TRUCK SERVICE MANUAL
Fig. 6. Locking Hub (Manual Type with Hex Head Mounting Bolts) (Exploded View)
HUB, Axle Shaft
SCREW, Flat Head, 1/4 NC
To avoid excessive torque loads on the rear axle, DO
NOT drive vehicle equipped with manual-locking
hubs in low range of transfer case with hubs set in
"FREE" position. This does not apply to the Lock-O-
Matic hub, because it automatically locks the wheel
with the axle shaft when torque is applied. Therefore,
no increased load is placed on the rear axle.
During vehicle operation arrow in center of control
must always point directly to one of the red dots on
the rim of the hub. Also, both hubs must be set the
Locking hubs are either mounted with hex head bolts or
socket head (Allen) set screws. The locking hubs with the hex
head bolts are secured with lock washers which are equipped
with locking tabs.
Bend tabs out of the way of bolt head (if equipped) and
remove mounting bolts. CAUTION: Use only thin-wall sockets
to remove the hex head bolts. Heavier sockets may force in
the recessed wall of the locking hub. Lift off clutch body,
being careful not to allow drive pins to fall out of body.
Remove lock ring holding hub body onto axle shaft and pull
GASKET, Clutch Body
BOLT, HexHead, 3/8 NF
SEAL, Oil, Outer
off hub body. If it is necessary to remove drag shoe from axle
spindle, loosen hex head set screw and unscrew drag shoe
"DISASSEMBLY" and "REASSEMBLY" of the
manual type locking hub (not spring-loaded)
refer to Fig. 6.
The spring-loaded manual type locking hub disassembly
procedure is much the same as the non-spring loaded type
hub, except the clutch ring assembly (Item 7, Fig. 11) is one
assembly, and the ring and drive pin cannot be removed from
the clutch ring. The control assembly (Item 15, Fig. 11) and
the clutch screw cannot be separated like the non-spring
loaded type hub assembly.
Hub Body (Manual Type)
To disassemble hub body (3), remove snap ring (1) using the
proper pliers. The axle shaft hub (4) may be pulled from hub
body (3) noting from which side of the hub body the axle shaft
hub is extracted, Fig. 7. Needle bearing assembly may be
removed from hub body (3) if necessary.
CTS-2209-H Page 4
PRINTED IN UNITED STATES OF AMERICA