J Mounting Adaptation - Emerson Fisher 1051 Instruction Manual

1051 and 1052 Size 33 Actuators
June 2017
9. Make sure that the travel indicator pointer matches the ball or disc position. Remove and install in the proper
position if necessary.
10. Refer to the table of contents for accessory installation procedures.

J Mounting Adaptation

Unless otherwise specified, key numbers referenced in the following procedures are shown in figure 9 for the 1051
actuator and in figure 10 for the 1052 actuator. Unique parts used for the J mounting adaptation are shown in figure
13 for single stub shaft construction and in figure 14 for dual stub shaft construction.
1. If the actuator is mounted on a valve body and it is necessary to change mounting style or position, the actuator
must be separated from the valve body. Proceed to the disassembly portion of the Changing or Replacing Actuator
Lever procedure, observe all warnings, perform steps 1 through 6, and return to step 2 which follows.
2. Refer to figure 2 for available mounting styles and positions. The actuator is normally mounted vertically on a valve
body that is installed in a horizontal pipeline.
3. If it is necessary to install or change stub shaft(s), the actuator lever (key 27) must be removed. Perform all
applicable operations in the Disassembly portion of the Changing or Replacing Actuator Lever procedure. Install the
stub shafts for the construction desired as shown in figure 13 and reassemble the actuator.
4. Determine whether the actuator mounting yoke (key 22) will be mounted on the housing cover assembly (key 33)
or on the actuator housing boss. If the desired mounting position and style requires moving the mounting yoke and
travel indicator components to opposite sides of the actuator, remove the travel indicator components, the valve
shaft coupling (key 80 for 1051, or key 90 for 1052), cap screws (key 23), and the mounting yoke. Install the
mounting yoke in the desired position (on the housing cover assembly or on the actuator housing boss). See table 2
for recommended torque for the mounting cap screws. Install the valve shaft coupling on the actuator stub shaft.
Install the travel indicator components on the opposite side of the actuator. See figure 14 for travel indicator
components used with wrench‐operated extensions and manual actuators.
5. Before coupling the valve to the actuator, position the valve ball or disc as follows:
For push‐down‐to‐close action, the valve ball or disc should be in the fully open position.
For push‐down‐to‐open action, the valve ball or disc should be in the fully closed position (see the valve body
instruction manual).
6. The valve shaft coupling (see figure 4) has two keyways lettered A and B (the letters C and D on the coupling are not
used and may be disregarded). Align the appropriate keyway with the keyway in shaft of the operated equipment.
When used with a Fisher butterfly valve body, refer to the table and illustration in figure 4 for proper orientation of
the coupling and valve shaft. Install the woodruff key (key 81 for 1051, key 91 for 1052) in the valve shaft keyseat,
lubricate the inside of the coupling, and slide the valve shaft into the coupling.
7. Install the valve mounting cap screws, washers, and nuts and tighten to the torque value given in the appropriate
valve body instruction manual.
CAUTION
When adjusting the travel stop for the closed position of the valve ball or disc, refer to the appropriate valve body
instruction manual for detailed procedures. Undertravel or overtravel at the closed position may result in poor valve
performance and/or damage to the equipment.
8. Adjust the up travel stop so that the valve ball or disc is in the desired position.
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Instruction Manual
D101322X012