TM 9-2320-361-20 3-28. PRIMARY FUEL FILTER MAINTENANCE This task covers: a. Draining d. Cleaning and Inspection b. Filter Housing Removal e. Filter Installation c. Filter Removal f. Filter Housing Installation INITIAL SETUP: APPLICABLE MODELS All MATERIALS/PARTS Six lockwashers Two locknuts Three gaskets Filter element Drycleaning solvent (Appendix C, Item 26) REFERENCES (TM) TM 9-2320-361-10 TM 9-2320-361-20P EQUIPMENT CONDITION Parking-brake set (TM 9-2320-361-10). Hood raised and secured (TM 9-2320-361-10). Battery ground cable disconnected (para. 4-48). GENERAL SAFETY INSTRUCTIONS Diesel fuel is flammable. Do not perform this procedure near flames. Keep fire extinguisher nearby when using drycleaning solvent. a. Draining WARNING Diesel fuel is flammable. Do not perform fuel system procedures near open flame. Injury or death to personnel may result. NOTE Have drainage container ready to catch fuel. 1. Open draincock (11) to drain fuel from primary fuel filter (1). 2. Close draincock (11). b. Filter Housing Removal 1. Disconnect fuel lines (6) and (12) from connector (3) and elbow (13). 2. Remove two locknuts (9), washer (10), lockwasher (4), two screws (2), lockwasher (4), ground wire (5), bracket (7), and primary fuel filter (1) from frame (8) and bracket (7). Discard locknuts (9) and lockwashers (4). 3. Remove four screws (15), lockwashers (14), and bracket (7) from filter head (16). Discard lockwashers (14). 4. Remove elbow (13), connector (17), and connector (3) from filter head (16). 3-50