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Model 70142 / 70144 and 70145

Parts List

Item

Qty. Description

1

1

Drive Shaft

2

1

Backplate Assembly

3

1

Housing Assembly

4

1

Rotating Kit Assembly

5

1

Camplate

6

1

Washer

+ 7

1

Retaining Ring

+ 8

2

Retaining Ring

9

1

Thrust Bearing

10

2

Bearing Race

+ 11

1

Shaft Seal, Drive

+ 12

1

Housing Gasket

13

2

Needle Bearing

+ 14

1

O-ring, 3.175 mm Dia. x 31.75 mm ID. [.125 in. Dia. x 1.25 in. ID.]

15

2

Washer

+ 16

1

Shaft Seal, Trunnion

17

4

Screw, Pan Head

18

2

Spring

19

2

Plug Assembly

+ 19-1

2

O-ring, 2.38 mm Dia. x 22.23 mm ID. [.0937 in. Dia. x .875 in. ID.]

20

1

Relief Valve for Port “C”

21

1

Relief Valve for Port “D”

22

1

Inner Race

23

1

Seal Cover

24

1

Trunnion Cover

25

1

Cover, O-ring

26

2

Dowel Pin

27

2

Cap Screws, 5/16-18, 50.8 mm [2 in.] Long

28

2

Cap Screws, 5/16-18, 63.5 mm [2.5 in.] Long

29

1

Key, Drive Shaft

30

1

Key, Camplate Trunnion

31

1

Cover Plate (In K3 kit)

+ 32

1

O-ring (In K1, K2, K3 & K4 kit)

33

2

Cap Screws, Cover Plate (In K3 kit)

34

1

Plug Assembly

+ 34-1

1

O-ring, 2.21 mm Dia. x 16.36 mm ID. [.087 in. Dia. x .644 in. ID.]

+ 35

1

Molded O-ring

36

1

Charge Pump Adaptor

37

1

Gerotor set and coupler sub-assembly

6.9 cm

3

/r [.42 in

3

/r] displacement, 6.35 mm [.25 in ] width

13.8 cm

3

/r [.84 in

3

/r] displacement, 12.7 mm [.5 in] width

37

1

9 tooth coupler (In K4 kit)

46

1

Mounting Bracket, Square shaped

46

1

Mounting Bracket, “V” shaped

48

1

Valve Plate

Содержание 70142

Страница 1: ...5 Eaton Medium Duty Piston Pump Repair Information Model 70142 70144 20 3 cm3 r 1 24 in3 r Displacement and 70145 23 6 cm3 r 1 44 in3 r Displacement Variable Displacement Piston Pump design code 01 02...

Страница 2: ...ss is 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 t...

Страница 3: ...on Pumps 23 6 cm3 r 1 44 in3 r with Gear Pump A B C D Single Pump Product Number 7 0 1 4 2 R A A 0 1 Required Tools 7 16 in Hex Key Allen 9 16 in End Wrench 1 in End Wrench 9 16 in Socket 1 2 in Socke...

Страница 4: ...assembly for rear pump of tandem Shaft assembly for single pump or front pump of tandem 50 50 1 51 51 1 1 7 7 8 8 8 8 9 10 10 9 10 10 11 11 13 13 14 15 15 16 17 17 22 23 24 25 30 29 48 12 6 Model 7014...

Страница 5: ...7 K4 4 2 1 2 2 26 26 21 20 18 19 19 1 19 19 1 18 2 27A 27B 28A 49 1 49 49 2 49 3 49 4 49 5 37 35 36 49 1 49 49 2 49 3 49 4 49 5 34 34 1 32 K2 1 K2 2 K2 3 32 K3 1 31 K3 2 33 K3 3 K3 K2 32 K4 1 K4 2 K4...

Страница 6: ...for Port C 21 1 Relief Valve for Port D 22 1 Inner Race 23 1 Seal Cover 24 1 Trunnion Cover 25 1 Cover O ring 26 2 Dowel Pin 27 2 Cap Screws 5 16 18 50 8 mm 2 in Long 28 2 Cap Screws 5 16 18 63 5 mm...

Страница 7: ...Dia x 468 in ID Mounting 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...

Страница 8: ...lange End of Housing Figure 1 4 12 Discard the shaft seal gaskets and o rings from all assemblies Replace with new seals upon reassembly Disassembly The following instructions apply to a variable disp...

Страница 9: ...with camplate Check all parts for proper position before proceeding 9 Clamp pump assembly in a protected jaw vise with the open end of the housing up Install gasket and two dowel pins onto housing 10...

Страница 10: ...Gerotor Pocket 2 41 mm 095 in Flange Figure 1 2 Disassembly Charge Pump Adapter Assembly 1 Remove spring retainer spring and poppet from adapter assembly Inspection Inspect the charge pump relief valv...

Страница 11: ...the retaining ring should not be removed without compressing the spring safely The following parts are required to disassemble the piston block 2 ea 5 16 in I D x 15 16 in O D flat washers 1 ea 5 16...

Страница 12: ...ransmission problems Match the transmission symptoms with the problem statements and follow the action steps shown in the box diagrams This will give expedient aid in correcting minor problems elimina...

Страница 13: ...el Defective 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 R...

Страница 14: ...om Operates in One Diection Only Inspect 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 Dump Valve If used Repl...

Страница 15: ...lief Valve OK 11 Inspect Charge Pump 13 Inspect 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 In...

Страница 16: ...nt or broken 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 s...

Страница 17: ...njectors and turn the 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 l...

Страница 18: ...18 18 Model 70142 70144 and 70145 Notes...

Страница 19: ...19 19 Model 70142 70144 and 70145 Notes...

Страница 20: ...Telephone 612 937 9800 Fax 612 937 7130 Hydraulics Division Eaton Ltd Glenrothes Fife Scotland KY7 4NW Telephone 44 592 771 771 Fax 44 592 773 184 Hydraulics Division Order parts from number 6 632 Pa...

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