Mounting Of The Step Motor - Husqvarna 6690 Manual

Guiding of the feeding movement

Mounting of the step motor

Check that the long adjustment screw (11/31)
is positioned to enable setting at both sides.
Push the chain wheel (7/6), fork (7/24) and
connecting rod (7/27) to the right. Thread the
long adjustment screw through the large hole
and out through the hole above the motor. The
fastening shaft (11/20) in front of the guide is
inserted with the bushing through the hole in the
end of the arm. Hook on the spring for the feed
dog lowering (11/44) and check that the hook
on the feed dog lowering button is behind
the fork. Place the block on the stud of the fork
and push the fork to the left, to enable the block
to go in the guide. Screw the hexagon support
(11/47) on the guide shaft (11/20) and push it
in against the bushing.
Screw in the screw (11/35) at the long
adjustment screw, Mount the Cable
groove. Mount the transformer then with
fastening plate (14/27). Now mount the printed
circuit (4/35) for the stop-right function and
check that the screen plate (7/41) in the
handwheel can move freely between the reed
switch and that it does not strike against the
holder of the reed switch. If there is insufficient
movement, loosen the screw (11/19) for the
guide shaft and adjust the position of the printed circuit.
Screw in the screw (11/19) at the guide shaft. Set 0.3 mm axial play in the guide and
allow the stud of the fork in the crank itself to find its position screw the set screw (10/12)
into the rocker bar. Push the chain wheel on the shaft,
letting the chain belt run vertically and screw in the set
screw against the plate.
Check the movement of the chainbelt.
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