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HOW TO REMOVE THE STITCH LENGTH REGULATING KNOB
AND THE REGULATING SHAFT (Fig. 75) . . . 76
HOW TO REASSEMBLE THE STITCH LENGTH REGULATING
KNOB AND THE REGULATING SHAFT . . . 76
H OW T O R E A S S E MB L E T H E F E E D E C C E N T R I C ROD N"
D 85506 AND THE CONNECTING RODS OF THE STITCH
LENGTH REGULATING MECHANISM
((Fig. 74 and 75) 79
- General Rules with Reference to important Adjustments
of Stitch Length Regulating Knob and Regulating Shaft 80
- Adjustment of the Friction of the Stitch Length Re-
gulating Knob . . . . . . . . 81
3 - Zero Position of the Stitch Length Regulating Knob 82
ADJUSTMENT OF THE FEED DOG DISENGAGING ME
CHANISM (See figs. 79 and 80) 83
ADJUSTMENT OF THE ECCENTRIC N° 85663 ON THE NEEDLE
POSITIONING LEVER N° C 85662 (Fig. 81) . . 86
ADJUSTMENT OF THE AXIAL PLAY (END PLAY) OF
THE UPPER SHAFT 87
ADJUSTMENT OF THE CONTACT FINGERS N° A 26/1/23
AND N° A 26/1/13 WHICH REGULATE THE POSITION
OF THE NEEDLE AND THAT OF THE ZIG-ZAG WIDTH
REGULATING LEVER 89
ADJUSTMENT OF THE FEED REGULATING ROD
(W HICH REGULATES THE "AUTOMATIC" LENGTH
OF THE STITCH N" A 26/3/21 92
L
Some Troubles and their Remedies..... 95
ADJUSTMENT OF THE NUMBER OF IMPULSES FOR
EACH TURN OF THE CAM AXLE 96
How to count the Number of Impulses of the Cam
Axle 98
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