Work on the product
Checking the oil level
71
TK Elevator
BA, TW45C | 6231003860 | 06/2022
7. Connect the permanent voltage supply on the 1st brake circuit.
8. Connect the measuring device to the 2nd brake circuit.
9. Repeat the test operation on the 2nd brake circuit.
10. Re-establish the original state of the circuit (operation of both brakes
simultaneously).
Testing of both brake circuits
Deceleration values for brake circuits
▪
The minimum deceleration value for one brake circuit is approx. 0.4 m/s²
▪
The minimum deceleration value for both brake circuits is approx. 1.0 m/s²
1. Run a brake test with both brake circuits by triggering emergency brak-
ing.
The deceleration values must be significantly higher than values de-
termined in the individual test.
Check for wear
1. Use a feeler gauge to check the air gap between the coil body and arma-
ture base plate with the brake closed (coils without current).
2. Repeat the operation at different positions.
Nominal air gap: Brake closed (without current), new lining.
Limit air gap: Brake closed (without current), lining worn.
Test air gap: Brake opened (under voltage), minimum distance
between friction lining and contact surface.
3. Replace the complete brake if the limit air gap has been reached.
Repairs can only take place at tkAW.
Also see about this
7.2
Checking the oil level
4
5
6
7
8
Fig. 41
ATR_2_12_0319_0
Check the oil level.
The oil level should be ± 5 mm outside of the centre.
To top up, the machine should be out of service for 5 minutes.
7.3
Lubrication
Lubricant
Replacement interval
Motor position/filling
quantity
Synthetic gear oil
SM1
For the first time after 4
years
vertical approx. 5.0 litres
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