6-3 Operation method of the drum lock
Spring pin
Pin
Lock position
(deeper slot)
Release position
(shallower slot)
6-3-1 Activation of the drum lock
1
2
6-4 Replacement of the tools (equipment)
6-4-1 Method of removing the tool (equipment)
2
3
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Spring Balancer Users Manual
Operate the drum lock according to the figure below.
● Do not remove the tool (equipment) attached to the bottom hook until it is
confirmed that the drum is securely locked.
If the drum is locked inadequately, the drum lock may be released during the work.
Then, the wire rope may be quickly wound up, causing an injury.
Remove the spring pin from the release position and move it to the lock position.
Move the tool (equipment) up and down to check that the drum is securely locked.
● Do not move directly under the tool (equipment) suspended from the balancer.
● Do not remove tools (equipment) with the wire rope pulled out. The wire rope may
be quickly wound up, causing an injury.
Confirm that the tool (equipment) can be moved up and down.
Lift the tool and wind the wire rope completely inside the drum.
Remove the tool (equipment).
6-3-2 Activation of the drum lock
1
2
● Do not release the drum lock when the balancer is not loaded or after the tool
(equipment) is replaced with one with a different mass (weight). If the drum lock is
released in such situations, the wire rope may be quickly wound up as soon as the
lock is released, the tool may fall, or an injury may be caused. Attach the tool and
adjust the spring tension before releasing the drum lock.
If the tool has been removed, be sure to attach the removed tool.
Remove the spring pin from the lock position and move it to the release position.
WARNING
WARNING
WARNING
1
