Retractor/Users manual
33
7.
Troubleshooting
7-1 Countermeasures
WARNING
Do not remove the tool (equipment) attached to the wire rope end until the cause of
the failure is identified. If the tool (equipment) is removed, the wire rope may be
quickly wound up, causing an injury.
C A U T I O N
If you notice anything unusual, stop the operation immediately. After checking the
items listed in the table below, appropriate measures should be taken by a
maintenance operator who has developed sufficient knowledge and operating skill
for the retractor.
If the situation does not relate to any of the listed items in the table below, contact
us or your dealer.
Failure
Reason
Measure
The wire rope cannot be
pulled out or wound.
The spring has been
ruptured.
Replace the spring.
The wire rope cannot be
pulled out.
The spring tension is
increased too much and
the spring has been
tightly wound.
Decrease the spring tension.
See “5-2-2 Installation of tools
(equipment) and adjustment of the spring
tension”
The spring tension is
decreased too much and
the fall-arrest device has
been activated.
Release the fall-arrest device.
See “6-4 Release of the ratchet device
(ERM-4S, ERM-6S, ERM-8S)”
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