16 PFAFF
18 Checking and adjusting aid
Requirement: The machine can be blocked at adjustment holes 1 to 6, in order to allow
accurate fixing of the required needle bar positions.
.1 Turn balance wheel until needle bar is roughly at required position.
.2 Insert (5 mm) adjustment pin in hole for required adjustment and press against pin.
.3 Turn balance wheel back and forth a little until pin enters the hole in the crank behind the
bearing plate and blocks the machine.
19 Needle to needle hole
Requirement: A perfectly straight needle must enter exactly in the centre of needle hole
(Fig. 2, for needle system see "Specifications").
.1 Loosen screws 2, 3 and 4 (Fig. 3)
.2 Adjust needle bar frame 5 accordingly.
.3 Firmly tighten screw 2.
.4 Using screw 2, pull the guide pin behind it against the eye of needle bar frame 5.
.5 Tighten screw 3, then screw 2.
.6 Loosen screw 3, turn the balance wheel a few times (to remove any binding), then tighten
screw 3 again.
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