Note. Check all components for distortion, damage, cracking and denting. Replace any damaged components.
Needle roller bearings
Rotate the roller cages manually. They must rotate smoothly, with no hardness or noise.
There should be no end float.
Replace any needle roller bearings that do not meet these requirements.
Grease the rollers; see 1.8.1.
Seals
Check the condition of the seals. Replace any damaged or worn seals.
Swinging arm spindle
Check spindle run-out using a dial gauge.
Replace spindle when run-out exceeds the allowed limit.
Spindle run-out limit: 0.3 mm.
