Generac MDE330 — Using An External Battery Charger
Operation · Batteries
For the Generac MDE330, from the Generac owner's manual.
Applies to: Generac MDE330, Perkins 1706J-E93TAG2 engine
Before you start
- Equipment damage. Do not make battery connections in reverse.
Parts for this job
Part numbers from the service-parts list for Generac MDE330. Verify against your serial number before ordering; some links are affiliate links.
Procedure
- Connect battery charger to a power source.
- Switch the battery disconnect switch to ON.
- Connect POSITIVE (+) cable to the battery post connected to the starter (+) post.
- Connect NEGATIVE (-) cable to frame grounding lug below the BDS.
- Turn charger to correct voltage setting and charging current.
- Start the engine; disconnect jumper cables immediately after engine starts.
Tools required
- Heavy-duty jumper cables Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 24 VDC battery charger
Full service-parts list: Generac MDE330 →
Source: Generac 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.