There's a round pin that you insert through the hole in the sprocket and
into a hole on the pump. That's #1.

JoBo

"mrbisset" > wrote in message
oups.com...
> Hello All,
> I just replaced the head gasket on my '81 deisel and have the same
> problem with injection timing. I have the flywheel and cam aligned at
> TDC of piston #1. But how do I know when the injection pump is fueling
> piston #1? I can put a dial indicator in the hole and it rises and
> falls 4 times every 360 degrees, no? So how to align it for TDC #1 ??
>
> The Bentley manual says how to adjust and check the rise amount on the
> pump cam, but not really how to time it correctly before timing belt
> installation.
>
> Any suggestions?
>
> thanks,
> Caleb
>