2. Shutdown SIS
Previous Screen
Product: WHEELED EXCAVATOR
Model: M313C WHEELED EXCAVATOR BDR
Configuration: M313C Excavator BDR02001-UP (MACHINE) POWERED BY 3054E Engine
Disassembly and Assembly
M313C Excavator Machine Systems
Media Number -RENR9201-02 Publication Date -01/02/2009 Date Updated -12/02/2009
i02534307
Piston Pump (Swing) - Remove
SMCS - 5070-011-ZW
Removal Procedure
Start By:
A. Remove the muffler. Refer to Disassembly and Assembly, "Muffler - Remove and Install".
B. Remove the gear pump. Refer to Disassembly and Assembly, "Gear Pump (Fan Drive) -
Remove and Install".
1. Drain the hydraulic tank. Refer to Operation and Maintenance Manual, "Hydraulic System
Oil - Change".
Illustration 1 g01267768
2. Remove bolts (1) and (2) .
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4. 6. Disconnect hose assembly (6) .
7. Disconnect hose assemblies (7) .
Illustration 5 g00995958
8. Disconnect hose assembly (9) and hose assembly (10) from piston pump (8) .
Illustration 6 g00995959
9. Attach a suitable lifting device to piston pump (8) .
10. Remove bolts (11) .
11. Remove piston pump (8) from main pump housing (12). The weight of the piston pump is
approximately 54 kg (120 lb).
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5. Illustration 7 g00995960
12. Remove drive coupling (13) from piston pump (8) .
Illustration 8 g00995961
13. Remove O-ring seal (14) .
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
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Mon Apr 20 21:46:18 UTC+0800 2020
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6. Shutdown SIS
Previous Screen
Product: WHEELED EXCAVATOR
Model: M313C WHEELED EXCAVATOR BDR
Configuration: M313C Excavator BDR02001-UP (MACHINE) POWERED BY 3054E Engine
Disassembly and Assembly
M313C Excavator Machine Systems
Media Number -RENR9201-02 Publication Date -01/02/2009 Date Updated -12/02/2009
i05443992
Piston Pump (Swing) - Disassemble
SMCS - 5070-015-ZW
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-1862 Pliers 1
B 1P-1861 Retaining Ring Pliers 1
C 147-3497 Spring Compressor 1
D 1U-7600 Slide Hammer Puller Gp 1
E 5P-4758 Retaining Ring Pliers 1
F 1P-1863 Retaining Ring Pliers 1
Start By:
A. Remove the steering pump. Refer to Disassembly and Assembly, "Steering Pump -
Remove".
Personal injury can result from hydraulic oil pressure and hot oil.
Hydraulic oil pressure can remain in the hydraulic system after the
engine has been stopped. Serious injury can be caused if this pressure is
not released before any service is done on the hydraulic system.
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7. Make sure all of the work tools have been lowered to the ground, and
the oil is cool before removing any components or lines. Remove the oil
filler cap only when the engine is stopped, and the filler cap is cool
enough to touch with your bare hand.
NOTICE
Care must be taken to ensure that fluids are contained during
performance of inspection, maintenance, testing, adjusting, and repair
of the product. Be prepared to collect the fluid with suitable containers
before opening any compartment or disassembling any component
containing fluids.
Refer to Special Publication, NENG2500, "Dealer Service Tool
Catalog" for tools and supplies suitable to collect and contain fluids on
Cat products.
Dispose of all fluids according to local regulations and mandates.
Note: Cleanliness is an important factor. Before the disassembly procedure, the exterior of the
component should be thoroughly cleaned. This will help to prevent dirt from entering the internal
mechanism.
Illustration 1 g00914082
1. Remove bolts (2) and (3) from servo valve (1) .
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8. 2. Remove servo valve (1) from housing (4) .
Illustration 2 g00914084
3. Remove bolts (5) from charge pump (6) .
Note: Mark all parts for installation purposes.
4. Remove charge pump (6) from housing (4) .
Illustration 3 g00914085
Note: Mark all parts for installation purposes.
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9. 5. Remove gears (7) and (8) from charge pump (6) .
Illustration 4 g00914087
6. Remove coupler (9) from head (10) .
Note: Mark all parts for installation purposes.
7. Remove plate (11) from head (10) .
8. Remove bolts (12) from head (10) .
Illustration 5 g00914091
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10. 9. Remove head (10) from housing (4) .
Illustration 6 g00914100
Note: Mark the proper orientation of port plate (13) for installation purposes.
10. Remove O-ring seal (14) from head (10) .
11. Remove port plate (13) from head (10) .
Illustration 7 g00914101
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11. Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
12. Remove test ports (15) from head (10) .
13. Remove relief valve (16) from head (10) .
Illustration 8 g00914104
14. Remove O-ring seal (17) from relief valve (16) .
15. Remove retainer (18) from relief valve (16) .
16. Remove spring (19) from head (10) .
17. Remove retainer (20) from head (10) .
18. Remove spool (21) from head (10) .
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12. Illustration 9 g00914306
Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
19. Remove relief valves (22) from head (10) .
20. Remove O-ring seal (24) from relief valve (22) .
21. Remove backup ring (23) from relief valve (22) .
Illustration 10 g00914599
22. Put the swing pump in a suitable press, as shown. Mark the position of adjustment screw
(25) in the pump housing. Loosen nut (26) . Install a large socket to the barrel assembly, as
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13. shown. Compress the barrel assembly in order to allow the removal of adjustment screw
(25) . Remove the adjustment screw from the pump housing. Release the compression on
the barrel assembly.
Illustration 11 g00914600
23. Carefully remove barrel assembly (27) from the pump housing.
Illustration 12 g00914602
Note: Mark the location of pistons (28) for assembly purposes.
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14. 24. Remove pistons (28) from retainer plate (29) .
Illustration 13 g00914603
25. Remove ball joint (30) from barrel assembly (27) .
Illustration 14 g00914604
26. Remove spring assembly (31) and shim (32) from barrel assembly (27) .
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15. Illustration 15 g00914607
Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
27. Use Tooling (B) and a suitable press in order to remove retaining ring (33) from barrel
assembly (27) .
Illustration 16 g00914609
28. Remove washers (34) and spring (35) from barrel assembly (27) .
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16. Illustration 17 g00914610
29. Remove plug assembly (36) and joint pin (37) .
Illustration 18 g00914614
30. Remove swashplate assembly (38) .
Illustration 19 g00914615
31. Remove slide (39) , two rods (40) , and two bearings (41) .
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17. Illustration 20 g00914616
32. Remove two races (42) .
Illustration 21 g00914626
33. Use Tooling (E) in order to remove retaining ring (43) from housing (4) .
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18. Illustration 22 g00914628
Note: Use Tooling (D) for removal of seal (44) .
34. Remove seal (44) from housing (4) .
Illustration 23 g00914629
35. Use Tooling (E) in order to remove retaining ring (45) from housing (4) .
36. Remove shaft assembly (46) and O-ring seal (47) from housing (4) .
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19. Illustration 24 g00914638
37. Use Tooling (F) in order to remove retaining ring (48) from shaft assembly (46) .
38. Remove bearing (49) from shaft assembly (46) .
Illustration 25 g00914643
39. Remove bolts (50) and cover (51) .
Illustration 26 g00914644
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20. 40. Remove O-ring seal (52) from cover (51) .
Illustration 27 g00914646
41. Remove bolts (53) from cover (54) .
Illustration 28 g00914648
42. Remove cover (54) and piston assembly (55) , as shown. Remove O-ring seal (56) from
cover (54) .
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21. Illustration 29 g00914675
Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
43. Use Tooling (A) and a suitable press in order to remove retaining ring (57) .
Illustration 30 g00914676
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22. Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
44. Use Tooling (C) and a suitable press in order to remove ring assembly (58) .
Illustration 31 g00914677
45. Remove spring retainer (59) . Remove springs (60) , (61) , and (62) . Remove spring
retainer (63) .
Illustration 32 g00914678
Note: Measure nut (64) for installation.
46. Remove nut (64) and cover (54) .
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23. Illustration 33 g00914680
Personal injury can result from being struck by parts propelled by a
released spring force.
Make sure to wear all necessary protective equipment.
Follow the recommended procedure and use all recommended tooling to
release the spring force.
47. Use Tooling (A) and a suitable press in order to remove retaining ring (65) .
Illustration 34 g00914681
48. Remove O-ring seal (66) and keepers (67) . Remove spring retainer (68) . Remove springs
(69) , (70) , and (72) . Remove spring retainer (71) and rod (73) .
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24. Illustration 35 g00914683
49. Remove guide ring (74) and ring (75) .
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Mon Apr 20 21:47:21 UTC+0800 2020
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25. Shutdown SIS
Previous Screen
Product: WHEELED EXCAVATOR
Model: M313C WHEELED EXCAVATOR BDR
Configuration: M313C Excavator BDR02001-UP (MACHINE) POWERED BY 3054E Engine
Disassembly and Assembly
M313C Excavator Machine Systems
Media Number -RENR9201-02 Publication Date -01/02/2009 Date Updated -12/02/2009
i06931098
Piston Pump (Swing) - Assemble
SMCS - 5070-016-ZW
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-1862 Pliers 1
B 1P-1861 Retaining Ring Pliers 1
C 147-3497 Spring Compressor 1
D 9U-5719 Shrink Tubing 1
E 5P-4758 Retaining Ring Pliers 1
F 1P-1863 Retaining Ring Pliers 1
G -(1)
Measuring Bell 1
H -(2)
Measuring Hub 1
J -(3)
Alignment Plug 1
K -(4)
Test Ring 1
(1)
Refer to Measuring Bell Part Number column of Table 2.
(2)
Refer to Measuring Hub Part Number column of Table 2.
(3)
Refer to Plug Part Number column of Table 2.
(4)
Refer to Test Ring Part Number column of Table 2.
Table 2
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26. Suggest:
If the above button click is invalid.
Please download this document
first, and then click the above link
to download the complete manual.
Thank you so much for reading
27. Piston
diameter in
mm (in)
Displacement
in cc
Hub (H)
Part
number
Bell (G)
Part
number
Test Ring (K)
Part number
Plug (J)
Part
number
15.2 (0.598) 40 135-8293 128-2744 135-8295 135-8291
17 (0.669) 56 128-2743 128-2744 128-2745 128-2741
Note: Tooling (G), (H), (J), and (K) is dependent on the diameter of the piston. Refer to Piston
Diameter column in table 2 to determine the correct tooling for your application.
Note: Refer to Special Instruction, REHS1607 for further instructions.
Illustration 1 g00914683
1. Install guide ring (74) and ring (75).
Illustration 2 g00914681
2. Install spring retainer (71) and rod (73). Install springs (72), (70), and (69). Install spring
retainer (68). Install keepers (67) and O-ring seal (66).
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