Axles No. 3 and No. 4 Maintenance Instructions (Cent)
Remove two screws (55), lockwashers (56), and
cover (57) from differential carrier (13).
Scrape old sealant from differential carrier.
Adhesives, solvents, and sealing compounds can burn easily, can give off harmful
vapors, and are harmful to skin and clothing. To avoid injury or death, keep away
from open fire and use in well-ventilated area. If adhesive, solvent, or sealing
compound gets on skin or clothing, wash immediately with soap and water.
Clean all metal parts with dry cleaning solvent.
Compressed air used for cleaning purposes will not exceed 30 psi (207 kPa). Use
only with effective chip guarding and personal protective equipment, goggles,
shield, and gloves.
Use clean lint free cloth or compressed air to dry all metal parts, except bearings. Allow
bearings to air dry.
Inspect all metal parts for breaks, cracks, and sharp edges. Replace if damaged.
Inspect bearings for loose rollers or cracked or broken races. Coat bearings with lubricating oil.
Inspect dowel pins for cracks and breaks. Replace if damaged.
Inspect internally splined friction plate embossing. If embossing is completely worn off, replace
Inspect friction plates for warpage, cracks, breaks, and excessive oxidation on friction plates.
Replace individual friction plates as necessary. If more than half the friction plates are oxidized,
replace entire set of friction plates.
If pinion or ring gear is bad, replace both as a matched set.
Replace springs if there are signs of overheating, wear due to rubbing against other parts, or if
length is less than 1.34 in. (34 mm) under 200 lb (91 kg) load. If three or more springs must be
replaced, replace entire set of springs.
Inspect spider for visible steps and grooves on shafts created by wear. Replace worn spider.
Inspect spider gears for chipped teeth, cracks, discoloration, and out of round holes. Replace
damaged spider gears.
Inspect expansion plugs for damage or signs of leakage. Replace if damaged or if there is
evidence of leakage.