Clean grease out of hub.
Dry cleaning solvent P-D-680 is toxic and flammable. Wear protective goggles, face mask, and
gloves and use only in a well ventilated area. Avoid contact with skin, eyes, and clothes and
don't breathe vapor. Do not use near open flame or excessive heat. The flashpoint for type I dry
cleaning solvent is 100°F (38°C) and for type II is 140°F (60°C). If you become dizzy while using
cleaning solvent, get fresh air immediately and get medical aid. If contact with eyes is made,
flush eyes with water and get medical aid immediately.
Do not "spin dry" bearings with compressed air. The bearings may fly apart.
Clean all metal parts with dry cleaning solvent P-D-680 and dry.
Check bearings for pitting, rusting and wear.
(4) Check races for grooves.
Bearings must be packed with
fresh grease before assembly.
When installing bearing races,
use a block of wood, drift, and a
hammer to seat races in hub.
Pack inner bearing (5) with grease and
install inner bearing race (6), bearing and
seal (4) using a block of wood and a ball
Install outer bearing race (7) using a block
of wood and a ball peen hammer.
Pack outer bearing (2) with grease and
install bearing in hub (3).
Install washer (1).