TM 9--2350--292--20--20617 00--2AUXILIARY POWER UNIT FUEL SYSTEM LINES AND FITTINGSREPLACEMENT (HATZ) -- CONTINUED0617 00Removal--Continued1. Remove fuel supply quick--disconnect coupling half (1) and connecting ring (2) from elbow (3) on lower fuel pump(4).2. Remove fuel return quick--disconnect coupling half (5), connecting ring (6) and hose (7) from elbow (8) on lowerfuel pump (4).3. Loosen hose clamp (9) and remove hose (10) with fitting (11) from outlet side #4 of fuel/water separator (12).4. Remove hose clamp (13) and remove hose (10) and fitting (14) from elbow (15) on upper fuel pump (16).NOTEHose fittings are barbed. Perform step 5 only if replacinghose or barbed fittings.5. Separate barbed fittings (11 and 14) from hose (10). Remove hose clamps (9 and 13).6. Remove quick--disconnect coupling half (17), hose (18) and elbow (19) from input side #3 of fuel/water separator(12).7. Loosen hose clamp (20) and remove hose (21) with barbed fitting (22) from upper fuel pump (16).8742316516222021191817119101314151216
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