TM 10-3950-672-24-2
Correct timing of the Lucas CAV DPA pump can be
verified by removing the inspection plate.
Note: Special equipment in an authorized shop is
required to precisely time the Lucas CAV DPA
pump. However, for trouble-shooting and in an
emergency, visual alignment of the timing mark is
close enough for the engine to run.
Both of these check are described in the injection pump
replacement discussion. Installation of the timing pin
housing is described in the Base Engine Components
Section.
High Pressure Fuel Lines
Caution: The high pressure lines must be clamped
securely and routed so they do not contact each
other or any other component.
The high pressure fuel lines are designed and
manufactured to deliver fuel at injection pressure to the
injectors. The high pressure pulses will cause the lines
to expand and contract during the injection cycle.
Caution: Do not weld or substitute lines; use only
the specified part number for the engine.
The length, internal size and rigidity of the lines is
critical to smooth engine operation. An attached metal
tag is used to identify each line with a part number.
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