N7201A617E00_0317 - 第272页
NPM-W 2 EJM7DE-MB-08M-00 R eplacing the O-ring 3 (dispensing head(option)) Maintenance 8-3 8-3 -5 Disassemble the screw unit 1 ● Loosen screws to disassem ble the propelle r. Screw unit Screw Propeller O-ring Lower cap U…
NPM-W2 EJM7DE-MB-08M-00
8-3-4
3
Wipe adhesive
away
Joint
2
Remove the O-
ring
1
Remove a joint
from the syringe
O-ring
Joint
●If adhesives are attached,
an air may leaks and it
leads to dispensing
defect.
Wipe off excess around
O-ring with a lint-free
cloth damped with solvent
(alcohol) if it sticks.
4
Put a new O-ring
2
1
①Turn the joint.
②Pull it out.
Every
3000
hours
PeriodicPeriodicPeriodicPeriodicPeriodic
inspection
NPM-W2 EJM7DE-MB-08M-00
Replacing the O-ring 3
(dispensing head(option))
Maintenance
8-3
8-3-5
Disassemble the screw unit
1
●Loosen screws to disassemble the propeller.
Screw unit
Screw
Propeller
O-ring
Lower cap
Upper cap
●Turn the upper cap in a clockwise
direction to loosen.
●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.
NPM-W2 EJM7DE-MB-08M-00
8-3-6
4
Put a new O-ring
2
Remove the O-
ring
3
Wipe adhesive
away
5
Put the screw unit back together again
●To assemble the propeller, after the markings
are aligned, tighten the screws.
Be careful not to leave any clearance .
Marking
●If adhesives are attached,
an air may leaks and it
leads to dispensing
defect.
Wipe off excess around
O-ring with a lint-free
cloth damped with solvent
(alcohol) if it sticks.
Every
3000
hours
PeriodicPeriodicPeriodicPeriodicPeriodic
inspection