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Upper Door Hinge
with Lever in Notch
Figure 31. Removing the chassis door
22. Uninstall the bridge tool and return it to its original box.
Note: For turning on the power and for the configuration instructions, see
Attention:
correctly set.
Removing an M12 from the cabinet
Step 1 through step 5 describes how to use the lift tool (PN 09P2481) and the
24–inch load plate (PN 11P4369) to remove an M12 from the cabinet. Step 6 on
page 54 through step 17 on page 55 describes how to remove the bridge tool (PN
18P5855) from the cabinet.
Perform the following steps to remove an M12:
Upper Door Hinge with Lever
Out of Notch (Pin Released)
Chapter 2, "Starting and configuring the M12," on page 7.
Do not connect the switch to the network until the IP addresses are
1. Assemble the lift tool if it is not assembled. The assembly and disassembly
instructions are included with the lift tool.
2. Remove both power cords from the M12.
3. Remove the power supplies and blower assemblies to reduce the weight.
4. Remove the chassis door from the chassis.
a. Open the door 90°.
b. Support the door to prevent it from falling.
c. Push the spring-loaded lever on the upper hinge up and into the notch in
the hinge. See Figure 21 on page 43.
d. Push the spring-loaded lever on the lower hinge down and into the notch in
the hinge. Pull the door out and towards you.
e. Pull the door away from the chassis.
5. Remove the two 10-32 x 5/8 in. Phillips panhead screws with washers on each
side. See Figure 29 on page 51 for the location of the screws.
Chassis Portion of Hinge
Chapter 5. Installing and removing Model M12 switches
SJ000661
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