Caterpillar cat m315 c wheeled excavator (prefix bdm) service repair manual (bdm02001 and up)

Service Repair Manual
Models
M315C WHEELED Excavator

Shutdown SIS
Previous Screen
Product: WHEELED EXCAVATOR
Model: M315C WHEELED EXCAVATOR BDM
Configuration: M315C Excavator BDM02001-UP (MACHINE) POWERED BY 3054E Engine
Disassembly and Assembly
M315C Excavator Machine Systems
Media Number -RENR6971-03 Publication Date -01/02/2009 Date Updated -17/02/2009
i01904607
Piston Pump (Main Hydraulic) - Disassemble
SMCS - 5070-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-1861 Retaining Ring Pliers 1
B 1U-7600 Slide Hammer Puller Gp 1
Start By:
A. Remove the main hydraulic pump. Refer to Disassembly and Assembly, "Main Hydraulic
Pump - Remove".
Note: Cleanliness is an important factor. Before you begin the disassembly procedure, the exterior
of the components should be thoroughly cleaned. This will help to prevent dirt from entering the
internal mechanism. Precision components can be damaged by contaminants or by dirt. Perform
disassembly procedures on a clean work surface. Keep components covered and protected at all
times.
Note: Put identification marks on all hoses, on all hose assemblies, on all wires, and on all tube
assemblies for installation purposes. Plug all hose assemblies and all tube assemblies. This helps
to prevent fluid loss, and this helps to keep contaminants from entering the system.
Note: Put orientation and location marks on all fittings for installation purposes.
NOTICE
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https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe...

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, "Caterpillar Tools and Shop
Products Guide" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
Illustration 1 g00902619
1. Remove drain plug (4) from main hydraulic pump (1). Drain the oil from main hydraulic
pump (1) into a suitable container.
2. Remove bolts (3) from valve group (2). Remove valve group (2) from main hydraulic pump
(1) .
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Personal injury can result from parts and/or covers under spring
pressure.
Spring force will be released when covers are removed.
Be prepared to hold spring loaded covers as the bolts are loosened.
3. Remove O-ring seals (5) and O-ring seal (7) .
4. Remove roller (9), spring (8), and piston (6) .
5. Remove plug assembly (11). Remove O-ring seal (10) from plug assembly (11) .
6. Remove piston (12) .
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pressure.
7. Remove plug (17). Remove spring retainer (16), spring (15), spring (14), and spring retainer
(13) from plug (17). Remove O-ring seal (18) from plug (17) .
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pressure.
8. Remove valve (25) from valve group (2). Remove O-ring seal (24) from plug (25). Remove
the following components from valve group (2) : retainer (23), spring (22), retainer (21),
spool (20) and pin (19) .
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pressure.
9. Remove plug (26) from valve group (2). Remove the following components from valve
group (2) : retainer (27), retainer (28), spring (29), retainer (30), spool (31) and pin (32) .
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10. Remove retaining ring (33) from valve group (2) .
11. Remove bolt (34) and lever (35) from valve group (2) .
12. Remove O-ring seal (37) from flange (39) .
13. Remove clutch hub (38) from the pump drive shaft.
14. Remove bolts (36). Remove flange (39) from the main hydraulic pump.
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15. Remove O-ring seal (40) from the back side of flange (39) .
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pressure.
Note: The seat adjustment groups (43) and (44) will come apart as pump adapter (41) is
being removed from the main hydraulic pump. To prevent mixing of parts, slowly remove
pump adapter (41) .
16. Remove bolts (42). Remove pump adapter (41) .
17. Remove seat adjuster group (43). Remove rod (47), piston (46), and spring (45) .
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18. Remove rod (51) from piston (49).
19. Remove piston (49), spring (50), and bushing (48) .
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20. Mark the position of port plate (52) in relation to the pump adapter. Remove port plate (52)
from pump adapter (41) .
21. Remove bearing (53) from pump adapter (41) .
22. Remove bolts (55) from sensor (54). Remove sensor (54) from main hydraulic pump (1) .
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23. Remove bolts (56) from plate (57). Remove plate (57) from main hydraulic pump (1) .
24. Mark the position of the maximum angle stop screw (58) prior to removal from the main
hydraulic pump (1). Remove maximum angle stop screw (58). Repeat for the opposite side
of the main hydraulic pump.
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25. Remove O-ring seal (61). Remove swashplate (60) and barrel assembly (59) as one piece.
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Note: Mark barrel (66), pistons (61), and swashplate (60) for orientation.
26. The swashplate must be heated in order to melt the thread lock. Remove bolts (65) from
swashplate (60).
Note: Bolts (65) should be replaced with new bolts.
27. Remove retainers (64) from swashplate (60).
28. Remove barrel assembly (59) from swashplate (60).
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29. Remove pistons (61) from barrel (66).
30. Remove retainer plate (62) from pistons (61) .
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31. Remove retainer (67) from barrel (66) .
32. Remove cup springs (68) and shims (69) from barrel (66) .
Note: Mark orientation of cup springs (68) and shims (69) for installation.
33. Remove plugs (70) and slotted pins (71) .
34. Remove rods (72) from swashplate (60) .
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35. Remove bearings (73 ) from main hydraulic pump (1) .
36. Remove outer races (74) from main hydraulic pump (1) .
37. Use Tooling (A) to remove retaining ring (75) .
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38. Use Tooling (B) to remove seal (76) .
39. Use Tooling (A) to remove retaining ring (77) .
40. Remove shaft (78) from main hydraulic pump (1) .
41. Remove retaining ring (79) from shaft (78) .
42. Remove bearing (80) from shaft (78). Use a suitable press to remove bearing (80) .
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Sat May 2 16:37:06 UTC+0800 2020
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Shutdown SIS
Previous Screen
Product: WHEELED EXCAVATOR
Model: M315C WHEELED EXCAVATOR BDM
Configuration: M315C Excavator BDM02001-UP (MACHINE) POWERED BY 3054E Engine
Disassembly and Assembly
M315C Excavator Machine Systems
Media Number -RENR6971-03 Publication Date -01/02/2009 Date Updated -17/02/2009
i01904610
Piston Pump (Main Hydraulic) - Assemble
SMCS - 5070-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-1861 Retaining Ring Pliers 1
C 128-2746 Test Ring 1
D 129-3874 Measuring Hub 1
E 128-2744 Measuring Bell 1
F ------ Vernier Height Gauge 1
G 1P-0510 Driver Gp 1
H 128-2742 Alignment Plug 1
J 9S-3263 Thread Lock Compound 1
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1. Install bearing (80) to shaft (78). Raise the temperature of bearing (80). Install retaining ring
(79) to shaft (78) .
2. Install shaft (78) to main hydraulic pump (1) .
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3. Use Tooling (A) to install retaining ring (77) .
4. Use Tooling (G) to install seal (76) .
5. Use Tooling (A) to install retaining ring (75) .
6. Install outer races (74) to main hydraulic pump (1) .
7. Install rods (72) to swashplate (60) .
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8. Install bearings (73 ) to swashplate (60). Install a rubber band to each bearing (73). The
rubber band will hold bearing (73) to swashplate (60) .
9. Carefully install swashplate (60) to main hydraulic pump (1) .
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10. Cut the rubber band on each bearing (73) .
Note: Rods (72) must engage slotted pins (71) .
11. Install plugs (70) and slotted pins (71) .
12. Install the maximum angle stop screw (58). Repeat for the opposite side of the main
hydraulic pump.
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Caterpillar cat m315 c wheeled excavator (prefix bdm) service repair manual (bdm02001 and up)

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