Wednesday, August 13, 2014

Trailmaster Torque Converter Service


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Do you have a go kart, but get tired of paying someone to service it all the time? We're here to help. This series will walk you through some of the most common technical maintenance tasks associated with go karts. This week's lesson will walk you through the regular maintenance procedure for a torque converter (clutch). You may read through the text and photo version, scroll to the bottom to view the video, or view the video on YouTube here.




***Notice: This tutorial applies specifically to TrailMaster MID karts. Though the exact details may differ, the general procedure and techniques apply to any type of kart with a torque converter. Be sure to evaluate your kart before you begin***






1-- Remove the cover bolts with a 10mm socket. There are 3 bolts on the Mid kart. Take care to NOT DROP THE SPACER/RETAINING BOLT.




2-- Step 2 involves two options. The video demonstrates both techniques. This tutorial will describe both methods as well.
OPTION 1: Secure washer with vice grips. Remove the center bolt with 10mm socket/wrench.



OPTION 2: Insert a large flat head screw driver into the slot on the washer. Hold screw driver to maintain the position of the washer while removing the center bolt with a 10 mm socket/wrench.





3-- Remove pulley and center lug from shaft.










At this point, your clutch will look like this:







4-- Clean the center lug and pulley with carburetor cleaner, soap and water, degreaser, or another cleaning agent.




5-- Lubricate the outside surface of the lug with a small amount of wheel bearing grease. Wipe away any excess.



6--Reassemble the clutch:


  • Shoulder on lug should face away from the engine
  • Align the key on the lug with the keyway on the shaft
  • Align flat edges of pulley hole with shoulder on center lug
  • Insert washer with the key aligned to the keyway
  • Insert bolt and tighten by using the same method used to remove bolt






Replace the cover and secure the three bolts with the 10mm socket or wrench.


For further clarification, watch our video below or view it on YouTube here.


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