TM 5-4220-226-14&P
4-19. Muffler/Air Train Assembly Maintenance.
This task covers:
a.
Removal
b.
Cleaning and Inspection
c.
Installation
INITIAL SETUP
Tools
Materials Required (continued)
Tool Kit, General Mechanic's (item 4, appx B)
Warm Fresh Water (item 4, appx E)
Materials Required
Equipment Conditions
Soft Bristle Brush (item 1, appx E)
Clean, Unt-Free Cloths (item 2, appx E)
Helmet liner removed (para 4-23).
Nonionic Detergent (NID Solution) (item 3, appx E)
a. Removal
(1) Place helmet on clean workbench.
(2) Remove nut (1) and washer (2) from side block stud.
(3) Remove muffler/air train (3) from side block stud.
4-23
