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CHAPTER 3: Maintenance Instructions 

 

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Section I: Troubleshooting Procedures          

 

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3-1 Troubleshooting 

 

 

 

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Section II: Maintenance Procedures   

 

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3-2 Cleaning the PVS-7             

 

 

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3-3 Head Mount Maintenance             

 

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APPENDIX A: System Optional Equipment

   

 

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FOR TECHNICAL INFORMATION

 

 

             INFO-1

Summary of Contents for PVS7-HPT

Page 1: ...t of State or the US BIS Department of Commerce It is unlawful and strictly prohibited to export or attempt to export or otherwise transfer or sell any hardware or technical data or furnish any servic...

Page 2: ...ect to change without notice is not to be construed as a commitment by ATN Corp ATN Corp assumes no responsibility or liability for any errors or inaccura cies that may appear in this book 2008 ATN Co...

Page 3: ...cap on the objec tive lens on when the device is not in use or when it is checked out in daylight conditions The IR illuminator produces a light that is invisible to a naked eye for use in conditions...

Page 4: ...ap on for more than ten 10 minutes To protect the device from damage do not direct it to the bright light sources a fire headlights of the automobile lanterns etc The purpose of the built in IR illumi...

Page 5: ...ight etc to operate The level of equipment performance depends upon the level of light Night light reduces by passing through the clouds while operat ing under trees at building shadows etc The equipm...

Page 6: ...tion principles 1 11 1 8 Mechanical Functions 1 11 1 9 Optical and Electrical Functions 1 12 1 10 Consumable Items 1 13 CHAPTER 2 Operating Instructions 2 1 Section I Operating Procedures 2 2 2 1 Gene...

Page 7: ...3 1 Section I Troubleshooting Procedures 3 2 3 1 Troubleshooting 3 2 Section II Maintenance Procedures 3 6 3 2 Cleaning the PVS 7 3 6 3 3 Head Mount Maintenance 3 6 APPENDIX A System Optional Equipmen...

Page 8: ...iii...

Page 9: ...1 1 chapter 1 introduction...

Page 10: ...0 2862 650 989 5100 650 875 0129 fax www atncorp com info atncorp com 1 3 Glossary BLACK SPOTS These arc cosmetic blemishes in the image in tensifier of the PVS 7 or dirt or debris between the lenses...

Page 11: ...ng pinpoint of bright light in the image area that does not go away when all light is blocked from the objective lens The position of an emission point within the image area does not move An emission...

Page 12: ...mage intensifier assembly and should not be confused with emission points Scintillation is more pronounced under low light conditions Also called video noise SHADING The viewed image should be a full...

Page 13: ...port for use with a weapon protective mask or other purposes The thin brow pad used for larger heads comes attached to the head mount and the thick or medium brow pads for smaller heads arc stored in...

Page 14: ...1 6 Figure 1 1 PVS 7 Components 1 2 5 4 6 8 9 14 10 11 3 13 12 15 16 18 17...

Page 15: ...Shoulder Strap Assembly ATN3144267 9 Light Interference Filter ATN5009737 10 Sacrificial Window ATN3144264 11 IR Spot Flood Lens ATN3187441 12 Image intensifier Tube 13 Demist Shield Assembly ATN31442...

Page 16: ...helmet mounted night vision system that enables walking driving weapon firing short range surveillance map reading vehicle maintenance and admin istering first aid in both moonlight and starlight Each...

Page 17: ...Table 1 3 Electrical Data ITEM LIMITS Dower Source Battery 3 VDC max Battery Requirements 2 AA Alkaline or 1 Lithium BA 5567 U Table 1 4 Mechanical Data ITEM LIMITS Shipping and Storage Case Size Appr...

Page 18: ...View 40 Eyepiece Focus 2 to 6 diopters Focus Range 25 cm 9 8 to infinity Table 1 6 Environmental Data ITEM LIMITS Operating Temperature 40 C to 50 C Storage Temperature 50 C to 70 C Illumination Requ...

Page 19: ...llary adjustment release latch eye relief adjustment diopter adjustment IR spot flood focus optional compass illumination optional and objective lens fo cus The mechanical controls are identified in F...

Page 20: ...Position Power is drawn from the battery compartment to ener gize the goggle When the voltage drops to 2 4 VDC a low battery indicator at the right eyepiece blinks indicating approximately 30 minutes...

Page 21: ...back on turn the switch to RESET OFF position and then to ON again 1 10 Consumable Items Items listed in the Table 1 7 are recommended for operator main tenance Table 1 7 Consumable Items ITEM LIMITS...

Page 22: ...1 14...

Page 23: ...2 1 chapter 2 operating instructions...

Page 24: ...xplained CAUTION THE PVS 7 IS A PRECISION ELECTRO OPTICAL INSTRUMENT AND MUST BE HANDLED CAREFULLY AT ALL TIMES 2 2 Controls and Indicators The PVS 7 is designed to adjust for different users and corr...

Page 25: ...n an additional momentary IR function For momentary IR continue to turn the switch knob clockwise past ON and without pulling The switch will return to the ON position when released 2 RESET OFF ON IR...

Page 26: ...iece it indicates that the IR illumination is on 9 Low Battery Indica tor Not Shown When illuminated right eyepiece it indicates a low battery condition with less than 30 minutes of bat tery life rema...

Page 27: ...by condition C Semi annually when stored in depot or administrative stow age 2 5 Performance of PMCS Preventive maintenance checks and services shall be performed following the sequence and inspection...

Page 28: ...and moisture Clean with lens paper or brush and or alcohol and cotton swabs 6 EYECUPS Check for dirt dust cracked or torn cups Inspect for bent broken or improp erly fitting eyecup 7 INTERPUPILLARY A...

Page 29: ...ecure attachment of goggle to head mount If neces sary clean socket with water 14 FORE AND AFT ADJUSTMENT Press the socket release button and check for free mo tion Inspect for damage OPTIONAL HELMET...

Page 30: ...NOTE Damaged optional items compass IR spo flood sacrificial window demist shields do not cause the entire end item to be not fully mission capable However the damaged item should be replaced as soon...

Page 31: ...e If necessary clean with water and dry with lens paper Install compass assembly and turn on goggle When the illumination button is depressed the compass should be visible 26 3X 5X AFOCAL MAGNIFIER LE...

Page 32: ...f shipping and storage case and open top 2 Check contents of shipping and storage case for completeness see Figure 1 1 3 Remove the carrying case from the shipping and storage case Open carrying case...

Page 33: ...ECAUSE OF HEAT IF YOU INHALE SULFUR DIOXIDE SEEK MEDICAL ATTENTION The PVS 7 will operate with either of the two battery types identified in Table 2 3 Batteries are not supplied with the PVS 7 and mus...

Page 34: ...e battery cap by pushing and turning it clockwise Tighten it firmly to ensure a watertight seal C Installation of the Eyecups Perform the following procedure to install the eyecups onto the PVS 7 Refe...

Page 35: ...T SHIELDS ARE WIPED WHILE WET OR WITH WET LENS PAPER YOU WILL DAMAGE THE COATING NOTE If inclement operating conditions are known to exist e g significant temperature change and high humidity install...

Page 36: ...h the sacrificial window over the objective lens un til it stops Turn the sacrificial window clockwise until it snaps into place F Installation of the Compass Assembly Figure 2 4 Installation of Compa...

Page 37: ...lowing procedure to install the light interference filter LIF onto the objective lens assembly Figure 2 5 Installation of the Light Interference Filter 1 Remove the container wrench from the carrying...

Page 38: ...EN THE LIF INTO THE OBJECTIVE LENS NOTE The lens cap compass assembly or the sacrificial window will fit onto the end of the objective lens with the LIF in place H Installation of the IR Spot Flood Le...

Page 39: ...head mount is too loose remove the attached thin brow pad and replace with either the medium or large brow pad stored in the carrying case Refer to Chapter 3 paragraph 3 4 for removal and replacement...

Page 40: ...or operating procedures of head mount assembly J Installation of Head Mount Assembly with Protective Mask Perform the following procedures for donning the head mount with a protective mask 1 Place pro...

Page 41: ...ith the buckle lever open take up the slack in the strap using catch Close the buckle lever 4 Place the helmet upside down with the helmet mount facing you NOTE Steps 5 and 6 describe the installation...

Page 42: ...emove the helmet mount assembly from the carrying case Make sure the helmet mount is complete Refer to Figure 2 7 for the helmet mount components and features CAUTION TO PREVENT POSSIBLE EQUIPMENT DAM...

Page 43: ...buckle lever 6 If the PASGT helmet has its cloth cover and camouflage strap installed it will be necessary to slide the camouflage strap up at about a 30 45 angle at the front of the helmet see Figure...

Page 44: ...ole is covering the objective lens Proper objec tive focus must be done in the dark with the objective lens cover removed 1 Ensure that the batteries are installed per paragraph 2 6 B 2 Don the head m...

Page 45: ...sed to focus your eyes without glasses on the image intensifier screen These adjustments oper ate independently and must be made separately 8 Fold the right eyecup over the eyepiece with your right th...

Page 46: ...Adjust the tilt by using the tilt adjust ment lock knob Figure 2 4 until you obtain a comfortable viewing angle 5 Adjust the interpupillary distance Figure 2 1 by sliding the eye pieces together or a...

Page 47: ...ft to obtain a full field of view of the image Readjust the diopter rings for the best image NOTE Any readjustment of eye relief requires readjustment of the diopter rings 9 Adjust the objective lens...

Page 48: ...old the PVS 7 with your left hand and fold the left eyecup over the eyepiece with your left thumb or forefinger to obstruct view through the left eyepiece Rotate the right diopter adjustment ring for...

Page 49: ...sed at or near infinite for proper compass operation 4 The compass readings should change when you move your head from side to side Rotate or tap compass slightly to ensure compass is operating correc...

Page 50: ...ow removed It can also be threaded into the focus ring adapter and slipped on over the end of the objective lens with the LIF installed NOTE The Neck cord can be used to tether the magnifier to your p...

Page 51: ...m the following procedures to shut down the PVS 7 1 Turn the RESET OFF ON IR PULL switch to the OFF position 2 Remove the PVS 7 from the head mount or helmet mount if so equipped by depressing the lat...

Page 52: ...2 30 7 Place the carrying case into the shipping storage case Figure 2 10 close and latch it 8 Return to storage area Figure 2 10 PVS 7 Shipping storage case...

Page 53: ...3 1 chapter 3 maintenance instructions...

Page 54: ...is not listed or actions listed do not correct the fault notify your maintainer Table 3 1 Operator s Troubleshooting MALFUNCTION TEST INSPECTION CORRECTIVE ACTION 1 Goggle fails to activate Visual Ch...

Page 55: ...nce 6 Interpupil l ar y ad j u s t ment cannot be made left right eye Defective eyepiece assembly Refer to higher level of maintenance 7 Battery cap difficult to turn Check for dirt or grit in threads...

Page 56: ...mount and PVS 7 to higher level of mainte nance 11 Helmet mount will not tighten to helmet Visual If damaged refer to higher level of mainte nance 12 LIF will not thread in or obstructs view Check for...

Page 57: ...vel of maintenance 17 PVS 7 does not shut of f when exposed to high light test under day light or bright room light Perform the follow ing tests under day light or bright room light Place the lens cap...

Page 58: ...e to remove and replace the brow pads CAUTION FOR PROTECTION OF THE IMAGE INTENSIFIER DISCONNECT THE PVS 7 FROM THE HEAD MOUNT PRIOR TO REPLACING BROW PADS 1 Firmly grasp the head mount and remove the...

Page 59: ...bar buckle 1 Thread the strap from the inside of the buckle over the move able sliding bar see Figure 3 2 Thread the strap back through the buckle but this time under the sliding bar and over the serr...

Page 60: ...ATN5009718 9 5X Afocal Lens Assy 1 ATN5009719 10 Kit Adapter 5X Afocal 7D 1 ATN5009720 11 Obj Lens 3X 7D 1 ATN5009721 12 Obj Lens 4X 7D 1 ATN5009722 13 Obj Lens 6X 7D 1 ATN5009723 14 Sacrificial Filt...

Page 61: ...INFO 1 For Technical Information ATN Corp 1341 San Mateo Avenue South San Francisco CA 94080 800 910 2862 650 989 5100 tel 650 875 0129 fax www atncorp com info atncorp com...

Page 62: ...INFO 2 For note...

Page 63: ...INFO 3...

Page 64: ...echnical support please contact American Technologies Network Corp North American Office 1341 San Mateo Avenue South San Francisco CA 94080 phone 800 910 2862 650 989 5100 fax 650 875 0129 www atncorp...

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