Firman WT05571 — Battery Replacement
Maintenance
For the Firman WT05571, from the Firman owner's manual.
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Procedure
- Unscrew air cleaner cover with provided screwdriver
- Release battery retaining rubber belt
- Disconnect black(-) cable from black(-) terminal, then red(+) cable from red(+) terminal
- Remove battery and recycle/dispose properly
- Install new 12V lithium battery 1.6AH
- Connect red(+) cable to positive terminal first, then black(-) cable to negative terminal
- Reattach air cleaner cover
Tools required
- Screwdriver Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 12V lithium battery 1.6AH, L x W x H 4.21x2.2x3.34 in. (107x56x85mm)
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.