Cummins/Onan 1B Series / 1B Series Plant — Starting the plant manually
Operation · engine-generator
For the Cummins/Onan 1B Series / 1B Series Plant, from the Cummins/Onan operator's manual.
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Before you start
- Over choking causes hard starting and excessive wear.
Procedure
- Pull choke out all the way.
- Wind starting rope clockwise around rope sheave at front of plant.
- Give a strong steady pull the full length of the rope.
- If plant fails to start, push choke in as required and repeat.
- As engine starts to fire, push choke gradually in until fully open when plant is thoroughly warmed up.
- If plant is still warm, choking is not necessary.
Tools required
- starting rope Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
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.