18-4. TRANSFER CASE REPAIR (MODEL 242) (Cont'd)
Inspect drive chain (23) for breaks, missing parts, kinks, and evidence of scratching on contact
surfaces. Replace drive chain (23) if damaged.
Inspect drive sprocket (24) and driven gear (26) for cracks, breaks, bent or twisted splines, and
broken or chipped gear teeth. Replace gears (24) or (26) if damaged.
Inspect front output shaft (25) for cracks, bent or twisted splines, damaged threads, and scored
bearing and sealing surfaces. Minor scoring and thread damage is reparable. Replace front output
shaft (25) if damaged.
Inspect low range gear (29) for cracks, breaks, chipped or broken gear teeth, pinion side free play
and smooth rotation. If front and rear carriers are loose, tighten screws (28); if still loose, replace
low range gear (29). For all other damage, replace low range gear (29).
Inspect oil cooler (27) for bends, breaks, and leaks. Repair by straightening bent fins. Replace oil
cooler (27) if damaged.