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  1. #1

    Join Date
    Apr 2019

    Kommander Z122R 48"

    Good day. I started having problems last mowing season but it only happen 2 times during the year and a 3rd time on the very last start before putting up for the winter. When I sit down on the seat and attempt to start (PTO is off, handles in the correct position, Brake Engaged, I only get a click from the starter. It appears it wants to engaged but it only clicks. When it happened a few times last year, I attempted to reset the brake a few times, the PTO switch a few times and on and off the seat because I felt it was a safety switch but could not figure out which one. I believe it was the PTO switch but I am not sure how to test or check.

    This machine is 3 years old and has been pretty good so far but I am unable to start her up. She has battery, gas and spark. I just keep getting the clicking when attempting to start.

    Any suggestions as to which safety switch or how to by pass to verify would be appreciated it.


  2. #2

    Join Date
    Mar 2012

    Re: Kommander Z122R 48"

    Two things I would be checking right off the bat. What is you battery voltage? Have you made sure all connections are clean and tight? Here is the procedure I use to diagnose starting problems.
    Electrical* problems can be very easy or very difficult, depending on four things.
    1. * How well you understand basic electricity.
    2. *What tools you have and know how to use.
    3. *How well you follow directions.
    4. *You don't overlook or assume anything and verify everything.

    Remember we cannot see what you are doing. *You are our eyes, ears and fingers in solving this problem. *You must be as accurate as you can when you report back. *The two basic tools we will ask you to use are a test light and a multi-meter. *If you have an assistant when going through these tests it would be very helpful. *These steps work the best when done in order, so please don't jump around. *Now let's solve this problem.

    First, check the fuse(s), check battery connections for corrosion (clean if necessary) and *voltage - above 12.5 volts should be good.*

    Second, check for power from the battery to one of the large terminals on the solenoid. *One of the wires is connected directly to the battery and has power all the time so one of the large terminals should light a test light or show 12 volts on a meter at all times.*

    Third, *check for power at the small terminal of the solenoid while depressing the clutch/brake pedal and holding the key in the start position (you may need an assistant to sit in the seat to override the safety switch). If your solenoid is a four wire solenoid, check both small wire terminals as one is ground and the other is power from the ignition switch. *If your solenoid is a three wire solenoid, make sure the solenoid body is not corroded where it bolts to the chassis of the mower as this is your ground path back to the battery. *If in doubt, remove the solenoid and clean the mounting area down to bare metal. *If there is no power to the small terminal then your problem is most likely a safety switch, ignition switch or in the wiring.*

    Fourth, check for power on the other large terminal of the solenoid while holding the key in the start position q(you may need an assistant to sit in the seat to override the safety switch).*

    Fifth, check for power at the starter while holding the key in the start position (assistant again).*

    Sixth, check your ground circuit back to the battery.

    After you have gone through each of the above steps, let us know what happened when you did each step. *At that point we will have great info to tell you how to proceed. *Remember you are our eyes, ears, and fingers, so please be as accurate as possible.

    Be as specific as possible with voltage readings as this will help diagnose your problem quicker. *If you do not know how to perform the above checks, just ask and I will try to guide you through it. *Youtube also has some videos and as you know a picture is worth a thousand words.
    This is only my opinion, and many will say it ain't worth a darn, as I'm only a retired grease monkey instructor and not a professional mechanic. Use what I post at your own risk as you know teachers only know book knowledge.

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