1. Pull all length of cable (30) out of drum and set stopper pin (8) at a groove (move to position of arrow on illustration of Fig. 3), and lock drum (19).In this condition,cable set-bolt (44) must be a position of illustration of Fig. 3.
2. Take attached equipment off load hook (35).
   (DETACH ATTACHED EQUIPMENT FROM LOAD HOOK AFTER MAKING SURE OF THAT THE DRUM IS LOCKED. OTHERWISE THERE IS A DANGER OF THE CABLE BEING PULLED SUDDENLY IF CONDITION OF LOCK IS INSUFFICIENT)
3. Remove cable set-bolt and take out cable completely from drum.
4. Remove load hook (35), rubber shock absorber (34), adjustable cable stop (52) and adjustable cable stop taper nut (53) from cable. And, exchange damaged or worn-out cable for new one.

  5.  Fix cable complete on drum. The manner of re-assembling of cable complete in reversed order of diassembly.

  6.  Fix cable set-bolt. Mount equipment to be attached on load hook and release stopperpin.

When the spring balancer is to be disassembled the procedure indicated below is recommended (refer to exploded view of spare parrts)

1. Take attached equipment off load hook (35), And detach spring balancer from trolley or beam.
2. Remove gauge (47).
3. Turn worm (46) counter-clockwise direction and loosen spiral spring (20) and remove worm. (worm come off case (1) when spiral spring is loosened completely).
4. Remove hex cap screw (14) and take out safety stop arm (13).
5. Remove cable set bolt (44), and take out cable (30) from drum (19).
6. Remove casing cover (27).
7. Take spring case (21), drum (19) and spindle (15) simultaneously off case.
8. Pull out spindle, and take spring case off drum.
9. Take bushing (23) and safety device pin off spring case.