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Bobcat Skidsteer Forums
General Bobcat Skidsteer Forum
Model 630 Bobcat Fuel Supply Questions
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<blockquote data-quote="Tigerhaze" data-source="post: 58332" data-attributes="member: 6436"><p>I've had a number of things going on, so just got a chance this weekend to work on the 630.</p><p>I found out that the shutoff solenoid (external to the carb) is not being energized when cranking. I disconnected the fuel line between the solenoid and carb and was not getting flow when cranking. I then took of the solenoid and was getting free flow from the tank so the tank and filter are not the issues. I then took off the solenoid and energized it to 12V and am getting flow when energized and shutoff when not, so it is working properly. I am guessing that the wiring between the solenoid and ignition switch is shorted.</p><p>Because the wiring runs way up behind the engine I can't tell where the wiring is shorted. I am thinking about replacing the wiring, and am thinking that instead of wiring through the ingnition switch that I could run it through a push-pill switch near my seat. That way I could have a true "emergency shutoff switch" if tipped. Does anyone see any issues with wiring positive and ground straight to the battery (with a suitable fuse) rather than through the iginition switch? The only issue I see is the 30W max wattage stamped on the solenoid, but not sure that matters whether run through the ignition switch or not. Anyone know?</p><p>On another but related note, I found out the issue with fuel stavation to my M610. The fuel filter had plugged, starving the fuel pump and everything after it. It was a fairly new filter so I must really have some dirt or rust in the tank. I installed a new see-through filter so I can monitor how quickly it becomes plugged in the future..</p></blockquote><p></p>
[QUOTE="Tigerhaze, post: 58332, member: 6436"] I've had a number of things going on, so just got a chance this weekend to work on the 630. I found out that the shutoff solenoid (external to the carb) is not being energized when cranking. I disconnected the fuel line between the solenoid and carb and was not getting flow when cranking. I then took of the solenoid and was getting free flow from the tank so the tank and filter are not the issues. I then took off the solenoid and energized it to 12V and am getting flow when energized and shutoff when not, so it is working properly. I am guessing that the wiring between the solenoid and ignition switch is shorted. Because the wiring runs way up behind the engine I can't tell where the wiring is shorted. I am thinking about replacing the wiring, and am thinking that instead of wiring through the ingnition switch that I could run it through a push-pill switch near my seat. That way I could have a true “emergency shutoff switch” if tipped. Does anyone see any issues with wiring positive and ground straight to the battery (with a suitable fuse) rather than through the iginition switch? The only issue I see is the 30W max wattage stamped on the solenoid, but not sure that matters whether run through the ignition switch or not. Anyone know? On another but related note, I found out the issue with fuel stavation to my M610. The fuel filter had plugged, starving the fuel pump and everything after it. It was a fairly new filter so I must really have some dirt or rust in the tank. I installed a new see-through filter so I can monitor how quickly it becomes plugged in the future.. [/QUOTE]
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Model 630 Bobcat Fuel Supply Questions
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