Replacing the Needles
Disassembly
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WARNING
Needles are extremely sharp and can puncture skin with a minimal
amount of pressure. Use extreme care when handling.
1. Unplug the unit.
2. Open the front door.
3. Remove the needle lock screw.
4. Remove the needle.
Assembly
1. Insert the needle, with the scalloped cut in the needle facing the needle lock screw.
2. Insert the needle lock screw. (If necessary, rotate the needle so the screw fits
into the scalloped cut in the needle.)
3. Tighten the screw.
NOTE
The screw lock is designed to prevent squeezing of the hollow
needle by the needle lock screw. After the needle lock screw is
tightened, the needle may still appear to be loose. This is a
normal condition and will not adversely affect fastener
insertion.
Scallop Cut
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