Locking Collar - Kirby Morgan 77 Operation And Maintenance Manual

Kirby Morgan 77
®

8.13 Locking Collar

Proper function of the locking collar is essential
since this device helps hold the helmet on the div-
er's head.
8.13.1 Locking Collar Removal
Tools Required:
9/16 inch Open End Attachment on Torque Wrench
(or box wrench & socket)
9/16 inch Open End Wrench
If the locking collar is damaged through careless
handling it may need to be replaced.
1) Use the two open end wrenches to remove the
bolt from the collar.
Slide the bolt out from the hinge, taking care not to
lose the Teflon washers.
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2) Slide the bolt out of the hinge. Take care not to
lose the two Teflon washers that sit between the
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locking collar and the rear hinge mounts on the hel-
met ring.
3) Turn the sealed pull pins until they are disen-
gaged and lift the locking collar away.
4) Clean all parts that will be reused.
Loosen the bolt to remove it from the hinge.
146 © ⅯⅯⅩIⅡ Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 130318003