CONTENTS
1. NEEDLES & THREADING THE MACHINE
10. THE ADJUSTMENT OF CUTTING DEVICE
1-1 Needles ···························································· 1
1-2 Replacing the needle ······································· 1
1-3 Threading the machine ··································· 1
2. MACHINE SPEED
2-1 Machine speed & direction in which the machine
pulley runs ······················································ 2
2-2 Motor & belt ···················································· 2
3. LUBRICATION
3-1 Oil ···································································· 3
3-2 Oiling ······························································· 3
3-3 Replacing the oil and the oil element ············· 3
4. SEWING MACHINE INSTALLATION
4-1 Cutting the machine table ······························ 4
4-2 Installing the machine ···································· 5
5. TIMING OF THE LOOPER TO THE
NEEDLES
5-1 Angle and height for installing the looper ····· 5
5-2 Looper left-to-right movement ························ 6
5-3 Looper setting distance ··································· 6
5-4 Needle height ·················································· 7
5-5 Needle/looper front-to-back relationship ········ 7
5-6 Changing the looper orbit ······························· 8
5-7 Changing the amount of the looper front-to-back
movement ························································ 8
6. FRONT AND REAR NEEDLE GUARDS
6-1 Position of the needle guard (rear) ················· 9
6-2 Position of the needle guard (front) ················ 9
7. FEED DOGS & STITCH LENGTH
7-1 Feed dog height & tilt ··································· 10
7-2 Stitch length ·················································· 11
7-3 Differential feed ············································ 11
8. PRESSER FOOT
8-1 Presser foot pressure ····································· 12
8-2 Position of the presser foot & foot lift ··········· 12
9. STITCH FORMATION
9-1 Position of the needle thread guides ············ 13
9-2 Position of the thread guide on the needle
thread take-up ··············································· 13
9-3 Position of the needle thread guard ············· 13
9-4 Position of the thread guide of the looper thread
take-up ··························································· 14
9-5 Position of the looper thread take-up ··········· 14
10-1 The specifications for C and PC type ··········15
10-2 Lubrication ···················································15
10-3 Adjustment of cutting width ·······················15
10-4 Replacement for folder ································16
10-5 Adjustment of knife pressure ······················16
10-6 Adjustment of the front presser foot pressure
········································································16
10-7 Replacement of upper knife ························17
10-8 Replacement of stationary knife ·················17
10-9 The way of remove of cutting device ···········18
11. ADJUSTING THE REAR PULLER
11-1 Position of the hand lever and the stopper ·19
11-2 To adjust the puller pressure ······················19
11-3 To adjust the feeding amount of the rear puller
········································································19
12. REPLACING THE TIMING BELT
12-1 Marks on the timing belts ···························20
12-2 To remove the timing belt ···························20
12-3 To place the timing belt ·······························21
13. CLEANING THE MACHINE
······················21
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