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®
SuperLite
17B
The Side Block assembly and it's
associated parts.
Side block
O-ring
Plug
O-ring
Bent tube
7.4.3 Reassembly of the Defogger Valve
Tools Required:
3/8 inch Slotted Flat Blade Screwdriver
13/16" Open End Attachment on Torque Wrench
Minimum recommended replacement parts during
overhaul:
Washers, O-rings
1) Screw in the new seat assembly until it is even with
the front of the side block body.
2) Next, install the Teflon
the stem.
3) Insert the proper end of the stem into the seat
assembly and turn clockwise until the seat lightly
bottoms out. Leave the stem in place.
4) Lubricate the O-ring and install on the bonnet.
5) Slide the bonnet over the stem and thread the bon-
net into the side block.
6) Tighten the bonnet with a torque wrench to 100
inch lbs.
7) Place the new Teflon
®
on the stem and rotate the stem counterclockwise until
the seat assembly tops out fully open. The control
knob must turn smoothly without any binding.
70
Stud
Seat
O-ring
washer and O-ring onto
®
washer and the control knob
© ⅯⅯⅩⅡ Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 120613005
Valve stem
O-ring
Washer
Binding (or "hard spots") in the rotation could be an
indication of a bent stem that should be replaced. Re-
place the knob and or stem if the fit allows the valve
to rotate loosely more than 1/8
8) Install the new Teflon
the spring, and locknut. Tighten the locknut until it
is flush with the knob.
Note: The procedures are the same for the "A" sideblock.
Washer
O-ring
Bonnet
Knob
Spring
Locknut
of a turn.
th
washer, new knob, and
®
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