450 fuel shutoff solenoid sticking

[Rod Remmers]

Hello all.
Can anyone tell me how to swith out a shut off solenoid on a model CBC431--15AL Roosa Master injector pump. It won't shut down at operating tempature,and won't fire up til it cools down. Seems like it's sticking or something. Any ifo would be helpful. Thank you.

[KenP]

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[Rod Remmers]

Thanks KenP for the information, that starts me in the right direction. I do have a question though. On this pump, the post that the wire attachs to is recessed into the pump body. Nothing on the outside of the case to unscrew. Do you have to use a small deepwell socket to remove the plunger assembly? Again thanks for your help.

[KenP]

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[Rod Remmers]

KenP thanks for taking the time and sending the photo's. After seeing the front view it all makes sence now. Like they say - a picture is worth a thousand words. Thanks again for your help.