OPERATING PROCEDURES GRT655/655L OPERATOR MANUAL
4-14 Published 3-23-2020, Control # 654-04
• Use four-wheel drive only when greater traction is
necessary. (Refer to Four-Wheel Drive Operation,
page 4-20 for operating instructions.)
• Make sure outrigger beams and jacks are fully retracted
with pads properly stowed.
• Conduct all travel with assistance of a ground person to
warn operator of any change in terrain conditions.
Traveling — Towing/Pulling
To avoid severe damage to the drive train while using the
crane to tow or pull another vehicle, follow these
recommendations:
• Make sure boom is in a horizontal position and not
elevated above 0°.
• Make sure outrigger beams and jacks are fully retracted
with the pads properly stowed.
• Tow or pull on open ground when possible.
• Connect to the optional pintle hook (if equipped) or
attach cables/straps to the crane at a point no higher
than the pintle hook height.
• Use four-wheel drive when greater traction is necessary.
(Refer to Four-Wheel Drive Operation, page 4-20 for
operating instructions.)
• Should the crane become mired down, use a tow truck
or tractor to free the vehicle. Severe damage to the
drivetrain may occur if the operator attempts to free the
crane unassisted.
• Conduct all travel with the assistance of a ground person
to warn the operator of any changing conditions in the
terrain being traversed.
Traveling — Being Towed/Pulled
Grove Crane recommends connecting to a pintle hook (if
equipped) or evenly attaching to the tie-down lugs when
being towed by another vehicle.
• Make sure boom is in a horizontal position and not
elevated above 0°.
• Make sure outrigger beams and jacks are fully retracted
with pads properly stowed.
To avoid severe damage to drive train while crane engine is
disabled:
• Disconnect drivelines.
• Disengage parking brake by manually turning parking
brake adjustment until axle turns free.
CAUTION
Machine Damage Hazard!
Do not travel with an empty hook in a position where it can
swing freely (except where noted). Remove hook block
and/or overhaul ball from hoist rope and stow securely or
make sure hook block or overhaul ball is properly secured
to tie down provided for that purpose.
Do not drive crane with lift cylinder bottomed. At a
minimum, position boom to horizontal.
Fully retract outrigger beams and jacks and properly store
pads.
Disengage pumps (if applicable) for extended traveling.
CAUTION
Machine Damage Hazard!
Grove Crane recommends towing or pulling another
vehicle with the optional pintle hook (if equipped) or by
attaching at a point no higher than the pintle hook height,
or severe damage may occur to the drivetrain.
Do not tow or pull by attaching to the tie-down lugs unless
the attaching point is no higher than the pintle hook
height.
Use four-wheel drive when greater traction is necessary
to avoid severe damage to the drivetrain.
Should the crane become mired down, use a tow truck or
tractor to free the vehicle. Severe damage to the
drivetrain may occur if the operator attempts to free the
crane unassisted.
CAUTION
Machine Damage Hazard!
It is recommended to attach cables/straps to the optional
pintle hook (if equipped) or by attaching at a point no
higher than the pintle hook height if being towed by
another vehicle.
Do not attach to the tie-down lugs unless the attaching
point is no higher than the pintle hook height.
Should the crane become mired down, use a tow truck or
tractor to free the vehicle. Severe damage to the
drivetrain may occur if the operator attempts to free the
crane unassisted.
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