Engine Maintenance 9-25
3. Remove the idler shaft and idler gear.
4. Install the injection pump gear, lock washer and mounting nut. Make sure the key is aligned properly. Torque the mounting
nut to 60 to 68 Nm.
5. Turn the injection pump gear to the position shown in the “Align Timing Marks” illustration.
6. Install the idler gear and the idler shaft and align the timing marks as shown in the “Align Timing Marks” illustration. The A
mark on the idler gear should line up with the A mark on the crankshaft gear. The B mark on the idler gear should line up with
the B mark on the injection pump gear. The C mark on the idler gear should line up with the C mark on the camshaft gear.
7. Install the timing gear cover and sound shield. Tighten the mounting bolts.
8. Install the crankshaft pulley and align it with the dowel pin in the crankshaft gear. Torque the mounting bolt to 113 to 123 Nm.
9. Install the oil line that goes from the cylinder block to the injection pump and the timing gear cover.
10. Remove the fuel transfer pump in the timing gear cover.
11. Connect the fuel lines and injection lines to the injection pump.
12. Bleed the air from the fuel system.
13. Check the injection pump timing.
Align Timing Marks – TK 482, TK 486 and TK 486V
Engines
1. Injection Pump Gear
2. Idler Gear
3. Camshaft Gear
4. Crankshaft Gear
5. Oil Pump Gear
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