Remove Indicator (32) and Indicator screws
(31).
Drive assembly / Drive Body Cover
Spring return actuator:
Slowly remove the diaphragm cover screws
(19).
Remove the diaphragm (21) as needed.
Inspect the diaphgram for damage or wear
and replace as needed.
Remove actuator from the valve and valve
mounting bracket (if needed).
7) ACTUATOR DISASSEMBLY
EXTREME CAUTION SHOULD BE USED
WHEN DISASSEMBLING
SPRING DISASSEMBLY SHOULD NOT
BE ATTEMPTED.
THE SPRING ASSEMBLY IS UNDER
TENSION AND COULD POSE A DANGER
TO PERSONNEL.
Remove Diaphragm Bolt (27) and
diaphragm washer (28) to remove the
diaphragm.
It is recommeneded that the Spring assembly
be removed by J Flow Controls, LLC. If the
Spring Asssembly must be removed, please
contact J Flow Controls for detailed Instructions
on Safe Disassembly.
Remove Bolt Drive Body bolts (6) and
drive cap (2) to remove the
diaphragm.
Reverse side- Remove NAMUR Shaft
(25). The bolt holding the NAMUR
shaft in place may have to be
removed from either side (26).
Inspect the bearings (5) for excessive
wear. Replace as needed.
Drive Stem Removal
Loosen the lower (9) jam nut on the
stem. Using a wrench, hold the
square block adapter (8).
Using a Hex wrench, loosen the Drive
Pin (7). Using a wrench, hold the
square block adapter (8).
Remove the Drive Pin (7). Rotate the
drive arm away from the stem(8) and
block (9). Remove from housing.
Inspect the two TFE wear bearings (4).
Replace if needed.
Loosen the jam nuts (22) and Upper and
Lower adjusting screws counter- clockwise
(23) until the tension is removed.
CAUTION: TO REPAIR OR INSPECT
THE LOWER ASSEMBLY, SUPPLY
PRESSURE TO THE DIAHRAGM
MUST BE APPLIED (50%).
THE FOLLOWING SECTION SHOULD
ONLY BE ATTEMPTED IF THE
ACTUATOR IS "STICKING" OR IS IN
NEED OF INSPECTION
