DISASSEMBLING AND ASSEMBLING

Procedure of Assembly
( Refer to illustration of Fig.4 )
  1. Install bushing (23) into spring case (21).
  2. Install spindle (15) and spring case on drum.
  3. After making sure that stopper pin (8) is not at a position of drum lock, asemble drum, spindle and spring case into case and set casing cover (27).
  4. Install safety stop arm (13).
    Fasten hex cap screw 14 correctly.
  5. After installation thrust washer onto the end of worm (46),
    assemble worm with turning clockwise direction.
  6. Install cable (30). Fix cable set bolt (44).
 
Load and Inspection of Operation
 

  • Turn worm clockwise direction and wind spiral spring.
  • Suspend spring balancer in position and adjust the balancer (adjust the tension of sprial spring).
    • 2-1).
    		 Attach an equipment on the load hook. (35) and adjust the tension of the spiral spring by turning the worm to take up the length of stroke of cable.
    (It is recommened to set the balancer at a medium position of tension of spiral spring).
    2-2).
    		 Install safety device pin (49). safety device spring (50) and safety device spring screw (51).The upper surface of the safety device spring screw should be adjusted to same level of surface of spring case.
    2-3).
    		 Attach gauge (47), Adjust the indication of gauge with loading weight.
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