Juniper E SERIES BROADBAND SERVICES ROUTERS 11.3.X - ERX HARDWARE GUIDE REV 26-9-2010 Hardware Manual page 109

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WARNING: Be sure the power source is turned off and all power switches
are in the OFF position.
Disconnect the power cables and grounding cables. See Figure 48 on page 94.
3.
With an appropriate screwdriver (using a No. 2 Phillips screwdriver, if necessary),
4.
loosen the screws located at the corners of the PIM.
Using two hands, pull the PIM out of the chassis.
5.
Install the new PIM and tighten the screws.
6.
CAUTION: Do not overtighten the screws.
Reconnect the power cables and grounding cables. See "Cabling the Router for Power"
7.
on page 53
Replace the clear plastic guard.
8.
Power up the router. See "Powering Up ERX Routers" on page 65.
9.
Chapter 8: Maintaining ERX Routers
93