Wheel Maintenance Instructions (Cont)
12-5.BRAKE DRUM, WHEEL HUB, BEARING, OIL SEAL AND WEAR RING REMOVAL/
INSTALLATION, NO. 3 AND NO. 4 AXLES (MODELS 580 AND 650) (CONT).
New seal (7) does not require wear ring.
Studs are stamped R and L. R studs are
threaded for installation on right side of
vehicle only. L studs are threaded for
installation on left side of vehicle only. Be
sure to install correct studs into drum.
Drive ten wheel studs (1)
into drum (2).
Install hub (3) onto
Install outer bearing cup (4)
into hub (3).
Apply grease to inside of hub (3). Pack inner
bearing (5) with grease.
Install inner bearing cup (6).
Install inner bearing (5).
Coat inner lip of seal (7) with lubricating oil.
Using handle, adapter, and pilot, install