TM 5-4310-451-14
5-58. FUEL INJECTOR TESTING (Cont).
37.
Check fuel injector adapters (24), plugs (30), rack (33), and injector valve nut (31) for leaks.
38.
Open control valve (7).
39.
Close control valve (7).
CAUTION
DO NOT overtighten control valve. Bushing may be damaged, causing fuel Injector to malfunction.
40.
Pull pump lever (2) forward several times to build 500 psi (3448 kPa) on gage (28).
41.
Move valve lever (26) to point forward.
42.
If pressure on gage (28) drops from 450-250 psi (3103-1724 kPa) in less than 40 seconds, replace fuel injector
(see paragraph 5-57).
43.
Open control valve (7).
44.
Move clamp release lever (34) down.
45.
Remove fuel injector (15) along with adapter plate (17) from test kit (1).
46.
5-190