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TM 9-2350-287-20-2
18-11. APU PRIMARY AND SECONDARY FUEL FILTERS REPLACEMENT (continued).
d.
INSTALLATION
1.
Install filter head (12) and attached parts on mounting bracket (11) with three new Iockwashers (10) and three
screws (9).
2.
Connect secondary fitter output line (19) by connecting coupling halves (13 and 18). Insert clip of retainer clip
(14) behind knurled release sleeve of coupling half (13).
3.
Connect primary filter input line (21) by connecting coupling halves (22 and 23). Insert clip of retainer clip (20)
behind knurled release sleeve of coupling half (23).
4.
Install air cleaner tube (2) and clamps (1 and 3) on APU.
5.
Place two drain hoses (5) in slot at bottom flange of APU door.
FOLLOW-ON MAINTENANCE:
• Install APU plenum (para 18-17).
• Operate APU and check for leakage (refer to TM 9-2350-287-10).
18-31
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