SECTION II: PRIMARY, FUEL/WATER SEPARATOR, AND MANIFOLD
TM 9-2350-256-20
HEATER FUEL FILTERS AND RELATED PARTS
4-15 REPLACE FUEL/WATER SEPARATOR FILTER ELEMENTS
THIS TASK COVERS
a. Removal
b. Installation
INITIAL SET-UP
Tools:
Equipment Conditions:
• Tool kit, general mechanic's (Appendix C,
Grille doors removed (see paragraph 9-57)
item 53)
• Suitable container
NOTE
Parts:
In illustrations powerplant shown removed for
• Filter element, center (final) (Appendix G,
clarity only.
item 23)
• Filter elements, outer (2) (Appendix G, item 24)
• Gasket (Appendix G, item 70)
• Lockwashers (8) (Appendix G, item 130)
WARNING
Do not smoke or use open flame when working on fuel system: explosion may occur, causing severe
injury or death.
NOTE
• Wipe clean fuel/water separator unit and surrounding area.
• Semiannually, or after 750 miles (1207 km) of operation, replace two outer fuel/water separator
filter elements. Center (final) filter element is normally replaced at engine overhaul only.
a. REMOVAL
1 Open drain cock (1) and loosen bleeder valve (2). Drain fuel into suitable container.
2 Remove eight screws (3), eight lockwashers (4), and eight flat washers (5). Remove cover (6) and gasket (7)
from fuel/water separator unit (8). Discard gasket.
4-35
