4 - 28
Adjustment
Needle threader adjustment (up/down)
Up/down position adjustment
1. Enter the test mode, and press [MAIN BOARD TEST MODE] and then [NEEDLE THREADER].
2. Press [
←
] or [
→
] to select the number 1 needle bar, and the needle bar case final assembly moves.
3. Manually lower the needle thread assembly's rack to the bottom, and check the height of the hook's top face and
the height of the needle hole's top edge. Raise the rack to its original position.
4. Repeat the same steps to check the height for the other needle bars (numbers 2 to 6).
*Key point
• Pressing [
←
] and [
→
] selects the other needle bars.
5. Loosen the screw
1
.
6. Adjust the up/down position of the base plate assembly (hook) to the highest needle bar position checked through
steps 2 to 4 above.
7. Tighten the 2 screws
1
.
1
Torque
1.18 - 1.57 N-m
Screw, Pan (S/P washer)
M
4X8DB
1
The hook is 0.1 to 0.3 mm lower than the top
end of the needle hole when the hook is
threaded through the needle hole.
Hook
Needle hole
0.1 - 0.3mm
Summary of Contents for PR-600II
Page 1: ......
Page 2: ......
Page 20: ...2 2 Main parts Main unit ...
Page 33: ...2 15 Disassembly Feed unit Main unit ...
Page 44: ...2 26 Needle thread unit Main unit ...
Page 47: ...2 29 Disassembly Needle bar change unit Main unit ...
Page 50: ...2 32 Thread wiper unit Main unit ...
Page 54: ...2 36 Needle bar unit Main unit ...
Page 60: ...2 42 Upper shaft unit Main unit ...
Page 70: ...2 52 Lower shaft unit Main unit ...
Page 73: ...2 55 Disassembly Power unit Main unit ...
Page 78: ...2 60 Thread cut unit Main unit ...
Page 82: ...2 64 Thread tension unit Main unit ...
Page 91: ...2 73 Disassembly Operation panel Main unit ...
Page 98: ...2 80 ...
Page 100: ...3 2 Operation panel Main unit ...
Page 108: ...3 10 Thread tension unit Main unit ...
Page 118: ...3 20 Thread cut unit Main unit ...
Page 122: ...3 24 Power unit Main unit ...
Page 128: ...3 30 Lower shaft unit Main unit ...
Page 132: ...3 34 Upper shaft unit Main unit ...
Page 147: ...3 49 Assembly Needle bar unit Main unit ...
Page 157: ...3 59 Assembly Thread wiper unit Main unit ...
Page 162: ...3 64 Needle bar change unit Main unit ...
Page 166: ...3 68 Needle thread unit Main unit ...
Page 170: ...3 72 Feed unit Main unit ...
Page 188: ...3 90 Main unit Main unit ...
Page 282: ...4 42 ...
Page 311: ...6 1 6Maintenance ...
Page 333: ......