TM 5-1940-277-34
INJECTOR TEST AND REPAIR INSTRUCTIONS
(Continued)
LOCATION
ITEM
ACTION
REMARKS
e.
Spring
Screw into top of
adjusting
holder until pres-
screw (4)
sure on spring is
felt.
f.
Copper
Fit over top of
washer (3)
adjusting screw.
g.
Injector cap
Screw on spring
Make sure copper
nut (2)
adjusting screw.
washer (3) re-
Do not tighten.
mains positioned.
13.
Injector
a.
Nozzle
Connect to
Use screwdriver.
tester
holder (1)
tester. Pump
tester pressure
and rotate spring
adjusting screw
clockwise at same
time. Adjust
until injector
opens (sprays) at
2,999 psig (205
atm).
b.
Injector cap
Torque to 37 -
Use 1 in socket
nut (2)
43 ft-lb.
and torque
wrench.
14.
Injector tester
Nozzle holder
Retest needle
Steps 1d, 1e, 1f.
(1)
valve back leak-
If injector fails
age, needle seat
test replace
leakage and
injector.
atomization.
2-275(2-276 Blank)
