SyncPRO columns rise too high
I bought your MotionPro SyncPro 08-0411 this past spring and have used it successfully on my 2007 Triumph Speedmaster motorcycle a couple of times. Today I went to use it and when I go to calibrate it (all screws all the way out to start) the two outside columns want to just keep rising out of the tubes. The two inner ones rise about 90% of the way to the top. I quickly shut down the engine to avoid sucking any of the blue fluid into my engine. How can I rectify this situation and make your tool useful once again?
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It sounds like some fluid was lost from the tool, and if that happens, the fluid will rise in the tubes much higher than normal with the same amount of vacuum input. The reason for this is the air space between the calibration screw and the top of the fluid in the reservoir is increased when fluid is lost, and causes this problem. If you look at the air gap between the calibration screw and the fluid in each chamber on your tool, you will probably see differences from one channel to the next. If the tool is in proper condition, all the air gaps should be the same level, and be between 6-8mm. If the fluid level is extremely low in the chambers, the tubes will draw both air and fluid, causing long gaps in the tubes.
There are two critical steps that must be performed each time you use the tool, first to back out all the calibration screws counter clockwise before starting the calibration process, and also calibrating the unit properly EVERY time it is used, even if it is on the same vehicle. Proper calibration means making sure the unit is calibrated to the master carburetor, as calibrating it to an adjustable carb or throttle body will result in incorrect calibration. Also, it is important to avoid closing the throttle too quickly if you are raising the idle to check your adjustments, because rapid closure of the throttle will easily exceed the vacuum limit of the tool. These are the primary causes of loss of fluid from the tool, but evaporation can also be a factor, if the tool is stored in a hot space.
If the air gaps are different in the chambers, or exceed 8mm, the tool will need to be refilled. There is a refill kit available to refill the tool and restore its normal function. The part number for the refill kit is 08-0415 and is available for purchase on our website.
If you need further assistance please feel free to call us at 650-594-9600. Thank you for your inquiry~