70
Flywheel and Left Drive Belt
21. To remove the hardware from the Flywheel, use the 17mm open end
wrench to hold the Flywheel lock nut (5) on one side steady and remove
the nut on the opposite side with the 17mm socket and wrench. Set them
safely aside for reassembly.
Note:
If you are only replacing the Drive Belt, it is only necessary to
loosen these parts.
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the Threaded Tensioners (6) on both sides of the machine. Record the
information for reassembly. Using a 10mm open end wrench, loosen the
Adjustment Nuts (7).
23. Slowly turn the Second Stage Crank assembly backward and carefully
ease the Left Drive Belt off the Second Stage Crank pulley to the outside.
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the Crank pulley.
24. Remove the Adjustment Nuts (7), Spindle Clips (8) and Threaded
Tensioners (6) on both sides of the machine. Set them safely aside for
reassembly.
Note:
If you are not replacing the Flywheel, you can skip this step.
25. Remove the Flywheel from the Main Frame brackets and the Left
Drive Belt.
Note:
The Flywheel is heavy.
26. Remove the old Left Drive Belt and set it safely aside.
27. Hold the new Flywheel near the Main Frame brackets and put the new
Left Drive Belt in position on the Flywheel belt pulley (9). Align the grooves
of the belt with the grooves at the top of the pulley, with the slack of the
belt to the outside. While holding the belt on the pulley, rotate the Second
Stage Crank backward until the belt is completely seated in the grooves.
Make sure the Drive Belt is centered on the Flywheel pulley and Second
Stage Crank.
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the Crank pulley. This step may require two people.
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brackets. Re-install the Adjustment Nuts (7) and Spindle Clips (8) on
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the Adjustment Nuts (7) to the measurement recorded in step 22. Hand
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29. To tighten the Flywheel hardware, use the 17mm open end wrench to
hold the Flywheel lock nut (5) on one side steady and tighten the nut on
the opposite side with the 17mm socket and wrench.
Main frame
brackets
5
7
8
9
Second stage
crank
Flywheel
6
Left drive belt
5