Mitsubishi S12A2 — Storage of engine in inoperative condition — preparation
Maintenance
For the Mitsubishi S12A2, from the Mitsubishi owner's manual.
Applies to: Mitsubishi S12A2, Mitsubishi S12A2 engine
Before you start
- Do not use a vinyl sheet for the cover.
- Store the engine in a well-ventilated room.
- Attach a 'FILL THE FUEL' warning tag to the starter switch or controls.
Procedure
- Drain the oil from the engine and fill with rust preservative (NP-10).
- Fill the fuel tank with a 1:1 mixture of rust preservative (NP-9) and fuel.
- Start the engine and operate at low idle (600 rpm) for 5 to 10 minutes.
- Stop the engine and spray volatile rust preservative into the silencer.
- Drain the rust preservative-fuel mixture.
- Apply rust preservative (NP-3) to exposed machined surfaces.
- Cover the air inlet, exhaust openings and breather with taping.
- Loosen the fan drive belt.
- Tape the starter and alternator terminals, cover with polyethylene sheet and add desiccant.
- Remove the batteries, charge them, clean and grease terminal posts; store in a dry cool place.
Specs & values
- Low idle 600 rpm for 5 to 10 minutes
Full service-parts list: Mitsubishi S12A2 →
Source: Mitsubishi 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.