Firman T04073 — Battery Replacement

Repair & overhaul

For the Firman T04073, from the Firman owner's manual.

Applies to: Firman T04073

Procedure

1. Remove spark plug boot from spark plug
2. Remove nut and bolt from negative post first, then positive post
3. Loosen and remove cap screws and nuts on battery holding bracket
4. Remove battery and recycle
5. Install new battery: 12V sealed lead acid 7.5AH, 151x65x97mm
6. Connect red positive battery cable to battery first
7. Connect black negative battery cable to battery second
8. Cover posts with boots provided
9. Install spark plug boot onto spark plug

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.

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