Locking Collar Reassembly - Kirby Morgan 77 Operation And Maintenance Manual

Kirby Morgan 77
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8.13.3 Locking Collar Reassembly

Tools Required:
3/8" Slot blade attachment on torque screwdriver
7/8" Open end wrench
1) Inspect the Teflon washers for wear. Replace if
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necessary.
2) Inspect the neck pad. Replace if damaged.
3) Install the T-washers in the recesses in the neck
pad.
4) Slide the neck pad onto the locking collar. The
neck pad must be oriented so that the groove for the
pull strap will be on the inside of the helmet. The
large flange on the neck pad must be on the outside
of the locking collar.
5) Align the neck pad using the previous position of
the mount nuts. Insert the screws and tighten them
with the adjustment nuts.
6) With the helmet resting face down, place the
locking collar in position on the hinge on the bot-
tom of the helmet ring, but do not close the catch
mechanism.
7) Insert the bolt through one of the washers and
through the locking collar hinge just far enough so
that the tip of the hinge pin shows at the first bolt
hole on the locking collar hinge.
8) Slide one of the Teflon
locking collar and hinge block on the rear of the hel-
met ring.
9) Push the bolt through the opening in the washer
and all the way through both hinge blocks until the
tip of the bolt just protrudes from the opening in the
second hinge block.
10) Slide the second Teflon
hinge block and the locking collar.
11) Push the bolt through the opening in the second
Teflon washer and the locking collar until it pro-
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trudes from the locking collar.
12) Install the second washer onto the protruding
hinge pin.
13) Tighten the nut until the bolt threads just pro-
trude past the end of the nylock insert.
148
washers between the
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washer between the
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© ⅯⅯⅩIⅡ Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 130318003
Make sure to re-install the Teflon
The end of the bolt should protrude past the end of
the nylock insert.
washers.
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