Husqvarna E10, Service Manual

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18 104 72 72-26
Play between shuttle driver shaft gear and lower shaft gear
It’s impossible to obtain an equal large play in the rotation of a cogwheel, but it should be as small as possible at the
tightest spot during the revolution.
Check
1. Remove the bobbin case, the shuttle hook holder and the shuttle.
2. Turn the shuttle driver back and forth with a fi nger and check the play.
3. Turn the hand wheel and check the play in at least three positions during the stroke of the shuttle driver.
4. The play shall be noticeable, but not exceed 0.5mm in sideway.
Adjustment of play
1. Remove the free arm cover.
2. Loosen 2mm Allen screws (a, b) of shuttle driver shaft gear.
3. Move the lower shaft gear (A):
- backward if there is a to tight spot.
- forward if the play is too big.
4. Re-tighten the screws of the shuttle driver shaft gear.
5. Insert shuttle hook and check ”Timing of Needle and Hook”.
6. Re-assemble free arm cover, shuttle, shuttle hook holder and bobbin case.
Adjustment of timing between shuttle driver shaft gear and lower shaft gear
1. Loosen 2mm Allen screws (a, b) of shuttle driver shaft gear.
2. Remove shuttle driver shaft gear (A).
3. Set needle to its lowest point. At this position the fl at side of rear end of the shuttle driver shaft shall face 5 o’clock seen
from the rear side of the machine.
4. Re-assemble shuttle driver shaft gear (A), align it with lower shaft gear (B) to mesh with each other at one point (D). If
you need to move lower shaft gear, follow ”Distance adjustment between shuttledriver shaft gear and lower shaft gear”
5. Tighten screws of shuttle driver shaft gear. Tighten fi rst the Allen screw positioned at fl at side of the shaft.
6. Check the play of the shuttle driver, above.
7. Insert shuttle hook and check ”Timing of Needle and Hook”.
8. Re-assemble back cover, free arm cover, shuttle, shuttle hook holder and bobbin case.
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