Specifications

ALIMAK 00000
Checking brake torque with torque wrench
To be carried out periodically by trained service personnel
ONLY!
If the machinery is of single motor design the hoist car must
be lowered and resting on the buffer springs before checking
is allowed to take place.
WARNING!
Violent stroke by the wrench
Switch off and lock out power supply before checking
brake torque.
Can cause severe personal injury.
This test is carried out by means of a 19 mm socket and a torque
wrench applied on the motor shaft according to the following:
– Release the brake and turn the lever up and down to
determine the total cog play.
– Then turn the wrench upwards, within the determined cog
play.
Alternative: The car to mast lock device can be used to ease
this procedure.
– Reapply the brake and pull the torque wrench downwards
until the brake starts to slide.
If the brake starts to slide before the torque wrench does –
adjust the torque wrench to a lower torque and repeat the
procedure until the actual brake torque is determined.
The electromagnetic disc brake shall have indicated torque
±15%.
If indicated brake torques are not achieved, call for trained
authorized personnel.
ALIMAK 34616B - 1 /09
E 7
Motor power Brake torque
7,5 / 8,8 kW 170 Nm
11 / 13 kW 170 Nm
22 / 27,6 kW 170 Nm
(125 lbf. x ft)