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VARIABLE SPEED DRIVE SYSTEM
PREVENTIVE MAINTENANCE
All maintenance must be performed WITH THE ENGINE OFF!! For the best results,all work should be performed prior to running the kart.
- Maintenance will include proper cleaning and lubrication of the driver and drivenbushings. This should be performed at least semi-annually. Weekly
inspections of thethree wear plugs is recommended before damage occurs to the driven unit (larger pulley).Replacement of the wear plugs can prevent costly overhaul of the driven unit.
- To properly lubricate the driver unit, it must be cleaned first. After disassembly, justwipe out excess dirt with a clean rag. After the driver
unit has been cleaned, apply Max-Torque's dry lubrication to the angled lop of the weights, the four lobes of the spline, and the hub of the sheave where the bushing rides. Wipe any excess lubrication off the
sheaves. Clean the driven unit at the same time you clean the driver. Use the same dry lubricant on the driven unit, the bushing, the spring, the ramps, and wear plugs. When placing the driven unit back on the
jackshaft, only use the 2.7" key provided.
- Upon cleaning the driven unit, if the wear plugs appear worn or missing, they must be replaced. Failure to do this will result in the cam
unwinding the spring.
- Keep the belt dry when running. Do NOT get oil or lubrication on the belt or the in-side of the sheaves where belt contact is made or excess slip
will occur. Oil/lubrication must be cleaned off prior to using your kart or you will destroy the belt.
- Only use the belt provided, it has been designed to open the driven unit sheaves to the proper dimension for the highest speed range. If your belt
shows signs of uneven wear, it may be due to the engine crankshaft and jackshaft not being aligned perfectly parallel.
- Your variable speed drive system should be mounted on parallel shafts - the driver on the engine crankshaft parallel to the driven on the
jackshaft. In idle, the belt should be straight in the sheaves and square to the crankshaft and jackshaft. DO NOT FLOAT the driver unit on the crankshaft. Only the driven unit floats on the jackshaft to align with
the driver unit as it attains the various speed ratios. The sprocket mounted on the jackshaft must be aligned parallel with the rear sprocket. Misalignment can cause damage to the chain. The driver unit must always
be in neutral to move in reverse. Any backwards movement while your Variable Speed Drive System is engaged may cause damage, such as:
unwinding the spring in the driven unit
breaking the wear plugs
or damaging the cams.
Such action is caused by the driver and will not be covered under warranty
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