Caterpillar Cat M315C WHEELED EXCAVATOR (Prefix BDM) Service Repair Manual (BDM00001-02000).pdf

Service Repair Manual
Models
M315C WHEELED Excavator

Shutdown SIS
Previous Screen
Product: WHEELED EXCAVATOR
Model: M315C WHEELED EXCAVATOR BDM
Configuration: M315C EXCAVATOR BDM00001-02000 (MACHINE) POWERED BY 3054 Engine
Disassembly and Assembly
M315C Excavator Power Train
Media Number -RENR6964-04 Publication Date -01/08/2018 Date Updated -17/08/2018
i01933170
Final Drive Carriers, Hubs and Brakes - Disassemble - Front
Axle
SMCS - 4054-015; 4092-015; 4253-015; 4255-015
Disassembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-1863 Retaining Ring Pliers 1
B
1U-5839 Bearing Puller Gp 1
1P-0459 Drive Plate 1
C
6V-6080 Torque Multiplier Gp 1
123-6703 Centering Guide 1
123-6704 Centering Guide 1
D
1P-0510 Driver Gp 1
1V-6415 Boss 1
8T-0985 Bearing 1
E 1P-1861 Retaining Ring Pliers 1
F 5P-4758 Retaining Ring Pliers As 1
ZZ
6V-9508 Face Seal Plug 1
6V-9829 Cap As 1
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Start By:
a. Release the hydraulic system pressure. Refer to Disassembly and Assembly, "Hydraulic
System Pressure - Release".
b. Remove the tire and the rim. Refer to Disassembly and Assembly, "Tire and Rim -
Remove".
Note: SERVICE DATA: TOOLING (ZZ) WILL NOT BE IDENTIFIED IN
PHOTOGRAPHS IN THE REMOVAL OR THE INSTALLATION. THIS TOOLING IS
SHOWN IN ORDER TO ASSIST THE EXPERIENCED SERVICEMAN.
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.
Make sure all of the attachments have been lowered, 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, "Caterpillar Dealer Service
Tool Catalog" for tools and supplies suitable to collect and contain
fluids on Caterpillar products.
Dispose of all fluids according to local regulations and mandates.
1. Drain the final drive. The final drive contains approximately 2 L (0.5 US gal) of oil.
2. Drain the differential.
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Illustration 1 g01005681
3. Attach a suitable lifting device to carrier housing (2).
4. Remove bolts (1) and carrier housing (2). The weight of the carrier housing is
approximately 25 kg (55 lb).
5. Disconnect hose assembly (3).
6. Use Tooling (A) in order to remove retaining ring (4).
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7. Remove thrust washer (4A).
8. Use Tooling (B) in order to remove planetary gears (5) from carrier housing (2).
9. Use Tooling (A) in order to remove retaining ring (6) from sun gear (6A).
10. Remove gear (7).
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11. Use Tooling (F) in order to remove retaining ring (8), thrust washer (9), and thrust washer
(10).
12. Remove plates (11) and discs (12).
13. Use Tooling (E) in order to remove lock ring (13).
14. Install Tooling (C) in order to remove spanner nut (14).
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15. Remove ring gear assembly (15).
16. Remove nuts (16) from ring gear assembly (15).
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.
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17. Remove bolts (17), springs (18), and O-ring seal (19) from ring gear assembly (15).
18. Use a hammer and a punch in order to remove brake piston (20) and ring (21) from ring
gear assembly (15).
19. Remove O-ring seals (22) and backup rings (23) from piston (20).
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20. Remove O-ring seal (24) from hub (26).
21. Remove O-ring seal (25) from spindle (26A).
22. Attach Tooling (D) and a suitable lifting device to hub (26).
23. Remove hub (26) and outer bearing cone (27).
24. Remove outer bearing cone (27) and spacer (28).
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25. Remove outer bearing cup (29) from hub (26).
26. Remove lip seal (30) and inner bearing cup (31) from hub (26).
27. Remove bearing cup (32) from hub (26).
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Shutdown SIS
Previous Screen
Product: WHEELED EXCAVATOR
Model: M315C WHEELED EXCAVATOR BDM
Configuration: M315C EXCAVATOR BDM00001-02000 (MACHINE) POWERED BY 3054 Engine
Disassembly and Assembly
M315C Excavator Power Train
Media Number -RENR6964-04 Publication Date -01/08/2018 Date Updated -17/08/2018
i01925696
Final Drive Carriers, Hubs and Brakes - Assemble - Rear
Axle
SMCS - 4054-016; 4092-016; 4253-016; 4255-016
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A
1U-6415 Three Jaw Puller 1
1P-0510 Driver Gp 1
B 1P-1859 Retaining Ring Pliers 1
E
6V-6080 Torque Multiplier Gp 1
4C-4661 Center Ring 1
4C-4058 Spanner 1
F 1P-1853 Retaining Ring Pliers 1
G 1U-8758 Retaining Ring Pliers 1
H 9S-7354 Torque Wrench Gp 1
J 9U-5006 Torque Wrench Gp 1
K 123-6707 Seal Installer 1
L 6V-7030 Micrometer Depth Gauge Group 1
M Micrometer 1
N 188-7400 Piston Installer 1
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P 123-6695 Driver 1
Q 4C-3085 Two Jaw Puller 1
R 182-1744 Bearing Puller 1
S 6V-6640 Sealant 1
T 5P-0960 Molybdenum Grease 1
U 9S-3263 Thread Lock Compound 1
1. Install the O-ring seals on connector (40). Install connector (40) in the spindle.
2. Install bleeder valve (42) in the spindle.
3. Install O-ring seal (41) in the spindle.
4. Install spindle (39) in the spindle's original location.
5. Install bolts (36). Tighten the socket head bolts to a torque of 280 N·m (210 lb ft).
6. Install shaft seal (37).
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7. Use Tooling (P) to install plate (35) on the spindle. Install the plate until the plate makes
contact with the face of the spindle.
8. Raise inner bearing cone (33) to a temperature of 135 °C (275 °F). Install inner bearing cone
(33) on the spindle. Make sure that the bearing cone is seated against the shoulder on the
spindle.
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9. Lower the temperature of the inner bearing cup to a temperature of −75 °C (−103 °F). Install
inner bearing cup (34) in hub (29). Use Tooling (G) to seat inner bearing cup (34) in the
hub.
10. Invert the hub. Lower the temperature of outer bearing cup (31) to a temperature of −75 °C
(−103 °F). Install the outer bearing cup in hub (29). Use Tooling (A) to seat the outer
bearing cup in the hub.
11. Install hub (29) onto spindle (39).
12. Bushing (38) is available in several thicknesses. If a new wheel bearing, a new spanner nut,
a new ring gear, or a new hub is used, the thickness of bushing (38) must be determined in
order to obtain the correct amount of rolling torque on the hub.
13. Install bushing (38) onto the spindle.
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14. Raise the temperature of outer bearing cone (30). Install outer bearing cone (30) on the
housing for the steering axle. Make sure that the outer bearing cone is correctly seated.
15. Install ring (23) into ring gear assembly (18).
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Note: Slightly stretch one of the seals (25) prior to installing the seal on the larger diameter.
Heat two backup rings (26) in an oil bath prior to installing the backup rings.
16. Install backup rings (26) and seals (25) onto brake piston (23). Install the seals so that the oil
grooves are facing each other.
17. Install Tooling (N) on brake piston (23), as shown. Install the centering ring (part of Tooling
(N)) on the brake piston first. The centering ring is the larger ring in Tooling (N). Install the
installer (part of Tooling (N)) on the brake piston. Remove the centering ring from the brake
piston.
18. Use a press to carefully position brake piston (23) against the shoulder in ring gear assembly
(18). Remove the installer (part of Tooling (H)) from the brake piston.
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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.
19. Install springs (21) and bolts (20) into ring gear assembly (18).
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20. Apply Tooling (U) on the threads of bolts (20). Tighten nuts (19) until Distance (W)
between the head of each socket head bolt and the top surface of ring gear (18) is
0.75 ± 0.25 mm (0.030 ± 0.010 inch). Use Tooling (L) to measure Distance (W) at each
socket head bolt. The maximum torque of each nut that is used on the end of socket head
bolts (20) must not exceed 11 N·m (8 lb ft).
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Note: Make sure that the holes for the supply oil in the spindle align with the holes for the
supply oil in the ring gear.
21.
22. Install ring gear assembly (18) without the seals.
23. Apply Tooling (T) to the threads of spanner nut (17). Install spanner nut (17).
24. Use the following procedure to tighten spanner nut (17):
25. Install Tooling (E) and Tooling (J) onto spanner nut (17).
26. Rotate the hub while spanner nut (17) is being torqued. Tighten the spanner nut to a torque
of 1550 N·m (1143 lb ft). Do not exceed a torque of 2050 N·m (1512 lb ft).
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27. Install two lug nuts on one of the wheel studs. Tighten the lug nuts against each other so that
the lug nuts cannot move. Install an appropriate socket and Tooling (H) on the lug nut.
Position Tooling (K) so that Tooling (H) is in line with the radius of the hub, as shown.
Note: Tooling (H) must be in line with the radius of the hub, as shown.
Note: The required rolling torque for the roller bearing is 15 ± 3 N·m (133 ± 27 lb in).
Note: The required rolling torque for the roller bearing must be measured from the center of
the hub. Tooling (H) is not attached to the center of the hub, but to the wheel stud. The
torque reading for Tooling (H) has been recalculated. The calculation is based on the length
of Tooling (H). The torque reading on Tooling (H) must be 8.2 ± 1.6 N·m (73 ± 14 lb in).
This setting on Tooling (H) will obtain the required rolling torque of 15 ± 3 N·m
(133 ± 27 lb in).
28. Use Tooling (H) to slowly rotate the hub. Record the amount of torque that is required to
rotate the hub. The torque reading on Tooling (H) must be 4.1 ± 1.6 N·m (41 ± 14 lb in). If
the rolling torque is not correct repeat Steps 14 through Steps 24 by using a different
bushing. If the rolling torque is greater than the value that is specified, install the next wider
bushing. If the rolling torque is less than the specified value, install the next narrower
bushing. Recheck the rolling torque.
Note: After the correct size for bushing (38) and the correct rolling torque are obtained, the
ring gear and the hub are removed in order to install the seals.
29. After the correct rolling torque of the hub is obtained, use Tooling (E) to remove spanner
nut (17). Remove ring gear assembly (18).
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30. Use Tooling (A) in order to remove hub (29).
31. Remove the outer bearing cone (30). Remove bushing (38).
32. Attach Tooling (R) to inner bearing cone (33). Attach Tooling (Q) to Tooling (R). Remove
the inner bearing cone from the spindle.
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33. Raise inner bearing cone (33) to a temperature of 135 °C (275 °F). Install the inner bearing
cone into inner bearing cup (34).
34. Immediately apply Tooling (S) to the outer diameter of lip seal (32). Use Tooling (K) to
install lip seal (32) in hub (29). Install the seal with the sealing lip toward inner bearing cone
(33). Tooling (K) will set the depth of the seal in the hub.
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35. Install hub (29) onto spindle (39).
36. Install bushing (38) on the spindle.
37. Raise outer bearing cone (30) to a temperature of 135 °C (275 °F). Install outer bearing cone
(30) on the housing for the steering axle. Make sure that the outer bearing cone is correctly
seated.
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38. Install O-ring seal (22).
Note: Make sure that the holes for the supply oil in the spindle align with the holes for the
supply oil in the ring gear.
39. Apply clean hydraulic oil on the O-ring seal (28) that is on the hub. Install ring gear
assembly (18) on the hub. Make sure that the O-ring seal that is on the hub is not damaged.
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40. Apply Tooling (T) to the threads of spanner nut (17). Install spanner nut (17) on the
threaded portion of the spindle.
41. Use the following procedure to tighten spanner nut (17):
a. Install Tooling (E) and Tooling (J) onto spanner nut (17).
b. Rotate the hub while spanner nut (17) is being torqued. Tighten the spanner nut to a
torque of 1550 N·m (1143 lb ft). Do not exceed a torque of 2050 N·m (1512 lb ft).
42. Use Tooling (F) in order to remove lockring (16). Make sure that the tab on lockring (16)
engages with a slot in spanner nut (17), as shown.
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Caterpillar Cat M315C WHEELED EXCAVATOR (Prefix BDM) Service Repair Manual (BDM00001-02000).pdf

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