PANHANS 334|20, Operating Manual

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BA_PH_335-20_EN_07-22.docx
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14.2 Readjust Motor Brake
If the cutter block no longer comes to a standstill within 10 sec-
onds when braking, the motor brake must be readjusted.
Switch off the machine during maintenance and repair
work and secure it against being switched on again
unexpectedly! Lock the main switch with a padlock!!
Procedure:
• Turn off the main switch (
H
) to position “
0
” and lock it.
•
A socket wrench SW 17 is required for the adjustment.
•
Place the socket wrench on the adjusting nut (

Figure 43)
and adjust it clockwise by approx. 1/8 turn.
Figure 43: Readjust motor brake
14.2.1 Checking the Adjustment
•
Before checking the adjustment, make sure that the V-belt is well tensioned (see

14.3).
• Then unlock the main switch again and switch on (position “ I ”).
• Turn brake release switch to “ Released ” position.

It must now be possible to turn the V-belt pulley by hand.
By turning, you can now check whether the brake is dragging or has been adjusted too much.

If the brake drags, the readjustment made must be minimally returned again.
Danger of cutting! Wear protective gloves when handling the knives or cutter block!
• Now turn the brake release switch back to “
Normal Operation
”
•
Start the cutter block and wait until the machine has reached its full speed.
•
Then switch off the machine and check the braking time until standstill.
• If the braking time is still above 10 seconds, repeat the setting procedure
(described in section

14.2) and check again.
• If the adjustment does not lead to success, please contact our customer service.

If rattling noises occur in the area of the fan blade when turning the motor, please contact
the customer service. Possibly the brake lining is worn out.
14.2.2 Replace Motor Brake
If the adjustment of the motor brake described above does not lead to the desired success, the motor brake
must be replaced. To do this, first note down the type designation and other information on the type plate of
your motor. Then contact our customer service (phone 0049 7571 / 755 - 0) to order a suitable new brake.