Appropriate PPE should be worn when performing maintenance procedures, adhering to specific site requirements as ap-
propriate. Any repairs to the condensers or dry cooler should be undertaken by suitably qualified personnel and relevant
national regulations should be adhered to, specifically with regards to handling of working fluids and brazing. If any advice
or guidance is required with regards to failure or repairs of Searle supplied product please contact your local representative.
Regular attention should be paid to the system operating requirements to ensure that the operating parameters are within
the products/system specifications.
Every month check:
• Fan motors must be operated for at least 2 hours every month to prevent possible fanset failure
• Coil condition, i.e clogging
Every 12 months check:
• Security of fixings especially fan motor mountings.
• Refrigerant fluid pipework for damage and leaks.
• Motor(s) rotate freely.
• Electrical connections for security of attachment. Check all external surfaces annually for any corrosion or peeling.
Clean any aected area thoroughly with a wire brush, apply a coat of zinc primer and retouch with a suitable finishing
paint.
When necessary:
Clean the fins, guards and general casework. Care must be taken when cleaning the fins to prevent damage. A soft brush
and mild detergent solution is recommended.
The following routine annual maintenance is recommended:
• Check security of fixings especially fan motor mountings.
• Check refrigerant pipeline for damage and leaks.
• Check all motors rotate freely.
• Check electrical connections for security of attachment.
• Check heat exchanger coil for build-up of debris or soiling.
• Check all external surfaces annually for any corrosion or peeling.- cleaning any aected area thoroughly with a wire
brush before applying a zinc primer to the area and complete with an appropriate finishing paint.
• Clean any aected area thoroughly with a wire brush, apply a coat of zinc primer and retouch with a suitable finishing
paint.
• On belt drive units, every month check belt tension and wear.
• On completion of work ensure all objects are removed from the unit.
• Only original spare parts should be used if replacing failed components.
Component Replacement
• Pressure Transducer/ Pressure switches
• When removing the pressure devices safety goggles and gloves must be worn.
When starting the necessary maintenance routine please be aware of the following hazards
WARNING!
The Unit must be Electrically Isolated before certain Maintenance Work is undertaken.
Explosion risk
Keep the risk area free from
any ignition sources
Electrical voltage
The power supply is isolated before
any installation or maintenance work is
carried out.
18. MAINTENANCE
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