Cummins/Onan QG7000i DF — Maintaining the Battery and Battery Connections
Maintenance
For the Cummins/Onan QG7000i DF, from the Cummins/Onan service manual.
Applies to: Cummins/Onan RV Generator Set
Before you start
- Do not disconnect battery cables while the generator set is running.
Procedure
- Keep the battery case and terminals clean and dry and the terminals tight.
- Remove the battery cables with a battery terminal puller.
- Identify positive and negative terminals; remove negative cable first and reconnect it last.
Tools required
- Battery terminal puller Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 12 V, minimum 450 CCA @ -18 C (0 F)
Full service-parts list: Cummins/Onan RV Generator Set →
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.