3 - 21
Upper shaft mechanism
Main unit
Assembly
7
Thread hook assy. attachment
*Key point
• Attach after 4 - 23"Adjust the needle thread block."
1. Attach the thread hook assy. 1 to the needle-presser module using screws
1 (two).
*Key point
• Perform 4 - 11"Cassette threading height adjustment."
• Perform 4 - 12"Shuttle return timing adjustment."
1
Torque
Hand start
1
1
Taptite, Bind B
M4X10
Color; Gold
8
Needle-presser module attachment
1. Attach the needle-presser module to the arm bed.
*Key point
• Gather the lead wires (two locations) at the back of the
needle-presser module.
• Raise the presser foot lifter.
2. Attach the presser plate 1 and upper shaft bushing presser 2 using screws
1 (four).
*Key point
• Hand start the screws 1 (four), and fully tighten after 3 - 23
"Upper shaft assy. attachment."
3. Install screw 2.
*Key point
• Hand start screw 2, and fully tighten after 4 - 16 "Clearance
between the needle and the rotary hook point adjustmen."
4. Apply 1 – 2 drops of Sewing Lube to the unit shaft 3.
Start movie clip (CD-ROM version only)
Sewing Lube 1 – 2 drops
1
Torque
Hand start
2
Torque
Hand start
11
1
2
2
Giza Tite
5X16
Color; Gold
Screw, Pan
M3X12
Color; Silver
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