Removing The Fan Tray; Removing Scbs; Figure 66: Removing The Fan Tray - Juniper MX240 Hardware Manual

Removing the Fan Tray

In the rear of the chassis, the fan tray is located on the right of the chassis. The fan
tray weighs about 4.2 lb (1.9 kg).
To remove the fan tray (see Figure 66 on page 189 ):
1.
2.
3.
4.

Figure 66: Removing the Fan Tray

Removing SCBs

The router can have two SCBs. They are located horizontally on the bottom front of
the chassis in the slots marked
9.6 lb (4.4 kg).
To remove the SCBs (see Figure 67 on page 190):
1.
2.
3.
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" on page 130.
Loosen the captive screw on each side of the fan tray faceplate.
Grasp both sides of the fan tray and pull it out approximately 1 to 3 inches.
Place one hand under the fan tray to support it and pull the fan tray completely
out of the chassis.
Place an electrostatic bag or antistatic mat on a flat, stable surface.
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" on page 130.
Loosen the captive screws on the ejector handles on both sides of the SCB
faceplate.
Appendix G: Installing the Router Without a Mechanical Lift
and . Each SCB weighs approximately
0 1/0
Removing Components from the Chassis
189