TM-9-2350-247-20-2 Unit Maintenance Manual Volume 2 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-2 REPLACE ELECTRIC FUEL PUMPS — Continued 0151 00 REMOVAL NOTE Electric fuel pumps for M548A1 and M548A3 are removed and installed the same way. M548A1 electric fuel pumps are located just inside power plant rear access door. M548A3 electric fuel pumps are located on left side box beam in engine compartment. There are two types of electric fuel pumps: the Bendix/Facet and Walbro. Both models are tested, removed, and installed the same way. The Bendix/Facet is shown. Before replacing electric fuel pump, do flow test (WP 0148 00). Removal procedures for the left and right electric fuel pumps are the same. The left fuel pump is shown. 1. Disconnect circuit 77A lead (1) from left fuel pump capacitor (2). 2. Disconnect fuel inlet hose (3) from adapter (4) and fuel outlet hose (5) from adapter (6). 3. Remove two screws (7), three lock washers (8), left fuel pump (9) with capacitor (2) and bracket (10), and fuel pump bracket (11) from mounting blocks (12). Discard lock washers. 4. Remove elbow (13) and elbow (14) from left fuel pump (9). 0151 00-2