Motor Belt Tension - Janome HD718 Service Manual

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MOTOR BELT TENSION

TO CHECK:
The correct motor belt tension is achieved when the belt pushes in about 7 mm - 9 mm under
a pressure of about 300 grams.
ADJUSTMENT PROCEDURE:
1.
Remove the belt cover. (See page 6)
2.
Loosen setscrews (A) and (B).
3.
Move the motor up or down to adjust the deflection to about 7 mm - 9 mm.
4.
Tighten setscrews (A) and (B).
MECHANICAL ADJUSTMENT
Setscrew (A)
300g Load
Deflection 7-9 mm
(A)
(B)
Moter
27
Setscrew (B)

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