Flowserve 1400 Valtek Logix - Manual (Page 11)

46-11 Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611
Linear Mark I Valve Mounting (Figure 13)
The tools required for the following procedure are:
9 /
16
-inch open-end wrench
7 /
16
-inch box wrench
3 /
8
-inch open-end wrench
1. Remove washer and first nut from follower pin
assembly. Insert pin into the appropriate hole in the
follower arm, based on stroke length. The stroke
lengths are stamped next to their corresponding
holes in the follower arms. Make sure the unthreaded
end of the pin is on the stamped side of the arm.
Reinsert lock washer and tighten nut to complete
follower arm assembly.
2. Slide the double-D slot in the follower arm assembly
over the flats on the position feedback shaft in the
back of the positioner. Make sure the arm is pointing
toward the field terminations side of the positioner.
Slide lock washer over the threads on the shaft and
tighten down the nut.
3. Align the bracket with the three outer mounting holes
on the positioner. Fasten with 1 /
4
-inch bolts.
4. Screw mounting bolt into the hole on the yoke
mounting pad nearest the cylinder. Stop when the
bolt is approximately
3 /
16
-inch from being flush with
mounting pad.
5. Slip the large end of the teardrop-shaped mounting
hole in the back of the positioner/bracket assembly
over the mounting bolt. Slide the small end of the
teardrop under the mounting bolt and align the lower
mounting holes.
6. Insert lower mounting bolt and tighten the bolting.
7. Slide the appropriate pin slot on the take-off arm,
based on stroke length, over the follower arm pin.
The appropriate stroke lengths are stamped near
each pin slot.
8. Position the take-off arm mounting slot against the
stem clamp mounting pad and insert take off arm
bolting.
9. Center the take-off arm on the rolling sleeve of the
follower pin.
10. Align take-off arm with top plane of the stem clamp
and tighten bolting.
Figure 13: Linear Mark I Control Valve Mounting
Logix 1400 Positioner
Positioner
Bolts
Nut
Lock Washer
Nut
Follower Pin
Take-off Arm
Bolts
Stem Clamp
Bracket Bolts
Bracket
Locknut
Washer
Follower
Arm
Nut
Metal
Washers