Figure 3-24. Fuel transfer pump disassembly and reassembly.
3-19. Fuel Injection Valves for Engine Model D333TA
a. Removal and Installation.
(1) Clean all parts using any process required
to thoroughly clean, but not damage the part. Remove
(1) Refer to view A of figure 3-25 and remove
all carbon deposits. Remove carbon from nozzle with a
the fuel injection valve(s).
drill corresponding to the orifice size stamped on side of
(2) Install in reverse order. Torque retainer
fuel injector valve.
nuts to between 100 and 110 ft-lb.
b. Disassembly and Reassembly.
(2) Inspect the valves for visible damage, and
test for proper operation by mounting valve on test
(1) Refer to view B of figure 3-25 and
fixture, examining the spray pattern, and checking the
disassemble the fuel injection valve(s).
valve unseating pressure. Replace a damaged or
(2) Reassemble in reverse order. pump,
defective valve. Unseating pressure must be between
disassembly and reassembly.
400
and
800
psi.
If
applied
c. Cleaning, Inspection, and Repair.
AGO 20051A
3-33
