Oshkosh Corporation JERR-DAN 20NGADF6T-LP, Operation And Safety Manual

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Section 4 : Operation
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14. Make sure that the far end of
the vehicle has enough ground
clearance. It is possible to set
the rear of a front lifted vehicle
completely on the ground.
Take irregular road surfaces
into consideration. Make sure
that there are no under body
components of the vehicle
in contact with the L-Arms or
wheel grid device. Readjust if
necessary.
15. Lower the Tow Option Extend/
Retract Control handle to retract
the wheel lift until the vehicle is
about 3 to 4 feet from the back
of the truck. Leave enough
room to maneuver around
corners without corner binding
or causing contact between the
(2) vehicles. Be sure that the
boom is extended adequately to
ensure unobstructed crossbar
pivoting.
16. Be sure to maintain sufficient
clearances with the bottom of
the vehicle.
17. Attach the safety chains and
magnetic towing lights. The
safety chains are located in the
chain boxes at the rear of the
recovery vehicle. Safety chains
must be crossed from one side
of the carrier vehicle to the
opposite side of the vehicle.