freightliner 108SD, Driver Manual

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10. Disconnect the negative jumper cable from the
negative cable stud on the jump started vehicle.
11. Disconnect the negative jumper cable from the
booster battery.
12. Disconnect the positive cable from the booster
battery.
13. Disconnect the other end of the positive jumper
cable from the jump started vehicle.
14. Install the battery box cover; be sure it is posi-
tioned properly before fastening the latch.
Towing
When it is necessary to tow the vehicle, make sure
the instructions below are closely followed to prevent
damage to the vehicle.
WARNING
Do not tow an unbraked vehicle if the combined
weight of both vehicles is more than the sum of
the gross axle weight ratings (GAWR) of the tow-
ing vehicle. Otherwise brake capacity will be in-
adequate, which could result in personal injury or
death.
Front Towing Hookup
1. Disconnect the batteries at the negative termi-
nals.
NOTICE
Failure to remove the axle shafts or the driveline
when towing the vehicle with the rear wheels on
the ground could result in damage to the trans-
mission and other parts.
2. Remove the driveline from any drive axle that will
have its wheels touching the ground while the
vehicle is towed,
or
remove the drive axle shafts on both sides of the
vehicle from any drive axle that will have its
wheels touching the ground while the vehicle is
towed.
3. If the axle shafts were removed, cover the ends
of the hubs with metal plates or plywood cut to fit
the axle opening, and drilled to fit the axle shaft
studs. This prevents lubricant from leaking out
and will keep contaminants from getting into and
damaging the wheel bearings and axle lubricant.
If the driveline(s) were removed, ensure the
U-joint caps are secure so they will not come off.
NOTICE
Failure to protect the frame rails from the chains
could cause damage, leading to eventual frame
failure.
4. If a vehicle with tandem rear axles is to be lifted
and towed, chain the forward rear-axle assembly
to the vehicle frame. This will prevent the forward
rear-axle assembly from dropping and keep its
wheels off the ground while being towed.
Use protection to keep the chains from damaging
the frame.
5.
Remove the bumper end caps and chrome bum-
per, if equipped.
NOTICE
Do not pass a sling (for example, a rope or chain)
from one tow hook to another to fasten for tow-
ing. Known as reeving, this practice is
not per-
missible in most industrial applications of towing
and hoisting. Reeving can overload the hooks
and result in damage to the vehicle.
6.
Attach the towing device. Due to the many vari-
ables that exist in towing, positioning the lifting
and towing device is the sole responsibility of the
towing-vehicle operator.
7. Lift the vehicle and secure the safety chains. If
extra towing clearance is needed, remove the
front wheels.
8. Connect the clearance lights, taillights, and sig-
nal lights. Connect any special towing lights re-
quired by local regulations.
WARNING
Failure to chock the tires or connect the tow
truck’s air brake system before releasing the
spring parking brakes could allow the disabled
vehicle to suddenly roll. This could cause prop-
erty damage or personal injury.
In an Emergency
24.5