TIMING, GEAR TRAIN & FRONT COVER
Be sure the engine crankshaft timing is set
at the specified static timing prior to going
Align the timing pointer (1, Fig. 25 or 26)
with the line mark (2, Fig. 25 or 26) on the
pump as shown.
Figures 25. - Injection Pump Timing Marks (Early Model
Pump) [UTDS* Model 100 Fuel Injection Pump]
Figure 26. - Injection Pump Timing Marks (Late Model)
[UTDS* Model 100 Fuel Injection Pump]
NOTE: Disregard any timing marks on the idler gear.
They are not used.
Install the drive gear (2, Fig. 27), meshing
it with the idler gear (1), as shown.
Holding the pump shaft with a socket
wrench (3, Fig. 27) torque drive gear bolts
to 35 Nm (26 Ibf-ft).
Rotate engine crankshaft counter-
clockwise 90 then rotate clockwise until
pump timing pointer and timing mark align.
NOTE: The injection pump may be timed by
removing the access cover only.(UTDS* Model 100
Fuel Injection Pump)
Figure 27. - Tightening Drive Gear Bolts
Drive gear bolts
*United Technologies Diesel Systems
PRINTED IN UNITED STATES OF AMERICA