DeZurik G-SERIES Istruzioni - Pagina 7

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Reassembling the Actuator

G12 UNITS

1. Assemble the drive shaft and handwheel, worm gear, thrust bearing, and bearing race.

2. Install the pin that connects the handwheel drive shaft and the worm gear.

3. Install the pipe plug in the housing.

4. Lubricate the worm gear and the gear sector with Keystone Zeniplex-1, and place the gear

sector on the plug stem in the same position as it was when disassembled.

5. Fasten the actuator cover to the actuator housing.

G16 UNITS

1. Assemble the drive shaft seal housing assembly:

a. Pin the sleeve to the shaft.

b. Install the top bearing, seal housing, and handwheel.

c. Pin the handwheel.

d. Install the lower bearing and threaded collar.

e. Install the set screw in the collar.

2. Lubricate the rack guide, rack and gear sector with Keystone Zeniplex-1.

3. Pin the rack guide in place.

Note: Position the pin so it does not protrude into the housing.

4. Install the gear sector and rack with the proper teeth engaged.

5. Install the drive shaft seal housing.

6. Continue turning the handwheel until the drive shaft seal housing is in place against the actuator

housing flange (marked P), and install the screws.

7. Fasten the actuator cover to the actuator housing.

8. Install the pointer.

August 2012

G-Series Handwheel and Chainwheel Actuators

Page 7

DeZURIK

D10083