INSTALLATION PROCEDURES.

T.O. 31W2-2GSC24-2

TM 11-5805-688-14-1

NAVELEX 0967-LP-545-3010

3. Note that sufficient clearance is provided for

2-13.

INSTALLATION PROCEDURES.

insertion of remaining slide sections into the front of the

rack-mounted outer slide sections. If such clearance is

NOTE

not provided or is marginal, the forward lip of the rack

should be suitably notched.

Before installing a multiplexer

set in a rack, check the

4. Fully extend (toward rear of chassis) the two

installation data in table 2-1 to

inner slide sections attached to each side of the

ensure the mounting and

multiplexer set chassis.

operating

conditions

are

adequate.

2-14. Perform the following procedures to install the

multiplexer set in a rack, using the slide assemblies.

1. Determine the exact physical position in

A multiplexer set weighs 140

which the multiplexer set will be mounted in the rack.

pounds.

Use a mechanical

Then determine the positions in which the two slide

lifting device whenever possible.

assemblies on the chassis will be attached to the rack

To prevent injury to personnel, it

frame. Remove the outer section of each slide assembly

is recommended that a minimum

and use it as a template to mark the locations where the

of four men be used when a

forward and aft pairs of mounting holes align with the

multiplexer set is to be lifted

interior of the rack frame. If required, mark and drill rack

manually.

frame as necessary to mount the slide assembly to the

rack frame.

5. Lift multiplexer set and position extended

inner slide sections on unit so that they mate with outer

slide sections installed in rack.

Slowly position

multiplexer set fully into rack until rack-mounting flanges

on multiplexer set contact the front of the rack frame.

6. With multiplexer set in place in rack, install

When performing step 2, secure

twelve 10-32 (minimum size) screws, with washers, to

each outer slide section to rack

secure rack-mounting flanges on multiplexer set to rack.

frame, using four screws. The use

of less than eight screws (four on

7. On rear of multiplexer set, connect power

each side) to secure the two outer

cable assembly to POWER INPUT receptacle on unit

slide sections may cause the

and to a suitable ac power source outlet.

multiplexer set to break loose and

cause serious injury to personnel.

8. Connect signal cables between receptacles

on rear of multiplexer set

2. Connect each outer slide section to the rack

frame, using a minimum of four 10-32 (minimum size)

screws with flat washers, lockwashers, and nuts.

2-4