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 TM 5-1940-277-20
TM 1940-20/2
TOOLS: 9/16 inch Box Wrench
1/2 inch Box Wrench
PARTS/MATERIALS: Container, Two Quart Capacity
1.
Open and secure engine hatches (refer to paragraph 3-154).
NOTE
Insure that there is fuel in tank and fuel valves are turned on.
2.
Open center bleed screw (1) on fuel filters (2) using 9/16 inch box wrench.
NOTE
Place container under bleed screw (1) to catch fuel.
3.
Unscrew lift pump plunger (3) and operate priming pump (4) until a flow of fuel, free of air bubbles,
flows from bleed screw (1) into container. Clean up spilled fuel.
4.
Close center bleed screw (1) in fuel filters using 9/16 inch box wrench.
5.
Open forward bleed screw (5) on injection pump using 1/2 inch box wrench.
NOTE
Place container under bleed screw (5) to catch fuel.
6.
Operate priming pump (4) until fuel, free of air bubbles, flows from bleed screw into container. Clean
up spilled fuel.
7.
Close forward bleed screw (5) on injection pump and tighten using 1/2 inch box wrench.
8.
Secure priming pump plunger (3) by screwing it back into barrel.
9.
Clean up all fuel spillage.
10.
Close engine hatches.
3-142.2
Change 2
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