Eaton 70360 Parts And Repair Information Download | Manualshive

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Summary of Contents for 70360

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Page 2: ...on Medium Duty Piston Pump Model 70360 Variable Displacement Piston Pump 40 6 cm3 r 2 48 in3 r or 49 2 cm3 r 3 00 in3 r Displacements Manual Controlled Parts and Repair Information No 6 637 January 19...

Page 3: ...should be followed to insure successful repairs Remove the pump from the application Cleanliness is extremely important Clean the port areas thoroughly before disconnecting the hydraulic lines Plug th...

Page 4: ...Tandem Piston Pumps 78363 Tandem Piston Pumps with Gear Pump B Sequential Numbering Single Pump Product Number 7 0 3 6 0 R A A Tandem Pumps Product Number 7 8 3 6 3 R A B A A B B Tools Required 9 16 7...

Page 5: ...f a righthand rotation pump 24 1 28 14 3 12 14 10 1 12 1 10 2 10 6 6 11 11 9 44 20 41 5 16 17 16 5 4 27 Shaft assembly for rear pump of tandem 27 32 24 54 54 1 53 Port D2 Port D2 53 1 20 5 16 17 4 16...

Page 6: ...ional backplates K2 1 K2 2 K2 3 K1 1 K1 2 K1 3 K3 2 K3 1 K3 3 Port A Port C1 Port C1 Port S Port C2 Port B Port A Port B 26 25 2 15 2 25 25 3 3 25 3b 22 7 8 1 8 23 7 8 1 8 38 30 31 39 29 18 19 61 40 2...

Page 7: ...1 Shaft Seal Drive fluorocarbon rubber 20 70400 620 1 Spacer Used in rear pump of tandem in place of drive shaft seal 22 1 Relief Valve for Port A Identification drawing on page 9 23 1 Relief Valve f...

Page 8: ...ring 2 20 mm Dia x 16 35 mm ID 087 in Dia x 644 in ID Mounting Kits K1 70342 905 1 Tandem Piston Pump Mounting Kit K1 1 70411 622 1 41T Coupler 33 02 mm 1 3 in long K1 2 16007 17 1 O ring 1 59 mm Dia...

Page 9: ...16032 616 Rear A Flange without Gerotor Opposite Side Porting Item 18 and 19 Cap Screw Locations Item Part No Qty Description 9 70300 603 1 Rotating Kit Assy 2 48 in3 r 70400 703 1 Rotating Kit Assy 3...

Page 10: ...ternal Relief Valve Settings Available Part Number bar PSI 32060 LA 138 2000 32060 QA 172 2500 32060 UA 207 3000 32060 WA 241 3500 32060 ZA 276 4000 32060 XA 310 4500 32060 IA 345 5000 70111 518 Seat...

Page 11: ...rtical 70360 411 C1 C4 Item 25 3a Item 25 Backplate Assembly Identification Item 25 Parts List Refer to Identification chart and drawings Item Part No Qty Description 25 See Chart Below Backplate Asse...

Page 12: ...ort C4 25 3 Port C1 25 3a 25 3b 25 3b 25 e Rear B Mount Horizontal Same Side Porting 25 a Accepts Gerotor Charge Pump Adapter 25 c Rear A Mount Same Side Porting 25 3 3 25 3b 25 3 25 3 1 25 3 2 25 3 3...

Page 13: ...50 PSI Charge Relief Valve 29 Configuration for 13 8 to 17 2 bar 200 to 250 PSI or 17 2 to 20 7 bar 250 to 300 PSI Charge Relief Valve Charge Pump Suction Port Pressure Check Port or Remote Charge Por...

Page 14: ...B 1 Spring Tapered 29 4 70400 505 1 Spring Retainer 13 8 to 17 2 bar 200 to 250 PSI Charge Relief Setting Item Part No Qty Description Rotation Displacement 29 70440 388 1 Assembly Charge Pump Adapter...

Page 15: ...41 Tooth 9 Tooth Internal 9 Tooth Internal 9 Tooth Internal 9 Tooth Internal 70442 228 15 Tooth 70442 299 41 Tooth 70442 229 41 Tooth 70442 202 15 Tooth or 70442 209 13 Tooth 70442 248 15 Tooth or 70...

Page 16: ...or high pressure type The 6 9 to 10 3 bar 100 to 150 PSI standard spring and poppet are shown on the bottom and the optional high pressure 13 7 to 20 7 bar 200 to 300 PSI spring and poppet is shown on...

Page 17: ...rectional rotation CW or CCW is identified by the location of the metering slots located on the face of the valve plates Pump input rotation should always turn into the metering slots See Figure 20 A...

Page 18: ...r lose these shims Note These shims may vary in thickness and are used to adjust camplate end play 35 Reposition the pump assembly to remove opposite cover plate Repeat steps 31 through 33 36 Use an o...

Page 19: ...of the camplate See Figure 42 9 Lubricate and install the control arm shaft seal into the control arm trunnion cover Install with the lip of the seal facing upward or to the inside of the pump See Fig...

Page 20: ...ligning it with the dowel pins located in the pump housing Use caution not to dislodge the valve plate See Figure 55 25 Lightly coat the charge pump assemblies drive key with petroleum jelly and insta...

Page 21: ...symptoms with the problem statements and follow the action steps shown in the box diagrams This will give help in correcting minor problems eliminating unnecessary machine down time Following the fau...

Page 22: ...Below Level Repair or Replace Check System Pressure Reduce System Load High OK 9 Inspect Charge Relief Valve OK 11 Inspect Charge Pump 13 Inspect Motor 12 Inspect Inlet Screen or Filter Replace Clogge...

Page 23: ...Servo Control If used OK OK OK 2 7 Defective Repair or Replace Inspect Motor 12 Replace Clogged Check Charge Pressure 10 Low OK Inspect Pump Bypass Valve If used Replace Pump Motor Defective Repair or...

Page 24: ...spect Motor 12 Inspect Inlet Screen or Filter Replace Clogged OK 8 Check Charge Pressure 10 Low OK OK Replace Pump Motor Inspect Servo Control If used OK 2 Inspect Pump Bypass Valve If used OK Defecti...

Page 25: ...outlet c open inlet to charge pump 9 Check System Pressure a See figure 3 1 for location of pressure gauge installation b consult owner operators manual for maximum system relief valve settings 10 Ch...

Page 26: ...ne over for 15 seconds 5 Replace the coil wire or return the fuel flow to the injectors Place the transmission unit in the neutral position start the engine and run it at a low idle The charge pump sh...

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