| Task | Description | Duration |
|---|
| 1 | For individual component maintenance requirements please refer to the relevant section of the manufacturers O&M Manual. | 0 minutes |
| 2 | The belt drive should be thoroughly checked. If belts are found to be loose or worn, retighten or replace as necessary. Refer to relevant accompanying documentation for details and recommended tension. | 30 minutes |
| 3 | Filters should be inspected regularly. If they are found to be heavily soiled or damaged they should be replaced immediately. | 30 minutes |
| 4 | The general operation of the unit should be inspected, particularly for noise from bearings, motors and fans. An irregular noise could signify that unit failure is imminent. | 30 minutes |
| 5 | Check for dust build-up in the system, especially around the impeller. Remove dust if necessary. Failure to do this periodically could lead to a loss of performance or cause the fan to become out of balance, ultimately leading to bearing failure. | 30 minutes |
| 6 | Coils should be inspected to ascertain if any foreign matter has accumulated between the fins and that the coil connections are free from any leaks. | 30 minutes |
| 7 | Should any matter be found, the coils should be cleaned using a soft brush and mild solution of commercial detergent. If heavily contaminated, a steam lance may be used. | 30 minutes |
| 8 | Care should be taken so as not to damage or distort the fins during this cleaning process. | 30 minutes |
| 9 | Periodically inspect heat exchange matrix for any debris, dust or dirt build up. Frequent contamination might be as a result of poor filtration and should be investigated. | 30 minutes |
| 10 | Under NO circumstances should the heat exchanger be steam cleaned. | 30 minutes |
| 11 | Ensure the drain pan and the drain connection is free from debris ensuring any condensate produced can freely drain away. | 30 minutes |
| 12 | Max units are supplied with either unpainted galvanized sheet steel or powder coat paint finishes. Check all painted items to ensure that they have not deteriorated. Repaint as necessary. Paint can be supplied upon request. Checks should be carried out for missing fasteners. | 30 minutes |