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15-43
Installation: Snap ring
• Turn the snap ring in its mounting groove to confirm proper seat-
ing of the ring. After confirmation, loosen the bolt and fit the ring
securely.
Work after installation
Adjustment: Positioning of air cylinder
(1) Full closing position
• Remove the position bolt B, then move the lever all the way in
the illustrated direction.
(2) Temporary tightening of position bolt
• Reinstall the position bolt B, and drive it in until it contacts the le-
ver.
• Mark the position bolt B at that position, give it 5 and half turns,
then tighten the lock nut to secure the position bolt B.
(3) Readjustment for full closing position
• Introduce specified pressure in the air cylinder from the port A,
B, C and bring the air cylinder into the state of full stroke, then
connect the lever to the joint.
• Make sure that the lever is in slight contact with the position bolt
B. If there is an open space between the lever and position bolt
B or the lever is pushing the position bolt B, loosen the lock nut
and make necessary adjustment by turning the shaft. Then,
tighten the lock nut.
• Back up the position bolt B a half turn for a clearance of approxi-
mately 0.5 mm between the bolt and lever, then tighten the lock
nut to secure the position bolt B in that position.
(4) Full opening position
• Release compressed air to bring the air cylinder into the sate of
zero stroke. Adjust the position bolt A for a clearance of 0.5 mm
between the bolt and lever, then tighten the lock nut to secure
the bolt in that position.
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