SERVICE MANUALTIMING, GEAR TRAIN & FRONT COVERSection 7a.Be sure the engine crankshaft timing is setat the specified static timing prior to goingany further.b.Align the timing pointer (1, Fig. 25 or 26)with the line mark (2, Fig. 25 or 26) on thepump as shown.Figures 25. - Injection Pump Timing Marks (Early ModelPump) [UTDS* Model 100 Fuel Injection Pump]1.Timing pointer2.Timing markFigure 26. - Injection Pump Timing Marks (Late Model)[UTDS* Model 100 Fuel Injection Pump]1.Timing pointer2.Timing markNOTE:Disregard any timing marks on the idler gear.They are not used.c.Install the drive gear (2, Fig. 27), meshingit with the idler gear (1), as shown.d.Holding the pump shaft with a socketwrench (3, Fig. 27) torque drive gear boltsto 35 N•m (26 Ibf-ft).e.Rotate engine crankshaft counter-clockwise 90 then rotate clockwise untilpump timing pointer and timing mark align.NOTE:The injection pump may be timed byremoving the access cover only.(UTDS* Model 100Fuel Injection Pump)Figure 27. - Tightening Drive Gear Bolts1.Idler gear2.Drive gear3.Socket wrench4.Drive gear bolts*United Technologies Diesel Systems(formerly AMBAC)CGES-185-3PRINTED IN UNITED STATES OF AMERICAPage 13
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