User Manual

2. Screw handscrew (4) into the bonnet as far as it

will go.

3. Remove nuts and bolts (18,19 see Fig 3) from

upper diaphragm case (14).

4. Lift diaphragm case (14) while moving the case to

one side so that handscrew disc assembly can be

disengaged from diaphragm nut (8) by passing it

through the slot in the diaphragm nut. (see Fig 4)

5. Remove handscrew (4) from bonnet (7).

NOTE: Clean all parts and replace any that are worn or

damaged.

Reverse Actuator HOD

Reassembly

(see Fig 3)

1. Insert handscrew (4) into bonnet (7) and screw

down through bonnet threads.

2. Insert diaphragm case (14) making sure that

handscrew disc assembly is engaged to diaphragm

nut (8). (see Fig 4)

3. Tighten nuts and bolts (18,19 see Fig 3) into upper

diaphragm case (14).

4. Screw handscrew (4) up through bonnet (7).

5. Place handwheel (3) over stem. Install lockwahser

(2) and tighten nut (1).

Act. Size (see

Fig 1)

Lower Dia.

Casing Bolts (23,24)

Upper Dia. Casing

Bolts (18,19)

35R 15-20 15-20

55R/55AR 30-36 15-20

85R/85AR 30-36 15-20

135R 45-50 15-20

Table 4 - Torque Values (ft-lbs)

Size 1 6

35R 15-20 3-5

55R/55AR 15-20 15-20

85R/85AR 15-20 15-20

135R 30-36 15-20

Table 5 – Torque Values Hand Operating Device (ft-lbs)

NOTE

Ensure that all components being installed are free

from any nicks burrs or defects prior to assembly.