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


Axle (Front)

Usage:

426 F2 DJ4




Illustration 1g03780794

Table 1
Specification for 230-5743 Drive and Steering Axle Gp 
Item  Qty  Part  Specification Description 
16  199-0683 Bolt  Torque to 255 to 315 N·m (188 to 232 lb ft)
As required, use the following shims during bearing preload: 
Each pair of shims must be assembled in a cross pattern.
8 198-7841 Shim  Thickness of one shim is 0.15 mm (0.006 inch)
4 198-7842 Shim  Thickness of one shim is 0.20 mm (0.008 inch)
4 198-7843 Shim  Thickness of one shim is 0.50 mm (0.020 inch)
253-5024 Breather  Torque to 5.0 to 10.5 N·m (44.3 to 92.9 lb in)
Before assembly, apply Loctite High Flex GM to the interface of the center housing. Remove excess Loctite after assembly. 
11  208-0321 Bolt  Torque to 160.55 to 169.00 N·m (118.42 to 124.65 lb ft)
209-9875 Dowel  Before assembly, apply Loctite 638. Remove excess Loctite after assembly. 
152-6144 Drain Plug As  Torque to 39 to 63 N·m (29 to 46 lb ft)
Tighten the jam nut to 97.5 to 157.5 N·m (71.9 to 116.2 lb ft)
  Before assembly, apply Loctite 270 to the threads of bolt. 
10  Tighten the nut to 212.5 to 262.5 N·m (156.7 to 193.6 lb ft)
11  Tighten the ball joint to 255 to 315 N·m (188 to 232 lb ft)
12  290-4164 Bolt  Before assembly, apply Loctite 270 to the threads. Remove the excess sealant after assembly. 
Torque to 391 to 483 N·m (288 to 356 lb ft).
13  Before assembly, apply desert gold grease to the bores of the pin, the seals, and the O-ring. 
Before assembly, pack the king pin bearings with EP grease. 
14  207-4258 Nut  Torque to 187 to 231 N·m (138 to 170 lb ft)
15  8C-7505 Flat Head Screw  Torque to 12.50 to 26.25 N·m (110.63 to 232.33 lb in)

Differential



Illustration 2g03780795

Table 2
Specification for 209-9882 Differential and Bevel Gear Gp 
Item  Qty  Part  Specification Description 
16  As required, use the following shims to attain the necessary preload for the bearings and for the backlash for the pinion: 
1 209-4303 Shim  Thickness is 2.50 mm (0.098 inch)
1 209-4304 Shim  Thickness is 2.60 mm (0.102 inch)
1 209-4305 Shim  Thickness is 2.70 mm (0.106 inch)
1 209-4306 Shim  Thickness is 2.80 mm (0.110 inch)
1 209-4307 Shim  Thickness is 2.90 mm (0.114 inch)
1 209-4308 Shim  Thickness is 3.00 mm (0.118 inch)
1 293-8765 Shim  Thickness is 3.10 mm (0.122 inch)
1 209-4309 Shim  Thickness is 3.20 mm (0.126 inch)
1 209-4310 Shim  Thickness is 3.30 mm (0.130 inch)
1 209-4311 Shim  Thickness is 3.40 mm (0.134 inch)
17  217-2868 Bevel Gear and Pinion Gp  Backlash is 0.18 to 0.32 mm (0.007 to 0.013 inch)
18  12  266-4360 Bolt  Before assembly, apply Loctite 638 to the threads. 
Torque to 99.75 to 105 N·m (74 to 77 lb ft).
19  208-0322 Bolt  Torque to 187 to 231 N·m (138 to 170 lb ft)
20  199-0695 Bolt  Torque to 6.50 to 13.65 N·m (57.53 to 120.81 lb in)
21  216-4457 Seal  Installation depth is 13.5 to 14.0 mm (0.53 to 0.55 inch)

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