Brother PR-620 Specifications download pdf (Page 230)

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Adjustment Needle threader adjustment (right/left)

Right/left position adjustment

1. Enter the test mode, and press [MAIN BOARD TEST MODE] and then [NEEDLE THREADER].

2. Press [RIGHT - LEFT] POSITION]. The reference needle bar for needle threader right/left position adjustment is

selected and the needle bar case final assembly moves.

3. Loosen the screw 1.

4. Manually lower the needle thread assembly's rack to the bottom, and move the hook to the position immediately

before the needle hole.

5. Manually hold the bush, and rotate the hook holder assembly using a screwdriver to adjust the right and left

positions of the hook assembly.

6. Tighten the screw 1.

7. Check that the hook passes through the needle hole for the other 5 needle bars.

*Key point

• Pressing [

←] and [→] selects the other needle bars.

Torque

0.59 - 0.78 N-m

Set Screw, Socket (CP)

M3X3

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Brother PR-620 Specifications Page 230

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