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Remove the enclosure pipe and the nozzle with the attached wrench.
25
Replacing the heating element (heating core)
●
Disassemble the heating element.
1. Remove the nozzle and enclosure pipe.
CAUTION
Except the case especially indicated, always turn the power switch OFF and disconnect the
power plug before performing any maintenance procedure.
4. Replace the heating element. Assemble using the same procedure in reverse.
CAUTION
Be sure to calibrate the nozzle temperature after replacing the heating element. Failure to do
this may result in a heater temperature that is much higher or lower than the previous one.
2. Remove the screw fixing the joint cover and remove the joint cover.
3. Remove the 3 screws from the handpiece and disconnect the heating element.
Heating
Element
Enclosure pipe
Nozzle
Heating
Element
Joint cover
Nozzle wrench
※ Caution of the heating element installation
The installation / disassembly with the quick changer smoothens. Please attach it
to have the groove of the movable joint and the guide hole of the joint cover coming
at the same position (see figure below).
Joint
cover
Movable
joint
Guide hole (×3)
Groove (×3)
Groove (×3)
Guide hole (×3)
26
Pump head
Maintenance of the pump head
●
Remove the cover
When performing maintenance on the pump head, remove the screws holding the cover
and take the cover off.
●
Cleaning the pump head
1. Remove the valve and valve guard and remove any attached flux.
CAUTION
•
When the valve guard is difficult to remove,
please warm it with hot air. Please do not try
to forcibly remove it with a screwdriver, etc.
If the valve guard becomes deformed, it will
no longer be airtight.
•
Please clean with either alcohol or thinner.
2. Install the valve and valve guard.
CAUTION
When assembling the pump, please make sure
to keep it airtight so that there are no air leaks.
Valve
Valve
guard
Pump
head
Pump
head
Valve
Valve
guard
Pump head disassembly
*It is resting on its side.
Clean the pump head, valve
and valve guard.
*Please replace the valve if it is
deformed or hardened.
Содержание FR410-52
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