Eaton 620 Manual de usuario
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
11
12
13
16
14
15
17
18
6
19
20
9
8
5
7
4
1
2
22
3
23
21
25
24
26
27
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
23
61
25
24
27
26
4 X Torque 8.2 ± 0.8 Nm
62
19
20
Torque
161 ± 16.0 Nm
23
27
8EATON 620 Mobile Open Circuit Piston Pump Service Manual E-PUPI-TS018-E2 November 2017
67
23 25
24
23
26
27
19
1
64
63
65
66
23
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
48
29
28
17
18
30
32
49 31
4 X Torque
30 ± 5.4 Nm
Torque
115± 12 Nm
Optional assembly
47
20
45
4 X Torque
161 ± 16.0 Nm
4 X Torque
27 ± 2.7 Nm
46
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
Este manual sirve para los siguientes modelos
2
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