VEHICLE RECOVERY AND SPRING BRAKES
2
Returning Vehicle to Service
You will have to add lubricant to
prevent damage after your vehicle has
been towed.
1. Into the
pinion cage, add 1 pint
(.47 liter) of lubricant or into the
interaxle differential, add 2 pints
(.94 liter) of approved lubricant.
2. After adding
the specied type
and amount of lubricant, drive the
vehicle. It should be unloaded.
Drive 1 to 2 miles (1.5 to 3 km)
at a speed lower than 25 mph
(40 km/h). This will thoroughly
circulate the lubricant through the
assembly.
Spring Brakes—Manual
Release
Recovering a vehicle requires that you
release the parking brakes. There may
be times when there is not enough air
pressure to release the parking brakes.
In such cases, the parking brakes
(or Spring Brakes) can be manually
released.
WARNING!
Do not drive vehicle with malfunc-
tioning brakes. If one of the brake
circuits should become inoperative,
braking distances will increase sub
-
stantially and handling characteristics
while braking will be affected. You
could lose control of your vehicle or
cause an accident. Have it towed to
the nearest dealer or qualied repair
facility for repair. Failure to comply
may result in death, personal injury,
equipment or property damage.
The brakes can be released in this
manner should the pressure in the air
system not be enough to release them.
This may occur in instances where
the engine's air compressor is not
able to get the system up to operating
pressure.
WARNING!
WARNING!
Do not disassemble a spring brake
chamber. These chambers contain a
powerful spring that is compressed.
Sudden release of this spring may re
-
sult in death or personal injury.
Do not operate a vehicle when the
spring brakes have been manually
released. Driving a vehicle after its
spring brakes are manually released
is extremely dangerous. The brakes
may not function. Failure to comply
may result in death, personal injury,
equipment or property damage.
2-20 Y53-6047–2C (04/13)
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