5.6
Replacing the handpiece holder
The handpiece holder (9, Fig� 1) is mounted on the right side of
en
the housing on delivery�
It can be mounted to the left side of the housing if required�
To modify:
⇒ Carry out the modification on a unit that has cooled down and
has been depressurized�
⇒ Disconnect the unit from the mains power supply, unplug the
power cord�
⇒ Remove the handpiece from the handpiece holder and place to
one side�
⇒ Squeeze the cradle (50) together slightly and pull forwards and
outwards�
⇒ Loosen the screw in the base of the holder (51) and remove
the holder base (TX20 screwdriver)�
⇒ Remove the cover cap (52) on the left side of the housing�
⇒ Screw the holder base onto the left side of the housing�
⇒ Insert the cradle into the holder base (click into place)�
⇒ Close the opening on the right side of the housing with the
cover cap�
⇒ Place the handpiece in the handpiece holder
⇒ Start the unit again�
6
Cleaning / Maintenance
The unit does not contain any internal parts that require maintenance.
Opening the unit is not permitted other than as described below!
Danger of burns!
Only carry out cleaning and maintenance work if the unit has cooled down and has been depres-
surized!
In the case of cleaning/maintenance work while the service cap is open (13, Fig. 1), always place
the unit so that water that flows out is collected. For example, place next to a sink.
Document the maintenance work carried out in the maintenance plan pro-
vided separately. This will be requested in the case of a warranty claim and
is part of the evaluation.
A maintenance plan is available online at www.renfert.com/p918.
Enter the following item number: 18450000 or 18460000 and select
"Downloads".
6.1
Cleaning
Do not steam clean the unit under any circumstances.
To clean the unit, only wipe the outside with a damp cloth�
Do not use any solvent-based or abrasive cleaning agents�
6.2
Cleaning and maintenance intervals
The following cleaning and maintenance intervals must be observed:
► Rinsing (see Chap. 6.3):
- Weekly if using a salt-based softening system
- In all other cases: As specified in the table in chapter 4.5
► Descaling (see Chap. 6.4):
- Immediately when signaled by the calcification indicator
- Every 3 months at the latest
► Overpressure valve (see Chap. 6.6):
- Annually
52
- 14 -
50
51
Fig.
15
Fig.
16