N7201A617E00_0317 - 第286页
NPM-W 2 EJM7DE-MB-10 M-00 R eplacing the spring 2 (dispensing head(option)) 10-3 -2 Tool us ed: Spanner Time required: 1 5 minutes ● Be sure to replace it at the consumab le parts replacemen t cycle. ● Detach the syringe…

NPM-W2 EJM7DE-MB-10M-00
Replacing the spring 1
(dispensing head(option))
10-3-1
Tool used: Allen wrench Time required:10 minutes
●Be sure to replace it at the consumable parts replacement cycle.
●Detach the screw unit from the machine before work.(→P.4-2-5)
Maintenance
10-3
1
Loosen setscrews of the screw unit and detach the propeller
Setscrews
Propeller
●If it is difficult to remove the
propeller, hold the center of the
screw shaft with the pliers and
disassemble it.
●There is no problem if the center
of the screw shaft is scathed.
Upper cap
Spring
2
Loosen the upper
cap to detach it
(turn in a clockwise
direction)
3
Draw out the
screw shaft
about 10mm of
the screw unit
Upper cap
4
Replace the
spring
●These two collars are the
same. There is no
difference between front
and rear sides.
5
Put the screw unit back together again
●Tighten the upper cap (turn in a
counterclockwise direction), fix the screw
shaft, and attach the propeller.
●When the markings are aligned, tighten
the screws.
Be careful not to leave any clearance .
Marking
Upper cap
Every
18000
hours
Periodic
inspection

NPM-W2 EJM7DE-MB-10M-00
Replacing the spring 2
(dispensing head(option))
10-3-2
Tool used: Spanner Time required: 15 minutes
●Be sure to replace it at the consumable parts replacement cycle.
● Detach the syringe from the machine before work.(→P.4-2-5)
●The explanation in the following procedure is an example when the dispensing head is installed on the rear
side and operated from the front side.
Maintenance
10-3
WARNING
Individuals with pacemakers, etc. should keep away from the linear motor
(Risk of accidents caused by errors in operation due to magnetic force)
1
ENABLING
OFF
SERVO
2
3
●The head moves to the
exchange position.

NPM-W2 EJM7DE-MB-10M-00
10-3-3
4
Loosen the bolt fixing the spring and remove
it
Bolt
5
Replace the
spring
●Be careful not to lose the
spring.
Spring
Screw unit holder
SERVO
ON
7
8
● Turn the screw unit
holder and replace the
rest of spring as well.
●The bolt tightening torque
is 0.3 N・m.
6
Replace the rest
of springs as
well
Every
18000
hours
Periodic
inspection