TM 9-2350-277-20-5
REPLACE M13 NBC HEATERS AND MOUNTS (M577A3 ONLY) — Continued
0796 00
7.
If support (17) is damaged, remove two screws (18), lockwashers (19), and support from forward bulkhead. Discard
lockwashers.
NOTE
If removing frame, see Replace Air Purifier and Frame (WP 0776 00).
8.
Remove two screws (1), washers (2), locknuts (3), and clamps (4) from crossbeam. Remove clamps from hose (5).
Discard locknuts.
9.
Remove hose (5) with two grommets (6) from frame (7).
10. If either grommet (6) is damaged, remove damaged grommet from hose (5). Discard grommet.
11. Remove two screws (8), four washers (9), four locknuts (10), and bracket (11) with switch assembly (12) from frame (7).
Discard locknuts.
12. Remove six screws (13), 12 washers (14), six locknuts (15), and frame (7) from welded molding. Discard locknuts.
13. Remove hose (16) and circuit 579C lead (17) from frame (7).
14. Remove circuit 537E, 537D, and 537C leads (18), (19), and (20) from operator’s heaters (21), (22), and (23) respectively.
15. Loosen two clamps (24) and remove inlet and outlet hoses (25) and (26) from heater (21).
16. Loosen two clamps (27) and remove inlet and outlet hoses (28) and (29) from heater (22).
17. Loosen two clamps (30) and remove inlet and outlet hoses (31) and (32) from heater (23).
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