422F2, 426F2, 427F2, 428F2, 432F2, 434F2 and 444F2 Backhoe Loaders Axles, Differential and Brakes Caterpillar


Axle (Rear)

Usage:

434F2 HWR


Illustration 1g03775323

Table 1
Specification for 366-9465 Rear Axle Gp 
Item  Qty  Part  Specification Description 
198-7835 Tie Rod Nut  Torque to 238 to 294 N·m (176 to 217 lb ft)
212-5713 Plug As  Torque to 32.5 to 52.5 N·m (24.0 to 38.7 lb ft)
095-9805 Bolt  Before assembly, apply Loctite 270 to the threads. 
Torque to 181.5 to 199.5 N·m (133.9 to 147.1 lb ft).
Tighten the ball joints to 255 to 315 N·m (190 to 230 lb ft)
Tighten the nut to 212.5 to 262.5 N·m (156.7 to 193.6 lb ft)
Before assembly, apply Loctite 270 to the threads. 
Tighten the nut to 115.00 ± 5.75 N·m (84.82 ± 4.24 lb ft)
Before assembly, apply Loctite 542 to the threads.
198-7811 Dowel  Before assembly, apply Loctite 638 to the surface. 
4L-6454 Bolt  Torque to 38.25 to 47.75 N·m (28.21 to 35.22 lb ft)
10  As required, each pair of shim must be cross assembled. 
8 198-7841 Shim  Thickness is 0.15 mm (0.006 inch)
8 198-7842 Shim  Thickness is 0.2 mm (0.01 inch)
4 198-7843 Shim  Thickness is 0.15 mm (0.006 inch)
11  197-9155 Breather  Torque to 8.5 to 10.5 N·m (75.2 to 92.9 lb in)
12  During assembly, coat bores of the O-rings, seals, and kingpin with desert gold grease. 
13  Before assembly, apply blue Loctite High Flex GM to both sides of the interface of the center assembly and the axle housing. Remove excess Loctite after assembly. 
14  26  7X-2559 Bolt  Before assembly, apply Loctite 270 to the threads. 
Torque to 266 to 294 N·m (196 to 216 lb ft).

Differential and Brake



Illustration 2g03775324

Table 2
Item  Qty  Part  Specification Description 
15  095-0674 Bolt  Torque to 51.35 to 82.95 N·m (37.87 to 61.18 lb ft)
16  Before assembly, apply Loctite 270 to the threads. 
Tighten the bolt to 171 to 189 N·m (126 to 139 lb ft).
17  199-0670 Purge Screw  Torque to 11.40 to 12.60 N·m (100.00 to 111.00 lb in)
19  162-0177 Plug As  Torque to 26.50 to 31.50 N·m (234.54 to 278.80 lb in)
20  199-0695 Bolt  Torque to 6.50 to 13.65 N·m (57.53 to 120.81 lb in)
21  During assembly, coat the seals with desert gold grease. 
22  As required, use the following shims in order to adjust the pinion. 
1 199-0684 Shim  Thickness is 2.50 mm (0.098 inch)
1 199-0685 Shim  Thickness is 2.60 mm (0.102 inch)
1 199-0686 Shim  Thickness is 2.70 mm (0.106 inch)
1 199-0687 Shim  Thickness is 2.80 mm (0.110 inch)
1 199-0688 Shim  Thickness is 2.90 mm (0.114 inch)
1 199-0689 Shim  Thickness is 3.00 mm (0.118 inch)
1 199-0690 Shim  Thickness is 3.10 mm (0.122 inch)
1 199-0691 Shim  Thickness is 3.20 mm (0.126 inch)
1 199-0692 Shim  Thickness is 3.30 mm (0.130 inch)
1 199-0693 Shim  Thickness is 3.40 mm (0.134 inch)
23  210-3108 Bevel Gear and Pinion Gp  Backlash is 0.18 to 0.32 mm (0.007 to 0.013 inch)


Illustration 3g03775325
(18) Brake cylinder group

Table 3
Item  Qty  Part  Specification Description 
24  1R-5396 Bolt  Torque to 8.5 to 10.5 N·m (75.2 to 92.9 lb in)
25  6V-2315 Bolt  Torque to 8.5 to 10.5 N·m (75.2 to 92.9 lb in)
26  Before assembly, apply desert gold grease to the O-ring seals. 


Illustration 4g03775326

Table 4
Item  Qty  Part  Specification Description 
27  Thickness of three new brake discs and four new plates at one side is 36.00 ± 0.35 mm (1.417 ± 0.014 inch)
3 238-5291 Brake Disc  Thickness of one new brake disc is 4.00 ± 0.05 mm (0.157 ± 0.002 inch)
4 199-0786 Plate  Thickness of one new plate is 6.00 ± 0.05 mm (0.236 ± 0.002 inch)

Final Drive



Illustration 5g03775358

Table 5
Item  Qty  Part  Specification Description 
28  8C-7505 Flat Head Screw  Torque to 12.50 to 26.25 N·m (110.63 to 232.33 lb in)
29  199-0679 Bolt  Before assembly, apply Loctite 270 to the threads. 
Torque to 392.35 to 433.52 N·m (289.38 to 319.75 lb ft).
30  Tighten the inner nut to 13 to 14 N·m (115 to 124 lb in)
31  Tighten the outer nut to 61 ± 75 N·m (45 ± 55 lb ft)
32  8T-0292 Bolt  Torque to 19.55 to 24.15 N·m (173.03 to 213.75 lb in)
33  6V-3940 Bolt  Torque to 19.55 to 24.15 N·m (173.03 to 213.75 lb in)


Illustration 6g03775360

Table 6
Item  Qty  Part  Specification Description 
34  226-4366 Nut  Use any one of the following method in order to tighten the nut: 
Torque to 1000 N·m (738 lb ft).
or
Before assembly, apply black Loctite Graphite-50 to the threads and to the back of nut.
Torque to 800 N·m (590 lb ft).
35  226-4370 Self-Locking Bolt  Torque to 70 N·m (52 lb ft)

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