AFES Cylinder Bottle Bracket Straps, Brackets and Mounts, Removal and Installation. - Continued

Maintenance of the Automatic Fire Extinguisher System (AFES), M992
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o For crew AFES fire extinguisher, remove the bracket assembly (Item

1) from the canister rack by removal of four nuts (Item 3), four

lockwashers (Item 4), and four screws (Item 5). Discard the removed

lockwashers.

o For crew AFES fire extinguishers no. 1, 3, and 4, you can remove the

bracket (Item 2) from the APU bulkhead of the front crew compartment

bulkhead by the removal of four screws (Item 10) and four

lockwashers (Item 11). Discard the removed lockwashers.

Upon completion of your inspection of the crew AFES bracket straps,

brackets, and mounts for vehicles 1 through 344, correct any faults you may

have found.

You may now install the removed components using the reverse

procedures of the removal process.

For installation of the AFES cylinder

bottles, follow the procedures provided in paragraph 2. Be sure to install

new lockwashers and cotter pins when installing the components.

The fourth and final removal/installation process for crew AFES cylinder

bottle bracket straps, brackets, and mounts apply to vehicles 345 and above.

Use Figure 22 to identify the items referred to in the following

removal/installation procedures.

o Remove the bracket straps (Item 1) from the crew cylinder bottle

brackets nos. 1 through 6 by the removal of two cotter pins (Item

2), two flat washers (Item 3), and two straight pins (Item 4) from

each strap. Discard the removed cotter pins.

o For AFES crew fire extinguisher no. 2, remove brackets (Items 5 and

6) from the canister rack by removal of four nuts (Item 7), four

lockwashers (Item 8), two screws (Item 9), and two screws (Item 10).

o For AFES crew fire extinguisher no. 1, no. 3, and no. 4, remove

brackets (Item 5 and Item 6) from the APU bulkhead on the front crew

compartment bulkhead by removing two

OD1700

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