Coleman Powermate — Exciting the generator
Repair & overhaul
From a Coleman Powermate owner's manual — check it applies to your exact model before use.
Before you start
- If your generator is a brushless unit, contact local service center for assistance.
Procedure
- Use a 6-volt lantern battery (dry cell) or a 12-volt automotive battery.
- Disconnect all loads from generator.
- Remove the brush cover.
- Plug a lamp or light into the generator before starting the engine; light illuminates when voltage returns.
- Start the engine with no load connected to the generator.
- Attach the "-" lead of the battery to the negative brush.
- Very briefly touch the "+" lead to the positive brush; remove as soon as voltage builds up.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: Coleman Powermate 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.