Caterpillar Cat M314F Wheeled Excavator (Prefix FB4) Service Repair Manual Instant Download.pdf

Service Repair Manual
Models
M314F Wheeled Excavator

Shutdown SIS
Previous Screen
Product: WHEELED EXCAVATOR
Model: M314F WHEELED EXCAVATOR FB4
Configuration: M314F Wheeled Excavator FB400001-UP (MACHINE) POWERED BY C4.4 Engine
Disassembly and Assembly
M314F, M316F, M318F, M320F and M322F Wheeled Excavator Power Train
Media Number -UENR6143-07 Publication Date -01/03/2018 Date Updated -13/03/2018
i06214408
Axle - Remove and Install - Rear Axle
SMCS - 3278-010; 3282-010
Removal Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 380-5719 Hydraulic Jack 1
Start By:
a. Remove the travel motor.
b. Remove the rear tires and rims.
1. Drain the oil from the rear axle into a suitable container for storage or disposal. Refer to
Operation and Maintenance Manual, "Axle Oil (Rear) - Change".
Illustration 1 g01175091
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2. Disconnect hose assemblies (1).
3. Disconnect harness assembly (2).
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4. Position Tooling (A) below transmission (3).
5. Disconnect hose assembly (6).
6. Attach a suitable lifting device to rear axle (4). The weight of rear axle (4) and transmission
(3) is approximately 794 kg (1750 lb).
7. Remove nuts (5) and carefully remove rear axle (4) and transmission (3) from the machine.
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8. Attach a suitable lifting device to transmission (3). The weight of transmission (3) is
approximately 136 kg (300 lb).
9. Remove bolts (7) and transmission (3).
Installation Procedure
1. Install rear axle (4) in the reverse order of removal.
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Wed Apr 29 10:15:48 UTC+0800 2020
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Shutdown SIS
Previous Screen
i06215027
Axle - Disassemble - Front Axle
SMCS - 3278-015; 3282-015
Disassembly Procedure
Table 1
Required Tools
A
8T-0980 Bearing Extractor 1
8T-0504 Bearing Puller 1
1P-0510 Driver Gp 1
B 8T-0984 Holder 1
C 1U-7600 Slide Hammer Puller Gp 1
D
8T-0979 Puller Gp 1
1U-5816 Sleeve 1
E 1U-7502 Repair Stand 1
Start By:
a. Remove the front axle.
b. Remove the final drive carriers, the hubs, and the brakes.
c. Remove the steering housing and bearings.
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1. Attach a suitable lifting device to the front axle assembly and position the front axle
assembly onto Tooling (E). The weight of the front axle assembly is approximately 213 kg
(470 lb).
2. Remove bolts (2).
3. Attach a suitable lifting device to axle housing (1) and remove axle housing (1). The weight
of axle housing (1) is approximately 68 kg (150 lb).
4. Remove differential (3) from axle housing (4).
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5. Install Tooling (A) in order to remove bearing cone (5) (not shown).
6. Install Tooling (A) in order to remove bearing cone (6) (not shown).
7. Remove bolts (7) from differential (3).
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8. Remove case (8) from differential (3).
9. Remove thrust washer (9) and side gear (10).
10. Remove spider assembly (11), thrust washer (12), and spider gears (13).
11. Remove side gear (14) and thrust washer (15) (not shown).
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12. Use a suitable press in order to remove differential case (16) from ring gear (17).
13. Install Tooling (B) to flange (19). Remove nut (18).
14. Remove washer (20) and flange (19).
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15. Use Tooling (C) in order to remove shaft seal (21).
16. Remove pinion assembly (22).
17. Remove bearing cone (23).
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18. Remove spacing ring (24).
19. Install Tooling (D) in order to remove bearing cone (25).
20. Remove bearing cup (26) and bearing cup (27) from axle housing (4).
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21. Remove bearing cup (28) and shim (28A) (not shown) from axle housing (4).
22. Remove bearing cup (29) and O-ring seal (30) from the axle housing.
Copyright 1993 - 2020 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Wed Apr 29 10:16:44 UTC+0800 2020
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Shutdown SIS
Previous Screen
i06215059
Axle - Assemble - Front Axle
SMCS - 3278-016; 3282-016
Assembly Procedure
Table 1
Required Tools
B 8T-0984 Holder 1
E 1U-7502 Repair Stand 1
F 6V-2012 Depth Micrometer 1
G
8T-0986 Bearing Installer Gp 1
126-7183 Crossblock 1
H 123-6698 Measuring Ring 1
J 6V-7059 Micrometer 1
K
8T-0976 Measuring Tool 1
1U-5824 Centering Ring 1
L 123-6702 Backlash Gauge Gp 1
M 8T-5096 Dial Indicator Gp 1
N 9S-7354 Torque Wrench Gp 1
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1. Subtract the Dimension that is stamped on pinion assembly (22) from the Dimension that is
stamped on axle assembly (4). The difference is Dimension (A).
2. Use a Tooling (F) to measure the thickness of bearing cup (26) and bearing cone (23).
Record this Dimension as Dimension (B).
3. Subtract Dimension (B) from Dimension (A). The difference is Value (C). Value (C) is the
thickness of the shims that are needed for the correct pinion depth.
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4. Lower the temperature of bearing cup (27) and bearing cup (26).
Note: The shims are installed behind bearing cup (27).
5. Install the amount of shims that were determined in Steps 1 through 3 into axle housing (4).
6. Use Tooling (G) to install bearing cup (27) into axle housing (4).
7. Install bearing cup (26).
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8. Raise the temperature of bearing cone (25). Lower the temperature of pinion assembly (22).
9. Install bearing cone (25) onto pinion assembly (22).
10. Install Tooling (H) onto pinion assembly (22).
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11. Install pinion assembly (22) into axle housing (4).
12. Raise the temperature of bearing cone (23). Install bearing cone (23) onto pinion assembly
(22).
13. Install flange (19). Install washer (20) and nut (18).
14. Install Tooling (B) onto flange (19).
Note: During the tightening of nut (18), make several full revolutions of pinion assembly
(22) in both directions.
15. Use Tooling (N) to tighten nut (18) until a rolling torque between 1 N·m (9 lb in) and 2 N·m
(18 lb in) is obtained.
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16. Remove Tooling (B). Remove nut (18), washer (20), and flange (19).
17. Remove bearing cone (23) and pinion assembly (22) from axle housing (4).
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18. Remove Tooling (H).
19. Use Tooling (J) to measure the thickness of Tooling (H). Record this Dimension as
Dimension (D). Dimension (D) is the thickness that is required for spacer ring (24) in Step
20.
20. Install spacer ring (24) onto pinion assembly (22).
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21. Install pinion assembly (22) into axle housing (4).
22. Raise the temperature of bearing cone (23). Install bearing cone (23) onto pinion assembly
(22).
23. Install flange (19). Install washer (20) and nut (18). Install Tooling (B). Tighten nut (18) to
a torque of 430 N·m (317 lb ft). Remove Tooling (B).
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24. If necessary, change the thickness of the spacer ring that was installed during Step 20 in
order to achieve a rolling torque between 1 N·m (9 lb in) and 2 N·m (18 lb in). Use Tooling
(N) in order to check the rolling torque.
25. Install Tooling (B). Remove nut (18), washer (20), flange (19), and Tooling (B).
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26. Install shaft seal (21).
27. Install flange (19). Install washer (20) and nut (18). Install Tooling (B). Tighten nut (18) to
a torque of 430 N·m (317 lb ft).
28. Remove Tooling (B) from flange (19).
29. Lower the temperature of differential case (16). Raise the temperature of ring gear (17).
30. Install ring gear (17) onto differential case (16).
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31. Install thrust washer (15) and side gear (14).
Note: The tabs of the thrust washers (12) must be installed in the upward position.
32. Install spider gears (13), thrust washers (12), and spider assembly (11).
33. Install side gear (10) and thrust washer (9).
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34. Install case (8) onto differential (3).
35. Install bolts (7) into differential (3). Tighten bolts (7) to a torque of 145 N·m (107 lb ft).
36. Raise the temperature of bearing cone (6) and bearing cone (5).
37. Install bearing cone (6) and bearing cone (5).
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38. Install shim (28A) (not shown) and bearing cup (28) into axle housing (4).
39. Install bearing cup (29) into Tooling (K).
40. Install differential (3) into axle housing (4).
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41. Install Tooling (K) onto differential (3) and axle housing (4).
Note: During the adjustment of Tooling (K), make several full revolutions of pinion
assembly (22) in both directions.
42. Adjust Tooling (K) until differential (3) is free of play and free of pressure. Tighten the lock
bolt.
43. Install Tooling (L) to the bore of the differential shaft.
44. Install Tooling (M) onto Tooling (K) and Tooling (L) in order to measure the backlash. The
correct backlash is between 0.15 mm (0.006 inch) and 0.25 mm (0.010 inch).
45. Change the thickness of shim (28A) from Step 38 in order to correct the backlash.
Note: Do not loosen the lock bolt on Tooling (K). Remove Tooling (K) and bearing cup
(29) as a unit.
46. Remove Tooling (M) and Tooling (L). Remove Tooling (K) and bearing cup (29) as a unit.
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