– 18 –
Right above
45
°
Fig J
(10) Intermediate presser variable connection/disconnection
Procedures of disassembling
1. Remove the presser adjusting screw
. Then, remove the intermediate presser spring
and the guide shaft.
2. Remove the intermediate presser auxiliary spring
.
3. Remove the stepscrews
,
, and
.
4. Remove the stepscrew
.
5. Remove the stepscrew
, and then the intermediate presser variable plate
and the variable plate
spacer
.
6. Remove the stepscrew
, and then the intermediate presser variable link
.
(At that time, insert a hexagonal wrench through the arm screw hole A and apply it to the setscrew
as a
means of turn stop for the intermediate presser variable arm
.)
7. Loosen 2 each of the setscrews
,
, and
.
At that time, the second screw should be loosened first. The first screw of the setscrew should be removed,
completely separate from the flat part of the intermediate presser variable shaft
.
8. After the intermediate presser variable arm
and the intermediate presser variable shaft
have been
pulled out in the direction of the Arrow B, loosen the setscrew
and pull out the intermediate presser
variable shaft
from the intermediate presser variable arm
.
At that time, both of the setscrews
should be separated completely from the flat parts (2 positions) of the
intermediate presser variable shaft
.
9. Loosen the 2 setscrews
and remove the trailing gear
, he intermediate presser motor installing base
, and the intermediate presser motor
.
10. Loosen 2 each of the setscrews
,
,
and
.
At that time, the second screws of the setscrews
and
should be loosened first. The first screw of the
setscrew should be removed, completely separate from the flat part of the intermediate presser lifting shaft
.
11. Remove the E ring
and pull out the intermediate presser lifting shaft
in the direction of the Arrow C.
229.5mm
H
D
4.4mm
C
B
E
0.5mm
G
A
27.0mm
