Power Supply Module (PS1), Removal/Installation

TM 32-5865-069-24&P

5-4.6 Power Supply Module (PS1), Removal/Installation. PSI is mounted on the

left-hand side of the chassis. To remove/replace PSI, carry out the following

steps:

Remove top and bottom covers.

Remove and retain the six screws and washers securing the module to the

chassis.

Label and unsolder all connections to PS1.

Remove PS1 and the thermal gasket from the unit.

CAUTION

Do not bend or flex the thermal gasket. The heat conducting proper-

ties are affected when the gasket is cracked or delaminated. An

unserviceable gasket could cause damage to the power supply module.

Inspect the gasket and replace as necessary.

NOTE

Use insulated sleeving (heat-shrink) of the appropriate inside

diameter on all soldered connections.

To install a replacement assembly, reverse the procedure detailed in steps

a. thru e.

5-4.7 Power Supply Modules (PS2, PS3), Removal/Installation. PS2 and PS3 are

mounted on the right-hand side of the chassis towards the rear. The power supply

modules are removed from the unit as follows:

Remove the top and bottom covers. Refer to para 5-4.1.

Label and unsolder all connections to the power supply being removed.

Supporting the module, remove the four screws securing the power supply to

the chassis. Retain the screws and washers for reassembly.

CAUTION

Do not bend or flex the thermal gasket. The heat conducting proper-

ties are affected when the gasket is cracked or delaminated. An

unserviceable gasket could cause damage to the power supply module.

Remove the module and thermal gasket from the unit.

Inspect the gasket and replace as necessary.

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