TM 5-6115-400-35
Figure 18. Fuel injection pump torque valves.
(3) Place the control rack of the pump in its
g. Flow Timing of the Fuel Injection Pump.
full fuel position.
Whenever a fuel injection pump has been completely
disassembled and reassembled, it is necessary that both
(4) Remove the delivery valve holder (64, fig.
internal timing and calibration of the pump be checked
even though none of the component parts were
replaced. Timing in this particular case does not refer to
Note.
Number one pumping
the setting of the fuel injection pump to the engine, but
element is plunger nearest to drive
refers to the internal adjustment of the various pumping
end.
elements, which in a multi-cylinder injection pump must
each function at a definite time in relation to the rotation
(5) Remove the delivery valve and its spring
of the camshaft. For instance, in a six cylinder pump,
(64, fig. 15) with the fingers.
injection must take place every 60 degrees of pump
camshaft rotation.
The valve body must remain in position.
DO NOT USE MAGNET.
(1) Connect the supply tank, filter and shutoff
valve to the inlet connection of the
Needle nose pliers are permissible.
injection pump.
(6) To determine that there is sufficient
(2) Bleed the pump of all air by loosening one
clearance between maximum plunger
of the bleeder plugs located at top of the
stroke and the delivery valve body, check
pump housing.
Thorough bleeding is
this measurement as described in (f)
essential.
above.
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