Quantcast Fuel Injector Control Lever and Tube Assembly - TM-10-3930-243-340069

 

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Section II. FUEL SYSTEM
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TM-10-3930-243-34 Truck Lift Fork Diesel Engine Pneumatic Tired Wheels Rough Terrain 10 000 lb. Capacity 24 Inch Load Center Manual
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Figure 3-18. Fuel injector control lever and tube assembly, removal and installation.
rod and the left bank injector control tube lever
(3) Back out the buffer screw (43, fig. 3-13).
(4) Disconnect the clevis pin from the fuel rod
(9) Insert the clevis pin in the fuel rod and the
right cylinder bank injector control tube lever and
and the right cylinder bank injector control tube
position the number 3R injector rack control lever
lever (6, fig. 3-19).
as previously outlined in step 6 for the number 3L
(5) Loosen all inner and outer injector rack
injector rack control lever,
control lever adjusting screws (13) on both injector
control tubes (10). Be sure all injector rack control
(10) Insert clevis pin in fuel control rod and
levers (12) are free on the injector control tubes.
the left cylinder bank injector control tube lever.
Repeat the check on 3L and 3R injector rack
(6) Move the speed control lever (4, fig. 3-13)
t o maximum speed position with light finger
control levers as outlined in Step 7.
pressure. Turn the inner adjusting screw (fig. 3-18)
(11) Manually hold number 3L injector rack
on the number 3L injector rack control lever down
in the full-fuel position, with lever on the injector
until a slight movement of the control tube lever is
control tube, and turn the inner adjusting screw of
observed. This will place the number 3L injector in
the number 2L injector rack control lever down
the full-fuel position. Turn the outer adjusting
until the injector rack of the number 2L injector has
moved into the full-fuel position. Turn the outer
screw down until it bottoms lightly on the injector
control tube. Alternately tighten both the inner and
adjusting screw down until it bottoms lightly on the
outer adjusting screws.
injector control tube. Alternately tighten both the
inner and outer adjusting screws.
(7) To ensure the control lever is properly
a d j u s t e d , hold the speed control lever in the
(12) Recheck the number 3L injector rack to
maximum speed position and press down on the
be sure it has remained snug on the ball end of the
injector rack with a screwdriver or finger tip,
rack control lever while positioning the number 2L
causing rack to rotate. The setting is sufficiently
injector rack. If the rack of the number 3L injector
has become loose, back off the inner adjusting
tight if rack returns to its original position. If rack
does not return to its original position, it is too
screw slightly on the number 2L injector rack
loose. TO correct this condition, back off outer
control lever and tighten the outer adjusting screw.
When the settings are correct, the rack of both
adjusting screw slightly and tighten the inner
injectors must be snug on the ball end of their
adjusting screw. The setting is too tight if, when
m o v i n g the speed control lever from idle to
respective rack control levers.
maximum speed position, the injector rack becomes
(13) Position the number 1L injector rack
tight before the speed control lever reaches its end
control lever as outlined in Steps 11 and 12.
of its travel (stop under the governor cover). This
(14) Position number 2R and 1R injector rack
will result in a step-up in effort required to move the
as outlined above for the left cylinder bank.
speed control lever to its maximum speed position
(15) Turn the idle speed adjusting screw (10,
fig. 3-14) in until it projects 3/16 inch from the
and a deflection in the fuel rod (fuel rod deflection
lock nut (9) to permit starting of the engine.
can be seen at the bend). If rack is too tight, back
off inner adjusting screw slightly and tighten out
(16) Use new gaskets and replace the valve
rocker cover and engine hood (TM 10-3930-243-
adjusting screw.
12).
(8) Remove the clevis pin from the fuel control
3-31

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