Fuel pump pushrod?

OldmanRick said

The pump arm is riding on the eccentric and is probably on the high side. Just hand crank the engine over a half turn and if that doesn't do it crank about another half turn and it should go almost flush at some point. Reason for up to a full turn is the cam turns at half crank speed.

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Thanks for the response Rick. So I can just put the pump in, push up on the pump and tighten down? Or do what you said and turn the motor over by hand to rotate the eccentric flush?

Another thing that concerns me is the timing chain. I stuck my finger in there and it feels very slack. Is this a sign it needs to be changed?