Руководство Пользователя для efd 725hf
Valve Disassembly and
Reassembly Procedures
Reassembly Procedures
Shoulder "A"
Sealing head
#72603 (stainless steel)
#72612 (Teflon
#72603 (stainless steel)
#72612 (Teflon
®
-coated
stainless steel)
Body cap
with O-ring
#72602-SS
(stainless steel)
#72610-A
(acetal copolymer)
with O-ring
#72602-SS
(stainless steel)
#72610-A
(acetal copolymer)
Shaft
#72604 (stainless steel)
#72611 (Teflon
#72604 (stainless steel)
#72611 (Teflon
®
-coated stainless steel)
O-ring only
#72609-A
(acetal copolymer)
(acetal copolymer)
#72601-SS
(stainless steel)
(stainless steel)
Fluid body
Fluid fitting
#72608P
#72608P
Diaphragm
#72536
#72536
1
2
3
5
8
1. Put threaded rod in mounting hole.
2. Remove body cap.
3. Remove sealing head.
*
4. With a wrench on the flats of the
air cylinder body, turn to loosen
fluid body.
fluid body.
5. Remove fluid body.
*
6. Remove input air hose from push-
in fitting on air cap.
7. Insert 1/8” hex wrench through air
inlet hole in cap and turn shaft,
locking screw out two turns.
locking screw out two turns.
*
8. Using the hex on the shaft,
unthread shaft, and remove
shaft and diaphragm.
shaft and diaphragm.
*
9. Unscrew air cylinder cap from air
cylinder body.
*
10. Remove piston and spring.
Note: Before reassembling valve,
clean all parts, replace O-rings,
sealing head and diaphragm.
clean all parts, replace O-rings,
sealing head and diaphragm.
Inspect for damaged threads, piston
pins for straightness and fluid body
seat for pitting.
seat for pitting.
Reassemble the valve in reverse order
of disassembly. Lubricate parts indi-
cated with Nye Lubricant #865 included
in the General Maintenance Kit.
cated with Nye Lubricant #865 included
in the General Maintenance Kit.
CAUTION: To prevent damage, the valve
must be disassembled starting at the fluid
outlet end of the valve.
must be disassembled starting at the fluid
outlet end of the valve.
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