Inspect filter elbow (5) and heater connector (3) for damage. Replace if damaged.
12-92. TROOP/CARGO WINTERIZATION HEATER FILTER-TO-HEATER FUEL SUPPLY
This task covers:
M998, M998A1, M1038, M1038A1
General mechanics tool kit:
automotive (Appendix B, Item 1)
Sealing compound (Appendix C, Item 44)
Heater guard assembly removed
General Safety Instructions
Do not perform this procedure near fire, flames,
Diesel fuel is highly flammable. Do not perform this procedure
near fire, flames, or sparks. Severe injury or death will result.
Cover or plug all open hoses and connections immediately after
disconnection to prevent contamination. Remove all plugs prior to
Have drainage container ready to catch fuel.
1. Loosen clamp (4) and disconnect filter-to-heater fuel supply hose (1) from filter elbow (5).
2. Loosen clamp (2) and disconnect filter-to-heater fuel supply hose (1) from heater connector (3).