H3C Technologies H3C S9500 Series Switches - Manual (Page 116)

Installation Manual
H3C S9500 Series Routing Switches
Chapter 6 Switch Monitoring and Maintenance
6-7
6.2.3 Replacing and Cleaning the Air Filter of PSU
The air filter of AC PSU and DC PSU can be replaced in a similar way even though they
have different shapes.
Caution:
You are strongly recommended to clean the air filter semimonthly to guarantee
adequate ventilation.
I. Removing and cleaning the air filter of PSU
Step 1: Clutch the air filter by the upper and lower edges with your index finger and the
thumb.
Step 2: Pull the air filter out with an even strength.
Step 3: Take the black air filter mesh out.
Step 4: Clean the mesh and dry it, taking care not to rub it.
Step 5: Place the dry black mesh back in position again.
(1) PSU (2) Air filter (3) Air filter cover
Figure 6-3 Remove the air filter of DC PSU