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BLADE AS-U 4Z9066 - Caterpillar

4Z9066 BLADE AS-U Caterpillar parts BLADE
Alternative (cross code) number:
Caterpillar 4Z9066 BLADE AS-U
Weight: 0.80 pounds 0 kg.

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Installation Procedure
Table 1
Required Tools
Tool Part Number Part Description Qty
A 1P-7405 Eyebolt 1
B 138-7575 Link Bracket 2
C 138-7576 Link Bracket 2
D - 3/4 inch - 10 NC by 6 inch Guide Bolt 2
E - Loctite 7649 -
F - Loctite 277 - Note: Check the O-ring seals, the gaskets, and the seals for wear or for damage. Replace the components, if necessary.
Illustration 1 g03872965
Install O-ring seal (11).
Illustration 2 g02742396
Install Tooling (D) to the axle housing. Note: Tooling (D) must be modified in order to be used as a guide bolt. Position Tooling (D) in a suitable vice. Remove the head of the bolt in order to use Tooling (D) as a guide bolt.
Install Tooling (C) and a suitable lifting device to the differential and bevel gear assembly. The weight of the rear differential and bevel gear assembly is approximately 415 kg (915 lb). Install the differential and bevel gear assembly to the axle housing.
Remove Tooling (D) from the axle housing.
Apply Tooling (E) then apply Tooling (F) to 45 bolts (10).
Install 45 bolts (10). Tighten 45 bolts (10) to a torque of 475 60 N m (350 44 lb ft).
Illustration 3 g01088537
Attach Tooling (B) and a suitable lifting device to front trunnion support (9). The weight of front trunnion support (9) is approximately 87 kg (192 lb). Install front trunnion support (9) to the pinion housing.
Illustration 4 g01088536
Install yoke assembly (8).
Install manifold (7) to the rear axle housing.
Install clip (6).
Illustration 5 g01088136
Typical example
Install O-ring seal (4) to pin (5).
Use Tooling (A) in order to install pin (5) to the axle housing.
Illustration 6 g01088544
Typical example
Install cover (3) and bolts (1). Tighten bolts (1) evenly to a torque of 47 N m (35 lb ft).
Use a feeler gauge to measure the gap between the axle housing and cover (3).
Subtract 0.05 0.03 mm (0.002 0.001 inch) from the measurement found in Step 14, to give the thickness of shims required.
Remove bolts (1) and cover (3).
Illustration 7 g01088133
Install shims (2), cover (3) and bolts (1). Tighten bolts (1) to a torque of 100 15 N m (75 10 lb ft). End By:
Install the axle shafts. Refer to Disassembly and Assembly, "Axle Shaft - Install".
Install the rear axle assembly. Refer to Disassembly and Assembly, "Oscillating Axle (Rear) - Install".

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