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Komatsu PVVl70ES-6 Operation & Maintenance Manual page 28

Wheeled excavator

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WARNING:
Failure
to follow
these safety
precautions
may lead to a serious accident.
7. PRECAUTIONS
DURING OPERATION
7.5 TOWING
4 WHEN TOWING,1
Injury or death could result if a disabled machine is towed incorrectly.
If you machine is towed by another machine, ALWAYS use a wire rope with a sufficient towing capacity.
NEVER allow a disabled
machine to be towed on a slope.
Do not use a chinked or frayed wire rope.
Do not straddle the towing cable or wire rope.
When connecting
up a towing machine, do not let anyone
enter the area between
the towing machine and
the equipment
being towed.
Set the towing machine
and the towing connection
of the equipment
being towed in a straight line when
connecting
it.
Place pieces of wood between the wire ropes and body to protect them from wear of damage.
Never tow the machine using the light-duty towing hole.
Towing method + See 16.2 "METHOD
OF TOWING MACHINE."
Towing Holes
Undercarriage
When towing the machine without the engine running or in the advent of loss of hydraulic
pressure,
its is
necessary
to manually
release the park brake, as follows.
View on transmission
from front
Releasing
the park brake before towing:
1.
Unscrew
the lock nuts on the park
brake
release
bolts
completely
(3
places).
2.
Screw in the park brake release bolts
until the torque increases
sharply. The
park brake is now released.
Resetting the park brake after towing:
1.
Unscrew the park brake release bolts
completely.
Screw in the park brake release bolts
by hand until a contact
can be felt at
the bolt end. Lock the bolts with the
lock nuts.
Park brake release bolts

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Pw170es-6k