Detroit Diesel — Prepare Engine for Extended Storage
Maintenance
From a Detroit Diesel operator's manual — check it applies to your exact model before use.
Before you start
- Do not apply oil, grease, or wax base compound to flywheel.
Procedure
- Drain and flush cooling system; refill with clean soft water; add rust inhibitor.
- Remove, check, and recondition injectors if necessary; reinstall, time, adjust valves.
- Operate engine until normal operating temperature reached.
- Stop engine; drain crankcase; install new oil filter elements.
- Fill crankcase with 30-weight preservative oil MIL-L-21260 Grade 2 (P10).
- Drain fuel tank; refill with rust preventive fuel oil.
- Drain fuel filter and strainer; install new elements; fill with rust preventive.
- Operate engine 10 minutes to circulate rust preventive.
- Service air cleaner.
- Prepare marine gear, Torqmatic converter, and power take-off as instructed.
- Apply rust preventive compound to all exposed parts.
- Drain cooling system.
- Remove and clean battery; store in cool dry place.
- Seal all openings.
Specs & values
- Preservative oil MIL-L-21260 Grade 2 (P10)
Source: Detroit Diesel operator'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.