CHAPTER 1 INTRODUCTION AND GENERAL INFORMATION
1-6. SAFETY, CARE, AND HANDLING
Section II. EQUIPMENT DESCRIPTION AND DATA
1-9. LOCATION AND DESCRIPTION OF MAJOR COMPONENTS
Figure 1-3. Additionally Authorized Items of AIHS
1-10. EQUIPMENT DATA
1-11. EQUIPMENT CONFIGURATION
Section Ill. PRINCIPLES OF OPERATION
d. Strap Assemb!y, Chin
f. Communication System
g. Dual Visor Assembly
j. Cowling for MBU-12/P Oxygen Mask
I. Electrooptic Helmet Sight System (EOHSS) Module
n. Helmet Bag Assembly
o. Oxygen Mask Communications Adapter
p. Adapter, Microphone
q. Lining, Helmet, Shock, M45 Mask
s. CEP Modification Kit
t. Maxillofacial Shield
CHAPTER 2 OPERATING INSTRUCTIONS - TM-1-8415-216-12P_47
Figure 2-2. Chinstrap and Nape Strap
d. Boom and Microphone
f. V-1 ANVIS Center Mount
g. Mount for Offset ANVIS Goggles
i. Cowling for MBU-12/P Oxygen Mask
j. EOHSS Single Visor Assembly Module
Section II. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - TM-1-8415-216-12P_54
TABLE 2-1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES
OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (continued) - TM-1-8415-216-12P_56
OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (continued) - TM-1-8415-216-12P_57
Section III. OPERATION UNDER USUAL CONDITIONS - TM-1-8415-216-12P_58
2-5.1. DONNING/REMOVING CEP (CEP-EQUIPPED HELMETS ONLY)
Figure 2-8.2. CEP Connected to Extension Cord
b. Removing CEP
2-6. OPERATION OF STANDARD COMPONENTS
c. Raising/lowering visors
FOR LASER-PROTECTIVE VISORS
e. Operating communications system
2-7. OPERATION OF ADDITIONALLY AUTHORIZED ITEMS
Figure 2-14. MFS Attachment
CHAPTER 3 OPERATOR MAINTENANCE INSTRUCTIONS
Table 3-1. Operators Troubleshooting Procedures (continued)
Section III. OPERATORS MAINTENANCE PROCEDURES
Table 3-2. Cleaning Tasks (continued)
CHAPTER 4 AVIATION UNIT MAINTENANCE INSTRUCTIONS
Section Ill. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
TABLE 4-1. Aviation Unit Preventative Maintenance Checks and Services
Table 4-1. Aviation Unit Preventive Maintenance Checks and Services - TM-1-8415-216-12P_76
Table 4-1. Aviation Unit Preventive Maintenance Checks and Services - TM-1-8415-216-12P_77
Section IV. TROUBLESHOOTING - TM-1-8415-216-12P_78
Table 4-2. Aviation Unit Maintenance Troubleshooting Procedures (continued)
Aviation Unit Maintenance Troubleshooting Procedures (continued) - TM-1-8415-216-12P_80
Aviation Unit Maintenance Troubleshooting Procedures (continued) - TM-1-8415-216-12P_81
Aviation Unit Maintenance Troubleshooting Procedures (continued) - TM-1-8415-216-12P_82
Section V. MAINTENANCE PROCEDURES
Figure 4-6. Determining Head Length for Helmet Sizing
4-11 .a Fitting Procedure for the HGU-56/P
Figure 4-8. Spacer Kit, Earcup Flyers
Figure 4-9. Headband Fitting Pads
4-11b. Fitting Procedure for HGU-56/P with the M45 CB Mask
Figure 4-9.1. Brow Pad, M45
INITIAL FITTING OF THE HELMET
4-12. Lining, Helmet, Shock (TPL) Custom-Fitting.
Figure 4-11. Squeezing Lining, Helmet, Shock (TPL)
Figure 4-12. Holding Lining, Helmet, Shock (TPL) and Nape Strap Pad
Check nose centering and clearance
4-12.1 INSTALLATION OF CEP MODIFICATION KIT (CEP-EQUIPPED HELMETS ONLY)
Figure 4-12.2. Template Placed on Helmet
Figure 4-12.3. Connector Installation
b. Attaching CEP Interface Harness (CEP900-I04) to Earcups
c. Checking Earcup Fit
4-13. Removing and Replacing Standard Components.
Installation - TM-1-8415-216-12P_102
b. Lining, helmet, shock (TPL)/cloth
c. Strap assembly, chin.
Figure 4-20. Strap Assembly, Chin Attachment Points
d. Shell, earphone assembly.
Installation - TM-1-8415-216-12P_107
e. Microphone Boom
f. Communications Assembly
Figure 4-25. Removing Lining, Helmet, Shock (EAL)
Figure 4-27.1. Ground Lug and Wire
Helmets equipped with a CEP-integrated communications cord
Figure 4-29. Communications Assembly
g. Cap-Plug, Protective.
h. Dual visor assembly repair
Figure 4-31. Dual Visor Assembly
i. Replacing Lining, helmet, shock (TPL)
a. Converting Cobra dual visor module.
Assembly - TM-1-8415-216-12P_120
Figure 4-34. AH-1 Sight Installed
Figure 4-36. Magnetic Coupler and Cable
Figure 4-37. Conductor Lead Pattern
Figure 4-38. ANVIS V-2 Mount Installed
Installation - TM-1-8415-216-12P_125
AH-1 sight installed on the Cobra visor housing
b. Cobra dual visor module repair.
Figure 4-47. Cobra Dual Visor Module
The square hole
c. Replacing Cobra visor module with standard dual visor assembly
Figure 4-51. Side Leg of Cobra Housing
The square hole
d. Removing Standard Headset and Installing TEMPEST headset
Figure 4-56. Communication Cord Strain Relief Screw and Communication Jack Retaining Plate
Figure 4-58. TEMPEST Headset
8. Insert the communications cord grommet
e. Attaching Cowling Kit to Oxygen Mask.
Figure 4-60. Straps Attached to Cowling
f. Installing Oxygen Mask Bayonet Receivers
Figure 4-62. Positioning Oxygen Mask and Marking Receiver Hole
Figure 4-63. Bayonet Receivers and Mounting Hardware
Figure 4-64. Measuring Distance for Hole
g. Installing V-1 ANVIS mount on dual visor assembly.
Figure 4-67. Cover, Access
Figure 4-70. Moleskin Patches Installed
h. Replacing Brow Pad. M45
i. Replacing Lining, Helmet. Shock (TPL) M45
j. installing HGU-56/P Field Change Kit
k. Removing/Replacing Communications Assembly with CEP Modification Kit Attached
Figure 4-79. Removing Energy-Absorbing Liner
Figure 4-82. Interface Harness Connected to Communications Cord
Figure 4-85. Boom and Microphone
Figure 4-86. Communications Assembly
Figure 4-87. Interface Harness Connected to Communications Cord
Communications cord connector
4-15. Helmet shell repair and spot-painting
Painting
To minimize health risks and safety concerns
4-16. Repairing edge beading
CHAPTER 5 AIR FORCE GUIDANCE FOR HGU-56/P HELMET
Section II. AIR FORCE STANDARD ITEMS
TABLE 5-2. COMMUNICATION CORDS
TABLE 5-3. CEP KIT P/N 900-K04A ITEM PART LIST
Communication test set
5-8. CEP Fitting Techniques
5-9. Extension Cable P/N CEP199-X01
Figure 5-2. Routing of Extension Cable for AERP Mask
5-10. Maintenance of Foam Tips and CEP
Figure 5-3. Bottom (inside) Attachment of the Hook and Loop Fastener
Zetaliner placement in helmet
Figure 5-5. Zetaliner Length Measurement
TABLE 5-4. SIZING CHART FOR THE OREGON AERO ZETALINER
5-13. Mike Lite (lip light)
Figure 5-7. ZTS MBT
c. Lip light Inspection.
APPENDIX A REFERENCES - TM-1-8415-216-12P_176
A-5. DEPARTMENT OF THE ARMY PAMPHLETS (DA PAM)
A-8. TECHNICAL MANUALS (TM) Continued
APPENDIX B MAINTENANCE ALLOCATION CHART
(2) Aviation Intermediate Maintenance (AVIM)
B-2. USE OF THE MAC
B-3. MAINTENANCE FUNCTIONS
B-4. FUNCTIONAL GROUPS
SECTION II. MAINTENANCE ALLOCATION CHART - TM-1-8415-216-12P_185
SECTION III. TOOLS AND TEST EQUIPMENT
SECTION IV. REMARKS
TEMPLATE INSTRUCTIONS
APPENDIX C COMPONENTS OF END ITEM AND BASIC ISSUE ITEMS LISTS
Section II. COMPONENTS OF END ITEM - TM-1-8415-216-12P_190
APPENDIX D ADDITIONAL AUTHORIZATION LIST
Section II. ADDITIONAL AUTHORIZATION LIST
Section II. ADDITIONAL AUTHORIZATION LIST
APPENDIX E EXPENDABLE SUPPLIES AND MATERIALS LIST
Section II. EXPENDABLE SUPPLIES AND MATERIALS LIST - TM-1-8415-216-12P_198
EXPENDABLE SUPPLIES AND MATERIALS LIST (continued)
APPENDIX F REPAIR PARTS AND SPECIAL TOOLS LIST
(1) Source Code - TM-1-8415-216-12P_202
( 2 )Maintenance Code.
(b) The maintenance code entered
(3) Recoverability Code - TM-1-8415-216-12P_205
e. DESCRIPTION AND USABLE ON CODE
F-4. EXPLANATION-OF COLUMNS
F-5. SPEClAL INFORMATION
F-6. HOW TO LOCATE REPAIR PARTS
Figure F-1. Aircrew Integrated Helmet System
Section II. REPAIR PART LIST
DESCRIPTION USABLE ON CODE - TM-1-8415-216-12P_212
DESCRIPTION USABLE ON CODE - TM-1-8415-216-12P_213
Figure F-2. Helmet Assembly
DESCRIPTION USABLE ON CODE - TM-1-8415-216-12P_215
DESCRIPTION USABLE ON CODE - TM-1-8415-216-12P_216
Figure F-3. Dual Visor Assembly
DESCRIPTION USABLE ON CODE - TM-1-8415-216-12P_218
Figure F-4. Lining, Helmet, Shock, (TPL) Liner, Helmet, Cloth
Figure F-5. Shell, Earphone Assembly
Figure F-6. Cord Assembly, Electrical
Figure F-7. Stuffing Tube (SAB)
Figure F-8. Microphone Shield
Figure F-9. Dual Visor Assembly
DESCRIPTION USABLE ON CODE - TM-1-8415-216-12P_225
Section IV. NATIONAL STOCK NUMBER AND PART NUMBER INDEX
STOCK NUMBER - TM-1-8415-216-12P_227
PART NUMBER INDEX
PART NUMBER - TM-1-8415-216-12P_229
PART NUMBER - TM-1-8415-216-12P_230
PART NUMBER - TM-1-8415-216-12P_231
1-6. SAFETY, CARE, AND HANDLING
Section II. EQUIPMENT DESCRIPTION AND DATA
1-9. LOCATION AND DESCRIPTION OF MAJOR COMPONENTS
Figure 1-3. Additionally Authorized Items of AIHS
1-10. EQUIPMENT DATA
1-11. EQUIPMENT CONFIGURATION
Section Ill. PRINCIPLES OF OPERATION
d. Strap Assemb!y, Chin
f. Communication System
g. Dual Visor Assembly
j. Cowling for MBU-12/P Oxygen Mask
I. Electrooptic Helmet Sight System (EOHSS) Module
n. Helmet Bag Assembly
o. Oxygen Mask Communications Adapter
p. Adapter, Microphone
q. Lining, Helmet, Shock, M45 Mask
s. CEP Modification Kit
t. Maxillofacial Shield
CHAPTER 2 OPERATING INSTRUCTIONS - TM-1-8415-216-12P_47
Figure 2-2. Chinstrap and Nape Strap
d. Boom and Microphone
f. V-1 ANVIS Center Mount
g. Mount for Offset ANVIS Goggles
i. Cowling for MBU-12/P Oxygen Mask
j. EOHSS Single Visor Assembly Module
Section II. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - TM-1-8415-216-12P_54
TABLE 2-1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES
OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (continued) - TM-1-8415-216-12P_56
OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (continued) - TM-1-8415-216-12P_57
Section III. OPERATION UNDER USUAL CONDITIONS - TM-1-8415-216-12P_58
2-5.1. DONNING/REMOVING CEP (CEP-EQUIPPED HELMETS ONLY)
Figure 2-8.2. CEP Connected to Extension Cord
b. Removing CEP
2-6. OPERATION OF STANDARD COMPONENTS
c. Raising/lowering visors
FOR LASER-PROTECTIVE VISORS
e. Operating communications system
2-7. OPERATION OF ADDITIONALLY AUTHORIZED ITEMS
Figure 2-14. MFS Attachment
CHAPTER 3 OPERATOR MAINTENANCE INSTRUCTIONS
Table 3-1. Operators Troubleshooting Procedures (continued)
Section III. OPERATORS MAINTENANCE PROCEDURES
Table 3-2. Cleaning Tasks (continued)
CHAPTER 4 AVIATION UNIT MAINTENANCE INSTRUCTIONS
Section Ill. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
TABLE 4-1. Aviation Unit Preventative Maintenance Checks and Services
Table 4-1. Aviation Unit Preventive Maintenance Checks and Services - TM-1-8415-216-12P_76
Table 4-1. Aviation Unit Preventive Maintenance Checks and Services - TM-1-8415-216-12P_77
Section IV. TROUBLESHOOTING - TM-1-8415-216-12P_78
Table 4-2. Aviation Unit Maintenance Troubleshooting Procedures (continued)
Aviation Unit Maintenance Troubleshooting Procedures (continued) - TM-1-8415-216-12P_80
Aviation Unit Maintenance Troubleshooting Procedures (continued) - TM-1-8415-216-12P_81
Aviation Unit Maintenance Troubleshooting Procedures (continued) - TM-1-8415-216-12P_82
Section V. MAINTENANCE PROCEDURES
Figure 4-6. Determining Head Length for Helmet Sizing
4-11 .a Fitting Procedure for the HGU-56/P
Figure 4-8. Spacer Kit, Earcup Flyers
Figure 4-9. Headband Fitting Pads
4-11b. Fitting Procedure for HGU-56/P with the M45 CB Mask
Figure 4-9.1. Brow Pad, M45
INITIAL FITTING OF THE HELMET
4-12. Lining, Helmet, Shock (TPL) Custom-Fitting.
Figure 4-11. Squeezing Lining, Helmet, Shock (TPL)
Figure 4-12. Holding Lining, Helmet, Shock (TPL) and Nape Strap Pad
Check nose centering and clearance
4-12.1 INSTALLATION OF CEP MODIFICATION KIT (CEP-EQUIPPED HELMETS ONLY)
Figure 4-12.2. Template Placed on Helmet
Figure 4-12.3. Connector Installation
b. Attaching CEP Interface Harness (CEP900-I04) to Earcups
c. Checking Earcup Fit
4-13. Removing and Replacing Standard Components.
Installation - TM-1-8415-216-12P_102
b. Lining, helmet, shock (TPL)/cloth
c. Strap assembly, chin.
Figure 4-20. Strap Assembly, Chin Attachment Points
d. Shell, earphone assembly.
Installation - TM-1-8415-216-12P_107
e. Microphone Boom
f. Communications Assembly
Figure 4-25. Removing Lining, Helmet, Shock (EAL)
Figure 4-27.1. Ground Lug and Wire
Helmets equipped with a CEP-integrated communications cord
Figure 4-29. Communications Assembly
g. Cap-Plug, Protective.
h. Dual visor assembly repair
Figure 4-31. Dual Visor Assembly
i. Replacing Lining, helmet, shock (TPL)
a. Converting Cobra dual visor module.
Assembly - TM-1-8415-216-12P_120
Figure 4-34. AH-1 Sight Installed
Figure 4-36. Magnetic Coupler and Cable
Figure 4-37. Conductor Lead Pattern
Figure 4-38. ANVIS V-2 Mount Installed
Installation - TM-1-8415-216-12P_125
AH-1 sight installed on the Cobra visor housing
b. Cobra dual visor module repair.
Figure 4-47. Cobra Dual Visor Module
The square hole
c. Replacing Cobra visor module with standard dual visor assembly
Figure 4-51. Side Leg of Cobra Housing
The square hole
d. Removing Standard Headset and Installing TEMPEST headset
Figure 4-56. Communication Cord Strain Relief Screw and Communication Jack Retaining Plate
Figure 4-58. TEMPEST Headset
8. Insert the communications cord grommet
e. Attaching Cowling Kit to Oxygen Mask.
Figure 4-60. Straps Attached to Cowling
f. Installing Oxygen Mask Bayonet Receivers
Figure 4-62. Positioning Oxygen Mask and Marking Receiver Hole
Figure 4-63. Bayonet Receivers and Mounting Hardware
Figure 4-64. Measuring Distance for Hole
g. Installing V-1 ANVIS mount on dual visor assembly.
Figure 4-67. Cover, Access
Figure 4-70. Moleskin Patches Installed
h. Replacing Brow Pad. M45
i. Replacing Lining, Helmet. Shock (TPL) M45
j. installing HGU-56/P Field Change Kit
k. Removing/Replacing Communications Assembly with CEP Modification Kit Attached
Figure 4-79. Removing Energy-Absorbing Liner
Figure 4-82. Interface Harness Connected to Communications Cord
Figure 4-85. Boom and Microphone
Figure 4-86. Communications Assembly
Figure 4-87. Interface Harness Connected to Communications Cord
Communications cord connector
4-15. Helmet shell repair and spot-painting
Painting
To minimize health risks and safety concerns
4-16. Repairing edge beading
CHAPTER 5 AIR FORCE GUIDANCE FOR HGU-56/P HELMET
Section II. AIR FORCE STANDARD ITEMS
TABLE 5-2. COMMUNICATION CORDS
TABLE 5-3. CEP KIT P/N 900-K04A ITEM PART LIST
Communication test set
5-8. CEP Fitting Techniques
5-9. Extension Cable P/N CEP199-X01
Figure 5-2. Routing of Extension Cable for AERP Mask
5-10. Maintenance of Foam Tips and CEP
Figure 5-3. Bottom (inside) Attachment of the Hook and Loop Fastener
Zetaliner placement in helmet
Figure 5-5. Zetaliner Length Measurement
TABLE 5-4. SIZING CHART FOR THE OREGON AERO ZETALINER
5-13. Mike Lite (lip light)
Figure 5-7. ZTS MBT
c. Lip light Inspection.
APPENDIX A REFERENCES - TM-1-8415-216-12P_176
A-5. DEPARTMENT OF THE ARMY PAMPHLETS (DA PAM)
A-8. TECHNICAL MANUALS (TM) Continued
APPENDIX B MAINTENANCE ALLOCATION CHART
(2) Aviation Intermediate Maintenance (AVIM)
B-2. USE OF THE MAC
B-3. MAINTENANCE FUNCTIONS
B-4. FUNCTIONAL GROUPS
SECTION II. MAINTENANCE ALLOCATION CHART - TM-1-8415-216-12P_185
SECTION III. TOOLS AND TEST EQUIPMENT
SECTION IV. REMARKS
TEMPLATE INSTRUCTIONS
APPENDIX C COMPONENTS OF END ITEM AND BASIC ISSUE ITEMS LISTS
Section II. COMPONENTS OF END ITEM - TM-1-8415-216-12P_190
APPENDIX D ADDITIONAL AUTHORIZATION LIST
Section II. ADDITIONAL AUTHORIZATION LIST
Section II. ADDITIONAL AUTHORIZATION LIST
APPENDIX E EXPENDABLE SUPPLIES AND MATERIALS LIST
Section II. EXPENDABLE SUPPLIES AND MATERIALS LIST - TM-1-8415-216-12P_198
EXPENDABLE SUPPLIES AND MATERIALS LIST (continued)
APPENDIX F REPAIR PARTS AND SPECIAL TOOLS LIST
(1) Source Code - TM-1-8415-216-12P_202
( 2 )Maintenance Code.
(b) The maintenance code entered
(3) Recoverability Code - TM-1-8415-216-12P_205
e. DESCRIPTION AND USABLE ON CODE
F-4. EXPLANATION-OF COLUMNS
F-5. SPEClAL INFORMATION
F-6. HOW TO LOCATE REPAIR PARTS
Figure F-1. Aircrew Integrated Helmet System
Section II. REPAIR PART LIST
DESCRIPTION USABLE ON CODE - TM-1-8415-216-12P_212
DESCRIPTION USABLE ON CODE - TM-1-8415-216-12P_213
Figure F-2. Helmet Assembly
DESCRIPTION USABLE ON CODE - TM-1-8415-216-12P_215
DESCRIPTION USABLE ON CODE - TM-1-8415-216-12P_216
Figure F-3. Dual Visor Assembly
DESCRIPTION USABLE ON CODE - TM-1-8415-216-12P_218
Figure F-4. Lining, Helmet, Shock, (TPL) Liner, Helmet, Cloth
Figure F-5. Shell, Earphone Assembly
Figure F-6. Cord Assembly, Electrical
Figure F-7. Stuffing Tube (SAB)
Figure F-8. Microphone Shield
Figure F-9. Dual Visor Assembly
DESCRIPTION USABLE ON CODE - TM-1-8415-216-12P_225
Section IV. NATIONAL STOCK NUMBER AND PART NUMBER INDEX
STOCK NUMBER - TM-1-8415-216-12P_227
PART NUMBER INDEX
PART NUMBER - TM-1-8415-216-12P_229
PART NUMBER - TM-1-8415-216-12P_230
PART NUMBER - TM-1-8415-216-12P_231
