Kirby Morgan 37 - Manual (Page 12)

79
Kirby Morgan 37 & 57
© Copyright 1970-2008 Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 080508001
7.6.4 Installation of the
Bent Tube Assembly
Tools Required:
11/16 inch Open-end Torque Wrench Attachment
7/8 inch Open-end Torque Wrench Attachment
7/8 inch Open-end Wrench
Normal minimum replacement parts during over-
haul:
O-ring, Teflon ® ring
1) Lightly lubricate the bent tube O-ring and install
in the O-ring groove at the regulator end of the bent
tube, then install new Teflon® O-ring at the side
block end.
2) Push the regulator end of the bent tube assembly
into the inlet nipple. Slide it in until the side block
end of the tube is aligned with the threads for the
mount nut.
3) Be sure the Teflon ® O-ring is in place on the side
block end of the bent tube, then engage the threads
on the tube to the side block and hand tighten.
4) Start the “regulator to bent tube” mount nut onto
the inlet nipple of the demand regulator and run it in
by hand as far as it will go.
NOTE: Run the mount nut up on the inlet nipple
hand tight only.
5) Using a torque wrench, tighten the bent tube assem-
bly mount nut onto the side block to (100 inch lbs).
6) Hold the mount nut on the end of the bent tube
with a wrench and tighten the jam nut against it with
a torque wrench to 40 inch pounds.