TM 9--2350--292--20--20615 00--1AUXILIARY POWER UNIT UPPER AND LOWER FUEL PUMPSREPLACEMENT (HATZ)0615 00THIS WORK PACKAGE COVERS:Removal, InstallationINITIAL SETUP:Tools and Special ToolsGeneral mechanic’s tool kit (item 1, WP 0717 00)Materials/PartsSealing compound (item 16, WP 0716 00)Adhesive (item 81, WP 0716 00)Adhesive (item 29, WP 0716 00)Lockwashers (2) (item 58, WP 0718 00)Equipment ConditionsAPU assembly removed (WP 0587 00)NOTEPerform Removal steps 1 through 5 and step 11 andInstallation steps 8 through 15 for maintenance of lowerfuel pump.Perform Removal steps 6 through 11 and Installationsteps 1 through 7 and step 15 for maintenance of upperfuel pump.Removal1. Disconnect wiring harness 3W730 wire 76A (1) from lower fuel pump connector (2).CAUTIONDo not attempt to remove elbows (10, 11 and 24) fromfuel pump unless fuel pump is removed from its mount.Damage to fuel pump may result.2. Remove fuel supply quick--disconnect coupling half (3) with connecting ring from lower fuel pump (4).3. Remove fuel return quick--disconnect coupling half (5) with connecting ring and hose (6) from lower fuel pump (4).123456
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