DO NOT HIT CUP ON STUD WHEN REMOVING INJECTOR FROM HOLDING
FIXTURE. MAY DAMAGE TIP.
l. Loosen fixture stud enough to allow for unobstructed removal of injector and remove injector.
m. To check cup to plunger alinement, remove plunger and coat with clean fuel oil or test oil.
n. Hold injector in vertical position (cup down) and allow plunger to drip a few drops of oil into cup.
o. Insert plunger approximately 1/2 in. (12.7 mm) into barrel and install a suitable plunger extension tool into plunger.
p. With palm of hand, jam plunger into cup and rotate injector 90 while holding plunger firmly against cup seat.
q. Hold injector with cup up; plunger should slide out when injector is lifted quickly.
r. If plunger does not slide out, remove plunger, coat tip with oil and repeat alinement test.
s. If plunger still sticking, remount injector in holding fixture, loosen and repeat alinement test.
t. If plunger still sticking, remount injector in holding fixture, loosen cup retainer, rotate cup 1/4 turn, and retorque
retainer. Repeat as necessary.
u. Install new gasket, new screen, and new retainer in injector fuel inlet port.
v. Insert link into adapter.
w. After assembly, wrap injector in protective paper until ready for testing.