----- CONTENTS -----
1.
PRECAUTIONS BEFORE STARTING OPERATION······································································ 1
1)
Safety precautions ···························································································································· 1
2)
Precaution before Starting Operation ···························································································· 1
3)
Precaution for Operating Conditions ···························································································· 1
2.
HOW TO SHANDWHEEL ··················································································································· 2
3.
LUBRICATION ······································································································································ 2
1)
Lubrication
····································································································································· 2
2)
Adjustment of the amount of oil for hook ····················································································· 3
3)
Periodical cleaning ··························································································································· 3
4)
Precaution for position detector ····································································································· 4
5)
Installing the belt cover ··················································································································· 4
4.
HOW TO USE THE MACHINE ·········································································································· 4
1)
How to attach needle ······················································································································· 4
2)
Threading ········································································································································· 5
3)
Adjusting of stitch length & reverse lever ··················································································· 5
4)
Adjustment of the thread guide ······································································································ 6
5)
Adjusting of pressure of presser foot ····························································································· 6
6)
Adjusting the thread tension··········································································································· 6
7)
Adjustment of upper thread tension ······························································································ 7
8)
Adjustment of lower thread tension ······························································································· 7
9)
Thread wiper (for machine equipped with thread wiper) ·························································· 8
10)
How to wind the lower thread on the bobbin ················································································ 8
11)
Adjustment of feed dog height and inclination ············································································· 9
12)
Adjustment of remaining needle thread length after thread trimming ······································ 9
13)
Adjustment of feed timing ············································································································ 10
14)
Adjustment of forward/backward stitch length ·········································································· 10
15)
Adjustment of knife engagement ·································································································· 11
5.
SPECIFICATIONS ······························································································································ 12
6.
PARTS CATALOG ······························································································································· 13
A)
Arm bed & Its accessories ············································································································· 13
B)
Sewing mechanism ························································································································· 17
C)
Feeding and feed lifting & Rotating hook shaft mechanism ······················································ 13
D)
Stitch regulator mechanism ·········································································································· 23
E)
Presser foot mechanism ················································································································· 27
F)
Knife actuating mechanism ·········································································································· 29
G)
Touch back mechanism & Detector mechanism ········································································· 33
H)
Wiper mechanism ·························································································································· 35
I)
Oil lubrication mechanism ············································································································ 37
J)
Accessories······································································································································ 39
Summary of Contents for GA1398-1
Page 6: ...4 7 INSERTING REMOVING THE BOBBIN 8 THREADING NEEDLE...
Page 9: ...A FACE PLATE THREAD TAKE UP LEVER COVER 7...
Page 11: ...B ARM SHAFT THREAD TAKE UP LEVER NEEDLE BAR 9...
Page 14: ...C PARTS FOR UPPER FEEDING MECHANISM 55 12...
Page 17: ...D PRESSER BAR UPPER FEED BAR 15 15...
Page 20: ...E OSCILLATING SHAFT SHUTTLE HOOK 18...
Page 22: ...F THROAT PLATE LOWER FEED ROCK SHAFT 20 20...
Page 24: ...G PARTS FOR THREAD TENSION 22...
Page 26: ...H ACCESSORIES 1 24...
Page 28: ...I ACCESSORIES 2 26 26...