The removal of the S-Series cab from chassis
can be performed providing an overhead crane and cab
lifting fixture are available. Removal procedures may
vary for various models depending on type of equipment
The following steps may be used as a guide.
Block wheels of truck and release parking brake.
Tilt or remove hood.
Disconnect battery ground cable.
Drain radiator and disconnect heater hose.
Disconnect steering shaft at gear.
Disconnect accelerator linkage.
Disconnect electrical connections and ground
Disconnect clutch linkage.
Disconnect brake system (air or hydraulic).
Disconnect speedometer and tachometer drive
Remove shift lever from transmission.
Detach exhaust system from cab if system is
Install cab lifting fixture. Make sure fixture is
padded to prevent damage to cab.
Remove cab to frame stay rods.
Partially lift cab so cab weight will be sup- ported
on lifting fixture.
Remove cab to frame mounting bolts and nuts at
front and rear locations.
Inspect all cab to frame attaching points
to be sure they are disconnected or
damage can result.
Carefully lift cab from chassis.
Cab installation is the reverse of the fore- going
removal procedure. No special adjustment is required
for cab to frame mounting bolts and nuts other than the
application of specified torques. Connect all wiring
harnesses, plumb- ing and controls. Start engine and
check all systems and controls before returning truck to
Cab hardware and other mechanisms require a
periodic application of lubricant to increase service life
and prevent objectionable squeaking. New cabs are
lubricated at factory and before they are delivered to
customer. After the cab is placed in service, regular
lubricating intervals based on type of service should be
established. Thorough lubrication at definite intervals
adds greatly to cab service life and reduces overall
For specified lubrication intervals refer to
Wipe off all lubricant points before applying new
lube to prevent lube contamination. Apply lube sparingly
and wipe away excess.
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