29
.............................
CCEC/ OM Manual GlasStile GSS 1.6 EN
07
.2009
Brake Adjustment
Should it become necessary to adjust the Brake during set up or routine servicing the following
procedure should be used.
Loosen the three adjustment screw locking nuts.
Adjust the screws Clockwise to their lowest position and then back-off a quarter to half a turn.
Operate the Program button to release the brake.
Manually move the unit through 360
º
- checking for freedom of rotation without the brake
noise.
If noise is heard during the above operation - adjust the screws upwards slightly.
Engage the brake - if a harsh metallic noise is heard - adjust the screws downwards.
Repeat these actions until the unit functions correctly - lock the nuts.
Encoder Replacement
If an encoder must be replaced, effect the following operations.
Disconnect the power supply
Replace the device
Check all relevant connections
Restore the power supply
Re-set to normal functioning
Replacing the Control Card
Disconnect the power supplies.
Remove all connectors from the PCB.
If necessary remove the PCB supports.
Reconnect the cables and connectors.
Replace the PCB.
Reconnect the power supplies.
Switch ON the Unit and return it to normal operation.
Trouble Shooting
Table 6.1
– Fault Finding
Symptom
Check
Action
Unit Free Wheels
Mains Supply is correct and
present.
Switch on
Fuses on Control Board
Replace blown fuses
Unit will not stop and lock
Encoder is fitted correctly
Adjust and/or replace timing
belt or encoder
Desired position may not be
obtainable.
Reprogram new positions
At power up the unit
moves at great speed
Encoder is fitted correctly
Adjust and/or replace timing
belt or encoder
Unit Fails to reach the
target position
Brake setting
Adjust brake
Bearing for correct alignment
.
Loosen and re-tighten bearing
Transmission to the Optical
Unit
Check connections and
replace if unserviceable
Pulley Belt for tension
Adjust
and
replace
if
unserviceable
