Schindler 3300 - Maintenance Checks

Schindler 3100/3300/6300 J 43402603 / 01 172/269
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4.10.2.2 Maintenance Checks
Brake Noise
Air Gap Check
The air gap of new brakes should be in the range of 0.3–0.4 mm.
Machine Brake Leroy-Somer Air Gap Adjustment [42115; 09.12.2011]
No Step
1
Check the brake for noise.
2 If the brake makes a metallic sound when opening and/or closing further
investigation is required, and the complete brake may need to be replaced.
No Step
1
Clean the brake housing to prevent that the air gap of the brake magnet is
contaminated with dirt.
2 Insert feeler gauges (4) of various thicknesses on each brake near the
adjusting screw (1) to check the air gap between the brake armature (3) and
the brake yoke (2). Insert the feeler gauge minimum 20 mm deep.
3 If a feeler gauge of 0.55 mm passes through the air gap, replace the brake
within a year.
4 If a feeler gauge of 0.60 mm passes through the air gap, replace the brake
within a week.
5 If a feeler gauge of 0.65 mm passes through the air gap, put the elevator out of
service and replace the brake.
1 Adjusting screw
2 Brake yoke
3 Brake armature
4 Feeler gauge
5Air gap
5
5
4
3
1
2