TopGears ITG 160, Operation And Maintenance Manual

Page: 65 / 72

ingle
se
1.31 -
13.1 BRAKE PRE ADJUSTEMENT
“OPEN”
“CLOSED”
“OPEN”
6
5 2 1 1 2 5
4
3
Elevator speed
[m/sec]
Braking distance
[cm]
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se
High Low
99 11
14 17
19
23
29 36
52
64
74 92
130 163
Values to be set before installing the ropes on the traction sheave
of the hoisitng machine:
- check that the brake hasn’t been hurt during transport or
installation;
- release the fixing nut (4);
- adjust the spring acting of the nut 3;
- fix the adjustment by acting of the nut 4;
- to adjust the stroke, please read the related chapter.
NOTE:
manually turn the flywheel
13.2 BRAKE ADJUSTMENT
The brake is provided of two separated magnets that makesd the
brake arms independed one from eachother.
13.2.1 STROKE ADJUSTMENT
- Release the fixing bolts (2) of both the brake arms and release
the adjusting screw (1) leaving a gap of 4-5 mm between the
screw and the pivot of the magnet;
- rotate the brake opening lever (6) to the “open” position;
- manualy screw in the the adjusting screws (1) until they reach
the pivot of the magnet;
- rotate the brake opening lever (1) to the “closed” position and
screw in by half a turn the adjusting screw toweards the magnet
pivot;
- block the fixing nuts (2).
13.2.2 CHEKING THE ADJUSTMENT
Run the elevator upwards and downwards and verify the noise
level. The stroke is correctly adjusted is the brake liner doesn’t
touch the brake drum while the elevator is running and if there is
no noise during braking operations.