2-145. HEATER ASSEMBLY REPLACEMENT (MODEL MHE-271 ONLY)
This task covers: Removal, Cleaning, Inspection, and Installation
Tools and Test Equipment:
General Mechanics Tool Kit (1, App. E) Batteries disconnected (para. 2-78)
Drain Pan (10, App. E)
Electrical shock hazard. Disconnect
battery ground cable or power source
components. Failure to heed warning
could cause shock, injury or death. If
electrical shock occurs, administer first
Do not remove heater hoses when engine is hot. Hot
water could flow out and burn you.
Tag and disconnect electrical wiring from heater
Close heater shutoff valve (2) by turning valve
Place container beneath heater hoses during
removal to catch residual fluids.
Tag and disconnect hoses (3, 5) from heater
assembly (1) by loosening clamps (4, 6).
Remove heater assembly (1) from right side
panel by removing screws (7) and nuts (8).