HIGHLEAD GC1918 -MDZ, Instruction Manual

----- CONTENTS ----- 

1.

PRECAUTIONS BEFORE STARTING OPERATION ··················································· 1 

1)

Safety precautions ············································································································· 1 

2)

Precaution before Starting Operation ··········································································· 1 

3)

Precaution for Operating Conditions ············································································ 1 

2.

SPECIFICATIONS ················································································································· 1 

3.

PREPARETION BEFORE STARTING OPERATION···················································· 2 

Adjustment of needle bar stop position ··············································································· 2 

4.

PRECAUTIONS FOR STARTING OPERATION···························································· 2 

1)

Lubrication ························································································································ 2 

2)

Adjustment for amount of oil for hook ········································································· 3 

3)

Periodical cleaning ············································································································ 3 

5.

HOW TO USE THE MACHINE ·························································································· 4 

1)

How to attach needle ········································································································ 4 

2)

Threading ··························································································································· 4 

3)

Adjusting of stitch length and reverse sewing ······························································ 4 

4)

Adjustment of the thread guide ······················································································ 5 

5)

Adjusting the thread tension ··························································································· 5 

6)

Adjustment of upper thread tension ·············································································· 6 

7)

Adjustment of lower thread tension ··············································································· 6 

8)

Adjustment of remaining needle thread length after thread trimming ··················· 6 

9)

How to wind the lower thread on the bobbin ······························································· 7 

10)

Adjustment of feed dog height and inclination ···························································· 7 

11)

Adjustment of feed timing ······························································································· 8 

12)

Adjustment of forward/backward stitch length ·························································· 8 

13)

Adjustment of knife engagement ···················································································· 8 

14)

Adjustment of top feeding ······························································································· 9 

15)

Adjustment of sewing shift ···························································································· 10 

16)

Adjustment of feed timing ····························································································· 10 

17)

Presser adjustment of top feed dog ·············································································· 11 

18)

Position adjustment for presser bar base ···································································· 11 

19)

Gauge installation ··········································································································· 12 

20)

Adjustment of upper horizontal forked arm ······························································ 13 

21)

Adjustment of front and back positions for presser foot ·········································· 13