TM 5-4310-379-14
4-12.
Air Shutdown Housing.
This task covers:
a.
Repair
INITIAL SETUP
Tools
Equipment Condition
General Mechanic's Tool Kit
Air shutdown housing removed (para. 3-29).
(NSN 5180-00-177-7033)
Torch Outfit, Cutting and Welding Oxy Acetylene
(NSN 3433-00-026-4718)
Repair.
(figure 4-9)
(1) Remove two screws (1) and lockwashers (2) and remove valve plate (3).
(2) Remove screw (4), lockwasher (5), washer (6) and remove bracket (7), spring (8), and spacer (9).
(3) Remove spring pin (10) and remove spring (11), washer (12), shaft (13), and seal (14).
(4) Remove pin (15) and remove cam (16), washer (17), and seal (18).
(5) Remove fittings (19) and (20).
(6) Inspect all parts and replace any item that is cracked, bent, or otherwise damaged.
(7) Repair cracks in air shutdown housing (21) by welding.
(8) Inspect valve (3) and straighten if bent or replace if cracked or otherwise damaged.
(9) Install fittings (19) and (20).
NOTE
Ensure seals (14) and (18) are seated in counterbores of housing.
(10) Install shaft (13), seal (14), washer (12), spring (11), and spring pin (10).
(11) Install seal (18), washer (1 7), and cam (16) and secure with pin (15).
(12) Install spring (8) in bracket (7).
(13) Install spacer (9) in bracket (7).
(14) Install bracket (7), ensure spring (8) aligns with notch (22) in housing (21) and rotate bracket (7)½ turn
clockwise, and secure with screw (4), lockwasher (5), and washer (6).
(15) Ensure bracket (7) has spring tension on it and is tight against cam (16).
4-24
