N7201A617E00_0317 - 第274页
NPM-W 2 EJM7DE-MB-08M-00 Describes how to replace the collar. Tool used: Allen wrench Time required: 10 minutes ● Be sure to replace it at the consumab le parts replacemen t cycle. ● Detach the screw unit from the machin…

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

NPM-W2 EJM7DE-MB-08M-00
Describes how to replace the collar.
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)
Replacing the collar
(dispensing head(option))
Maintenance
8-4
8-4-1
1
2
Replacing the lower collar
Loosen the top cab (turn in a clockwise
direction), and detach the screw shaft and
Lower collar from the screw unit
Upper cap
Lower collar
Replace the
lower collar
●There is no difference
between front and rear
sides.
3
Put the screw
unit back
together again

NPM-W2 EJM7DE-MB-08M-00
Upper collars
8-4-2
Replacing the upper collar
1
2
Loosen the screws to detach the propeller
Screws
Propeller
Loosen the upper
cap to detach it
(turn in a
clockwise
direction)
●If it is difficult to remove the
propeller, hold the center of the
screw shaft with the pliers and
disassemble it.
3
Draw out the
screw shaft
about 10 mm of
the screw unit
Upper cap
4
Replace the two
upper collars
●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
●There is no problem if the center
of the screw shaft is scathed.
Upper cap
Every
3000
hours
PeriodicPeriodicPeriodicPeriodicPeriodic
inspection