Jeep 1997 Grand Cherokee Service Manual page 21

WHEEL LIFT SLING TYPE FLAT BED
ZG
SERVICE PROCEDURES (Continued)
onds, stop cranking engine and allow starter to cool
(15 min.), before cranking again.
DISCONNECT CABLE CLAMPS AS FOLLOWS:
• Disconnect BLACK cable clamp from engine
ground on disabled vehicle.
• When using a Booster vehicle, disconnect BLACK
cable clamp from battery negative terminal. Disconnect
RED cable clamp from battery positive terminal.
• Disconnect RED cable clamp from battery posi-
tive terminal on disabled vehicle.
TOWING RECOMMENDATIONS
A vehicle equipped with SAE approved sling-type
towing equipment or a wheel-lift towing device can
be used to tow all ZJ vehicles. When towing a 4WD
vehicle, use tow dollies under the opposite end of the
vehicle. A vehicle with a flat-bed device can also be
used to transport a disabled vehicle (Fig. 2).
Fig. 2 Tow Vehicles With Approved Equipment.
SAFETY PRECAUTIONS
The following safety precautions must be observed
when towing a vehicle:
• Secure loose and protruding parts.
• Always use a safety chain system that is inde-
pendent of the lifting and towing equipment.
• Do not allow towing equipment to contact the
disabled vehicle's fuel tank.
• Do not allow anyone under the disabled vehicle
while it is lifted by the towing device.
• Do not allow passengers to ride in a vehicle
being towed.
• Always observe state and local laws regarding
towing regulations.
LUBRICATION AND MAINTENANCE
• Do not tow a vehicle in a manner that could
jeopardize the safety of the operator, pedestrians or
other motorists.
• Do not attach tow chains, T-hooks, J-hooks, or a
tow sling to a bumper, steering linkage, drive shafts
or a non-reinforced frame hole.
GROUND CLEARANCE
CAUTION: If vehicle is towed with wheels removed,
install lug nuts to retain brake drums.
A towed vehicle should be raised until lifted wheels
are a minimum 100 mm (4 in) from the ground. Be
sure there is adequate ground clearance at the oppo-
site end of the vehicle, especially when towing over
rough terrain or steep rises in the road. If necessary,
remove the wheels from the lifted end of the vehicle
and lower the vehicle closer to the ground, to
increase the ground clearance at the opposite end of
the vehicle. Install lug nuts on wheel attaching studs
to retain brake drums.
FLAT-BED TOWING RAMP ANGLE
If a vehicle with flat-bed towing equipment is used,
the approach ramp angle should not exceed 15
degrees.
TWO-WHEEL-DRIVE VEHICLE TOWING
Chrysler Corporation recommends that a vehicle be
towed with the rear end lifted, whenever possible.
TOWING-REAR END LIFTED
CAUTION: Do not use steering column lock to
secure steering wheel during towing operation.
Vehicles can be towed with the front wheels on the
ground for extended distances at speeds not exceed-
ing 48 km/h (30 mph).
(1) Attach the J-hooks around the axle shaft tube
outboard of the rear springs.
(2) Position and center the sling under and for-
ward of the rear bumper.
(3) Attach safety chains (with pads) at each end of
the rear bumper.
(4) Turn the ignition switch to the OFF position to
unlock the steering wheel.
(5) Secure the steering wheel in straight ahead
position with a clamp device designed for towing.
(6) Verify that steering components are in good
condition.
(7) Shift the transmission to NEUTRAL.
TOWING-FRONT END LIFTED
To prevent damage to front facia components, use
only a Wheel-Lift type towing device or Flat-Bed
hauling equipment.
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