702854boy 44 #1 Posted January 20 Lately we've been having trouble off and on with our 702. Today, it started just fine and we had it running for probably 45 minutes. However, when we shut it off to get the transmission unstuck out of gear, it would not start back up. It was barely even cranking. However, a few days ago, I tested the charging system I think because at idle it was showing 12.5 volts and at full throttle it was showing somewhere around 15. It even has a new battery that we got on Saturday. I can't tell from the voltmeter what is going on as it works on and off. But, I tried jumping it with our other tractor and that didn't work, then I tried the boost setting on the battery charger and that didn't work, then I tried the engine start on the battery charger and that still didn't work so now I have it on the charger and will check it in a few hours. We have not tried going through the s/g yet but it is probably due since I don't think it has ever been gone through. 1 Share this post Link to post Share on other sites
ri702bill 8,637 #2 Posted January 20 Is the S/G excessively hot to the touch??? Worn bearing(s) and or bushing can allow the commutator to short out.... Share this post Link to post Share on other sites
702854boy 44 #3 Posted January 20 I haven't tried touch the s/g but when I was in that area I didn't feel any heat which I probably would have since it is -8 outside right now. 1 Share this post Link to post Share on other sites
squonk 41,774 #4 Posted January 20 How much of this is the original style high amp switch and wiring? Did anyone ever install a starter solenoid? What kind of shape are the cables in? It's takes almost 70 amps of inrush current to get a starter/gen rolling. And there are 2 windings in the shell of the generator. It can charge fine but not start. 1 Share this post Link to post Share on other sites
702854boy 44 #5 Posted January 20 There is no starter solenoid I think, I think it has the original push button and key switch and the wiring was just redone last year shortly before the show and even before that, the tractor was rewired at one already. Share this post Link to post Share on other sites
702854boy 44 #6 Posted January 20 2 hours ago, squonk said: How much of this is the original style high amp switch and wiring? Did anyone ever install a starter solenoid? What kind of shape are the cables in? It's takes almost 70 amps of inrush current to get a starter/gen rolling. And there are 2 windings in the shell of the generator. It can charge fine but not start. 3 hours ago, 702854boy said: jumping it with our other tractor and that didn't work, then I tried the boost setting on the battery charger and that didn't work, then I tried the engine start on the battery charger and that still didn't work so now I have it on the charger and will check it in a few hours. We have not tried going through the s/g yet The charge is 10 Amp, the boost is 20 Amp and the engine start is 150 Amp so I don't know what the problem is Share this post Link to post Share on other sites
squonk 41,774 #7 Posted January 20 (edited) 17 hours ago, 702854boy said: The charge is 10 Amp, the boost is 20 Amp and the engine start is 150 Amp so I don't know what the problem is The problem is your starting current isn't getting to the start coil of the generator by either the switch or cables---- Or the start coil in the generator itself has failed. Check all of the grounds too Edited January 21 by squonk Share this post Link to post Share on other sites
702854boy 44 #8 Posted January 20 6 minutes ago, squonk said: The problem is your starting currentisn't getting to the start coil of the generator by either the switch or cables---- Or the start coil in the generator itself has failed. Check all of the grounds too I was planning on checking all of the grounds because I would also like to get the volt meter working again as it works occasionally Share this post Link to post Share on other sites
squonk 41,774 #9 Posted January 20 702 came from the factory with an ammeter. Has it been changed to a voltmeter. If it's still an ammeter and in the circuit it could be your issue 2 Share this post Link to post Share on other sites
702854boy 44 #10 Posted January 20 Yes it was converted to a volt meter, we did that last year when we redid the wiring. We do still have the factory ammeter but, it is on our 854 because I thought it looked coller than the sw ammeter that it had. Do any of you know of a wiring diagram that includes a volt meter instead of the ammeter? 1 Share this post Link to post Share on other sites
702854boy 44 #11 Posted January 20 Could anything in the voltage regulator be part of my problem? Share this post Link to post Share on other sites
cleat 6,796 #12 Posted January 21 If you are getting 15 volts to the battery at full throttle then the charging system is working fine. Problem is somewhere else I would think. 1 Share this post Link to post Share on other sites
702854boy 44 #14 Posted January 21 Would the starter from a k301 work on the k161? Share this post Link to post Share on other sites
953 nut 56,453 #15 Posted January 22 19 hours ago, 702854boy said: Would the starter from a k301 work on the k161? Share this post Link to post Share on other sites
