3-15.6 Wheel Assembly Replacement, Model 204-050-200-5 (AVUM) - Continued
Refer to figure 3-8 and remove the Wheel Assembly as follows:
Remove cotter pin (1), castle nut (2), and retainer (3).
Remove damaged wheel assembly (4) from axle (5).
Inspect axle to assure that It is clean. Lubricate machined surfaces lightly with lubricating oil (item 5,
If wheel assembly is removed as part of a disassembly procedure, retain for reinstallation.
If wheel assembly is removed because it is defective, repair using procedures in paragraph 3-15.7.
Refer to figure 3-8 and install new or repaired Wheel Assembly as follows:
Install wheel assembly (4) on axle.
Install retainer (3), castle nut (2), and hand tighten castle nut until snug.
Back off castle nut until first slot aligns with hole in axle.
Install cotter pin (1) in slot of nut and hole in axle.
Perform service procedure In C below.
Service the Wheel Assembly as follows:
Check tire pressure with tire pressure gauge for 50 psi (34.5 kPa).
Never inflate wheel assembly without first checking wheel locknut torques, to insure wheel
locknuts are tightened to specifications. An assembly with missing washers, bolts, nuts or
improperly tightened locknuts could separate under pressure, causing serious injury or death.
If pressure is incorrect, inflate or deflate tire to 50 psi (34.5 kPa); if pressure is correct, procedure is
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