Juniper CBL-M40-PWR-AU ユーザーズマニュアル
Install the Router without Using a Mechanical Lift
M40 Internet Router Hardware Guide
102
Remove the Routing Engine Housing
The Routing Engine resides in a metal housing in the rear of the chassis, below the fan tray
(see Figure 2). The Routing Engine housing weighs approximately 17 lb (8 kg) and is about
16 in. (40.64 cm) deep.
(see Figure 2). The Routing Engine housing weighs approximately 17 lb (8 kg) and is about
16 in. (40.64 cm) deep.
To remove the Routing Engine housing, follow this procedure (see Figure 27):
1.
Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on
the chassis.
the chassis.
2.
Unscrew the screws along the left and right edges of the Routing Engine housing (six in
all), using a Phillips screwdriver if necessary.
all), using a Phillips screwdriver if necessary.
3.
Grasp the handles located at either side of the Routing Engine housing, and slide the unit
about halfway out of the chassis.
about halfway out of the chassis.
4.
Move one of your hands underneath the housing to support it, and slide it completely
out of the chassis.
out of the chassis.
Figure 27: Remove the Routing Engine Housing
Remove the Upper Impeller Assembly
The upper impeller assembly is located at the top rear of the chassis, above the fan tray (see
Figure 2). The assembly weighs approximately 10 lb (4 kg).
Figure 2). The assembly weighs approximately 10 lb (4 kg).
To remove the upper impeller assembly, follow this procedure (see Figure 28):
1.
Attach an ESD strap to your bare wrist and connect the strap to one of the ESD points on
the chassis.
the chassis.
2.
Unscrew the captive screws at the bottom corners of the assembly, using a Phillips
screwdriver if necessary.
screwdriver if necessary.
1019
Mounting screws
Mounting screws