Drive Belt Deflection Adjustment
Proper drive belt deflection is an important factor for good transmission shifting performance. Make sure the drive belt deflection is set to specification.
Belt Deflection: 0.5” (12.7mm)
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Loosen the 7/16 in. jam nut on the belt width adjuster screw.
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Using a 1/8 in. Allen wrench, turn the set screw inward (clockwise) to increase the distance between the sheaves (increase deflection) or outward (counter-clockwise) to decrease the distance (decrease deflection).
Symptom | Cause |
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Significant “clunk” noise when shifting | Belt too tight |
Difficult to shift | Belt too loose |
Do not shift the transmission if the engine is off.