Furukawa Unic URW376C4U -T Series, Operation & Maintenance Manual

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HOW TO OPERATE CRANE
2.
◆
Operation in an emergency
Set bolt
★
Be sure to tighten up the set bolt has been tightened.
★
In this situation, safety devices such as engine speed control, auto-
matic stop are not functioning so that careful operation is needed.
★
Since this is a measure when in an emergency, be sure to repair the
crane at an authorized UNIC service shop after it has been stored.
Procedure 1
If the crane fails to be operated by manual
control, operate the crane by taking proce-
dures as follows:
①
Disconnect the power connector [CRANE
POWER] located under the control valve.
②
Check that all manual control levers are at
their neutral positions.
If a lever has been caught in halfway,
return it to its neutral position.
③
Loosen the hexagon nut attached to the
lower part of the control valve and then
tighten the locked set bolt until tight.
This allows the crane to be operated.
CAUTION
Power connector
[CRANE POWER]