Firman P05701 — Change Engine Oil
Maintenance
For the Firman P05701, from the Firman owner's manual.
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Before you start
- Avoid prolonged skin contact with used motor oil
- Dispose of used oil at approved recycling center
Procedure
- Remove spark plug wire before servicing.
- Drain oil by removing drain plug and oil filler cap while engine is warm.
- Reinstall drain plug.
- Fill engine with oil until HIGH (H) level on dipstick.
- Replace oil fill cap.
- First oil change at 25 hours; then every 100 hours.
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.