Kirby Morgan 37 User Manual

Page 9

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© Copyright 1970-2008 Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 080508001

Kirby Morgan 37 & 57

Installing the packing nut on the valve stem.

5) To remove the emergency valve body from the

side block the one way valve assembly must first be

removed.

6) If the emergency valve body was removed, clean

and inspect the pipe thread and inspect for damaged

threads, cracking or distortion. Replace the emer-

gency valve if any damage is present.

Re-tape threads with Teflon tape, 11/2 wraps starting

two threads back, tighten using good engineering

practice. To reinstall the emergency valve body onto

the side block, the one-way valve assembly must be

removed first.

7.5.3 Reassembly of Emergency Valve

1) Lightly lubricate the stem threads in the body as

well as the bonnet threads.

2) Replace the washer and packing on the stem , then

lightly lubricate the stem shaft and threads.

NOTE: There are two different packing (s) and

washers supplied in the kit (525-311), for rebuild-

ing both the older style and the newer high flow

emergency gas valve. Match the removed packing

and washers to the new ones supplied and discard

the others.

3) Holding these components in place on the stem,

screw the stem into the emergency gas valve body.

4) Rotate the stem until it is seated all the way in then,

back it out -1/2 turn.

5) Thread the packing nut onto the emergency valve

body. Run the nut in and tighten slightly with a

wrench.

6) Inspect the emergency gas valve knob for wear and

damage. Ensure the flats that engage the valve stem

shaft are not rounded, cracked or damaged. The valve

knob should not have rotational play greater than 1/8th

of a turn.

NOTE: This knob is not interchangeable with the

defogger valve knob.

7) Place the emergency gas valve knob onto the stem

The emergency valve

Valve Body

Valve Stem

Packing nut

Knob

Spring

Lock nut

Packing

Washer

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