Hercules — To Remove the Camshaft
Repair & overhaul
From a Hercules owner's manual — check it applies to your exact model before use.
Procedure
- Drain the lubricating oil and remove the oil pan.
- Turn the engine over until No. 1 cylinder is on top dead center and remove the oil pump.
- Disconnect and remove the distributor.
- Remove the fan blade and belt for easier access to the gear cover and gears.
- Remove the crank shaft nut and fan drive pulley.
- Disconnect the governor linkage and remove the gear cover.
- Remove the governor parts.
- Remove the rocker arm cover, rocker arms and push rods.
- Hold the valve tappets in the 'up' position using a wire holder bent over the push rod hole edge.
- Rotate the engine until the two holes in the camshaft gear expose the thrust plate attaching screws.
- Remove the thrust plate attaching screws and pull the camshaft forward out of the engine block.
Tools required
- Music wire holder Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: Hercules owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.