Eaton 620 Manuel utilisateur

620 Mobile open circuit

Piston pump service manual

ADY074

ADY098

2EATON 620 Mobile Open Circuit Piston Pump Service Manual E-PUPI-TS018-E2 November 2017

3EATON 620 Mobile Open Circuit Piston Pump Service Manual E-PUPI-TS018-E2 November 2017

Table of Contents

Contents

SERVICE PARTS

Parts identification ....................................................................................04

Exploded assembly ...................................................................................06

Optional assembly....................................................................................07

Typical cross section .................................................................................10

Housing ............................................................................................11

Shaft seal and Swashplate .............................................................................12

Shaft, drive and Key...................................................................................13

Rotating group S/A and Valve plate .......................................................................14

Bearing assembly and End cover S/A .....................................................................15

Control piston and Plug adjustable volume stop.............................................................16

Plugs and Compensator kits - factory set ..................................................................17

Compensator mounting screws and Coupler ...............................................................18

Thru drive adapter kit and Cold start manifold (Destroke) .....................................................19

Cover and Hex head cap screw..........................................................................20

Torque control S/A and Electronic displacement control S/A ...................................................21

REPAIR

620 Mobile piston pump repair ..........................................................................22

General information ..................................................................................23

Required tools ......................................................................................23

Special tools ........................................................................................23

Disassembly ........................................................................................24

Inspection, repair and part replacement ..................................................................29

Shimming process....................................................................................31

Assembly ..........................................................................................32

Testing ............................................................................................36

Assembly torque values ...............................................................................37

4EATON 620 Mobile Open Circuit Piston Pump Service Manual E-PUPI-TS018-E2 November 2017

Part identification

Standard seal kit: 9900758-000

Adjustable maximum displacement volume stop kit: 9900772-000

Item Part number Quantity Description Page number

1 See table 1 1 Housing 11

2 See table 2 1 Seal, shaft 12

3 101680-225 1 Ring, retaining, internal (Seal, shaft) 06

4 6021805-001 1 Bearing assembly, shaft (front) 06

5 5989757-001 1 Spring, bias 06

6 6021043-001 2 Bearing, swashplate / bearing kit 9900761-000 06

7 114995-010 2 Screw, cap, socket / bearing kit 9900761-000 06

8 See table 3 1 Swashplate 12

9 See table 4 1 Shaft, drive and key 13

10 See table 4 1 Key, driveshaft 13

11 See table 5 1 Rotating group S/A 14

12 See table 6 1 Plate valve 14

13 See table 7 1 Bearing assembly, shaft (rear) 15

14 Not Saleable 1 Ring, crush / bearing shim kit 9900776-000 06

15 96201-062 2 Slotted spring pin 1/4 06

16 6026023-001 1 Gasket (endcover/ housing) 06

17 See table 7 1 End cover S/A 15

18 114978-050 4 Screw, cap (housing/ endcover) 06

19 See table 9 1 Piston, control 16

20 See table 10 1 Plug, adjustable volume stop 16

21 See table 11 1 Plug (top case drain port) 17

22 See table 11 1 Plug (bottom case drain port) 06

23 115046-004 1 Plug (housing) 06

24 107275-017 1 O-ring (compensator/housing) 06

25 107275-011 2 O-ring (secondary compensator/housing) 19

26 See table 12 1 Compensator kits 17

27 See table 13 4 Screw, cap (compensator mounting) 18

28 See table 14 1 Coupler 18

29 104166-155 1 O-ring (end cover to aux mount) / thru drive adapter kit) 19

30 See table 15 1 Adapter, thru drive / thru drive adapter kit 19

31 See table 14 1 O-ring adapter / thru drive adapter kit 19

32 See table 14 4 Bolts / Thru drive adapter kit 19

33 See table 16 1 Cold start manifold (Destroke) 19

34 107275-011 3 O-ring (Destroke) 19

35 6022841-001 1 Link, feedback 38

5EATON 620 Mobile Open Circuit Piston Pump Service Manual E-PUPI-TS018-E2 November 2017

Part identification

standard seal kit: 9900758-000

adjustable maximum displacement volume stop kit: 9900772-000

Item Part number Quantity Description Page number

40 6024371-002 1 Feedback sensor, Non-contact 38

41 5996053-002 2 Screw, button head cap (sensor mount) 38

45 4993571-325 1 Adjustable stop screw 09

46 692867 1 Lock nut 09

47 115044-014 1 O-ring 09

48 See table 17 1 Cover 20

49 See table 18 2 Hex head cap screw 20

50 6026587-001 1 Cover plate sealing / Cover plate kit 9900782-000 37

51 6026902-001 1 Gasket, cover plate/ cover plate kit 9900782-000 37

52 114977-020 4 Screw, cap / cover plate kit 9900782-000 37

61 6033285-001 1 Assembly/ Torque control S/A 21

62 107275-013 1 O-ring 07

63 See table 19 1 Control S/A, Electronic displacement control S/A 21

64 6040933-001 1 Spring feedback 08

65 473712 1 Screw, Hex socket 08

66 6035825-012 1 Coil, solenoid, 12V 08

67 6041646-001 1 Check valve S/A 08

6EATON 620 Mobile Open Circuit Piston Pump Service Manual E-PUPI-TS018-E2 November 2017

Exploded assembly

Steel side of valve plate

must face End cover

Assembly with

longer segment

toward top of pump

7EATON 620 Mobile Open Circuit Piston Pump Service Manual E-PUPI-TS018-E2 November 2017

Optional assembly

Torque control option

4 X Torque 8.2 ± 0.8 Nm

Torque

161 ± 16.0 Nm

8EATON 620 Mobile Open Circuit Piston Pump Service Manual E-PUPI-TS018-E2 November 2017

23 25

4 X Torque

8.2 ± 0.8 Nm 4 X Torque

4.0 ± 0.4 Nm

Optional assembly

Electronic displacement control option

9EATON 620 Mobile Open Circuit Piston Pump Service Manual E-PUPI-TS018-E2 November 2017

49 31

4 X Torque

30 ± 5.4 Nm

Torque

115± 12 Nm

Optional assembly

4 X Torque

161 ± 16.0 Nm

4 X Torque

27 ± 2.7 Nm

Adjustable maximum stop option

Thru-drive part option

10 EATON 620 Mobile Open Circuit Piston Pump Service Manual E-PUPI-TS018-E2 November 2017

Typical cross section

Side view

Ce manuel convient aux modèles suivants

Table des matières

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