Powerdrive product family
25
Service and maintenance
7
Service and maintenance
7.1 Mechanical service
7.1.1 Removing the cover
Before opening the cover each time, check the following:
à
Are the leaf springs and cover fixings fitted correctly (see Chapters 6.2.1
and 6.2.2)?
à
Are the cover fixings in good condition, based on a visual inspection (see
also Chapter 7.2)?
The cover can be opened upwards to a maximum of 90° for minor mainte-
nance tasks.
For larger maintenance tasks, remove the cover.
X
Remove the leaf springs (5, Chapter 6.2.2) via the cover fixings.
X
Loosen the threaded pins (cover catch) (4, Chapter 6.2.2) and swivel the cover up until it can be removed.
X
Press the cover upwards out of the track.
X
Disconnect the ground cable and sensors.
X
Place the cover securely on the track or floor.
X
Protect the visible surface against scratches using suitable means.
7.1.2 Checking tooth belt tension
X
Put the door into operation.
The tooth belt must not lift up from the motor gear or skip when braking and accelerating.
X
If the tooth belt lifts up or jumps, adjust the tooth belt tension to 300 N ± 35 N.
7.1.3 Tensioning the tooth belt
See chapter 5.5.3.
7.2 Maintenance
CAUTION!
Risk of injury due to impact and crushing!
X
Secure door leaves against accidental movement.
X
Disconnect rechargeable battery.
X
Disconnect the mains voltage.
à
Only original replacement parts may be used.
à
To ensure proper function, the wear parts of the sliding door system must be inspected and exchanged
if necessary during every maintenance.
à
The prescribed maintenance work on the sliding door system must be handled by an expert:
à
at least once a year
or
à
When the service indicator on the programme switch lights up (see wiring diagram).
à
Not all wear parts listed may be present, depending on the configuration.
X
Provide test documents and keep them up-to-date.