–2–
1
1) Install the control box to the table with the fitting
bolt(asm.)suppliedwiththeunitasaccessories.
Atthistime,insertthenutandwashersupplied
withtheunitasaccessoriesasshowninthe
figure so that the control box is securely fixed.
2) Setthemachineheadtothetableafterinstalling
thecontrolbox(orwithsmall-sizedmotor)tothe
table.(RefertoInstructionManualforthesewing
machine.)
(2) Installing to the table
) Adjustthebelttensionbyturningupperand
lowernuts
1
oftheadjustmentboltandadjust
theheightofthecenterofthemotorsothatthe
beltsags5mm(9.8N)whenthecenterofthe
beltispressedbyhand.
(3) Adjusting the belt (when M-91 is used)
Plain
washer
Spring
washer
Hexagonal nat
When the belt tension is excessively low,
medium or low speed rotation becomes
uneven, or stop accuracy is deteriorated.
When the tension is excessively high,
deterioration of the motor is advanced.
So, be careful.
Approx. 15mm / 9.8N