Weld Lens Assembly - Kirby Morgan 77 Operation And Maintenance Manual

Kirby Morgan 77
®

9.3 Weld Lens Assembly

9.3.1 Weld Lens Assembly Installation
Tools Required:
3/8 inch Open End Wrench
1/4 inch Flat Blade Attachment on Torque Screw-
driver
1) Remove the two plug screws from the port retainer.
Refer to the drawing included with the weld lens as-
sembly kit for the remainder of the location numbers.
2) Insert the screws through the weld lens mount
3) With the shield facing out from the helmet or
Remove the two plug screws from the port retainer.
Install the screws through the mount ears.
160
mask, install and tighten the two mount screws into
the port retainer ears.
4) Tighten the two lock nuts on the ends of the hinge
studs so that the welding lens assembly can be flipped
up, but will not fall down from its own weight.
Use only the screws provided with the
Weld Lens Kit for installation of this as-
sembly. Longer screws will damage the
helmet shell and/or the threaded inserts.
This could cause flooding through the
port.
© ⅯⅯⅩIⅡ Kirby Morgan Dive Systems, Inc. All rights reserved. Document # 130318003
Tighten the weld lens assembly.
WARNING