TM 5-3810-300-24&P-3
Figure 17 - Injector Needle Valve Tester J 23010 with Auxiliary tester J 22640
reversing the fuel flow. When the fuel flow is reversed,
dirt trapped by the filter is back-flushed into the injector
NOTE: Place the cam shift index wheel
components.
and fuel flow lever in their respective
positions. Turn on the test fuel oil heater
Before removing an injector from the engine, note the
switch and preheat the test oil to 95-
direction of the fuel flow. To avoid reversing the fuel flow
105F (35-40C).
when checking injector fuel output, use the appropriate
adapter. The position of the braided fuel inlet tube and
1. Place the proper injector adapter between the tie rods
the plastic fuel outlet tube on the calibrator (Fig. 20)
and engage it with the fuel block locating pin. Then slide
depends on the adapter being used and the direction of
the adapter forward and up against the fuel block face.
fuel flow through the injector.
2. Place the injector seat J 22410-226 into the
permanent seat (cradle handle in vertical position).
Calibrator J 22410
Clamp the injector into position by operating the air
valve.
To check the fuel output, operate the injector in calibrator
J 22410 (Fig. 21) as follows:
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