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Page 43
SPEED CONTROL PROBLEMS
If you have problems with erratic speed control while operating the machine, the
cause may be either electrical or mechanical in nature. You will have to remove
the side covers to conduct most of these tests.
A. Perform a visual check of the machine. Check the following things first:
1. Inspect the Poly- V belt for proper tension and excessive wear. A loose
belt will cause excessive noise and wear. The machine will run slug-
gishly if the belt is too tight.
2. Replace a worn or frayed Poly-V belt. Adjust the belt so that there is 1/
10" (0.3 cm) deflection at a point midway between the alternator and
transmission pulleys with fingertip pressure (See Drawing Below).
3. Check for proper wire connections on the alternator, relay assembly
circuit board, and load resistor (See Drawing Below).