Pfaff 3811-2/45 Instruction Manual page 12

.1 Turn the machine off (mains switch).
.2 Thread the needle in accordance with fig. 1 (taking care to maintain the tension; Chapter 11.2)
.3 Pull the needle thread approx. 7 cm (2 3/4 inches).
Milled nut 1 (fig. 1)
+ = more tension
- = less tension
.1 Turn the machine off (mains switch).
.2 Remove cover 2 (fig. 1) (catch 3)
.3 Thread the hook thread in accordance with fig. 2 and 3.
Milled nut 4 (fig. 2)
+ = more tension
- = less tension
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