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37

EATON

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

Assembly torque values

Instructions

Assembly with longer

segment toward

top of pump

4X Torque

286 ± 29 N.m

Torque

118.5 ± 12 N.m

2X Torque

4± 0.4 N.m

4X Torque

115± 12 N.m

Torque

135 ± 13.5 N.m

Steel side of valve plate

must face End cover

27

26

20

21

24
25

19

3

2

22

1

4

6

7

8

9

5

11

12

13

16

14

15

17

18

29

51

50

52

23

4X Torque

8.2 ± 0.8 N.m

Torque

135 ± 13.5 N.m

Torque

15.5 ± 0.5 N.m

48

29

28

17

18

30

32

49

31

4 X Torque

30 ± 5.4 Nm

Torque

115± 12 Nm

Thru-drive part option

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Содержание 620

Страница 1: ...620 Mobile open circuit Piston pump service manual ADY074 ADY098...

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

Страница 3: ...ly 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 man...

Страница 4: ...ing 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 endco...

Страница 5: ...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...

Страница 6: ...ton 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...

Страница 7: ...EATON 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 2...

Страница 8: ...ile 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...

Страница 9: ...mp 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 ma...

Страница 10: ...10 EATON 620 Mobile Open Circuit Piston Pump Service Manual E PUPI TS018 E2 November 2017 Typical cross section Side view...

Страница 11: ...0 1 3 00 AA AD AG AV 6023256 001 Housing 05 06 07 08 10 16 3 4 AA AB AC AD AF AW 0 1 3 00 AA AD AG AV 6023256 002 Housing metric 05 07 3 AJ 1 3 00 6036567 002 Housing metric 05 06 07 08 10 16 1 2 AJ...

Страница 12: ...Table 2 Shaft seal Item 2 Code position 28 Part number Description 1 2 589332 Seal shaft fluorocarbon 3 998643 Seal shaft nitrile Table 3 Swashplate Item 8 Code position 29 30 Part number Description...

Страница 13: ...074 08 not 00 6025209 003 Shaft drive input 17 tooth 62 ext thru drive 098 05 00 4992730 004 4999808 001 Shaft drive 1 25 straight key 56 ext 098 05 not 00 4992730 004 4999809 001 Shaft drive 1 25 str...

Страница 14: ...on 4 5 6 29 30 Part number Description 074 00 AA AB AD AE AF AG AH AV 6029085 001 Rotating group S A 74cc 098 00 AA AB AC AD AE AF AG AH AV 6021400 001 Rotating group S A 98cc Table 6 Valve plate item...

Страница 15: ...033171 001 End cover S A rear port 74 cc 074 R AG 2 00 6033171 002 End cover S A rear port 74 cc 098 L R AB 1 00 6023848 001 End cover S A side port 98 cc diag ports 098 L R AB 1 Not 00 6023824 001 En...

Страница 16: ...in displacement setting 10 AJ AH AH AV 6033954 012 Control piston Min displacement setting 12 AJ AH AF 6033954 020 Control piston Min displacement setting 20 AT AY AB 6039060 003 Control piston Plug a...

Страница 17: ...3000 3100 lbf in2 23 23 10 25 17 bar 335 365 lbf in2 00 9901219 001 AA 32 226 5 233 4 bar 3285 3385 lbf in2 16 13 79 16 55 bar 200 240 lbf in2 00 9901219 002 AA 27 199 9 206 8 bar 2900 3000 lbf in2 2...

Страница 18: ...AE 6028263 005 Coupler 14 tooth 074 AF 6028263 006 Coupler 17 tooth 098 AA 4999426 001 Coupler 9 tooth 098 AB 4999427 001 Coupler 11 tooth 098 AC 6024980 001 Coupler 13 tooth 098 AD 6024112 001 Couple...

Страница 19: ...5 114977 050 SAE B pad adapter 15T 74 cc 074 AE AF 9900774 004 104166 155 4999353 001 8761 159 114977 055 SAE C pad adapter 74 cc 074 AC 9900774 006 104166 155 4999351 001 8761 155 114977 025 SAE adap...

Страница 20: ...Table 18 Table 17 Cover Item 48 Code position 26 27 29 30 Part number Description AC AD AA 110011 000 Cover B pad AA AB AA 70142 600 Cover A pad AE AA 4998392 001 Cover C pad Table 18 Hex head cap scr...

Страница 21: ...Electronic displacement control S A Item 63 Table 20 Table 19 Torque control S A Item 61 Code position 14 15 Part number Description AJ AH 6033285 001 Assembly torque control Table 20 Electronic displ...

Страница 22: ...22 EATON 620 Mobile Open Circuit Piston Pump Service Manual E PUPI TS018 E2 November 2017 620 Mobile piston pump repair Cut section...

Страница 23: ...technicians with specialized knowledge of mechanical and hydraulic compo nent assembly and disassembly Replacement parts Ball peen hammer Plastic tip hammer Flat tip screw driver Snap ring pliers Tor...

Страница 24: ...All parts within the unit must be kept clean during the overhaul process Handle each part with great care marking as necessary to ensure proper reassembly The close tolerance of the parts make this r...

Страница 25: ...red Note The Crush Ring located under the bearing cup in the end cover does not need to be removed The only time the crush ring needs to be removed is when the front or rear shaft tapered roller beari...

Страница 26: ...I TS018 E2 November 2017 Disassembly 10 Remove rotating group Note Carefully remove the rotating group 12 Remove swash locator 11 Remove shaft 13 Remove control piston Note The open end of the control...

Страница 27: ...2 November 2017 Disassembly 15 Remove swashplate 16 Remove Bias Spring 17 Remove bearing 18 Remove cradle bearings screws and discard Caution Socket head cap screws are easily damaged during repair wi...

Страница 28: ...28 EATON 620 Mobile Open Circuit Piston Pump Service Manual E PUPI TS018 E2 November 2017 Disassembly 19 Remove cradle bearings 20 Remove front bearing race 21 Remove snap ring shaft seal and discard...

Страница 29: ...nding can be tolerated If binding occurs clean the cylinder block and pistons Lubricate the cylinder block bores with clean oil and try again Even minor contamination of the fluid may cause a piston t...

Страница 30: ...freely in the bore 3 Inspect housing mounting flange for nicks and burrs Remove minor nicks and burrs with an India stone Also check the hous ing for damaged or stripped threads If any thread is dama...

Страница 31: ...rush ring 2 To obtain a starting point stack shims to a few thousandth of an inch less than the measurement of existing crush ring Then insert shims in to the housing in the same location as the remov...

Страница 32: ...g rings lightly with an acid free lubricant and to hold the O ring in place in its groove or cavity 1 Install snap ring and shaft seal Note Press shaft seal inside till the face of the seal exactly ma...

Страница 33: ...vember 2017 Assembly 6 Install Bias Spring Note With the Bias Spring in place tilt the swashplate toward the spring and install the swashplate Ensure that Bias Spring is engaged 5 Install Bearing 7 In...

Страница 34: ...ng Caution Use care while inserting shaft end through shaft seal 10 Install swashplate locator tool and adjust Note Carefully install Rotating Group Ensure shaft is engaged with bearing race while ins...

Страница 35: ...ly coat the steel side of the valve plate with petroleum jelly for retention during assembly Install the valveplate over the bearing race aligning the small slot on the outside of the valveplate with...

Страница 36: ...ool and hold down plug Install control piston plug assembly 17 Install compensator 16 Install end cover and cap sleeve Note Ensure correct orientation Use caution so that valve plate does not fall off...

Страница 37: ...Torque 286 29 N m Torque 118 5 12 N m 2X Torque 4 0 4 N m 4X Torque 115 12 N m Torque 135 13 5 N m Steel side of valve plate must face End cover 27 26 20 21 24 25 19 3 2 22 1 4 6 7 8 9 5 11 12 13 16...

Страница 38: ...2017 Cold start manifold Destroke Feedback sensor option 41 40 37 36 35 Torque 3 0 0 2 Nm Torque 3 0 0 2 Nm Torque 4 0 0 4 Nm Assembly torque values Instructions 27 26 25 24 33 34 Torque 8 2 0 8 Nm 47...

Страница 39: ...PUPI TS018 E2 November 2017 2 1 3 Torque 24 5 2 5 Nm Torque 15 0 1 5 Nm 2 4 6 5 7 Torque 24 5 2 5 Nm Press to bottom of hole split to be on this AZIS within 5 Install seat flushed to 25 recessed 3 Tor...

Страница 40: ...irie MN 55344 USA Tel 952 937 9800 Fax 952 294 7722 www eaton com hydraulics Eaton Hydraulics Business Europe Route de la Longeraie 7 1110 Morges Switzerland Tel 41 0 21 811 4600 Fax 41 0 21 811 4601...

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