Service Repair Manual for Caterpillar M315D Wheeled Excavator

Service Repair Manual
Models
M315D WHEELED Excavator

Shutdown SIS
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Product: WHEELED EXCAVATOR
Model: M315D WHEELED EXCAVATOR K5E
Configuration: M315D Excavator K5E00001-UP (MACHINE) POWERED BY C4.4 Engine
Disassembly and Assembly
M315D, M315D Series 2, M315D2, M317D Series 2 and M317D2 Wheeled Excavators
Machine Systems
Media Number -KENR6028-05 Publication Date -01/07/2015 Date Updated -08/07/2015
i06804170
Main Hydraulic Pump - Assemble
SMCS - 5070-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-1861 Retaining Ring Pliers 1
C
464-4892(1)
Test Ring 1
128-2746(2)(3)
Test Ring 1
D
129-3873(1)
Measuring Hub 1
129-3874(2)(3)
Measuring Hub 1
E 128-2744 Measuring Bell 1
F - Vernier Height Gauge 1
G 1P-0510 Driver Gp 1
H
464-4893(1)
Alignment Plug 1
128-2742(2)
Alignment Plug 1
437-5508(3)
Alignment Plug 1
J - Loctite 242 -
(1)
Use for 95 cc pumps.
(2)
(3)
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2020/5/6https://127.0.0.1/sisweb/sisweb/techdoc/techdoc_print_page.jsp?returnurl=/sisweb/siswe...

NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01312814
1. Use Tooling (A) to install bearing (77) to shaft (75). Raise the temperature of bearing (77).
Install retaining ring (76) to shaft (75).
2. Install shaft (75) into the piston pump.
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3. Use Tooling (A) to install retaining ring (74).
4. Use Tooling (G) to install seal (73).
5. Use Tooling (A) to install retaining ring (72).
6. Install outer races (71) to piston pump (4).
7. Install rods (69) to swashplate (57).
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8. Install bearings (70) to swashplate (56). Install a rubber band to each of bearings (70). The
rubber band will hold bearings (70) to swashplate (56).
9. Carefully install swashplate (56) to piston pump (4).
10. Cut the rubber band on swashplate (56).
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Note: Rods (68) must engage slotted pins (68).
11. Install plugs (67) and slotted pins (68).
12. Install the maximum angle stop screw (54). Repeat for the opposite side of piston pump (4)
to install the minimum angle stop screw.
13. Place port plate (47) on a surface plate.
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14. Install Tooling (H) to port plate (47).
15. Install barrel (63) onto Tooling (H) and port plate (47).
16. Install Tooling (C) to retainer (64). Shims and springs must be removed from retainer (64).
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17. Install retainer (64) to barrel (63).
18. Install retainer plate (59) to retainer (64).
19. Bolt Tooling (D) to Tooling (E).
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20. Install assembled Tooling (D) and Tooling (E) into the splined bores of retainer (64). Make
sure that Tooling is properly seated.
21. Record the dimension that is stamped on the side of Tooling (E). This dimension is the
distance from the top of retainer plate (59) to the top of Tooling (E). This dimension is
called Dimension (W).
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22. Use Tooling (F) to measure the distance from the top of the surface plate to the top of
Tooling (E). Record this dimension. Call this Dimension (X).
23. Use the following calculation: Dimension (X) - Dimension (W) = Dimension (Y).
24. Dimension (Y) is the correct lift-off limitation without shim (66).
Note: This is the correct lift-off limitation for the 95 cc main hydraulic pump.
122.65 + 0.0 − 0.200 mm (4.8287 + 0.00 − 0.0078 inch) Call this Dimension (Z).
Note: This is the correct lift-off limitation for the 130 cc and 145 cc main hydraulic pump.
136.95 + 0.0 − 0.200 mm (5.3917 + 0.00 − 0.0078 inch) Call this Dimension (Z).
25. Use the following calculation: Dimension (Z) - Dimension (Y) = Thickness of shim (66).
Note: Shim (66) is available in several thicknesses. Select the correct thickness of shim (66)
to obtain the correct lift-off limitation. Only one shim (66) should be used.
26. Install cup springs (65) and shim (66) to barrel (63).
27. Install retainer (64) to barrel (63).
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28. Install pistons (58) to retainer plate (59).
29. Install retainer plate (59) with pistons (58) to barrel (63).
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30. Install rotating assembly (55) into piston pump (4).
31. Install retainers (61) and bolts (62). Use Tooling (J) on bolts (62).
Note: Bolts (62) should be replaced with new bolts.
32. Install O-ring seal (57) to piston pump (4).
33. Install bearing (52), plugs (53), and the O-ring seals in pump adapter (42).
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34. Assemble rod (51), spring (50), and bushing (49) to seat adjuster (45).
35. Install spring (48) in seat adjuster (44).
36. Install seat adjuster (44), seat adjuster (45), rods (46), and port plate (47) on pump adapter
(42).
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Improper assembly of parts that are spring loaded can cause bodily
injury.
To prevent possible injury, follow the established assembly procedure
and wear protective equipment.
37. Carefully Install pump adapter (42).
Note: Make sure that seat adjusters (44) and (45) remain assembled while pump adapter
(42) is being installed.
38. Install bolts (43).
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39. Install O-ring seal (41) on flange (40).
40. Install flange (40), O-ring seal (39), coupling (38), and bolts (37).
41. Install pins (32), O-ring seals (33), O-ring seal (34), lever (36), and pin (35).
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42. Install plug (25) and plug (26).
43. Install pin (27), fitting (29), O-ring seal (28), plug (30), and cap (31).
injury.
44. Install housing (14), spool (15), spacer (16), pin (17), spring retainer (18), spring (19),
spring (20), spring retainer (21), O-ring seal (22), plug (23), and cap (24).
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45. Install the O-ring seal, plug (13), pin (12), O-ring seal (11), and cartridge (10).
46. Remove coil (9) and nut (8).
47. Install piston (5), spring (6), and roller (7).
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injury.
48. Install valve assembly (2) and bolts (3).
49. Install the O-ring seal and plug (1) Into main hydraulic pump (4).
End By:
a. Install the main hydraulic pump. Refer to Disassembly and Assembly, "Main Hydraulic
Pump and Pump Drive Coupling - Install".
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Wed May 6 10:31:32 UTC+0800 2020
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Machine Systems
i02817327
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 (Hydraulic Fan) -
Remove and Install".
1. Disconnect hose assemblies (1).
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2. Disconnect hose assembly (2). Disconnect hose assembly (3). Disconnect hose assembly
(4). Disconnect hose assembly (5). Disconnect hose assemblies (6).
3. Disconnect hose assembly (7). Disconnect hose assembly (8).
4. Attach a suitable lifting device onto swing pump (9). The weight of swing pump (9) is
approximately 54 kg (120 lb). Remove bolts (10).
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5. Remove swing pump (9).
6. Remove drive coupling (11).
7. Remove O-ring seal (12).
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Wed May 6 10:32:28 UTC+0800 2020
3/3(W)w

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Machine Systems
i05441407
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 piston pump. Refer to Disassembly and Assembly, "Piston Pump (Swing) -
Remove".
Personal injury can result from hydraulic oil pressure and hot oil.
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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.
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.
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1. Remove bolts (2) and (3) from servo valve (1).
2. Remove servo valve (1) from housing (4).
3. Remove bolts (5) from charge pump (6).
Note: Mark all parts for installation purposes.
4. Remove charge pump (6) from housing (4).
5. Remove gears (7) and (8) from charge pump (6).
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6. Remove coupler (9) from head (10).
7. Remove plate (11) from head (10).
8. Remove bolts (12) from head (10).
9. Remove head (10) from housing (4).
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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).
Personal injury can result from being struck by parts propelled by a
released spring force.
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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).
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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Service Repair Manual for Caterpillar M315D Wheeled Excavator

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