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TM 8-2350-287-20-2
18-11. APU PRIMARY AND SECONDARY FUEL FILTERS REPLACEMENT (continued).
3.
4.
5.
6.
7.
8.
9.
Remove screw (6) and washer (24)
and APU primary fuel filter (17)
from mounting bracket (11).
Remove screw (9) and washer (10)
and APU secondary fuel filter (15)
from mounting bracket (11).
Remove two clamps (16) and two
hoses (5) from two drain cocks (4).
Remove two drain cocks (4) from
two filters (15 and 17).
Pull retainer clip (20). Disconnect
primary fitter input line (21) at quick-
disconnect coupling halves (22 and
23).
Pull retainer clip (14). Disconnect
secondary filter output line (19) at
quick-disconnect coupling halves
(13 and 18).
Remove three screws (7) and
Iockwashers (8) and filter head (12)
and attached parts from mounting
bracket (11). Discard Iockwashers.
b.
DISASSEMBLY
1.
Remove coupling half (22) from connector (30), releasing retainer clip (20).
2.
Remove coupling half (18) from connector (26).
3.
Remove connector (26) from secondary fitter output line (19).
4.
Remove secondary filter output line (19) from injection pump (27).
5.
Remove coupling half (23) from nippIe (29).
18-26
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