Introduction
Follow this guide to replace the belts on an EDCO PRO KL-18 Concrete Saw model 39600-HD.
Tools
Parts
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Grab the plastic housing at the end of the spark plug wire.
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Pull firmly to disconnect the wire from the spark plug.
 
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Use your finger to spin the lock nut counterclockwise until there is a about a one inch gap between it and the frame.
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Wrap a piece of tape around the belt-tensioner bolt where it meets the frame.
 
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Use a 9/16 inch wrench to loosen the four nuts securing the engine block to the frame, two on the front and two on the back.
 
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Lift the outermost belt out of its pulley groove and rotate the motor pulley to remove it.
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Repeat for the two remaining belts.
 
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Use the two included 1-1/2 inch wrenches to twist the arbor shaft nut counterclockwise while holding the backing plate in place.
 
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Use a 9/16 inch socket to remove the four bolts securing the arbor shaft bearings to the frame.
 
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To reassemble your device, follow these instructions in reverse order.