operators_manual

WARNING!
An open air line on the recovered vehicle
will cause a leak in the air system of the re-
covery vehicle if both vehicles’ brake sys-
tems are connected. This could cause a
loss of system air, which can cause the
service brakes not to function, resulting in
the sudden application of the spring brakes
causing wheel lock-up, loss of control, or
overtake by following vehicles. You could be
in an accident involving death or personal
injury. Ensure that any air line that has been
removed from a driver-controlled main differ-
ential lock is firmly capped to prevent loss of
air pressure from the recovery vehicle if it is
supplying air pressure.
1. Lift driving wheels off the ground or
remove the driveline and axle shafts
before towing the vehicle.
CAUTION
Failure to lift the driving wheels off
the ground or remove the driveline
and axle shafts before towing the
vehicle could seriously damage your
vehicle. All lubricating and clutch ap-
plication oil pressure is provided by
an engine-driven pump, which does
not work when the engine is stop-
ped. When vehicles are towed either
by wrecker or piggyback, lubricant in
the top front of the drive axle will
drain to the rear. This will leave the
top components dry, resulting in fric-
tion that will seriously damage these
components.
2. If the vehicle has driver controlled
differential lock, then manually lock
the differential.
3. Remove drive axle shafts.
4. Cover the open ends of the hubs to
prevent dirt and debris from entering
the axle.
CAUTION
Water, dirt and other material can
enter an open hub or axle. This can
contaminate the axle fluid and cause
possible damage to components.
Ensure that the hubs are covered
with plastic whenever a drive axle
shaft is removed.
How to Manually Lock a Differential
Always lock the differential when the axles
are being removed to aid in re-installation.
Follow these procedures if the vehicle has
a driver controlled differential lock.
This procedure should be done before the
axle shafts are removed.
CAUTION
Failure to install the caging bolt when towing
vehicles with driver-control main differential
lock can result in damage by failing to lock
internal components in position.
WARNING!
An open air line on the recovered vehicle
will cause a leak in the air system of the re-
covery vehicle if both vehicles’ brake sys-
tems are connected. This could cause a
loss of system air, which can cause the
service brakes not to function, resulting in
the sudden application of the spring brakes
causing wheel lock-up, loss of control, or
overtake by following vehicles. You could be
in an accident involving death or personal
injury. Ensure that any air line that has been
removed from a driver-controlled main differ-
ential lock is firmly capped to prevent loss of
air pressure from the recovery vehicle if it is
supplying air pressure.
EMERGENCY - How to Recover a Vehicle
42 Y53-6096-1A1 (01/17)
2