Leatherwork Guidebook - Flipbook - Page 33
Clutch Will Not Disengage
If the clutch will not disengage, first remove the reverse threaded Posi-Pin® nut (p. 10, C) from the
balance wheel (p. 10, B). Remove the balance wheel. Polish and lubricate the Posi-Pin bushing shaft
that the balance wheel rides on. Slide the balance wheel back on and screw the reverse threaded
Posi-Pin nut down.
Removing the Hook to Clean the Shuttle Race
Guide Shaft & Free Thread Jams
Perform these steps with care:
1. Move the needle to its highest point.
2. Remove the bobbin case/bobbin.
3. Turn each lever (K) one half turn
away from the retaining ring (L).
retaining ring should be facing out.
8. Replace the bobbin and bobbin
case before beginning to sew.
4. Pull the axle of the hook to remove
retaining ring (L) and hook (M).
5. Gently remove the accumulated lint and
thread from the retaining ring (L), hook
(M) and driver (N). Use a small brush to
clean the parts or blow out the debris.
6. Replace hook (M) opposite driver
(N). The hook just rests in place.
Be sure the axle is facing out.
7. Replace retaining ring (L) so that both
pins are under the black levers (K)
when turned. The polished side of the
Leatherwork® Guidebook
36
N
L
K
M
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