TM-9-2350-247-20-3 Unit Maintenance Manual Volume 3 M548A1 M548A3 Tracked Cargo Carrier Download
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TM 9-2350-247-20-3 SERVICE VEHICLE COMPARTMENT HEATER FUEL PUMP — Continued 0429 00 SERVICE WALBRO 1. Remove three screws (1), cap (2), gasket (3), and strainer (4) from heater fuel pump (5). Discard gasket. 2. Clean cap (2) and strainer (4) with cleaning compound. 3. Check strainer (4). Replace strainer if screen is torn. WARNING Wear safety goggles while using compressed air to prevent eye injury or blindness. 4. Dry heater fuel pump parts with low pressure compressed air. 5. Install strainer (4), new gasket (3), cap (2), and three screws (1) on heater fuel pump (5). FOLLOW-THROUGH STEPS 1. Connect battery negative lead(s) (WP 0292 00). 2. Open heater fuel shutoff valve (see your -10). 3. Start heater (see your -10). 4. Check heater fuel pump for leaks and proper operation. 5. Stop heater (see your -10). 6. Install top left access grille (see your -10 or (WP 0390 00)). 7. Lower cab left center floor plate (WP 0394 00) or (WP 0395 00). END OF TASK 0429 00-3/4 blank