Adjustment Of Belt Tension; Installation Of Program Unit (Automatic Trimming Type); Installation Of Belt Cover - SunStar KM-857 Series User Manual

5) Adjustment of belt tension

Once the motor is installed, when the fixing nuts ①,② are
fully unfastened on both sides, tension is created to the belt
④ due to the weight of the motor ③. At this moment, fasten
the fixing nut ① first, then fasten the fixing nut ② tightly.
(See figure 7)
6) Installation of program unit
(automatic trimming type)
(1) Fix the bracket ② onto the program unit ①, using 4
fixing nuts ③.
(2) Then, use 3 fixing bolts ④ to tightly fix the bracket ②,
where the program unit ① has been attached, along with
the back cover. (see figure 8)

7) Installation of belt cover

(1) Attach belt cover "A" onto the back of the machine body as seen in figure 9.
(2) As seen in figure 10, assemble the belt cover support pin ① to the arm base ②, and then attach the belt cover "B" to the
machine. Now, if a bobbin winder is attached on the table, lay down the machine body on its back and attach the belt
cover "B" .
(3) Fix the belt covers "A" and "B" as can be seen on part "K" of the figure.
(4) Fix the lower part of the belt cover "B" onto the machine bed like part "Q" of the figure.
"A"
[Figure 9]
①
②
③
"A"
"K"
②
①
④
③
[Figure 7]
①
②
④
[Figure 8]
"B"
"Q"
[Figure 10]
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