Mitsubishi LT2-250 - Knife Meshing Pressure and Sharpening

OPERATION
22 Adjustment of meshing pressure of movable knife and fixed knife
(11 Loosen the fixed knife bracket clamp bolt @.
(2) Turn the vertical position adjusting screw (§) to adjust meshing pressure and thenrighten the
bolt® .
Note: Since excess pressure causes large torque to the thread trimming mechanism and trim
ming failure, adjust it so that thread can be trimmed with minimum pressure.
(3) Move the movable knife and check that the thread can be sharply trimmed.
flISF
Fixed knife
bracket
0))
Vertical position adjusting screw®
23 Sharpening of fixed knife
When the knives dull, the fixed knife should be sharpened as illustrated in Fig.
Since it is very difficult to sharpen the movable knife, replace it with a new one when it dulls.
Oil stone
Fixed knife
- 19 -
From the library of: Superior Sewing Machine & Supply LLC