3TECH TR-720L Manual De Usuario página 19

Notice:
A: work air (air in)
W: water in
D: air return
C: pulverisation
Replacement of bulb (optical hand-piece) (6-hole)
– Unplug the 6-hole quick coupling.
– Unscrew the tip cap, remove the burned out bulb.
– Replace with a new one, making sure the pins have good contact with the metal strips.
Fig. 2
– In case of bad contact, raise the pins (with small sharp tool) before inserting bulb.
– Use the wrench to remove the old LED bulb and change the new LED bulb.
Connect the quick coupling
– Insert quick coupling
Insert quick coupling into socket connection of the high speed hand-piece, pull it backwards to check
it's in tightly and fi rmly.
– Extract the quick coupling
Hold the quick coupling by the decorative pattern, to extract.
Notice: the quick coupling must be fi xed tightly and be connected correctly before use.
Fig. 3
Fig. 4
Fig. 4
Fig. 5
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