Chapter 5 DIRECT SUPPORT AND GENERAL SUPPORT REPAIR INSTRUCTIONS

TM 9-1270-212-14&P

CHAPTER 5

DIRECT SUPPORT AND GENERAL SUPPORT

REPAIR INSTRUCTIONS

Section I. GENERAL

b. Replacement of Parts.

5-1. Scope.

(1) During assembly of components, replace all small

This chapter provides instructions for repair that IS

parts, such as springs, pins, screws, bolts, and nuts, that

authorized at direct and general support levels. The

show signs of wear or damage and which might fail before

instruct ions are for removal. disassembly, cleaning.

the next scheduled maintenance.

in-process inspection, repair or replacement. assembly, and

installation. No Iubrication instructions are required. After

(2) if a required new part is not available,

maintenance and repair. perform final inspection as

reconditioning of the old part is necessary. Such parts

instructed in Chapter 6.

should be examined carefully after reconditioning to

determine that they will function properly.

5-2. Repair Illustrations.

(3) Replace metal components that cannot be made

The components in the illustrations in Appendix B (figs.

serviceable by cleaning, fitting, or refinishing.

B.1 through B-14) to this manual are numbered in the

sequence of disassembly. When assembling, the reverse

(4) Replace damaged wiring and connectors. Correct

order of disassembly will he followed unless otherwise

faulty soldered connections.

instructed. Supplementary illustrations are included in this

chapter to aid in the performance of repair procedures. The

(5) Replace optical elements which are damaged

illustrations should not be construed as authority to

beyond shop repair as prescribed in TM 9-254.

disassemble the materiel beyond the point required to

perform operations authorized in the Maintenance

5-4. Cleaning.

AIIocation Chart (MAC) m Appendix C or to replace parts

other than those authorized in the applicable columns in

a. Cleaning Mechanical Components. Wipe metal

Appendix B. Repair Parts List.

components of the sight with a cloth moistened with

5-3. General Repair and Replacement Istructions.

alcohol or other solvent conforming to MIL-A-6091; then

dry with a clean, dry cloth. Clean optical components in

accordance with TM 9-254.

TM 9-254 presents general maintenance procedures that

are often encountered m preparing fire control materiel.

b. Cleaning Electrical Components. Clean all electrical

parts in accordance with TM 9-254.

a. Use of Tools.

5-5. In-process Inspections.

(1) Care must be exercised to use tools that are

suitable for the task. to avoid mutilation of parts and/or

a Inspect ail metal components for dirt, grease or oil,

damage to tools.

metal filings, solder waste, or other foreign matter. Check

all mating parts for fit and/or damage which would cause

(2) Keep tools clean and work with clean parts. The

faulty operation.

rules of good housekeeping must be observed.

5-1