Section IV. DIRECT SUPPORT MAINTENANCE PROCEDURES

TM 5-6350-275-24&P

Section IV. DIRECT SUPPORT MAINTENANCE PROCEDURES

3-7. SCOPE. Direct support maintenance procedures consist of the removal and installation of major components of the

ICIDS. In some cases, replacement of Printed Wiring Assemblies (PWAs) may be required to restore a unit to

operational status.

3-8. PAINTING.

WARNING

Do not use cleaning solvents, primers, or paints near an open flame or sparks. Use only in well-ventilated

area. Avoid allowing solvents to contact skin. Wash exposed areas immediately with soap and water.

a. Clean and sand abraded surfaces and apply primer.

b. After primer is fully dry, paint surface using same color and type of paint as originally applied to equipment.

3-9. GENERAL. This section describes Direct Support maintenance and repair of the ICIDS system. Removal and

installation procedures for components and circuit card assemblies are outlined in the following paragraphs.

3-10. REPLACE PRIMARY MONITOR CONSOLE (B39) CENTRAL PROCESSING UNIT. (See Figure 3-26).

This task consists of:

a. Remove

b. Install

INITIAL SETUP:

Tools:

Equipment Condition:

Screwdriver, Flat tip (Item 6, App B)

PMC cabinet doors open

Input power removed

Tape Streamer removed (Para. 3-11)

General Safety Instructions:

Remove all jewelry while working on

equipment. Verify new B39 memory

Materials/Parts:

configuration is identical to the unit being

B39 CPU

replaced.

WARNING

Shut off power source before attempting to disconnect, service, or connect wires or cables. Failure to do

so may result in serious injury or death.

To avoid personal injury, use an adequate number of personnel to lift or move equipment weighing over

50 pounds or oversize equipment. Observe correct lifting techniques. Failure to do so may result in

serious injury or death.

3-78