Caterpillar Cat 432F BACKHOE LOADER (Prefix PXR) Service Repair Manual Instant Download.pdf

Service Repair Manual
Model
432F BACKHOE LOADER

Shutdown SIS
Previous Screen
Product: BACKHOE LOADER
Model: 432F BACKHOE LOADER PXR
Configuration: 432F Backhoe Loader Side Shift PXR00001-UP (MACHINE) POWERED BY C4.4 Engine
Disassembly and Assembly
416F, 420F, 422F, 428F, 430F, 432F, 434F and 444F Backhoe Loaders Power Train
Media Number -UENR2303-02 Publication Date -01/04/2013 Date Updated -15/04/2013
i07189711
Axle Housing (Service Brakes, Differential and Bevel Gear) -
Assemble
SMCS - 3256-016; 3258-016; 3260-016; 4251-016
S/N - FBN1-UP
S/N - FLY1-UP
S/N - LBH1-UP
S/N - LDH1-UP
S/N - LJJ1-UP
S/N - LNR1-UP
S/N - LRH1-UP
S/N - PXR1-UP
S/N - RAK1-UP
S/N - SEJ1-UP
S/N - SJW1-UP
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 202-7965 Spanner Wrench 1
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C 235-2784 Adjusting Tool Gp 1
E 1P-0520 Driver Gp 1
F 235-2790 False Pinion 1
G 235-2792 False Differential 1
H 6V-2012 Depth Micrometer 1
J 154-9731 Thread Lock Compound -
K 069-4707 Sealant 1
L
8T-5096 Dial Indicator Gp 1
207-0478 Socket Assembly 1
207-0485 Adjustment Tool 1
207-0481 Adjustment Tool 1
M 129-1938 Grease Cartridge -
NOTICE
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
Note: Cleanliness is an important factor. Before assembly, thoroughly clean all parts in cleaning
fluid. Allow the parts to air dry. Do not use wiping cloths or rags to dry parts. Lint may be
deposited on the parts which may cause trouble. Inspect all parts. If any parts are worn or
damaged, use new parts for replacement. Dirt and other contaminants can damage the precision
component. Perform assembly procedures on a clean work surface. Keep components covered and
protected at all times.
Note: Check the O-ring seals and the seals for wear or for damage. Replace the components, if
necessary.
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Illustration 1 g01641381
1. Lower the temperature of bearing cups (67). Use Tooling (E) to install bearing cups (67)
into the center housing.
2. Install bearing cones (50) and (48). Install Tooling (F).
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3. Align the location marks that were made during the removal procedure. Position brake
cylinder assembly (11) and temporarily install bolts (17). Repeat for the opposite side.
4. Install Tooling (G) into the center housing. Make sure that Tooling (G) is inserted into both
brake cylinders.
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5. Use Tooling (H) to measure Distance (A). Distance (B) equals 145 mm (5.709 inch).
Distance (C) equals 50 mm (1.968 inch). Use the following formula to calculate
Measurement (X): A mm + C mm - B mm = X mm. Record Measurement (X).
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6. Measurement (V) is stamped on the head of pinion shaft (46). Use the following formula to
calculate Measurement (S): X mm - V mm = S mm.
7. Among the available shims, choose the shim with the thickness of Measurement (S). The
shim will be installed in Step 9.
8. Remove Tooling (G). Remove brake cylinder assemblies (11). Remove the nut and the
washer from Tooling (F) and remove Tooling (F). Remove bearing cones (48) and (50).
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9. Install the shim from Step 7 onto pinion shaft (46). Install the shim with the chamfer against
the gear. Raise the temperature of bearing cone (50) and install bearing cone (50) onto
pinion shaft (46).
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10. Install washers (49) and a new collapsible spacer (47) onto pinion shaft (46).
11. Install pinion shaft (46) into the center housing. Raise the temperature of bearing cone (48)
and install bearing cone (48) onto pinion shaft (46).
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12. Install lip seal (45) into the center housing.
13. Install brake disc (42), O-ring seal (43), washer (44), and nut (41).
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432F Backhoe Loader Side Shift PXR00001-UP (MACHINE) POWERED BY C4.4...
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14. Use Tooling (C) to hold brake disc (42). Tighten nut (41). Continue to tighten nut (41) to
achieve a rotating torque of 4.126 to 4.460 N·m (36.518 to 39.474 lb in).
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15. Install thrust washer (37) and side gear (38). Install spider (36), gears (35), and thrust
washers (34).
16. Install planetary shafts (33). Install locking pins (31). Install side gear (32) and thrust
washer (30). Install cover (29).
17. Install pins (27), the seals, and collar (28).
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18. Install bevel gear (25) onto the differential. Apply Tooling (J) to the threads of bolts (24).
Install bolts (24) and tighten bolts (24) to a torque of 180 N·m (133 lb ft).
19. Raise the temperature of bearing cones (23) and (26). Install bearing cones (23) and (26).
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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.
20. Install fork (58) into the center housing. Install retaining ring (57) onto rod (55). Install rod
(55) into fork (58).
21. Install washer (56) and spring (54) onto rod (55).
22. Install O-ring seal (53) onto cover (52). Install cover (52) and bolts (51). Tighten bolts (51)
to a torque of 20 to 24 N·m (15 to 18 lb ft).
23. Install spring (59), bushing (60), and retaining ring (61) onto rod (55).
24. Install O-ring seals (62) onto piston (63). Install piston (63) into cover (65).
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25. Install O-ring seal (64) onto cover (65). Install cover (65) and bolts (66). Tighten bolts (66)
to a torque of 20 to 24 N·m (15 to 18 lb ft).
26. Apply a thin coat of Tooling (M) onto O-ring seals (5). Install O-ring seals (5) onto brake
piston (6). Repeat this step for the opposite side.
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27. Install brake piston (6) into brake cylinder assembly (11). Make sure that the holes on brake
piston (6) align with the holes in brake cylinder assembly (11). Make sure that brake piston
(7) is installed all the way to the bottom of brake cylinder assembly (11). If necessary, tap
brake piston (6) with a suitable rubber mallet to install brake cylinder assembly (11)
completely to the bottom. Repeat this step for the opposite side.
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.
28. Install bolts (16), retainers (15), springs (14), springs (13), and bushings (12), as an
assembly. Install bolts (10), washers (9), bushings (8), and spacers (7). Tighten bolts (10) to
a torque of 10 N·m (89 lb in). Tighten the bolts for springs (16) to a torque of 10 N·m
(89 lb in). Repeat this step for the opposite side.
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29. Position brake cylinder assembly (11) on a flat surface. Use Tooling (E) to install bearing
cup (21). Repeat this step for the opposite side.
30. Use Tooling (A) to install spanner nut (22) into brake cylinder assembly (11). Repeat this
step for the opposite side.
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31. Apply Tooling (K) to the mating surfaces of the center housing and one brake cylinder
assembly (11). Align the location marks that were made during the removal procedure.
Position brake cylinder assembly (11) on the side that is opposite of the bevel gear, and onto
the center housing. Install bolts (17). Tighten bolts (17) to a torque of 79 ± 4 N·m
(58 ± 3 lb ft).
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32. Install the differential and bevel gear assembly (18) into the center housing.
Note: Ensure that collar (28) engages fork (58).
33. Apply Tooling (K) to the mating surfaces of the center housing and brake cylinder assembly
(11). Align the location marks that were made during the removal procedure. Position brake
cylinder assembly (11) onto the center housing and install bolts (17). Tighten bolts (17) to a
torque of 79 ± 4 N·m (58 ± 3 lb ft).
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34. Oscillate the pinion shaft and use Tooling (A) to advance spanner nuts (22) until there is
slight backlash with no end play.
35. Install a dial type torque wrench onto pinion shaft (46). Measure the total rotating torque.
Use the following formula to calculate the total rotating torque (TRT): P equals the rotating
torque that was measured in Step 14. TRT = P + 0.519 N·m (4.593 lb in) to P + 0.778 N·m
(6.885 lb in)
36. If the total rotating torque (TRT) is less than the specified amount, tighten both spanner nuts
equally. If the total rotating torque (TRT) is greater than the specified amount, loosen both
spanner nuts equally. Be sure to always maintain slight backlash.
37. Use a suitable hammer and a punch to stake nut (32).
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Typical example
38. Mount Tooling (L) onto the center housing. Measure the backlash between the pinion and
the bevel gear. The proper backlash setting is 0.18 to 0.32 mm (0.007 to 0.013 inch).
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39. If the backlash is not within the specification, retract one spanner nut and advance the
opposite spanner nut equally. This will maintain the bearing preload. If the backlash is less
than the specified amount, move the bevel gear in Direction (A). If the backlash is greater
than the specified amount, move the bevel gear in Direction (B).
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40. Install retainer (19) and bolt (20) into both brake cylinder assemblies (11). Tighten bolts
(20) to a torque of 13 N·m (10 lb ft). Repeat this step for the opposite side.
41. Apply Tooling (J) to the threads of bolts (40). Position brake assembly (39) and install bolts
(40).
Note: Make sure that you align the tear-shaped holes in brake discs (2) to provide proper
flow of oil for cooling, as shown.
42. Install dowels (3). Install brake hub (4) with brake discs (2) and plates (1) into the brake
cylinder assembly.
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End By:
a. Install the axle housing. Refer to Disassembly and Assembly, "Axle Housing, Axle Shaft,
and Wheel Flange - Install".
Copyright 1993 - 2019 Caterpillar Inc.
All Rights Reserved.
Private Network For SIS Licensees.
Fri Sep 27 21:01:18 UTC+0800 2019
24/24
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Shutdown SIS
Previous Screen
Product: BACKHOE LOADER
Model: 432F BACKHOE LOADER PXR
Configuration: 432F Backhoe Loader Side Shift PXR00001-UP (MACHINE) POWERED BY C4.4 Engine
Disassembly and Assembly
416F, 420F, 422F, 428F, 430F, 432F, 434F and 444F Backhoe Loaders Power Train
Media Number -UENR2303-02 Publication Date -01/04/2013 Date Updated -15/04/2013
i03043004
Axle Housing, Axle Shaft, and Wheel Flange - Assemble
SMCS - 3260-016; 4057-016; 4234-016
S/N - FBN1-UP
S/N - FLY1-UP
S/N - JWJ1-UP
S/N - KSF1-UP
S/N - LBH1-UP
S/N - LDH1-UP
S/N - LDY1-UP
S/N - LJJ1-UP
S/N - LKH1-UP
S/N - LNH1-UP
S/N - LNR1-UP
S/N - LRH1-UP
S/N - LTG1-UP
S/N - LWT1-UP
S/N - PXR1-UP
S/N - RAK1-UP
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S/N - RDF1-UP
S/N - RGS1-UP
S/N - SEJ1-UP
S/N - SJW1-UP
S/N - SKR1-UP
Assembly Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 230-7923 Spanner Wrench 1
B 1P-1861 Retaining Ring Pliers 1
C 1P-0520 Driver Gp 1
Note: Cleanliness is an important factor. Before assembly, thoroughly clean all parts in cleaning
fluid. Allow the parts to air dry. Do not use wiping cloths or rags to dry parts. Lint may be
deposited on the parts which may cause trouble. Inspect all parts. If any parts are worn or
damaged, use new parts for replacement. Dirt and other contaminants can damage the precision
component. Perform assembly procedures on a clean work surface. Keep components covered and
protected at all times.
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1. Use Tooling (C) in order to install bushing (20) and seal (19). Install bushing (20) and seal
(19) to the depth of Dimension (A). Dimension (A) is measured from Surface (X) to seal
(19). Dimension (A) is equal to 9.0 mm (0.35 inch).
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2. Raise the temperature of bearing cone (18). Install bearing cone (18). Install spacer (17).
4/12
2019/9/27

Caterpillar Cat 432F BACKHOE LOADER (Prefix PXR) Service Repair Manual Instant Download.pdf

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