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 TM 55-1905-217-34
4. Inspect the plunger. If chipped, rep/tae the plunger and bushing after the fuel output test is
performed. Plunger (B, fig. 3-9), illustrates a chipped plunger at the helix.
A. DIRT IN FUEL. SHOWS ADVANCED STAGES OF ABRASIVE MATTER IN FUEL.
B. CHIPPED AT LOWER HELIX.
C. THIS CONDITION CAUSED BY LACK OF FUEL, AT HIGH SPEED, OR WATER IN FUEL.
ME 1905-217-34/3-9
Figure 3-9. Defective fuel injector plungers.
(7) Fuel output test.
(a) Set the comparator (fig. 3-10) at 1000 strokes.
3-11
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