PHOTO APPENDIX
ROLLNLOCK
Sheave position pin.very worn (left). See difference
compared to new pin (right).
Locking cam with worn teeth: the damaged parts are
evident (lighter-coloured and smooth).
Fixed side plate bent so that it can no longer be
attached properly to the moving side plate (perhaps
the device has been used without the moving side
plate correctly connected).
Locking cam which doesn't automatically return to
position.
Clean with compressed air, wash with soap
and water and lubricate with silicon-based oil spray. If
the problem is not completely resolved, scrap the device.
Sheave position lever does not automatically return
to position (right): you see the difference compared
to a device with the lever correctly functioning (left).
Locking cam with worn teeth (left): see difference
compared to new device (right).
Moving side plate does not return by itself to aligned
position and doesn't snap over bushing.
Pulley with scoring/wear on metallic surface.
PRO12-2D652CTEN_rev.7 09-19