Preventive Maintenance; Maintenance - Parker LDC Serie Manuel D'installation Et D'entretien

Catalogue HY10-6005-UM/EU
Preventive maintenance/Maintenance
During operation
Caution Risk of severe burns. The air oil cooler could
become extremely hot during operation. Make sure that the
air oil cooler is cool before touching.
Maximum permitted fluid temperature in the cooler matrix is
120 °C.
The cooler matrix is designed for maximum allowed dynamic
working pressure of 14 bar.
Do not overload the DC motor. See identification plate.
Note! Use hearing protection when standing in the immediate
vicinity of an operating air oil cooler for long periods of time.

Preventive maintenance

Preventive maintenance work must be carried out at regular
intervals. Make sure that:
• there is no abnormal noise or vibrations
• air oil cooler is securely fixed
• t he cooler matrix is clean - debris will reduce the cooling
capacity
• t he air oil cooler is free from damage, replace damaged
components
• the air oil cooler is free from leaks, take appropriate measures,
• w arning labels are in good condition, replace any damaged/
missing label immediately.
Annually: Check the electrical installation.
Cleaning
Precaution Risk of bodily injury. Prior to cleaning,
disconnect all motor power supplies.
Caution Risk of severe burns. The air oil cooler could be-
come extremely hot during operation. Make sure the air oil
cooler is cool before touching.
Air oil cooler When cleaning the exterior of the cooler, for in-
stance using water, disconnect all power supplies. Be aware of
the DC-motor protection standard.
Cooler matrix The air fins of the matrix can be cleaned by
blowing through with compressed air. If necessary a high-
pressure washing system and degreasing agent can be used.
When using a high-pressure washing system point the jet par-
allel to the air fins. See Figure 7.
Fan housing Remove the cooler matrix when cleaning the inside
of the fan housing. To clean the inside of the fan housing, use
compressed air. If necessary a degreasing agent can be used.
Blow with compressed air from the electric motor side through
the fan guard.
Installation and servicing manual
Air Oil Coolers, LDC

Maintenance

Parker shall not be held responsible for any consequences due to
repair and/or modification made by the customer.
Caution Risk of severe burns. The air oil cooler could
become extremely hot during operation. Make sure the air
oil cooler is cool before touching.
Caution Risk of bodily injury. Disconnect the motor power
supply prior to maintenance.
Dismounting the cooler matrix
1. Turn off the system.
2. Disconnect the electric motor power supply.
3. Make sure that the system is depressurized.
4. Disconnect the oil inlets and outlets.
5. Disconnect the flexible hydraulic hoses from the cooler matrix.
6. Unscrew the screws with washers fixing the cooler matrix to
the fan housing: See Figure 8.
7. 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 8.
3. Connect the flexible hydraulic hoses to the cooler matrix.
See Figure 4.
4. Connect the electric motor power supply.
5. Proceed to Prior to start-up and At start-up.
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Parker Hannifin Corporation
Hydraulics Group