FREE Manual unlocking cam Brake arm Brake spring Lock nut Brake piston Cam guide “LOCK” and “FREE” are marked on the cam guide. How to Manually Disengage the Lock and Change from the Unlocked to the Locked State How to Change from Unlocked to Locked State Manually Unlocking The lock is manually disengaged at the time the cylinder is shipped from the factory. Because the lock will not operate in this state, make sure to change it to the locked state before operation, after having adjusted the axial center for installation. 1. Series CLJ2, CLM2, CLG1 1) Loose locking nut. 2) Turn the wrench flats section of the manual unlocking cam to the LOCK position that is marked on the cam guide. 3) While keeping the wrench flats section in place, tighten the lock nut. Note) The manual unlocking cam will rotate approximately 180°. Do not rotate the wrench flats section excessively. Locked state Manually unlocked state The lock of a fine lock series cylinder can be disengaged manually through the procedure described below. However, make sure to disengage the lock pneumatically before operating the cylinder. Note) Manual disengagement of the lock could create a greater cylinder sliding resistance than pneumatic disengagement of the lock. 1. Series CLJ2, CLM2, CLG1 1) Loose locking nut. 2) Supply air pressure of 0.3 MPa or more to the lock release port. 3) Turn the wrench flats section of the manual unlocking cam until it stops at the FREE position that is marked on the cam guide. 4) While keeping the wrench flats section in place, tighten the lock nut. Warning 1. Never operate the unlocking cam until safety has been confirmed. (Do not turn to the FREE side.) . When unlocking is performed with air pressure applied to only one side of the cylinder, the moving parts of the cylinder will lurch at high speed causing a serious hazard. . When unlocking is performed, be sure to confirm that personnel are not within the load movement range and that no other problems will occur if the load moves. 2. Before operating the unlocking cam, exhaust any residual pressure which is in the system. 3. Take measures to prevent the load from dropping when unlocking is performed. . Perform work with the load in its lowest position. . Take measures for drop prevention by strut, etc. Note) For details about how to manually unlock the lock-up cylinder (o40 to o100) and change from the unlocked state to the locked state, refer to page 750. 705 Series CL Specific Product Precautions 4 Be sure to read before handling. The precautions on these pages are for the fine lock cylinders and the lock-up cylinders. For general actuator precautions, refer to Actuator Precautions on pages 3 to 7. CLJ2 CLM2 CLG1 CL1 MLGC CNG MNB CNA2 CNS CLS CLQ RLQ MLU MLGP ML1C D-�ｮ -X�ｮ