Injection Pump Adapter, Adapter Seal & New Timing Mark

Fig. 70 Fuel injection pump adapter installation:

Fig. 71 Fuel injection pump adapter seal installation:

ADAPTER SEAL, REPLACE
1. Remove injection pump. Refer to ``Injection Pump, Replace.''
2. Using a suitable probe, pry out adapter seal.When prying out adapter seal, use caution not to nick or gouge adapter.
3. Loosen bolts securing adapter to engine block, Fig. 70.
4. Lubricate new adapter seal inside and outside diameter with chassis lube.
5. Using seal installer J-28425, install seal on adapter, Fig. 71.
6. Remove seal installer tool and inspect seal for proper installation.
7. Torque adapter bolts to 25 ft. lbs.
8. Refer to ``Marking Injection Pump Adapter'' for remaining procedure.

Fig. 70 Fuel injection pump adapter installation:

ADAPTER, REPLACE
1. Remove injection pump. Refer to ``Injection Pump, Replace.''
2. Remove bolts securing adapter into engine block, Fig. 70, then remove adapter.
3. Install replacement adapter in engine block and install bolts. Do not tighten.
4. Refer to ``Adapter Seal, Replace'' steps 4 through 8, for remaining procedure.

Fig. 69 Offset on fuel injection pump driven gear:

Fig. 72 Marking fuel injection pump adapter with new timing mark:

MARKING INJECTION PUMP ADAPTER
1. Using a suitable file, remove original timing mark from adapter. Do not remove timing mark from injection pump.
2. With cylinder No. 1 approaching TDC, align timing mark on balancer with zero mark on indicator. The injection pump driven gear should be slightly offset to the right when cylinder No. 1 is at TDC, Fig. 69.
3. Install timing tool J-26896, into pump adapter, Fig. 72. Using a suitable torque wrench, torque tool towards cylinder No. 1 to 50 ft. lbs. While holding torque steady, mark pump adapter, Fig. 72. Remove tool.
4. Reinstall injection pump. Refer to ``Injection Pump, Replace.''