11
17
Breakdown
Probable cause
Remedy
The right hand handle (21) turns in
the lifting
- The end of the wire rope is not
- Use a wire rope with a good
direction, but the wire rope does
well formed. See Fig. 4
fused and tapered end.
not engage around the drive
- The drive pulley or clamping
- Return the hoist to an approved
pulleys.
system is worn or has failed.
repairer.
The SCAFOR™ operates in the lifting Failure within the hoist.
Return the hoist to an approved
direction but the seat does not lift.
repairer.
The left hand handle does not lock
The locking system is faulty.
Return the hoist to an approved
automatically when the right hand
repairer.
handle is in the low position.
On lifting the angle formed by the
The brake lining is worn.
Return the hoist to an approved
two handles is normally 180°.
repairer.
After many hours operation
this angle reduces to 150°.
(see Fig. 11.).
Nothing happens if a sharp pull is
Faulty internal overspeed
Have the fall arrest device serviced
applied to the fall arrest wire rope;
mechanism.
by an approved repairer.
i.e. no sudden stop (see Fig. 12).
5.
TROUBLESHOOTING
This chapter contains instructions about identifying and locating faults on platforms fitted with SCAFOR™ hoists.
Minimum
angle
150°
SCAFOR™ hoist
Fig. 11 -
Fall arrest BLOCFOR™ device with winder
Fig. 12 -
Sharp pull
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