New Holland CX720 Repair Manual page 1890

5. When engine is at TDC the threaded hole in the in-
jection pump drive flange aligns with the pump timing
plate.
6. To ensure the crankshaft is accurately positioned at
TDC remove the crankshaft timing plug (1) from the
side of the engine block.
IMPORTANT: DO NOT disturb the timing pin bush (2) This
has been accurately set during original manufacture. If the
bush is moved then pump timing CAN NOT be accurately
set.
7. insert the crankshaft timing pin 297672 into the side
of the block.
POWER PRODUCTION - FUEL AND INJECTION SYSTEM
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