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REMOVAL -832450118
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TM-10-3930-660-24-2 Truck Forklift; 6 000 lb. Variable Reach Rough Terrain Manual
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TESTING -832450120
TM 10-3930-660-24-2
FUEL INJECTOR MAINTENANCE - CONTINUED
0223 00
CLEANING
WARNING
Cleaning compound, solvent MIL-PRF-680 Type III is an environmentally compliant and low toxic mate-
rial. However, it may be irritating to the eyes and skin. Use protective gloves and goggles. Use in well-ven-
tilated areas. Keep away from open flames and other sources of ignition.
Rinse nozzle with solvent (WP 0316 00).
INSPECTION
Inspect needle tip for roughness or erosion. Note that rough machined appearance is normal for pressure shoulder.
TESTING
WARNING
Keep clear of test spray from nozzle. Fluid at test pressures can penetrate skin, causing infection and possi-
ble death.
Eye protection must be worn when performing maintenance where components or particles could fly out
during procedure. Failure to take precautions could cause injury to personnel.
Some components are under spring tension. Wear eye protection and use caution when disassembling them,
to avoid injury.
1.
Connect injector to fuel injector test set.
INJECTOR
2.
Open valve and operate pump lever at a rate of one
stroke per second while observing test pressure gauge
FUEL INJECTOR
TEST SET
3.
Spray must begin at a pressure of 3,553 +/- 73 psi
(2450 +/- 503 kPa).
VALVE
NOTE
If spray does not begin within pressure
range specified in step 4, change thickness
of shims. Adding shims will increase
opening pressure. Remove shims to
decrease opening pressure.
409-1054
4.
Check for well-atomized spray pattern.
NOTE
For leakage test, use same test set up for opening pressure test.
5.
Open valve on test set.
0223 00-3

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