TM 55-1520-240-23-10
13-6.1
ASSEMBLE HEATER (AVIM)
(Continued)
13-6.1
29.
Insert jacket tongue (34) in self-locking groove
(35) of jacket seam (36).
30.
Install three screws (37) and nuts (38) in jacket
seam (36) to secure jacket (33). Do not tighten
screws at this time.
31.
Install flange (39), two gaskets (40), and
combustion plate (41) on jacket (33). Install four
screws (42). Lockwire screws. Use lockwire
(E230).
32.
Tighten screws (37) and nuts (38) in jacket seam
(36).
If new flange is to be installed, cover
all openings in combustion chamber
and jacket before drilling to prevent
contamination.
33.
Remove tags and install upper and lower flanges
(43) on jacket (33). If flange is new, make sure
face of flange is square with jacket within 0.03
inch. Then drill holes through flange to match
holes in jacket.
34.
Align index marks on flange (43) with marks on
jacket (33).
35.
Install 11 rivets (44) in each flange (43).
13-43
