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7.1 Mechanical service
7.1.1 Removing the cover
Before opening the cover each time, check the following:
- Are the leaf springs and cover fixings fitted correctly (see Chapters 6.2.1 and 6.2.2)?
- 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 maintenance tasks. For larger maintenance tasks, remove the cover.
Steps to remove the cover:
- Remove the leaf springs (5, Chapter 6.2.2) via the cover fixings.
- Loosen the threaded pins (cover catch) (4, Chapter 6.2.2) and swivel the cover up until it can be removed.
- Press the cover upwards out of the track.
- Disconnect the ground cable and sensors.
- Place the cover securely on the track or floor.
- Protect the visible surface against scratches using suitable means.
7.1.2 Checking tooth belt tension
- Put the door into operation.
The tooth belt must not lift up from the motor gear or skip when braking and accelerating.
- 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!
- Secure door leaves against accidental movement.
- Disconnect rechargeable battery.
- Disconnect the mains voltage.
General Maintenance Requirements
- Only original replacement parts may be used.
- To ensure proper function, the wear parts of the sliding door system must be inspected and exchanged if necessary during every maintenance.
- The prescribed maintenance work on the sliding door system must be handled by an expert:
- At least once a year or
- When the service indicator on the programme switch lights up (see wiring diagram).
- Not all wear parts listed may be present, depending on the configuration.
- Provide test documents and keep them up-to-date.
Wear Parts and Exchange Intervals
| Wear parts present | Exchange interval |
|---|---|
| Rechargeable battery | Two years |
| Roller carriage track and support rollers | In case of wear or damage |
| Cleaning and sealing brushes | In case of wear or damage |
| Tooth belt | In case of wear or damage |
| Floor guide | In case of wear or damage |
| Deflection pulleys | In case of wear or damage |
| Motor gear unit | In case of wear or damage |
| Cover fixing | In case of wear or damage |
| Rubber cable | In case of wear or damage |
| Pulleys for rubber cable | In case of wear or damage |
After completing the maintenance work, always execute the learning function for the door.
Tested Components and Actions
| Tested component | Check | Action |
|---|---|---|
| Track | Check for cracks | Replace the track |
| Check for cleanliness | Clean the track | |
| Roller carriage | Check the abrasion of the track rollers | Remove the abrasion |
| Check brushes | Remove roller carriage. Replace the brushes if necessary (see Chapter 8.1.4) | |
| Floor guide area | Check for jarring-free function | Clean floor guide area |
| Floor guide area (brushes) | Check for contamination and hardness | Clean or replace |
| Moving leaf | Check for smooth movement | See Chapter 8.1.1 |
| Tooth belt | Check for wear & tear and damage | If necessary, replace the tooth belt (see Chapter 5.5.1) |
| Check tension | If necessary, tighten the tooth belt (see Chapter 5.5.6) | |
| Tooth belt locking mechanism (optional) | Check for damage | Re-position the tooth belt locking mechanism if necessary (see Chapter 5.5.6) |
| Check function | Re-position the tooth belt locking mechanism (see Chapter 5.5.6) | |
| Screws | Check for tight fit | Tighten the screws (refer to drive drawing for torques) |
| Assembly groups and peripherals | Check for correct function | Replace assembly group |
| Cables | Check for damage and correct fastening | Fasten or replace cables |
| Cover fixing | Check for cracks, fading, and damage (e.g., brittle plastic) Check whether one year or more has passed since last maintenance |
Replace cover fixing. Document replacement of the cover fixing. |