Cisco 7000 and Cisco 7507 Rack-Mount Kit Installation Instructions 9
Prerequisites
•Ensure that your footing is solid and balance the weight of the object between your feet.
•Lift the object slowly; never move suddenly or twist your body as you lift.
•Keep your back straight and lift with your legs,not your back. If you must bend down to lift the
chassis, bend at the knees, not at the waist, to reduce the strain on your lowerback muscles. (See
Figure 5.)
•Grasp the underside of the chassis exterior with both hands.
Warning Twopeople are required to lift the chassis. Grasp the chassis underneath the lower edge
and lift with both hands. Toprevent injury, keep your back straight and lift with your legs, not your
back. To prevent damage to the chassis and components, never attempt to lift the chassis with the
handles on the power supplies or on the interfaceprocessors, or by the plastic panels on the front of
the chassis. These handles were not designed to support the weight of the chassis. (For translations
of this safety warning, refer to the section “Chassis Lifting Warning” on page32.)
Figure 5 Lifting Safely
Caution To avoid damage to power supplies and interface processors, never attempt to lift the
chassis using the handles on the power suppliesor the interface processors. These handles were not
designed to support the weight of the chassis.
Note The following warning is for units equipped with DC-input power supplies.
Warning Before performing any of the following procedures, ensure that power is removed from
the DC circuit. To ensure that all power is OFF, locate the circuit breaker on the panel board that
services the DC circuit, switch the circuit breakerto the OFF position, and tape the switch handle of
the circuit breaker in the OFF position. (For translations of this safety warning, refer to the section
“DC Power Disconnection Warning” on page33.)
•Remove all power supplies before lifting the chassis. Each supply weighs 20 pounds (9.1 kg).
•Leavethe Route Processor (RP), Switch Processor (SP) (or Silicon Switch Processor [SSP]), and
all interface processors installed; each weighs less than five pounds (2.3 kg).
•Always disconnect all external cables before lifting or moving the chassis.
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