
Instruction Manual
D100324X012
1061 F & G Actuator
October 2012
16
Figure 6. Locking Mechanism (Size 80 and 100)
MOUNTING PLATE
ASSEMBLY
(KEY 123)
SAFETY
LOCKOUT
(KEY 130)
LOCKSCREW
(KEY 131)
MODIFIED
HOUSING
(KEY 21)
LEVER
(KEY 28)
CAP SCREW
(KEY 123)
(4 REQ'D)
PADLOCK
(CUSTOMER
SUPPLIED)
44B0457-A
A6809
4. Make sure that the bolt is n ot threaded in so far that it will interfere with re-assembly of the actuator.
5. Be sure the actuator piston rod is retracted fully. This will be the locked position of the valve. For a
push-down-to-close valve and actuator, the valve will be fully open when locked. For a push-down-to-open valve
and actuator, the valve will be fully closed when locked.
6. Screw the threaded bolt into the housing until it contacts the actuator lever cap screw.
7. Insert the padlock (not furnished) to connect the mounting plate (key 123) with the lower locking disk on the
mounting plate assembly (key 124). You might have to back off the lower locking disk a slight amount to line up the
holes for the padlock.
8. Tighten the jam nut (key 128) against the mounting plate.
9. Refer to the Operating the Locking Mechanism section.
For Size 80 & 100 Actuators
1. Attach the mounting plate (key 123) to the modified housing (key 21) as shown in figure 6. Attach it with the four
cap screws (key 129).
2. Thread the lockscrew (key 131) into the mounting bracket.
3. Make sure that the lockscrew is not threaded in so far that it will interfere with re-assembly of the actuator.
4. Be sure the actuator piston rod is retracted fully. This will be the locked position of the valve. For a
push-down-to-close valve and actuator, the valve will be fully open when locked. For a push-down-to-open valve
and actuator, the valve will be fully closed when locked.
5. Screw the lockscrew into the housing until it contacts the actuator lever (key 28).
6. Screw the safety lockout (key 130) onto the mounting plate (key 123) until finger-tight. T hen back it off until the
holeinthearmofthesafetylockoutalignswiththeholeinthemountingplateforthepadlock.
7. Insert the padlock (not furnished) to connect the mounting plate (key 123) with the arm of the safety lockout (key
130). If the shackle of the padlock does not seem long enough, do not attempt to modify the actuator. The larger
1061 sizes may require a padlock with a longer shackle.
8. Refer to the Operating the Locking Mechanism section.
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