(2) Mounting the piston unit, lift stopper, and spring holder
Step Procedure
1 Screw eyebolts into the screw holes (M12 × 2) in the spring holder (No. 59) at the top of
the piston unit, and hoist the unit straight up with a crane.
2 With the piston unit hoisted, assemble the lubricated O-ring (No. 8) and tape liner (No.
7) on the piston (No. 57).
3 Insert the piston unit into the cylinder (No. 21) from the top.
Make sure that the round hole on the rod (No. 58) faces the front.
4 Mount the O-ring (No. 5) for the lift stopper onto the groove on the top of the cylinder
(No. 21).
5 Insert the lift stopper (No. 20) from the top, and connect the stopper and the cylinder
with the long and short hex staybolts, Nos. 4 and 9 (two each). Tighten the ones of the
same length in a diagonal pattern.
6 Pass the long and short hex staybolts (No. 4, No. 9) through the bolt holes in the spring
holder (No. 17).
7 Secure the spring holder (No. 17) in place with four hex nuts (No. 2).
8 Screw the two eyenuts (No. 1) onto the long hex staybolts (No. 4).
z
Actuator without Handwheel
For an actuator without a handwheel, use the procedure described in
"
z
Actuator with
Handwheel", excluding the steps for assembling the handwheel.
7-11
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