Needle Bar Rise, Readjustment Of The Needle Height And Bobbin Case Position Stop - Pfaff 3822-2/42 Instruction Manual

Adjustment
13

Needle bar rise, readjustment of the needle height and bobbin case position stop

.05.20
13 - 22
Requirement
With the stitch length set at "0" and the needle bar positioned 1.8 mm past b.d.c.
(adjustment hole 4)
1. The point of the hook should be in centre of the needle and the top edge of the needle
eye should be 0.8 mm below the hook point.
2. There should be a clearance of 0.5 mm between the lug of position stop 3 and the
bottom of the stop groove.
0,05 - 0,1 mm
3
0,5 mm
49-068
Fig. 13 - 20
Adjust the hook (screw 1 1 1 1 1 ) and needle bar (screws 2) according to requirement 1 without
twisting them.
Position the lug of position stop 3 in the groove of the bobbin case base and adjust and
fasten it according to requirement 2.
1
2