Quantcast 3-25.  FUEL SUPPLY PUMP. - TM-9-2815-255-24_100

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ARMY TM 9-2815-255-24 AIR FORCE TO 38G1-95-2 MARINE CORPS TM 2815-24/4 3-24.4.  Installation. CAUTION Always use two wrenches when removing/installing fittings and/or fuel lines to avoid damage. a. Position  filter  head  (15,  FIGURE  3-40)  on  engine  mounting  and  secure  with  two  capscrews  (13)  and  washers (14). b. Remove caps and connect fuel line (11) to elbow (12) in outlet of filter head. c. Remove caps and connect fuel line (9) to elbow (10) in inlet of filter head. d. Bleed fuel system, refer to paragraph 3-23. 3-25.  FUEL SUPPLY PUMP. 3-25.1.  Removal. WARNING Diesel  fuel  is  flammable  and  toxic  to  eyes,  skin,  and  respiratory  tract.    Skin/eye  protection required.  Avoid repeated/prolonged contact.  Good general ventilation is normally adequate. CAUTION Always use two wrenches when removing/installing fittings and/or fuel lines to avoid damage. NOTE Catch fuel in suitable container a. Disconnect fuel line (9, FIGURE 3-40) from elbow in fuel supply pump (22) outlet.  Cap openings. b. Disconnect fuel line from fuel supply pump inlet.  Cap openings. c. Remove two capscrews (20) and washers (21) securing fuel supply pump (22) to engine block.  Remove pump and gasket (19); discard gasket (19). d. Cover opening in block and cap fuel lines. e. Remove elbow (24) from fuel supply pump outlet. 3-25.2.  Inspection/Test. 3-25.2.1 Vacuum/Pressure Test. NOTE This  test  will  give  a  good  indication  of  condition  of  both  inlet  and  outlet  valves,  as  well  as diaphragm.  Numerical values obtained on both vacuum and pressure sides are not important; rather it is the needle movement that is important (very slow for a good pump; very fast or not at all for a defective pump). Change 3  3-74


 


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