TM-9-2815-205-34
ENGINE WITH CONTAINER; MODELS 5063-5299, 5063-5392, 5063-5393, 5063-5395, 5063-5398, 5063-539F, 5063-539L
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
AUGUST 1992
TM-9-2815-205-34 - Page 453 of 596
(c)
(d)
(e)
TM 9-2815-205-34
Check fuel connections for leaks. If leaks have occurred, tighten connections, dry injector,
and check again.
With injector rack in FULL FUEL position (fully depressed) and popping handle (38) locked
in downward position, operate pump handle (39) to build up and maintain pressure.
Pump up injector tester and maintain pressure of 1600 to 2000 PSI. Inspect for leaks at fuel
connector ring spacers, injector body plugs, and injector nut preformed packing.
(4) Spray pattern
(a) Place injector in diesel fuel tester (37).
(b) Place injector rack in FULL FUEL
position (fully depressed).
(c)
(d)
(e)
WARNING
Do not operate diesel fuel
injector nozzle tester without
shield.
Fuel spray can
penetrate skin.
Fuel oil
entering blood stream may
cause serious infection.
Place shield (40) on diesel fuel
injector nozzle tester (41). Operate
pump handle (39) to build up slight
pressure (10 PSI minimum) in system.
Pop fuel injector several times with
popping handle (38). Observe spray
pattern emitted from’ fuel injector
spray tip. If spray tip pattern is not
uniform, spray tip orifice is dirty or
damaged.
Pop fuel injector several times with
popping handle (38) until no pressure
is observed on test gage (42) to avoid
fuel spray when injector is removed
from diesel fuel tester.
(5) Needle valve opening pressure
(a)
(b)
(c)
(d)
Operate pump handle (39) on diesel
fuel injector nozzle tester (41) until a
clear flow of test oil comes out of
mounting pedestal (43).
Place check valve (18) centrally on
pedestal (43).
Place check valve cage (17), flat side
up, and check valve (18) on pedestal
(43) with check valve in recess of
check valve cage.
Insert spring seat (15) in valve spring (16) and install on check valve cage (17) with seat up.
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