104 72 30-26 Husqvarna service manual 55
Arm shaft
Dismounting
Dismount: rear cover (P.44).
sewing head (P.54).
connecting rod (P.51).
and tilt the stitch regulator fork (B)
outward (P.51).
Remove the belt tensioner (C).
Remove the handwheel.
Loosen the screws for the bearing clamps (D).
Remove the arm shaft. Note! Do not damage the arm shaft transmitter.
Mount in the reverse order.
NOTE!
The axial play of the arm shaft is adjusted by means of belt wheel (E).
The play must not exceed 0.005 mm.
Thereafter set:
The setting of the presser foot at right angles to the feeding direction (P.25).
The gap between the hook and the needle (P.28).
The setting of the stitch plate in relation to the needle (P.29).
The timing of the hook in relation to the needle (P.30).
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