HOSE AS 4Z8123 - Caterpillar

Illustration 11 g03798824Note: Damper assembly (15) may have retained with spindle assembly (11) when spindle assembly (11) was removed.
If necessary, install damper assembly (15) with the facing material towards the piston and towards the spindle.
Illustration 12 g03798821
Install bearing cone (14). Use Tooling (C) to install Duo-Cone seal (13). Refer to Special Instructions, SEHS8364, "Assembly and Installation of Conventional Duo-Cone Seals" for the correct procedure.
Illustration 13 g03798820
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.
Note: To avoid damaging the O-ring seals for the rod adjusters, install the bolts for spindle assembly (11) in an even pattern, so that spindle assembly (11) remains level during installation.
Use Tooling (B) and a suitable lifting device to install spindle assembly (11). The weight of spindle assembly (11) is approximately 105 kg (232 lb).
Install bolts (12).
Illustration 14 g03798427
Install bearing cone (10).
Perform the following steps for the shimming procedure:
Illustration 15 g03860065
Illustration 16 g03860043
Illustration 17 g03860053
Measure the thickness of retainer plate (8) at the locations of the three small holes (X). Calculate the average thickness of the retainer.
Use two people to position hub assembly (9). The weight of hub assembly (9) is approximately 30 kg (65 lb).
Install retainer plate (8) without any shims. Install three bolts (7) evenly spaced next to three small holes (X).
Tighten bolts (7) to a torque of 100 N m (74 lb ft). Rotate the wheel several revolutions.
Again, tighten bolts (7) to a torque of 100 N m (74 lb ft). Again, rotate the wheel several revolutions.
Loosen bolts (7).
Torque bolts (7) to 40 N m (30 lb ft). Rotate the wheel for several revolutions.
Repeat Step 19.g until the torque of bolts (2) remains at 40 N m (30 lb ft).
Use a depth micrometer to measure through three small holes (X) in retainer plate (8) to the end of the spindle. Use the three measurements to determine the average depth.
Subtract the average thickness determined in Step 19.a from the average depth determined in Step 19.i. The outcome is the dimension of the gap that is between the end of the spindle and retainer plate (8).
Use two people to position hub assembly (9). The weight of hub assembly (9) is approximately 30 kg (65 lb). Remove retainer plate (8) from the spindle. Install a shim pack that is equal to the dimension (average gap) from Step 19.j plus 0.10 mm. The tolerance range from the shim pack is 0.025 mm.
Install retainer plate (8) and all bolts (7). Tighten bolts (7) to a torque of 150 20 N m (111 15 lb ft).
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Install wear indicator (6).
Illustration 19 g03798387
Install speed sensor (4) and bolt (5).
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Use a suitable lifting device to remove spindle, service brake, and wheel (3) from Tooling (A). The weight of spindle, service brake, and wheel (3) is approximately 463 kg (1020 lb).
Illustration 21 g03798380
Install gear (2) and retaining ring (1).End By:
Install the spindle, service brake, and wheel.
Install the final drive.
Purge the Service Brakes. Refer to the systems operations "Service Brake Air -