Maintenance - OLAER Oiltech LAC Serie Manual Del Usuario

Maintenance

Dismounting the cooler
matrix
Warning
Risk of severe burns. The air oil
cooler could become extremely hot
during operation. Make sure the air
oil cooler is cool before touching.
Warning
Risk of bodily injury. Disconnect the
motor power supply prior to
maintenance.
1 Turn off the system.
2 Disconnect the electric motor power
supply.
3 Make sure that the system is
depressurized.
4 Disconnect the flexible hydraulic
hoses from the cooler matrix.
5 Unscrew the screws with washers
fixing the cooler matrix to the fan
housing. See Figure 12.
6 Remove the cooler matrix.
Mounting of the cooler
matrix
1 Locate the cooler matrix.
2 Fit the cooler matrix to the fan
housing. See Figure 12.
3 Connect the flexible hydraulic hoses
to the cooler matrix. See Figure 4
and Figure 5.
4 Connect the electric motor power
supply
5 Proceed to Prior to start-up and At
start-up.
Removing the electric motor
and the fan
Warning
Risk of severe burns. The air oil
cooler could become extremely hot
during operation. Make sure the air
oil cooler is cool before touching.
Warning
Risk of bodily harm. Prior to
maintenance, disconnect the
electric motor power supply.
The fan is balanced together with the
hub at delivery.
Note! Some fan hubs are fixed. See
Figure 14, and some are loose
Figure 15 A and Figure 15 B.
1 Turn off the system.
2 Disconnect the electric motor power
supply.
3 Secure the electric motor.
4 Unscrew the screws with washer
fixing the motor attachment to the
fan housing. See Figure 13. If the air
oil cooler is fitted with a motor
bracket, unscrew the screws with
washers fixing the motor bracket to
the feet.
5 Unscrew the screw with washer
fixing the fan to the motor shaft.
See Figure 14. Pull with care the fan
and hub from the motor shaft. Use a
pulley if required.
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