86
3. Install the chassis air filter to the correct position, and fasten the captive screws at both sides of the
chassis air filter. For more information, see "Installing the switch."
Figure 62 Removing the rear chassis air filter for a 12508
Cleaning the chassis air filter for a 12518
A 12518 has only one chassis air filter, which is horizontally inserted.
To clean the chassis air filter:
1. Use a Phillips screwdriver to loosen the screws at both sides of the air filter, and slowly pull the air
filter out along the slide rails.
2. Use clean water to wash the air filter, and air-dry the air filter.
3. Install the air filter to the chassis, and fasten the screws at both sides of the air filter.
Figure 63 Removing the air filter for a 12518
Cleaning a power frame air filter
The power frame air filter of a 12500 switch is right behind the front panel of the power frame to prevent
dust from entering the power frame.
For a 12504
To remove, clean, and install the power frame air filter:
1. Loosen the fastening screws on the air filter, push the air filter to the right most, and remove the air
filter from the power frame.
2. Wash the air filter by using clean water, and then air-dry the air filter.
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