Firman WH03662OF — Change Engine Oil
Maintenance
For the Firman WH03662OF, from the Firman operator's manual.
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Before you start
- Avoid prolonged or repeated skin contact with used motor oil
Procedure
- On a level surface, remove drain plug and oil filler cap while engine is warm to drain oil into a suitable container
- Reinstall the drain plug
- Fill engine with oil until it reaches the HIGH (H) mark on the dipstick
Tools required
- oil funnel Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Oil capacity 0.6 L (20.3 oz)
Source: Firman 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.