Generac MDE330 — Fuel System Priming
Maintenance
For the Generac MDE330, from the Generac owner's manual.
Applies to: Generac MDE330, Perkins 1706J-E93TAG2 engine
Before you start
- Engine cannot be started while priming function is running.
Procedure
- Ensure engine off, controller in STOP mode, battery disconnect ON.
- Simultaneously press and hold MANUAL MODE and ALARM MUTE buttons for 3 seconds.
- Fuel priming starts and runs for 2 minutes.
- Alternatively use the Perkins Service Tool.
Tools required
- Perkins Service Tool Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Priming runs 2 minutes
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.