JUKI MOL-254 Engineer's Manual page 137

Disassembling
1. Remove the loop supply cover.
2. Remove belt receiver
3. Loosen screw in the cam roller shaft and remove cam roller shaft
rear side of the loop supply frame.
4. Loosen screws in the stopper thrust collar.
5. Loosen screws in the loop supply guide shaft, draw out loop supply guide shaft
loop supply slide base
Further, although disassembling of the following three portions can be performed, refer to the respective
pages for the disassembling.
○ Disassembling/assembling of the loop supply cam portion(See page 131.)
○ Disassembling/assembling of the loop supply belt portion (See page 133.)
○ Disassembling/assembling of the loop supply unit portion (See page 135.)
Assembling
1. Insert loop supply guide shaft
collar , rubber stopper
order, insert loop supply guide shaft
and fix loop supply guide shaft
shaft is aligned with the rear end face of the bearing portion of the supply frame.
2. Fix thrust collar while removing the thrust play of sleeve
3. Assemble cam roller
groove from the rear side of the supply frame. At this time, check that cam roller
without looseness.
4. Apply grease to the supply cam groove.
5. Adjust loop supply slide guide
supply slide base is 0.1 mm or less in the whole sliding range.
6. Fix belt receiver .
7. Adjust loop supply slide base sensor
Disassembling / Assembling
and separate timing belt
.
from the rear of the supply frame, further, insert sleeve
(1 pc.), supply slide base, and rubber stopper (1 to 2 pcs.) in the written
into the bearing portion on the left side of the supply frame,
at the position where the left end face of the loop supply guide
and cam roller shaft to folding shaft metal
so that the vertical looseness of the sliding shoulder of loop
. (See page 111.)
130
− −
from the loop supply unit.
and cam roller
by thrust collar
through the supply cam
from the
, and remove
, thrust
.
turns smoothly