Flowserve 1400 Valtek Logix - Manual (Page 12)

46-12 Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611
Standard Rotary Mounting Procedure
(Figure 14)
The standard rotary mounting applies to valve/actuator
assemblies that do not have mounted volume tanks or
handwheels. The standard mounting uses a linkage
directly coupled to the valve shaft. This linkage is not
affected by misalignment between the positioner and the
actuator.
The tools required for the following procedure are:
two 5 /
16
-inch open-end wrenches
3 /
16
-inch box-end wrench
1 /
2
-inch end wrench phillips driver
1. Fasten spline lever adapter to splined lever using two
No. 6 x 1 /
2
-inch long self tapping screws.
2. Slide take-off arm assembly onto spline lever adapter
shaft and tighten nut with 5 /
16
-inch end wrenches so
arm is snug on shaft but still able to rotate. This will
Figure 14: Standard Rotary Mounting
Positioner Bolts 1 /
4
-20 (4)*
Bracket Bolts 5 /
16
-18 (2)
* Located in appropriate
hole pattern as indicated on
bracket. (25, 50, 100/200)
Follower Arm,
Rotary
Lock Washer (2)
Bolt No.10-32
Nut No.10-32
Self Tapping
Screws (2)
Spline Lever
Adapter
Nut No.10-32
Lock Washer
Follower Arm
Logix 1400 Positioner
be tightened after the linkage is correctly oriented.
3. Attach follower arm to positioner feedback shaft
using the star washer and No. 10-32 nut.
4. Using four 1 /
4
-20 x .50 L. bolts and 7 /
16
-inch box
wrench, fasten positioner to universal bracket using
appropriate hole pattern (stamped on bracket).
5. Using a 1 /
2
-inch box wrench and two 5 /
16
-18 x .50 L.
bolts, attach bracket to actuator transfer case pad,
noting that the take-off arm pin must slide into slot on
follower arm. Leave these bolts slightly loose until
final adjustments are made.
6. Adjust bracket position noting the engagement of the
take-off arm pin and the follower arm slot. The pin
should extend approximately
3 /
16
-inch past follower
arm. When properly adjusted, securely tighten the
bracket bolting.