Bobbin Thread Clamp - DURKOPP ADLER 887 Service Instructions Manual

6.5

Bobbin thread clamp

Rule:
The clamping force of the spring (1) should not be set higher than
needed. It should just be able to pull out the lower thread from the
hook.
2 1
–
Sew and cut the threads.
–
Using a screwdriver (2), inspect the thread according the
illustration. Check if the thread is being pulled out of the bobbin
winder or from the clamping (1).
–
Using screw (3), control and adjust the spring pressure (1) until the
rule is fulfilled.
Caution: Risk of injury!
Turn the main switch off.
Only adjust the clamping spring when the machine is turned off.
CAUTION!
Sewing problems can result when the clamping spring is improperly
adjusted.
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