A
B
Adjusting Backlash between Hook Drive Gear and Lower Shaft Gear
The backlash of gears should be 0.8 mm or less when the tip of the rotary hook is within the
width of the feed dog as shown below.
Adjust the backlash after the adjustment of the clearance between needle and rotary hook.
1. Remove the base cover, base lid and bed
cover.
2. Loosen the hexagonal socket screw
q
.
3. (A) If the backlash is too big or large, turn the
lower shaft bushing
w
in the direction of A.
(B) If the backlash is too little, turn the lower
shaft bushing
w
in the direction of B.
4. Tighten the hexagonal socket screw
q
.
5. Reattach the bed cover, base cover, and base
lid.
q
Hexagonal Socket Screw
w
Lower Shaft Bushing
e
The Backlash of Gears Should be 0.8 mm or
less when the Tip of Rotary Hook is within the
Width of the Feed Dog as Shown.
r
Tip of Rotary Hook
w
q
e
r
12
Summary of Contents for Memory Craft 10001
Page 1: ...SERVICING MANUAL...
Page 42: ...40...
