POSITION OF THE DISPLAY DRUM INDICATOR
& UPPER LOOPER SHIFTING CAM
F
8
1. Remove: Mains lead - Front cover
2. Make sure if tension cams and levers are set in proper positions when selecting
sewing program 1
"SA
FETY 4THREAD
" (See and Check Page E).
3. Select sewing program 10 "COVER HEM/CHAINSTITCH".
4.Bring the needle bar to its lowest position by turning a handwheel toword you.
5. Loosen screw
"a" and turn the upper looper shifting cam "b" until the hook of the
looper follower "c" falls into the V-shaped holl ow of the cam "b" ʻSee View A ).
Check if a cam
"b" and looper follower "c" are positioned as own in View B .
6. Fasten screw "a" and recheck if the upper looper shifting connector "d" is pulled
up by a spring.
view A
b
c
view B
b
c
a
a
b
c
d
A
SELEC
T
2 mm
1.0~1.5mm
B
Summary of Contents for 1200D
Page 1: ...PARTS LIST SERVICE MANUAL MODEL 1200D First Edition 21 February 2019 ...
Page 2: ...SERVICE MANUAL ...
Page 8: ...ADJUSTMENT OF THE AUTOMATIC TENSION UNIT D d B B r s 6 s r ...
Page 18: ...3b ANGULAR POSITION OF BALANCE WEIGHTS AND POSITION OF ECCENTRICS 16 ...
Page 19: ... a HEIGHT AND ALIGNMENT OF CLOTH PRESSER BAR 4a 5 b c 4 7mm 17 ...
Page 25: ...TIMING OF LOWER LOOPER 8a A B C D b a 5 2mm R1 Fig 1 Fig 2 Fig 3 23 ...
Page 26: ...TIMING OF LOWER LOOPER 8b 24 ...
Page 32: ...CHAIN LOOPER ANGULAR POSITION CLEARANCE ORBITAL TIMING CLEARANCE OF CHAIN NEEDLES GUARD 11d ...
Page 34: ...Fig 2 Fig 1 R F 2mm L2 c d e c a b Fig 4 Fig 3 ...
Page 35: ......
Page 36: ...R1 A a B d c Fig 2 Fig 4 Fig 3 Fig 1 2mm 0 5 0 5mm 0 5 0 8mm ...
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Page 47: ...21c ...
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Page 50: ...ANNEX SETTING POSITIONS OF SL DF DIALS a Fig 1 48 A b a ...
Page 51: ...ANNEX SETTING POSITIONS OF SL DF DIALS b c d g e 2 1 1 C B A 49 ...
Page 52: ...ANNEX SETTIN POSITIONS OF SL DF DIALS c 50 ...
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Page 63: ...PARTS LIST MODEL 1200D First Edition 28 February 2019 ...
Page 64: ...2 MODEL 1200D PARTS LIST 16 15 14 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 745 12 13 ...
Page 68: ...6 MODEL 1200D PARTS LIST 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 17 18 19 19 ...
Page 76: ...14 MODEL 1200D PARTS LIST 1 2 3 4 5 6 6 6 6 9 4 7 8 4 10 10 10 4 4 4 10 4 4 ...
Page 82: ...20 MODEL 1200D PARTS LIST ...
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