Cummins/Onan — Kit Installation
Installation · 1302 series control kit
From a Cummins/Onan service manual covering: 1302 series control, HMI211, HMI211RS, PCC 1302. Check it applies to your exact model before use.
Applies to: Cummins/Onan PCC 1302
Before you start
- Incorrect installation, service, or replacement of parts can result in severe personal injury or death and/or equipment damage. Only trained and experienced personnel are to perform the following procedures.
- Do not connect J18-1 directly to L1 in 480V applications. Making this connection will blow up the 1302 control board.
Procedure
- Make sure the generator set is shut down and disabled: Run/Off/Auto switch in Off, battery charger off and disconnected, negative (-) battery cable disconnected.
- Select a suitable location and mount the 1302 control board using M4 hardware.
- Install the operator panel and harness: mount panel using #6-32 hardware; operator panel must be within 72 inches (1828.8 mm) of the control board.
- Install the genset harness: connect six CT wires, four sense wires, X+ and XX- field winding wires, and excitation source.
- Install the engine harness: oil pressure, coolant temperature, and (if installed) magnetic pickup wires; tie back unused P11-4 and P11-5 if no electronic governor.
- Install the oil pressure sensor and harness: install sensor on the engine, connect harness, set sensor type to "Sender" and sender type to 3-wire.
- Install the coolant temperature sensor and harness: install sensor on the radiator and connect the harness connector.
- Reconnect the generator starting battery cables (positive [+] cable first).
- Connect the battery charger (if equipped).
- Press any button on the operator panel to "wake up" the control.
- Use the operator panel Service menus and/or a PC service tool to adjust the appropriate control parameters.
- Place the generator set Run/Off/Auto switch in the desired position.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Operator panel must be mounted within 72 inches (1828.8 mm) of the control board
- Excitation inputs J18-1 and J18-2 shall have an inline fast acting UL certified ceramic fuse rated ten amperes
Full service-parts list: Cummins/Onan PCC 1302 →
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.