Hercules G-1600 — Long-Term Storage

Maintenance · engine

For the Hercules G-1600, from the Hercules service manual.

Procedure

1. Run on unleaded gasoline at least 10 minutes if previously run on leaded fuel.
2. Operate to normal operating temperature, stop, drain all oil, and replace oil filter.
3. Refill crankcase to FULL mark with preservative oil meeting MIL-L-21260.
4. Remove spark plugs, squirt a teaspoonful of preservation oil into each cylinder, and reinstall plugs.
5. Remove head and side covers; spray pushrods, valve stems, tappets, and rocker arms with preservative oil; reinstall covers.
6. Flush cooling system with water-soluble oil or rust inhibitor if not winterized.
7. Disconnect battery cables, remove batteries, and store where they can be recharged periodically.
8. Clean engine exterior (except electrical system) with diesel fuel or kerosene.
9. Release fan belt tension; insert paper strips between pulleys and belts.
10. Cover exhaust pipe and air inlets with waterproof, vaporproof material.
11. Coat unpainted air cleaner surfaces and, if clutch removed, coat clutch contact surfaces, ring gear, and flywheel.
12. Rotate crankshaft one-half turn every two weeks.
13. Periodically inspect for rust or corrosion.

Source: Hercules service 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.

More Hercules repair guides →