Check Securing Of The Winch Load Foot - Manitowoc GHC75 Maintenance Instructions Manual

Load hoist mechanism

Check securing of the winch load foot

I
I I I
201602111636
I Lower winch
position Lift winch
III Lift boom
IV Lower boom
8.3 Check securing of the winch load foot
Personnel
Service Technician
General safety instructions
80
Protective equipment:
1.
2.
3.
4.
5.
V I
I I
Interval
Annually / every 2000 OH
Once every 250 OH / approx. 4-6 weeks after commissioning
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Protective equipment:
Special tool:
1.
2.
GHC75 Telescopic crane
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Park the machine.
Reeve the load hook five times.
Hand a small load on the load hook.
Extend the main boom.
Activate the winch with the right joystick until the pre-set
remaining rope length has been reached on the rope drum
and the hoist rope no longer unrolls from the rope drum.
ð The "sink winch" function is automatically switched off.
The remaining rope length must include 3 rope coils.
Tasks on the winch and its additional devices must only be per-
formed when the machine is stopped and in a load-free state.
Before starting tasks on the winch, safeguard its drive and
additional devices against being switched on unintentionally. In
this process, the system must be mechanically safeguarded
against shaft rotation. Hydraulic and/or pneumatic supply lines
must be depressurized.
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Park the machine.
Secure the machine against being restarted without authori-
zation.
Preliminary
Safety shoes
Protective gloves
Protective clothing
Safety shoes
Protective gloves
Protective clothing
Spanner
Crane Care
21.12.2017