JUKI MOL-254 Engineer's Manual page 145

Disassembling
1. Remove the feed gear cover.
2. Remove screw in feed motor installing plate
motor installing plate
3. Remove feed roller belt
4. Remove feed roller spring
5. Loosen screw in the feed roller sprocket and remove feed roller sprocket
7. Here, feed roller , consumable part, can be replaced.
8. Remove the earth cord of feed roller motor
9. Remove feed motor
10.Remove feed motor sprocket
11.Here, feed motor can be replaced.
Assembling
1. Attach feed motor sprocket
(Caution) Take care of the position of the motor cable (direction). (See the figure on the left.)
2. Attach feed motor
3. Attach the earth cord to feed motor installing plate
(Caution) Take care of the attaching position of the earth cord. (See the figure on the left.)
4. Insert plain washer
the machine head side.
5. Insert feed roller sprocket
fix it while removing the thrust play in feed roller shaft
shaft . Adjust it to screw No. 1 when turning it counterclockwise as observed from the right side.
7. Attach feed roller spring
8. Putting feed roller belt
roller belt on feed motor sprocket
9. Perform the tension adjustment of feed roller belt
making screw A in feed motor installing plate
10.Attach the feed gear cover.
Disassembling / Assembling
.
.
.
from feed motor installing plate
.
to feed motor
to feed motor installing plate
into the feed roller shaft and insert feed roller
from the opposite side of the machine head of feed roller lever
.
on roller sprocket , further assemble the feed roller motor and put feed
as well. Here, temporarily fix feed motor installing plate
138
−
, and remove feed motor
.
.
.
.
.
into feed roller lever
. There is one flat portion on feed roller
by turning the screw position of section B
the rotation center.
−
together with feed
.
from
and
.