Cashco PGR-1 Manuel d'utilisateur télécharger pdf (Page 8)

IOM-PGR-1

11. Engage threads of the adjusting screw (47)

into the spring chamber (32) three or four

revolutions and place the spring chamber

over the spring button and spring.

12. Align the match marks on the body and spring

chamber ﬂ anges. NOTE: Vent hole in the

spring chamber should be directly above the

"sense port in the body.

13. Place ﬂ ange bolts through holes in spring

chamber and body and engage nuts (51).

Tighten nuts evenly in a star crossing pattern.

Apply 15 - 18 ft-lbs. torque to ﬁ nsih tightening.

Ensure to secure the name plate (53) under

one of the ﬂ ange bolts (49) above the "inlet"

of the pilot.

14. Rotate adjusting screw (47) CW into the spring

chamber (32) to where the nut (48) comes in

contact with the top of the spring chamber.

Pilot valve set pressure should approach

the set point prior to removal from the piping

installation. Retighten nut (48).

I. Mounting Pilot Valve to Main Valve:

1. Place the bolt holes for the mounting bracket

over the the two longer bolts (23) installed

throught the top of the cover dome (2). Engage

the ﬁ nal two nuts (24) and secure tight.

2, Re-install tubing and ﬁ ttings that previously

connected the inlet ﬁ lter to the stablizer, the

cover dome to the metering valve and the

outlet of the metering valve to the outlet of

the body.

3. Re-connect the external sensing line to the

pilot valve sensing port.

J. Changing the ﬁ lter element:

1. See Section IV.

2. Unscrew the ﬁ lter cover from the body. Re-

move old element and replace with new ele-

ment.

3. Screw cover on ﬁ lter body and secure tight.

WARNING

SYSTEM UNDER PRESSURE. Prior to per form ing any

maintenance, isolate the reg u la tor from the system and

relieve all pressure. Failure to do so could result in per-

sonal injury.

Inlet Filter

K. Disassembly of the Stabilizer:

1. Maintenance procedures hereinafter are

based upon re mov al of the stabilizer from

the pilot. Shut down system in accordance

Section VI.

2. Owner should refer to owner's procedures for

removal, handling, cleaning and disposal of

non reuseable parts, i.e. gaskets, etc.

3. Loosen ﬁ ting and remove tubing that con-

nect the inlet ﬁ lter to the stablizer, Remove

stabilizer from ﬁ ttings that run between the

stabilizer and the pilot.

4. Securely stabilizer body (61) in a vise with

the spring chamber (62) oriented upwards

WARNING

SPRING UNDER COMPRESSION. Prior to re mov ing the

spring chamber, relieve spring com pres sion by back ing

out the adjusting screw. Fail ure to so so may result in

ﬂ ying parts that could cause personal injury.

CAUTION

To prevent damage to body, use soft jaws when securng

the body in a vise. Position so that vise closes over the

inlet and the outlet connections.

ELEMENT

(INSIDE)

BODY

COVER

DIAPHRAGM REPLACEMENT -

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Cashco PGR-1 Manuel d'utilisateur Page 8

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