Wire Harness (W22), Removal/Installation

TM 32-5865-069-24&P

CAUTION

When unfastening cable-ties,

take care not to cut or damage the

wiring in harness W1.

Unfasten cable-ties as necessary to release harness W21 from harness W1 and

the chassis.

r. Remove W21 from the unit.

CAUTION

Wire harness W21 distributes ac power within the unit. Ensure that

all connections are properly made and sleeved where applicable.

s. To install a replacement harness, reverse the procedure detailed in steps

a. thru r.

5-4.19 Wire Harness (W22), Removal/Installation. Generally the wire harness can

be repaired satisfactorily by following the procedures detailed in para 5-13.

When it becomes necessary to replace the entire harness, carry out the following

steps:

Remove top and bottom covers.

Refer to para 5-4.1 for procedure.

Remove J24 from the rear panel by removing the jam nut.

Remove backplane connector XA9 from A15.

Remove the hardware securing E6 to the rear panel.

Unsolder wires 186, 187, 191 and 197A from E6.

Using the extraction tool MS27543-20, remove wires 192, 193 and 202 from

pin positions 87, 88 and 27 of backplane connector XA7.

CAUTION

take care not to cut or damage the

When unfastening cable-ties,

wiring in the harness.

Unfasten cable ties and clamps as necessary to release W22.

Remove W22 from the unit.

To install a replacement W22, reverse the procedure described in steps a.

thru h. above.

5-4.20 Panel Mounted Switches (S1-S3), Removal/Installation. To remove/install a

panel mounted switch, carry out the following steps:

a. Remove bottom cover.

5-36