Installation EH Inverse Proportional Pressure Control (IPPC) 28.1 [8.19] 97.9 [3.85] 81.3 [3.2] 166 [6.54] 17.4 [4.23] AMP CONNECTOR OPTION DEUTSCH CONNECTOR OPTION AMP CONNECTOR DEUTSCH CONNECTOR EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March

36 Control Installation Cold Start Valve 92.2 (3.63) (4.9) (2.92) Load Sense Port (3.8) (2.75) (6.5) (4.7) (5.58) (7.6) (6.79) (6.79) With Double Shaft Seal Housing (6.22) (3.68) With Double Shaft Seal Housing (3.68) (1.79) 12 VDC Flying Lead Coil Shown See Below For Options (3.8) (2.81) (5.39) (4.71) (5.95) Optional Connectors Deutsch Option Metri-pack 28 Option Metri-pack 15 Option 36 EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217

37 External Manual Stroke Adjustment Maximum Stroke Limiter 18 [.71 ] Max Displacement Torque 2±5 Lbf ft After Adjusting Max Displacement Max Displacement is Reduced By Approximately 5 to 6% Per Clockwise Turn 3.5 [.14 ] 25% of Max Displacement Compensator/Control Not Shown For Clarity [ 4.14 ] [ 7. ] 19.6 [ 7.5 ] With Double Seal Housing and C-mount EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March

38 Input Shaft Options 1 Code 2 Code Maximum Torque 29 Nm (185 in-lbf) Maximum Torque 337 Nm (2987 in-lbf) 41.3 (1.62) 24.6 (.97) 3 [.12] 6.31±.4 Key Width ( ) 46 (1.81) 28.6 (1.12) 3 [.12] 6.31±.4 Key Width ( ) ( ) ( ) Ø 22.21±.1 ( ) Ø ( ) 3 Code Code Maximum Torque Maximum Torque 29 Nm 37 Nm (185 in-lbf) (2717 in-lbf) Section A-A 41.3 [ 1.62].969 A UNF-2A Ø (.8558) 13 Tooth 3º Flat Root Side Fit 16/32 Class 5 Spline per ANSI B92.1 (Modified).875 Fits 13 tooth 3º Flat Root Side Fit 16/32 Internal Splines per SAE J498b Class 1 or ANSI B92.1 Class 5 A [63] 125:1 [1.5:12] EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217

39 Input Shaft Options 8 Code 32 Code Maximum Torque 397 Nm (3514 in-lbf) 46 [ 1.81 ] Maximum Torque 64 Nm (566 in-lbf) Ø (.988) 15 Tooth 3º Flat Root Side Fit 16/32 Class 5 Spline per ANSI B92.1 (Modified) Fits 15 tooth 3º Flat Root Side Fit 16/32 Internal Splines per SAE J498B Class 1 or ANSI B92.1 Class 5 Ø (1.2293) 14 Tooth 3 Flat Root Side Fit 12/24 Class 5 Spline per ANSI B92.1 (Modified) Fits 14 Tooth Flat Root Side Fit 12/24 Internal Splines per SAE J498B Class 1 or ANSI B92.1 Class 5 33 Code 34 Code Maximum Torque 45 Nm (398 in-lbf) Maximum Torque 397 Nm (3514 in-lbf) Ø [.988] 15 Tooth 3 Flat Root Side Fit 16/32 Class 5 Spline per ANSI B92.1 (Modified) 1/4-2 UNC-2B 16 (.63) R.632 EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March

40 Input Shaft Options 35 Code 38 Code Maximum Torque 64 Nm (566 in-lbf) Maximum Torque 45 Nm.3125 (398 in-lbf) Section A-A.169 Ø (1.2293) 14 Tooth 3 Flat Root Side Fit 12/24 Class 5 Spline per ANSI B92.1 (Modified) A UNF-2a Fits 14 Tooth Flat Root Side Fit 12/24 Internal Splines per SAE J498B Class 1 or ANSI B92.1 Class A Ø3.99 Thru [.157] [63] 125:1 [1.5:12] 4 EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217

41 Center of Gravity L3 Lt L2 L1 L4 Rear Port Side Port Thru-Drive Length Dual Seal Lcg L3 L4 Lcg L3 L4 Lcg L3 L4 Lt Lds ADU (4.31) 9.6 (.38) 2.9 (.11) (4.51) 9.2 (.36) 2.4 (.1) (5.18) 8.2 (.32) 2.1 (.8) (11.31) 13. (.5) ADU (4.31) 9.6 (.38) 2.9 (.11) (4.51) 9.2 (.36) 2.4 (.1) (5.18) 8.2 (.32) 2.1 (.8) (11.31) 13. (.5) ADU (4.32) 9.4 (.37) 2.9 (.11) (4.52) 9. (.35) 2.4 (.1) (5.17) 8. (.31) 2.1 (.8) (11.31) 13. (.5) ADU (4.32) 9.4 (.37) 2.9 (.11) (4.52) 9. (.35) 2.4 (.1) (5.17) 8. (.31) 2.1 (.8) (11.31) 13. (.5) Dimensions in mm (in) Examples: Calculation L 1 and L 2 Tandem ADU62 Thru-drive with ADU41 Rear Ported L 1 = Lcg L 2 = Lt + Lcg 131.3mm (5.17 inches) 287.3mm mm = 396.9mm (15.6 inches) Tandem Dual Seal ADU49 Thru-drive with ADU49 Side Ported L 1 = Lcg + Lds 131.5mm + 13mm = 144.5mm (5.69 inches) L 2 = Lt + Lds + Lcg 287.3mm + 13mm mm = 415mm (16.34 inches) Tandem Pump Applications Eaton recommends that tandem pump applications be provided with additional support to limit overhung loading of the mounting flange. The thru-drive alternate attachment points on the rear flange may be used with a customer designed support. EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March

42 Installation and Start-up Warning: Care should be taken that mechanical and hydraulic resonances are avoided in the application of the pump. Such resonances can seriously compromise the life and/or safe operation of the pump. Drive Data Mounting attitude should be horizontal using the appropriate case drain ports to ensure that the case remains full of fluid at all times. Consult your local Eaton Representative if a different arrangement is required. In those cases where geometric tolerances of mounting are critical, or where specific tolerance ranges are required and not specified, consult Eaton Engineering for specific limits. Direction of shaft rotation, viewed from the prime mover end, must be as indicated in the model designation on the pump either right hand (clockwise) or left hand (counterclockwise). Direct coaxial drive through a flexible coupling is recommended. If drives imposing radial shaft loads are considered, please consult your Eaton Representative. Start-up Procedure Make sure the reservoir and circuit are clean and free of dirt/debris prior to filling with hydraulic fluid. Fill the reservoir with filtered oil and fill to a level sufficient enough to prevent vortexing at the suction connection to pump inlet. It is good practice to clean the system by flushing and filtering, using an external slave pump. Caution: Before the pump is started, fill the case through the uppermost drain port with hydraulic fluid of the type to be used. The case drain line must be connected directly to the reservoir and must terminate below the oil level. Once the pump is started, it should prime within a few seconds. If the pump does not prime, check to make sure that there are no restrictions between the reservoir and the inlet to the pump, and that the pump is being rotated in the proper direction, and that there are no air leaks in the inlet line and connections. Also check to make sure that trapped air can escape at the pump outlet. After the pump is primed, tighten the loose outlet connections, then operate for five to ten minutes (unloaded) to remove all trapped air from the circuit. If the reservoir has a sight gage, make sure the fluid is clear not milky. Fluid Cleanliness The 42 Series pumps are rated in anti-wear petroleum fluids with a contamination level of 21/18/13 per ISO 446. Operation in fluids with levels more contaminated than this is not recommended. Fluids other than petroleum, severe service cycles, or temperature extremes are cause for adjustment of these codes. Please contact your Eaton Representative for specific duty cycle recommendation. Eaton 42 Series pumps, as with any variable displacement piston pumps, will operate with apparent satisfaction in fluids up to the rating specified here. Experience has shown however, that pump and hydraulic system life is not optimized with high fluid contamination levels (high ISO cleanliness codes). Proper fluid condition is essential for long and satisfac tory life of hydraulic components and systems. Hydraulic fluid must have the correct balance of cleanliness, materials, and additives for protection against wear of components, elevated viscosity and inclusion of air. Essential information on the correct methods for treating hydraulic fluid is included in Eaton publication 561 Eaton Guide to Systemic Contamination Control available from your local Eaton distributor. In this publication, filtration and cleanliness levels for extending the life of axial piston pumps and other system components are listed. Included is an excellent discussion of the selection of products needed to control fluid condition. 42 EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March 217

43 Notes EATON 42 Mobile Piston Pump Technical Manual E-PUPI-TM2-E5 March

44 Eaton Hydraulics Group USA Lone Oak Road Eden Prairie, MN USA Tel: Fax: Eaton Hydraulics Group Europe Route de la Longeraie Morges Switzerland Tel: +41 () Fax: +41 () Eaton Hydraulics Group Asia Pacific Eaton Building 4th Floor, No.3 Lane28 Linhong Rd. Changning District Shanghai 2335 China Tel: (+86 21) Fax: (+86 21) Eaton All Rights Reserved Printed in USA Document No. E-PUPI-TM2-E5 Supersedes E-PUPI-TM2-E4 March 217

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