Cummins/Onan — Control Panel and Inverter Unit Removal
Repair & overhaul · control panel / inverter unit
From a Cummins/Onan service manual covering: P3200i, P4300i, P4300ie, RG 3200 IS, RG 4300 IS, RG2800i. Check it applies to your exact model before use.
Applies to: Cummins/Onan P3200i, Cummins/Onan P4300ie, Subaru EX21 engine, Subaru EX27 engine
Before you start
- Electric wires are still connected to the control panel; do not separate the control panel forcibly.
Procedure
- Loosen the four screws and remove the upper front cover.
- Loosen the two bolts and remove the lower front cover.
- Loosen the five bolts and remove the cover bracket from the inverter unit.
- Remove the fuel tank before separating the control panel.
- Cut the wire bands binding wires behind the control panel.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- M6 x 18mm Screw: 4pcs
- M6 x 18mm Flange bolt: 2pcs
- M6 x 12mm Flange bolt: 2pcs
- M6 x 25mm AY Bolt: 1pce
Full service-parts list: Cummins/Onan P4300ie →
Source: Cummins/Onan service 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.