User Manual

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ADCP-75-126 • Issue B • April 2002 • Section 5: Maintenance

Page 5-16

©

2002,

ADC

Telecommunications,

Inc.

Figure 5-2. Host Unit Fan/Grill Assembly Removal

5. Carefully

withdraw

the

fan/grill

assembly

from

the

enclosure

until

the

wiring

harness

is

exposed

and

the

connectors

are

accessible.

6. Lift

the

small

latch

on

each

wiring

harness

connector

and

carefully

unplug

each

connector

from

the

circuit

board

connector.

7. Remove

the

plastic

rivets

that

secure

each

fan

to

the

grill

by

pushing

outward

on

the

rivet

center

post

until

the

rivet

can

be

withdrawn

from

the

grill

as

shown

in

Figure 5-3.

Figure 5-3. Removing Host Unit Fans From Grill

8. Remove

both

fans

from

the

grill

9. Use

the

rivets

removed

in

step

7

to

secure

the

replacement

fans

to

the

grill.

Orient

each

fan

so

the

wiring

harness

is

on

the

top

and

the

arrow

on

the

fan

points

into

the

enclosure.

10. Connect

the

two

wiring

harness

connectors

to

the

circuit

board

connectors.

11. Secure

the

fan/grill

assembly

to

the

side

of

the

enclosure

(see

Figure 5-2)

using

the

six

flat-head

screws

removed

in

step

4.

16986-A

16173-B