Chapter 5. GENERAL SUPPORT MAINTENANCE INSTRUCTIONS

TM 9-4931-710-14&P

GENERAL SUPPORT MAINTENANCE INSTRUCTIONS

CHAPTER INDEX

Page

Categories of Inspection ................................................................................................................................................ 5-2

Collimation......................................................................................................................................................................5-18

Collimation and Inspection ............................................................................................................................................. 5-18

General............................................................................................................................................. 5-1, 5-4, 5-18 and 5-30

Inspection ....................................................................................................................................................................... 5-1

M139/M139A1/M140/M140A1/M154 Maintenance Instructions .................................................................................... 5-7

Maintenance Procedures ............................................................................................................................................... 5-7

Objective Cell Assembly Maintenance Instructions ....................................................................................................... 5-16

Preembarkation Inspection Procedures.........................................................................................................................5-30

Reticle Cell Assembly Maintenance Instructions ........................................................................................................... 5-14

Specific Instructions ....................................................................................................................................................... 5-30

Troubleshooting ............................................................................................................................................................. 5-4

Section I. INSPECTION

5-1 GENERAL

a. Inspection is performed primarily to determine the following:

(1) Completeness.

(2) The nature of unserviceability.

(3) The work, repair parts, and supplies required to return the materiel to serviceability.

(4) That the work in process is being performed properly.

(5) That completed work complies fully with serviceability standards.

Change 3

5-1