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Eaton 70160, Руководство пользователя, Страница: 17 / 20

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Model 70160

Diagram Action Step Comments

1

Inspect External Control Linkage for:
a. misadjustment or disconnection
b. binding, bending or breakage
c. misadjusted, damaged or broken neutral return spring

2

Inspect Servo Control Valve for: (if used)
a. proper inlet pressure
b. misadjusted, damaged or broken neutral return spring
c. galled or stuck control spool
d. galled or stuck servo piston

3

Inspect System Relief Valves* for:
a. improper pressure relief setting
b. damaged or broken spring
c. valve held off seat
d. damaged valve seat

4

Check Oil Level in Reservoir:
a. consult owner/operators manual for the proper type

fluid and level

5

Inspect Heat Exchanger for:
a. obstructed air flow (air cooled)
b. obstructed water flow (water cooled)
c. improper plumbing (inlet to outlet)
d. obstructed fluid flow

6

Inspect Heat Exchanger Bypass Valve for:  (if used)
a. improper pressure adjustment
b. stuck or broken valve

7

Inspect Pump Bypass Valve for: (if used)
a. held in a partial or full open position

8

Inspect Inlet Screen or Filter for:
a. plugged or clogged screen or filter element
b. obstructed inlet or outlet
c. open inlet to charge pump

9

Check System Pressure:
a. See figure 60 for location of pressure gauge installation.
b. consult owner/operators manual for maximum system

relief valve settings

10 Check Charge Pressure:

a. See figure 60 for location of pressure gauge installation.
b. consult owner/operators manual for maximum charge

relief valve settings

11 Inspect Charge Relief Valve for:

a. improper charge relief pressure setting *
b. damaged or broken spring
c. poppet valve held off seat

12 Inspect Motor for:

a. disconnected coupling

13 Inspect Charge Pump for:

a. broken or missing drive key
b. damaged or missing o-ring
c. excessive gerotor clearance
d. galled or broken gerotor set

* System/Charge Relief Valve Pressure Settings for Eaton’s

Variable Displacement Controlled Piston Pumps

Inlet Vacuum

6 inHg max.

Case Pressure

25 PSI maximum

Charge Pressure

100 to 150 PSI Standard
200 to 250 PSI Optional
250 to 300 PSI Optional

System Pressure

5000 PSI maximum
3000 PSI continuous

The high pressure relief valves are all factory preset and
cannot be readjusted.

The pressure setting and assembly number is stamped on
each high pressure relief valve cartridge.

Valve Identification Example:

32060-IA

5000

Relief Valve Setting

        Relief Valve Assembly Number

Fault - Logic Troubleshooting

Содержание 70160

Страница 1: ......

Страница 2: ...extremely important Clean the port areas thoroughly before disconnecting the hydraulic lines Plug the pump ports and cover the open hydraulic lines immediately after they re disconnected Drain the oil...

Страница 3: ...0 Single Piston Pump 78162 Single Piston Pump with Gear Pump 78161 Tandem Piston Pumps 78163 Tandem Piston Pumps with Gear Pump B Sequential Numbering C Engineering Design Code A A B B Tools Required...

Страница 4: ...Press Fit 6 5 4 1 Shaft assembly for rear pump of tandem Shaft assembly for single pump or front pump of tandem 1 7 7 8 8 8 8 9 10 10 9 10 10 11 11 29 48 12 24 41 16 Press Fit 23 17 17 14 3 50 50 1 51...

Страница 5: ...8 27 27 28 28 37 37 K4 4 2 1 2 2 26 26 21 20 18 19 19 1 19 19 1 18 2 27A 27B 28A 55 1 49 55 2 55 3 55 4 49 1 55 55 5 37 35 36 55 1 55 55 2 55 3 55 4 55 5 49 49 1 34 34 1 32 K2 1 K2 2 K2 3 32 K3 1 31 K...

Страница 6: ...2 Cap Screws 5 16 18 50 8 mm 2 in Long 27A 2 Cap Screws 5 16 18 82 6 mm 3 25 in Long 27B 2 Cap Screws 5 16 18 88 9 mm 3 5 in Long 28 2 Cap Screws 5 16 18 63 5 mm 2 5 in Long 28A 2 Cap Screws 5 16 18...

Страница 7: ...Kits K1 1 Tandem Piston Pump Mounting Kit K1 1 1 35T Coupler 36 8 mm 1 45 in long K1 2 1 O ring 1 59 mm Dia x 101 6 mm ID 0625 in Dia x 4 in ID K1 3 2 Cap Screws K1 4 2 Washer K2 1 Gear Pump Mounting...

Страница 8: ...0 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 the top The same charge pressure relief valve spri...

Страница 9: ...over assembly that was previously removed 22 Valveplate directional rotation CW or CCW is identified by the location of the metering slots located on the face of the valve plates Pump input rotation s...

Страница 10: ...osite cover plate The bearing cup in this cover plate is press fit and not removable Repeat steps 30 through 31 33 To remove swashplate first use a small press and press the drive shaft needle bearing...

Страница 11: ...See Parts Information manual for number 8 Place the bearing cup into trunnion cover over the crush ring or shims see Figure 40 9 Lubricate and install the o ring seal into counter bore of housing see...

Страница 12: ...24 Carefully install the endcover assembly by aligning it with the dowel pins located in the pump housing Use caution not to dislodge the valve plate see Figure 54 25 Align the spline of the gerotor...

Страница 13: ...th the problem statements and follow the action steps shown in the box diagrams This will provide help in correcting minor problems eliminating unnecessary machine down time Following the fault logic...

Страница 14: ...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...

Страница 15: ...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...

Страница 16: ...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...

Страница 17: ...r outlet c open inlet to charge pump 9 Check System Pressure a See figure 60 for location of pressure gauge installation b consult owner operators manual for maximum system relief valve settings 10 Ch...

Страница 18: ...engine 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 pum...

Страница 19: ...19 Model 70160...

Страница 20: ......

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