Sharp LC-20VA, Руководство оператора

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OPERATOR’S MANUAL
P 10 / 57
d. Trouble Shootings :
1
、
Dismantling of 20VS, 20VA, 20VB, 20VSG, 20VGA, 20VHS, 20VHA, Motor (Fig 9) :
a. Start the motor and turn the speed change handwheel ( A ) to the position of 60 RPM appeared on
the indicator to lower down the stationary motor varidisc to the lowest position.
b. Cut off the motor power source and take off main power source.
c. Remove motor pulley cover ( B ) under the motor shaft. Then, use the two hexagonal concave
bolts ( C ) that locked the bearing housing, to insert into the two holes of the speed change spring
pieces ( D ). Lock into the motor var-disc ( E ) and evenly lock up the two bolts ( C ). Push down
the speed change spring ( F ) so as to separate it from the retainer ring ( G ).
d. Take out the retainer ring ( G ).
e. Take off the two hexagonal bolts ( H ) that locked the motor. The motor may be lifted up. Motor
vari-disc ( E ) and speed change belt are still kept inside the belt housing.
f. Once the motor is replaced, just reverse the order of dismantling.