Kirby 37 appendix Reassembly of Emergency Valve, Packing Knob Lock nut Spring

Kirby Morgan 37 & 57

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.

Packing

Knob

Lock nut

Spring

The emergency valve

Installing the packing nut on the valve stem.

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

Valve Body

Valve Stem

Washer

Packing nut

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