Fisher Type 1008 User Manual

Type 1008
5
2. Replace the ball (key 33), handwheel (key 28), and
handwheel cap (key 32), then tighten the set screw in
the handwheel cap.
3. Replace one of the thrust bearings (key 2) in the
gear case (key 1) making sure that the bearing race
with the smaller inside diameter is adjacent to the
worm gear web.
4. Screw the worm gear (key 3) on the stem screw
assembly (key 38) and place them in the gear case
(key 1).
5. Install the other thrust bearing (key 2) on the worm
gear (key 3), making sure that the bearing race with
the smaller inside diameter is adjacent to the worm
gear web.
6. Replace the bearing and gear retainer (key 4).
7. Install the retaining flange (key 35) making sure
that the key (key 36) fits in the slot on the retaining
flange.
8. Adjust the six set screws (key 13) to eliminate end
play (movement along the axis of the stem screw as-
sembly) in the thrust bearings, while allowing adequate
movement.
9. Replace the gear case cover (key 11) and cap
screws (key 12).
10. Replace the stem connector assembly (key 24).
11. Refer to the Installation procedures for instruc-
tions on connecting the valve plug stem to the actuator
stem screw assembly (key 38).
For Size 100:
1. If the worm shaft (key 9) was removed during dis-
assembly:
a. Replace the worm shaft with the ball bearing
(key 8) and the front worm retainer (key 7).
b. Adjust the worm retainer to eliminate end play
(movement of the worm shaft along its axis) while
allowing adequate movement.
c. Tighten the set screw (key 10) on the front re-
tainer.
2. Replace the key (key 16), handwheel (key 28), and
retaining ring (key 17), then tighten the set screw in
the hub of the handwheel.
3. Replace one of the thrust bearings (key 2) in the
gear case (key 1) making sure that the bearing race
with the smaller inside diameter is adjacent to the
worm gear web.
4. Screw the worm gear (key 3) on the stem screw
assembly (key 38) and place them in the gear case
(key 1).
5. Install the other thrust bearing (key 2) on the worm
gear (key 3), making sure that the bearing race with
the smaller inside diameter is adjacent to the worm
gear web.
6. Replace the bearing and gear retainer (key 4).
7. Replace the gear case cover (key 11) and fasten
with the cap screws (key 12).
8. Adjust the six set screws (key 13) to eliminate end
play (movement along the axis of the stem screw as-
sembly) in the thrust bearings, while allowing adequate
movement.
9. Replace the stem connector assembly (key 24).
10. Refer to the Installation procedures for instruc-
tions on connecting the valve plug stem to the actuator
stem screw assembly (key 38).
Reversing Handwheels
Refer to the previous Disassembly and Assembly sec-
tions in this manual for additional instructions, as
needed.
To reverse Type 1008 handwheel actuators sizes 30,
40, or 50, substitute left– or right–hand screw assem-
blies (key 38) . The standard size 100 is not revers-
ible. To reverse size 80, refer to figure 4 while per-
forming the following procedures:
1. Loosen the three set screws (key 10) in the gear
case (key 1) and handwheel cap (key 32).
Note
Be careful not to lose the ball (key 33)
and spring (key 34) as the handwheel is
removed.
2. Unscrew the handwheel cap (key 32) and remove
the handwheel (key 28).
3. Remove the front worm retainer (key 7), ball bear-
ing (key 8), and worm shaft (key 9).
4. Remove the back worm retainer (key 6) and ball
bearing (key 8).
5. Screw the back worm retainer (key 6) and ball
bearing (key 8) into the opening in the gear case (key
1) where the front worm retainer is located.
6. Replace the front worm retainer (key 7) and ball
bearing (key 8).
7. Replace the spring (key 34) and ball (key 33),
handwheel (key 28), and handwheel cap (key 32).
8. Tighten the three set screws (key 10) in the gear
case (key 1) and handwheel cap (key 32).

Fisher Type 1008 Specifications

General

Brand	Fisher
Model	Type 1008
Category	Controller
Language	English