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HD Tech Bulletin
November 6, 2000
TC-88 Oil Pump Alignment
It has been observed that some TC-88 engines are experiencing oil in the air
cleaner when the vehicle is driven at high speeds. The correction for this
condition is to align the oil pump. This is accomplished using the Evo2
tappet block alignment screws, Part Number HD-33443. The procedure is as
follows:
1. Loosen all pump assembly mounting screws.
2. Remove two screws diagonal to each other.
3. Install the tappet block alignment screws in these two positions.
4. Torque the remaining screws to spec..
5. Remove the alignment screws/tools.
6. Install the previously removed screws and torque them to spec..
November 6, 2000
TC-88 Oil Pump Alignment
It has been observed that some TC-88 engines are experiencing oil in the air
cleaner when the vehicle is driven at high speeds. The correction for this
condition is to align the oil pump. This is accomplished using the Evo2
tappet block alignment screws, Part Number HD-33443. The procedure is as
follows:
1. Loosen all pump assembly mounting screws.
2. Remove two screws diagonal to each other.
3. Install the tappet block alignment screws in these two positions.
4. Torque the remaining screws to spec..
5. Remove the alignment screws/tools.
6. Install the previously removed screws and torque them to spec..