JUKI PS-800-8045 Instruction Manual page 60

6) Fit the bushing jig into the moving knife shaft. Push down link  of the counter knife unit to put the coun-
ter knife shaft into the bushing jig.

①




① Lightly moves
up and down
② Lightly moves
in the direction
②
of rotation


7) Remove reposition spring  of the moving knife. Lift
up the drive motor.
8) Lifting bushing jig  while taking care to prevent it
from interfering with the flat portion of moving knife
shaft  / counter knife shaft  , adjust the position
of the counter knife unit so that the bushing shaft
lightly moves up and down and also lightly moves in
the direction of rotation.
Temporarily tighten the setscrew No. 4 of the counter
knife unit.
9) Put reposition spring  on the spring hook. Turn ON
the power and air to the sewing machine. Reset the
origin.
– 57 –
5) Loosen setscrews 
(seven pieces) of the
counter knife unit.