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 TM 10-3930-638-24&P
4-3. FUEL SYSTEM MAINTENANCE (cont)
a. Fuel Injector (cont).
REMARKS
ACTION
ITEM
LOCATION
STEP
CLEANING AND INSPECTION (cont)
19
Injector body
Use tip seat scraper P/N 66-0149 as shown
Clean
(11) seat area
Use sac hole drill P/N 66-0151 and rotate
Injector body
20
Clean
it to clean deposits from sac hole. Repeat
(11) sac hole
orifice cleaning (step 18 above)
Valve (7)
Clean
Use brush to remove deposits from seat areas,
21
remove varnish with a solvent and felt
cleaning pad. Inspect valve for pitting or
erosion which could cause leakage
4-83
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