TM 55-2840-231-23
6-27.5. Correction Procedures for Engine Fuel Pump Filter Bypass Valve - Continued
a. Test bypass per
paragraph 6-27-4.
items (5) and (6). If by-
pass malfunction is not
corrected by cleaning/
replacing bypass valve,
replace fuel pump.
b. Reinstall fuel
pump in accordance
with paragraph 5-16.
Prior to installing fuel
inlet line to pump, ac-
tuate aircraft boost
pump to purge any
contaminated fuel from
the fuel line.
Change 13
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