Cummins/Onan PX12000e — Spark Arrester Removal and Cleaning
Maintenance
For the Cummins/Onan PX12000e, from the Cummins/Onan operator's manual.
Applies to: Cummins/Onan PX12000e, Cummins/Onan EH65D engine
Before you start
- Always use the product with a spark arrester.
- If the engine has been running, the muffler and spark arrester will be very hot; allow the muffler to cool before cleaning.
Procedure
- Remove the flange bolts from the muffler cover and remove the muffler cover.
- Remove the special screw from the spark arrester and remove the spark arrester from the muffler.
- Use a brush to remove carbon deposits from the spark arrester screen; avoid damaging the screen.
- Replace the spark arrester if it is damaged (must be free of breaks and holes).
- Install the spark arrester and muffler protector in the reverse order of disassembly.
Tools required
- brush Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Clean spark arrester every 100 hours
Source: Cummins/Onan operator'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.