Maintaining Hardware Components; Tools And Parts Required; Routine Maintenance Procedures; Maintaining Cooling System Components - Juniper MX240 Hardware Manual

Chapter 11

Maintaining Hardware Components

Tools and Parts Required

Routine Maintenance Procedures

This chapter describes how to maintain hardware components installed in the router.
Some components, such as the craft interface, require no maintenance.
For information about returning a part to Juniper Networks for repair or replacement,
see "Contacting Customer Support and Returning Hardware" on page 197.
Tools and Parts Required on page 67
Routine Maintenance Procedures on page 67
Maintaining Cooling System Components on page 68
Maintaining the Host Subsystem on page 70
Maintaining Packet Forwarding Engine Components on page 72
Maintaining the Power Supplies on page 78
To maintain hardware components, you need the following tools and parts:
ESD grounding wrist strap
Flat-blade (–) screwdriver
Phillips (+) screwdriver, number 1
Phillips (+) screwdriver, number 2
For optimum router performance, perform the following preventive maintenance
procedures regularly:
Inspect the installation site for moisture, loose wires or cables, and excessive
dust. Make sure that airflow is unobstructed around the router and into the air
intake vents.
Check the status-reporting devices on the craft interface—System alarms and
LEDs.
Inspect the air filter at the left rear of the router, replacing it every 6 months for
optimum cooling system performance. Do not run the router for more than a
Tools and Parts Required
67