Marking TDC on Front Cover

Tool Required: J33042 Timing Fixture.

1. Remove injection pump.
2. Set the engine so that number 1 cylinder is at TDC (firing).

Timing Alignment Marks:

3. Install J 33042 in the injection pump location. Do not use the gasket.

Marking TDC On The Front Cover:

4. The slot in the injection pump gear should be in the vertical 6 o'clock position. If not remove J 33042 and rotate the engine crankshaft 360 degrees. The timing marks on the gears will be aligned.
5. Fasten J 33042 to the gear and tighten.
6. Install one 10 mm nut to the upper housing stud to hold the tool flange. The nut should be finger tight.
7. Tighten the large bolt (18 mm head) clockwise to 48 Nm (35 ft lbs).
8. Tighten the 10 mm nut.
9. Check that the crankshaft has not rotated and the tools didn't bind.
10. Strike the scribe with a mallet to mark TDC on the front housing.
11. Remove J 33042.

Install or Connect
1. Gasket.
2. Injection pump. Refer to "Injection Pump Replacement".
3. Nuts (finger tight).
4. One 8 mm bolt to attach the gear to the pump hub.

Tighten
- Bolt to 25 Nm (20 ft. lbs.).
- Injection pump nuts to 40 Nm (30 ft. lbs.).
- Align the timing mark on the injection pump flange with the mark on the front cover.

5. Remaining pump gear attaching bolts.
- Rotate the engine to gain access to the bolts.

Tighten
- Bolts to 25 Nm (20 ft. lbs.).