Installation Manual
H3C S9500 Series Routing Switches
Chapter 5 Switch Monitoring and Maintenance
5-6
III. Installing a PSU
Refer to section 3.6 “Installing a PSU” in Chapter 3 “Installing the Switch”.
5.2.2 Replacing and Cleaning the PSU Air Filter
The air filters on the AC PSUs and DC PSUs can be replaced in a similar way even
though they have different shapes.
Caution:
You are strongly recommended to clean the air filter semi-monthly to guarantee
adequate ventilation.
I. Removing and cleaning the PSU air filter
1) Clutch the air filter by the upper and lower edges with your index finger and the
thumb, and pull the air filter out gently.
2)
Take the black air filter mesh off.
3)
Wash the mesh using clean water and air-dry it, taking care not to rub it.
(1) PSU
(2) Air filter mesh
(3) Air filter cover
Figure 5-3
Remove the air filter from the DC PSU