Firman T04073 — Long Term Storage
Maintenance · Generator
For the Firman T04073, from the Firman owner's manual.
Applies to: Firman T04073
Before you start
- Fuel and vapors are extremely flammable
Procedure
- Treat any stored fuel with fuel stabilizer
- When storing with gasoline in tank, operate engine 5-10 minutes to circulate treated fuel
- No need to drain gasoline if fuel stabilizer added
- If draining fuel tank, run generator outdoors until it stops from lack of gasoline
- Always turn main fuel selector switch to OFF prior to storage
- Allow generator to cool before cleaning and storage
- Change oil
- Remove spark plug boot and spark plug, pour about one teaspoon of engine oil through spark plug hole, pull recoil starter several times
- Cover generator and store in clean, dry place out of direct sunlight
Full service-parts list: Firman T04073 →
Source: Firman 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.