Removal and Installation
IMPORTANT: Do not disassemble fuel injection pump
further than necessary for installing
available service parts, not even for
Be sure injection pump serial tag is in
place and all identification numbers are
legible so pump is set to the correct
specifications for its intended use.
NOTE: Remove JDG886 Injection Pump Timing Pin (A)
A--JDG886 Injection Pump Timing Pin
when sending an injection pump out for repair.
For injection pump repair and testing, have an authorized
diesel injection station perform the work. Unauthorized
repairs made to the injection pump will void warranty.
1. If engine was rotated after injection pump was
removed rotate flywheel until JDE81-4 Timing Pin (A)
enters flywheel at No. 1 cylinder's "TDC" compression
NOTE: When No. 1 cylinder is at "TDC" compression
stroke, intake and exhaust valves for No. 1
cylinder will be closed, and both rocker arms will
A--JDE81-4 Timing Pin
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