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742B Fuel Shutoff Solenoid?
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<blockquote data-quote="wings5j" data-source="post: 94747" data-attributes="member: 1341"><p>Hi, sorry it took so long to reply. My full time job often gets in the way of any Bobcat time. Currently I am out of town at work and so I will have to check on some of this when I get home. I will quote your post and try to fill in some of the blanks: "Hey John, Thanks for the reply. Does your 742B have the Mitsubishi engine with the fuel shutoff solenoid? [Mine has the manual shutoff below the tank and a solenoid at the carburetor] If it does and it's in the fuel line between the fuel pump and fuel filter I have another question. The original fuel shutoff solenoid part number 6559117 has been replaced with new number 7024822 which I have ordered. It appears the new fuel shutoff solenoid may be larger. My question is, being my fuel shutoff solenoid had been totally removed from my 742B, is there any type of bracket that attaches to it or is it just hanging in the fuel line? [Not sure on that] Also, do you shut off the manual fuel shutoff valve below the tank when you don't use it? [I only use the manual shutoff when changing the filter.] Another question. You said you did a full tune up which I'm also going to be doing and have ordered the parts. I'm also going to convert to electronic ignition being they make a conversion kit to eliminate the need to be replacing points all the time. That too is on order and hopefully will be receiving in the next couple of weeks. [I have been planning to convert to electronic ignition for a long time. If you could send me the details on what you ordered, that would be great.] But you said "cleaned carburetor". Did you do an entire carburetor rebuild by removing it from the engine/stripping everything and purchase a rebuilt kit with all new needles/gaskets along with boiling it out? Or did you clean it by some other fashion? I did order the carburetor rebuild gaskets and needle kit incase I have to go the entire rebuild route.[I believe I put in a new needle and seat but don't recall any other parts. I wrote down all the jet settings, etc., took it all apart and cleaned it in carb cleaner and put it back together. There is a ball in one of the cavities that you have to watch out for or it falls out when you aren't looking and it is not easy to figure out where it goes <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" />] I know in the old days when working on cars some tried removing certain needle valves and using spray carburetor cleaner and clean the port/needle and then reinsert. The key to this was to ensure to remember the number of turns when removing the needle valve. Just curious if this may have been what you did. Also, I read in another post that the 742B Mitsubishi can be temperamental in cold weather but tried what another post said and it was a lot easier in extreme cold weather starting. 1. Block heater turned on 4 hours prior to starting. 2. Start on full choke at about 1/3 throttle and let run for about 3-4 minutes on full choke. 3. After 4-5 minutes ran on 1/2 choke for another 5-10 minutes while hydraulic fluid was warming. Seemed to work for me the last time I did a cold weather start at about 10 degrees. Thanks for the helpSmileyand will be waiting for your reply on the carb stuff. I do pretty good at keeping up with email so here is my address Hope to hear from you regarding the electronic ignition kit. John</p></blockquote><p></p>
[QUOTE="wings5j, post: 94747, member: 1341"] Hi, sorry it took so long to reply. My full time job often gets in the way of any Bobcat time. Currently I am out of town at work and so I will have to check on some of this when I get home. I will quote your post and try to fill in some of the blanks: "Hey John, Thanks for the reply. Does your 742B have the Mitsubishi engine with the fuel shutoff solenoid? [Mine has the manual shutoff below the tank and a solenoid at the carburetor] If it does and it's in the fuel line between the fuel pump and fuel filter I have another question. The original fuel shutoff solenoid part number 6559117 has been replaced with new number 7024822 which I have ordered. It appears the new fuel shutoff solenoid may be larger. My question is, being my fuel shutoff solenoid had been totally removed from my 742B, is there any type of bracket that attaches to it or is it just hanging in the fuel line? [Not sure on that] Also, do you shut off the manual fuel shutoff valve below the tank when you don't use it? [I only use the manual shutoff when changing the filter.] Another question. You said you did a full tune up which I'm also going to be doing and have ordered the parts. I'm also going to convert to electronic ignition being they make a conversion kit to eliminate the need to be replacing points all the time. That too is on order and hopefully will be receiving in the next couple of weeks. [I have been planning to convert to electronic ignition for a long time. If you could send me the details on what you ordered, that would be great.] But you said "cleaned carburetor". Did you do an entire carburetor rebuild by removing it from the engine/stripping everything and purchase a rebuilt kit with all new needles/gaskets along with boiling it out? Or did you clean it by some other fashion? I did order the carburetor rebuild gaskets and needle kit incase I have to go the entire rebuild route.[I believe I put in a new needle and seat but don't recall any other parts. I wrote down all the jet settings, etc., took it all apart and cleaned it in carb cleaner and put it back together. There is a ball in one of the cavities that you have to watch out for or it falls out when you aren't looking and it is not easy to figure out where it goes :-)] I know in the old days when working on cars some tried removing certain needle valves and using spray carburetor cleaner and clean the port/needle and then reinsert. The key to this was to ensure to remember the number of turns when removing the needle valve. Just curious if this may have been what you did. Also, I read in another post that the 742B Mitsubishi can be temperamental in cold weather but tried what another post said and it was a lot easier in extreme cold weather starting. 1. Block heater turned on 4 hours prior to starting. 2. Start on full choke at about 1/3 throttle and let run for about 3-4 minutes on full choke. 3. After 4-5 minutes ran on 1/2 choke for another 5-10 minutes while hydraulic fluid was warming. Seemed to work for me the last time I did a cold weather start at about 10 degrees. Thanks for the helpSmileyand will be waiting for your reply on the carb stuff. I do pretty good at keeping up with email so here is my address Hope to hear from you regarding the electronic ignition kit. John [/QUOTE]
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742B Fuel Shutoff Solenoid?
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