Reliable MSK-8900M Instruction Manual page 6

3. Installing the knee lifter (Fig. 4)
Install the knee lifter
shaft and fix it by screw
4. Adjusting the knee lifter mechanism (Fig. 5)
(1) Lay down the presser foot lifting bar
lower the presser foot
(2) Loosen the nut
(3) Press the knee lifter plate cover
movement amount of the knee lifter positioning
bracket about 2mm, then adjust the screw
(4) After adjustment, tighten the nut
(5) Loosen the nut
(6) Adjust screw to make its length above the
bracket 8mm;
(7) Adjust screw , the clearance between presser
foot and needle plate should be less than 13mm when
the knee lifter is pressed to its maximum position;
(8) After adjustment, tighten the nut
5. Installing the V-belt (Fig. 6)
(1) Lower the machine head and install the belt
on the hand wheel and motor pulley;
(2) Press the belt
of 4.9N (500gf), adjust the nut
a slack of 10~14mm.
on the knee lifter hinge
.
;
;
to make
;
.
;
.
by forefinger with the power
to make the belt
to
4 4
5 5
6 6