Installing To The Table; Adjusting The Belt (When M-91 Is Used) - JUKI DLU-5494N-7 Instruction Manual

(2) Installing to the table

Plain
washer
Spring
washer
Hexagonal nat

(3) Adjusting the belt (when M-91 is used)

1
Approx. 15mm / 9.8N
–­2­–
1) Install the control box to the table with the fitting
bolt­(asm.)­supplied­with­the­unit­as­accessories.­
At­ this­ time,­ insert­ the­ nut­ and­ washer­ supplied­
with­ the­ unit­ as­ accessories­ as­ shown­ in­ the­
figure so that the control box is securely fixed.
2)­­ Set­the­machine­head­to­the­table­after­installing­
the­control­box­(or­with­small-sized­motor)­to­the­
table.­(Refer­to­Instruction­Manual­for­the­sewing­
machine.)
)­ Adjust­ the­ belt­ tension­ by­ turning­ upper­ and­
lower­ nuts­ 1 ­ of­ the­ adjustment­ bolt­ and­ adjust­
the­height­of­the­center­of­the­motor­so­that­the­
belt­ sags­ 5­ mm­ (9.8N)­ when­ the­ center­ of­ the­
belt­is­pressed­by­hand.
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.