Instruction manual

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(5). Adjust the force required to operate the foot pedal :
B
A
C
D
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Components of the speed control unit: see figure
A： Spring for toeing forward force adjustment
B： Bolt for heeling backward force adjustment
C： Treadle / Pedal arm。
D： Pitman Rod for Treadle / Pedal
Term of adjustment
Toeing forward
force adjustment
Heeling backward
force adjustment
Treadle stroke
adjustment
Adjustment result
Spring A move to right = force increased
Spring A move to left = force decreased
Bolt B turn = force decreased
Bolt B turn = force increased
Rod D secure at right = stroke is longer，
Rod D secure at left = stroke is shorter。
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