Replacing the MX240 Air Filter
Removing the MX240 Air Filter
 | Caution: Do not run the router for more than a few minutes without the air filter in place. |
| Caution: Always keep the air filter in place while the router is operating, except during replacement. Because the fans are very powerful, they could pull small bits of wire or other materials into the router through the unfiltered air intake. This could damage the router components. |
To remove the air filter (see Figure 1):
- Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis.For more information about ESD, see Preventing Electrostatic Discharge Damage to an MX240 Router.
- Loosen the captive screws on the air filter cover.
- Remove the air filter cover.
- Slide the air filter out of the chassis.
Figure 1: Removing the Air Filter
Installing the MX240 Air Filter
To install the air filter (see Figure 2):
- Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis.For more information about ESD, see Preventing Electrostatic Discharge Damage to an MX240 Router.
- Locate the up arrow and ensure that the air filter is right side up.
- Slide the air filter straight into the chassis until it stops.
- Align the captive screws of the air filter cover with the mounting holes on the chassis.
- Tighten the captive screws on the air filter cover.
Figure 2: Installing the Air Filter
