JUKI MOL-254 Engineer's Manual page 141

Disassembling
1. Loosen fixing screw
2. Loosen screw for adjusting the belt tension attached to motor installing plate
3. Remove supply motor
4. Loosen screw for fixing follower gear and screw
driving sprocket shaft
5. Plain washer is placed between follower gear
6. Loosen screw for fixing follower sprocket assembled in the supply frame and draw out follower
sprocket shaft . Here, belt loop supply belt
7. Replace belt loop supply belt
Assembling
1. Set belt loop supply belt
shaft , and fix follower sprocket
2. Set belt loop supply belt
motor installing plate
3. Adjusting the screw position of follower gear
gear while removing the play in the axial direction. (The flat portion is one place and there is no
distinction between screw No. 1 and screw No. 2.)
4. Making the clearances of both sides of driving sprocket
driving sprocket to the flat portion of driving sprocket shaft
portion is one place and there is no distinction between screw No. 1 and screw No. 2.)
5. Make use of screw
and adjust the belt tension to the proper one.
6. Attach the driving gear to the supply motor.
(Caution) There are two flat portions on the motor shaft. Adjust the flat portions to the screw
positions of the driving gear to attach the motor.
(There is no distinction between screw No. 1 and screw No. 2.)
7. Attach the supply motor to the supply motor installing plate and fix it while adjusting the backlash.
8. Apply JUKI genuine grease (13525506) TEMPLEX Grease N2 to the driving gear and the follower
gear.
Disassembling / Assembling
in motor installing plate
.
. Here, one side of belt loop supply belt
and supply motor
and follower sprocket
.
, driving sprocket
, and insert driving sprocket shaft
for adjusting the belt tension attached to the supply motor installing plate,
134
−
.
for fixing driving sprocket, and draw out
comes off.
and the bearing. So, be careful.
comes off.
.
to the supply frame, insert follower sprocket
, plain washer and follower gear
.
to the flat portion of driving sprocket shaft
and adjusting the screw position of the
, fix driving sprocket
−
.
to supply
, fix the
. (The flat