Cummins/Onan GTA14 / GTA14 qi 20 NA — Cold-Weather Starting
Operation · Engine
For the Cummins/Onan GTA14 / GTA14 qi 20 NA, from the Cummins/Onan owner's manual.
Applies to: Cummins/Onan GTA14 qi 20 NA, Cummins/Onan GTA14 engine
Procedure
- Install jacket water and oil heater for standby gensets in cold climates.
- Warm engine before placing under load.
- For parasitic loads, coolant temperature must be a minimum of 49 C [120 F].
Full service-parts list: Cummins/Onan GTA14 qi 20 NA →
Source: Cummins/Onan 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.