4-126. HEATER FUEL TANK REPLACEMENT (M373A2D AND M373A5).
This Task Covers:
Z Power disconnected from heater (TM 5-4520-233-14
or TM 5-4520-241-1 4).
Personnel Required: Two
Z General mechanic's tool kit
Z Drain pan
When working on heater fuel tank, the work area must be well-ventilated. Failure to
follow this warning may result In Injury to personnel.
Use a drain pan to catch any draining fuel. Clean up all spills.
Remove drain plug (26) and gasket (27). Drain fuel from tank (25). Discard gasket.
Remove wingnut (24) and Iockwasher (23) from each eyebolt (21 ). Remove two brackets (22) from tank guard
(20). Discard Iockwashers.
Remove six screws (16), Iockwashers (1 5), and flatwashers (14) securing tank guard (20) to mounting supports
(17) and remove tank guard. Discard Iockwashers.
On early M373A2D semitrailers, remove screws and flatwashers securing center tank support to chassis and