Tm P

WARNING

Be sure M85 machine gun is cleared before starting an inspection or maintenance procedure. Live ammunition should not be near the work area.

Be careful when removing spring-loaded parts, as injury to personnel may occur. DO NOT interchange bolt assemblies or parts from one weapon to another. Doing so may result in serious injury to personnel, or damage to the weapon.

Wear rubber gloves when using carbon removing compound or dry cleaning solvent.

Use dry cleaning solvent only in a well-ventilated area.

Wear earplugs when firing the M85 machine gun, due to excessive noise levels. Wear earplugs in conjunction with the helmet and communication devices normally worn by the crew.

Refer to TM 9-1300-206 for general ammunition care, handling, and safety.

See FM 21-11 (TEST) for first aid information.

TM 9-1005-231-24&P C2

CHANGE HEADQUARTERS

DEPARTMENT OF THE ARMY

NO. 2 WASHINGTON, DC, 6 November 1986

Organizational, Direct Support, and General Support Maintenance Manual (Including Repair Parts and Special Tools List (Including Depot Maintenance Repair Parts))

MACHINE GUN, CALIBER .50, FIXED, M85 (1005-00-690-2790)

TM 9-1005-231-24&P, 5 July 1985, is changed as follows.

Remove old pages and insert new pages as indicated below. New or changed material is indicated by a vertical bar in the margin of the page. Added or revised illustrations are indicated by a vertical bar adjacent of the identification number. When an entire section or chapter is changed the bar will be adjacent to the title only.

Remove Pages Insert Pages

File this change sheet in back of the publication for reference purposes.

JOHN A. WICKHAM, JR.

General, United States Army Chief of Staff

Official:

R. L. DILWORTH

Brigadier General,. United States Army The Adjutant General

DISTRIBUTION:

To be distributed in accordance with DA Form 12-40, Organizational and Direct and General Support maintenance requirements for Machine Gun, Cal .50 M85.

TM 9-1005-231-24&P C1

CHANGE HEADQUARTERS

DEPARTMENT OF THE ARMY

NO.1 WASHINGTON, DC, 7 May 1986

Organizational, Direct Support, and General Support Maintenance Manual (Including Repair Parts and Special Tools List (Including Depot Maintenance Repair Parts))

MACHINE GUN, CALIBER .50, FIXED, M85 (1005-00-690-2790)

TM 9-1005-231-24&P, 5 July 1985, is changed as follows.

Remove old pages and insert new pages as indicated below. New or changed material is indicated by a vertical bar in the margin of the page. Added or revised illustrations are indicated by a vertical bar adjacent of the identification number. When an entire section or chapter is changed the bar will be adjacent to the title only.

Remove Pages

2-19 and 2-20 2-35 thru 2-38 C-17 and C-18 C-33 thru C-35(C-36 C-61 and C-62

blank)

Insert Pages

2-19 and 2-20 2-35 thru 2-38 C-17 and C-18 C-33 thru C-35(C-36 C-61 and C-62

blank)

File this change sheet in back of the publication for reference purposes.

JOHN A. WICKHAM, JR.

General, United States Army Chief of Staff

Official:

R. L. DILWORTH

Brigadier General, United States Army The Adjutant General

DISTRIBUTION:

To be distributed in accordance with DA Form 12-40, Organizational, Direct and General Support Maintenance requirements for Machine Gun, Caliber .50 M85.

TM 9-1005-231-24&P

HEADQUARTERS DEPARTMENT OF THE ARMY Washington, DC, 5 July 1985

ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST (INCLUDING DEPOT MAINTENANCE REPAIR PARTS))

MACHINE GUN, CALIBER .50, FIXED, M85 (1005-00-690-2790) Current as of March 3, 1985

REPORTING ERRORS AND RECOMMENDING IMPROVEMENTS

You can help improve this manual. If you find any mistakes or if you know of a way to improve the procedures, please let us know. Mail your letter, DA Form 2028 (Recommended Changes to Publications and Blank Forms), or DA Form 2028-2 located in the back of this manual direct to: Commander, US Army Armament, Munitions and Chemical Command, ATTN: AMSMC-MAS, Rock Island, IL 61299-6000. A reply will be furnished to you.

Illus

Page Figure

CHAPTER 1. INTRODUCTION

Section I.

Section II. Repair Parts, Special Tools, TMDE, and Support Equipment

Section III. Equipment Description and Data

Section IV, Principles of Operation

*This manual supersedes TM 9-1005-231-25, dated 23 September 1968, including all changes

CHAPTER 2.

Section I. Section II.

Section III. Section IV.

CHAPTER 3.

Section I.

Section II. Section III.

ORGANIZATIONAL MAINTENANCE INSTRUCTIONS

Service upon Receipt Preventive Maintenance Checks and Services (PMCS)

Organizational Troubleshooting Organizational Maintenance Procedures

DIRECT SUPPORT MAINTENANCE INSTRUCTIONS

Direct Support Maintenance Procedures Preparation for Storage or Shipment

Preembarkation Inspection of Materiel in Units Alerted for Overseas Movement

Illus Page Figure

2-17

2-27

CHAPTER 4. APPENDIX A.

APPENDIX B.

Section I. Section II. Section III. Section IV.

GENERAL SUPPORT MAINTENANCE INSTRUCTIONS . . . REFERENCES

MAINTENANCE ALLOCATION CHART

Maintenance Allocation Chart for M85 Machine Gun Tool and Test Equipment Requirements for M85 Machine Gun Remarks

APPENJDIX C.

Section I. Section II. Group 00. 01

ORGANIZATIONAL, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LIST (INCLUDING DEPOT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS)

Introduction

Repair Parts List

Machine Gun, Caliber .50: Fixed, M85 12002938 Barrel Assembly, Gun 8448439 .

02.

Plate Assembly, Back 7793072

C-13

C-3

0201 Striker Assembly 7791361

C-17

C-4

0202 Trigger Assembly, Solenoid Actuating 11010179

C-19

C-5

03.

Sear Assembly 7793208

C-21

C-6

04.

Feed and Ejector Assembly 7793095

C-23

C-7

0401 Actuator, Feed Assembly 7793098

C-25

C-8

05.

Bolt Assembly 7791384

C-27

C-9

06.

Extension Assembly, Barrel 7791369

C-29

C-10

0601 Rod Assembly, Return 7793129

C-31

C-11

0602 Extension Subassembly, Barrel 7791371

C-33

C-12

07.

Cover Assembly 7793227

C-35

C-13

0701 Slide Assembly, Feed 7793110

C-39

C-14

0702 Housing Assembly, Feed Return 7793221

C-41

C-15

08.

Tray Assembly, Feed 7793050

C-43

C-16

0801 Guide Assembly, Link Tray 11010134

C-45

C-17

09.

Accelerator Assembly 7790980

C-47

C-18

0901 Latch Assembly, Barrel 7790984

C-49

C-19

10.

Extension Assembly, Trigger 12006363

C-51

C-20

11.

Charger Assembly, Hand 1 1686374

C-53

C-21

12.

Safety Assembly 7793258

C-55

C-22

13.

Receiver Assembly 7793062

C-57

C-23

Section III.

Special Tools List

C-58

Group 9500.

Special Tools

C-59

C-24

Section IV.

National Stock Number and Part Number Index

C-60

EXPENDABLE/DURABLE SUPPLIES AND MATERIALS LIST

Section I. Section II.

APPENDIX E.

Introduction

Expendable/Durable Supplies and Materials List

ILLUSTRATED LIST OF MANUFACTURED ITEMS

ALPHABETICAL INDEX

Index 1

0 0

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