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Maintenance |
Workshop maintenance and preventive maintenance, continued
Preventive | In the table below you will find a checklist of preventive maintenance tasks: | ||
maintenance |
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tasks |
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Interval | Check |
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Daily | for lamp failure | Replace lamp and film disc | |
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| for low light output | 1. | Clean outer surface of prism if dirty. |
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| 2. | Check for misalignment or presence of moisture |
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| in fixture. | |
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| 3. | Check for lamp ageing or displacement |
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Weekly | for obstruction in light output | Clean channel and prism surface | |
| channel |
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Monthly * | for presence of moisture or | 1. | Open up light assembly. |
| water (visual inspection on | 2. | Clean, dry and inspect. |
| condensation inside of | ||
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| prisms) | 3. | Replace |
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Bimonthly | torque on | Refer to the table “Screws Overview” on page 43 | |
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| for the tool to use, the torque to apply, and the | |
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| eventual use of “Loctite” sealing compound. | |
for presence of water in | 1. | Pump water from base. | |
| base | 2. | Remove, dismantle and inspect light for water |
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| damage. | |
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| 3. | Cure the cause of water ingress. |
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After 800 hours | Replace lamps of complete | It is recommended to replace the lamps | |
of operation at | subsystems (e.g. R/W | systematically when 80 % of the useful life has | |
6.6 A | centreline) | been reached. At full brightness (6.6 A), it | |
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| represents 800 hours, but, in practice, life spans of | |
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| 2000 to 4000 hours can be expected. | |
After snow | for damaged light fixtures | 1. | Replace badly damaged fixtures. |
removal |
| 2. | Use a power broom for snow removal in the |
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| vicinity of the light fixture, if practical. | |
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| 3. | Follow recommended snow removal techniques |
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| described in FAA AC | |
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| least to reduce damage to light fixtures. |
* More frequently during rainy seasons.
2002 Siemens Airfield Solutions, Incorporated | 96A0266D | 18 |
All rights reserved | Issued 2/02 |
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