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NVS 6

MANUAL

Page

required)

10.6 The inspection procedure shall be performed as specified in

Table 3.

10.7 The image quality shall be tested in compliance with Step 6.2.21.

10.8 The screws shall be checked for proper tightness, slipping and

inadvertent loosening with the aid of the screwdriver, included in the set of
spare parts.

When carrying out this check, make sure that the screws

completely secure the joints between parts and assemblies. Screw
slippage and loosening are inadvisable.

10.9 The adjustment of force of retainer (21) (Ref. Fig. 5.2) shall be

accomplished by turning the retainer attachment screw.

When the screw is turned, the retaining force changes (retainer

spring pressing force).

Содержание NVS 6

Страница 1: ...ve W Suite 302 Toronto ON M3J 2G2 Canada Tel 416 663 6963 Fax 416 663 9065 Email Email Email Email NEWCONSALES NEWCON NEWCONSALES NEWCON NEWCONSALES NEWCON NEWCONSALES NEWCON OPTIK COM OPTIK COM OPTIK COM OPTIK COM Web Web Web Web http WWW NEWCON http WWW NEWCON http WWW NEWCON http WWW NEWCON OPTIK COM OPTIK COM OPTIK COM OPTIK COM ...

Страница 2: ...R expose the opened objective lens of an active unit in daylight At daytime objective lens must be covered by caps There is a tiny hole in the cap to provide enough light for daytime testing It is allowed to turn on the unit at daytime but caps must cover the lenses NEVER aim active unit at intense light sources i e lights headlamp campfires the moon etc NEVER reverse the polarity of a battery ALW...

Страница 3: ...NVS 6 MANUAL Page 2 RECORD OF REVISIONS Rev Section Page Authorizing Transmittal letter No Sub Section Subject Revi sed Added Dele ted Document No Reference No and date Signed by Date ...

Страница 4: ... General 1 2 Main Data 3 4 Standard Set 5 6 Safety Precautions 7 Design of Unit and 8 Its Components 9 10 11 12 13 14 15 16 17 18 Preparation for 19 Operation 20 21 22 Section Sub Section Subject Page Date 23 24 25 26 27 28 29 30 31 32 33 34 35 Operation Proce 36 dure 37 Operational 38 Status Check 39 Trouble Shooting 40 41 42 43 Maintenance 44 Practices 45 46 47 48 Storage and 49 Shipment 50 ...

Страница 5: ...ts 8 6 Preparation for Operation 19 6 1 Preparation of Helmet for Mounting Night Vision Goggles 19 6 2 Individual Adjustment and Fitting 22 6 3 Arrangement of Night Vision Goggles on Helicopter 32 7 Operation Procedure 36 8 Operational Status Check 38 9 Trouble Shooting 40 10 Maintenance Practices 44 11 Storage and Shipment 49 APPENDIX A 51 APPENDIX B 52 ...

Страница 6: ...y looking at the instrument panel in the downward direction or sideways past the eyepieces 1 4 The NVS 6 operates within the ambient temperature range of minus 40 to 40 o C 1 5 The power supply to the NVS 6 is powered by the helicopter electrical system of 27V via the voltage converter or from the independent power source IPS The IPS is built in to the goggles and consisting of two batteries of ty...

Страница 7: ...ge keep it clean and avoid touching the external optical surfaces of the lenses and eyepieces with fingers Protect the unit against impact or dropping which may cause damage and defects to the unit and render it inoperable 1 9 Before using the NVS 6 carefully read this Manual 1 10 In the course of the service of the unit enter the information pertaining to its operational status maintenance storag...

Страница 8: ...2 7 mm 6 Lens focusing distance range 0 25 m to infinity 7 Power supply From helicopter DC electrical system via a voltage converter 24 0 to 29 4 V From two batteries of type size AA R6 1 5 V or rechargeable batteries 2 2 to 3 2 V 8 Current consumed with the unit powered from helicopter electrical system maximum 100 mA 9 Power consumed with the unit powered from helicopter electrical system maximu...

Страница 9: ... less than 30 min minimum 3 h 12 Unit deployment time getting the unit ready for use maximum 5 min 13 Unit stowing time packing the unit in the case maximum 5 min 14 Mass maximum Night vision goggles without mount 0 59 kg Voltage converter with cable 0 3 kg 15 Night vision goggles overall dimensions maximum 108x151 5x122 mm ...

Страница 10: ...33739 003 Voltage converter 1 Set of Spare Parts 279376 002 Dehydrator cartridge 1 Optional Set of Tools and Accessories Watchmaker s screwdriver MT 992 size 1 5 1 Optional 754421 001 Test pattern 1 Optional Batteries of type size AA R6 1 5 V 4 Optional 304134 001 Mount 1 745159 003 Casing 1 745159 001 Clamp 1 305259 001 Counterweight 1 741112 013 Cloth 3 Optional Packaging 325371 009 Soft Padded ...

Страница 11: ...1 Night Vision Goggles 2 Voltage Converter 3 Dehydrator Cartridge 4 Screwdriver 5 Test Pattern 6 Batteries 7 Mount 8 Casing 9 Clamp 10 Counterweight 11 Cloth 12 Case NVS 6 Standard Set Figure 3 1 1 9 12 2 11 6 3 4 5 10 8 7 ...

Страница 12: ... unit the crewmember using the NVS 6 in flight should be trained to quickly execute the night vision goggles In an emergency evacuation from the helicopter expedient removal is essential for his her safety 4 3 Care should be taken to protect the unit from direct exposure of its lenses to high level optical radiation CAUTION NEVER SWITCH ON THE UNIT DURING DAY LIGHT UNLESS PROTECTIVE CAPS ARE INSTA...

Страница 13: ...nt objects located in the space outside the cockpit or relative to the objects located close to the helicopter The focus is adjusted by rotating the lenses 5 3 2 The dioptric focusing of eyepieces 2 is carried out individually for each sight channel of the unit by rotating eyepieces with the aid of focusing rings 3 5 3 3 The independent power source IPS is arranged inside guide 4 which is closed w...

Страница 14: ...ixing Assembly 7 Mount 8 Casing 9 Counterweight 10 LVC Low Voltage Converter 11 Cable 12 Cap 13 Dehydrator Cartridge 14 Sight Glass 15 Cable 16 Screw 17 Visor Guard 18 Slot 19 Cross Shaped Knob 20 Screw NVS 6 Figure 5 1 13 7 18 20 6 12 14 2 3 5 15 11 4 8 16 9 10 1 19 17 ...

Страница 15: ...erviceability at an illumination intensity of more than 1 lx in conditions of day light and dusk as well as with retainers two spring loaded projections located on the cap sides used for reliable locking of the cap in the mount of lens 1 Small projections in the sides of the cap are provided with holes for joining the caps in pairs by means of a fishing line This will minimize their inadvertent lo...

Страница 16: ...7 Image Intensifier Tube 8 Barrel 9 Screw 10 Button 11 Batteries 12 Cap switch 13 Fixing Assembly 14 Retainer 15 Button 16 Cable 17 Lever 18 Knob 19 Screw 20 Plate 21 Retainer 22 Retainer Night Vision Goggles Figure 5 2 2 В 5 7 8 6 10 12 19 20 10 1 19 3 1 10 4 15 21 16 14 22 17 18 13 9 А В А Б Б ...

Страница 17: ...ired position These done release the button to fix monocular 4 in the selected position Batteries 11 are installed inside guide 2 and closed with cap switch 12 The night vision goggles are attached to the helmet with the aid of the guides of fixing assembly 13 and those of the helmet mount The fixing assembly is retained in the fixed position in the helmet mount by means of retainer 14 The transfe...

Страница 18: ...comes greater as the plate is turned clockwise and vice versa The night vision goggles can be promptly removed from the pilot s field of view and transferred to the stowed position To do so take hold of the monocular pair and while overcoming the force of retainer 21 move it fully upwards to the stowed position As the monocular pair is brought to a stop the retainer will operate to hold it up in t...

Страница 19: ...illed with sealing compound for the same purpose Cable 11 attached to the voltage converter is connected to cable 15 to make an electric power supply circuit of the night vision goggles as shown in Fig 5 1 The use of cables with quick disconnect connectors makes it possible to promptly remove the night vision goggles from the helmet in case of emergency 5 5 Apart from spare dehydrator cartridge th...

Страница 20: ...NVS 6 MANUAL Page 15 1 Casing 2 Voltage Converter 3 Screw 4 Cover 5 Screw 6 Connector Plug 7 Connector Receptacle 8 Screw 9 Gasket Low Voltage Converter Figure 5 3 LVG 27 V А1 XS1 XP1 3 8 7 4 1 5 2 9 6 ...

Страница 21: ...e mount is attached to the front portion of the helmet with the aid of three screws 1 2 3 The night vision goggles are secured to the mount by means of a night vision goggle plate which is passed into the slots of guides 4 of the mount The purpose of spring 5 is to reliably retain the NVS 6 on the mount 3 8 4 9 6 7 1 5 2 ...

Страница 22: ...position with the use of retainer cross shaped knob 19 moving along the slot of the casing together with the visor guard While replacing the casing the retainer cross shaped knob can be installed for using by the right or left hand of the pilot 5 5 4 Clamp 9 shown in Fig 3 1 is meant for fastening the visor guard when replacing the standard casing for the casing found in the set of spare parts The...

Страница 23: ... charging unit 5 6 The packaging components of the NVS 6 include the case and the set of maintenance documents the Manual and the Log Book 5 6 1 The case shown in Fig 3 1 is used for storing and carrying the NVS 6 set The case is provided with side pockets which are fastened with a zipper One pocket holds the LVC low voltage converter and the cables and the other one is used for holding the mount ...

Страница 24: ...urning retainer tail end 2 along the visor guard slot 6 1 1 3 Take clamp 9 shown in Fig 3 1 from the set of spare parts 6 1 1 4 Remove screw 3 with the screwdriver as shown in Fig 6 2 and remove bushing 4 from the clamp hole 6 1 1 5 insert the visor guard into clamp slot 5 accurately without turning askew and applying much force and fasten it using a bushing and a screw 6 1 1 6 Take casing 8 out o...

Страница 25: ...age 20 1 Retainer 2 Tail End 3 Screw 4 Bushing 5 Recess 6 Recess 7 Washer 8 Casing 9 Clamp 17 Visor Guard 18 Slot 19 Cross shaped Knob 20 Screw Replacement of Casing on Helmet Figure 6 1 7 17 20 19 18 2 1 8 9 3 4 6 5 ...

Страница 26: ...r meant for fastening to the helmet Figure 6 3 6 1 2 2 Bond the removed fastener to the rear potion of the helmet external surface so that the hole made at the center of the fastener coincides with screw head 1 Fig 6 3 the lower edge of the fastener therewith should join to the helmet rubber edging Before bonding with adhesive trace the outline of the fastener on the helmet and thoroughly remove t...

Страница 27: ...VIDUAL FITTING AND ADJUSTMENT OF THE NIGHT VISION GOGGLES Before starting the adjustment check to see that the lenses are closed with safety caps 6 2 1 Remove the night vision goggles from the case 6 2 2 Depress button 1 Ref Fig 6 4 and while holding the fixing assembly in one hand take monoculars 28 and 29 in the other hand transfer the goggles to the operating position so that the fixing assembl...

Страница 28: ...s two batteries of type size AA R6 1 5V or rechargeable batteries out of the case When using the rechargeable batteries first charge them in accordance with the Manual furnished with the battery charging unit 6 2 5 Insert two batteries into the recess of guide 8 with the positive contact directed inwards by first unscrewing and removing cap switch 5 and then screw it in fully in the clockwise dire...

Страница 29: ...t 10 Strap 11 Cross head Knob 12 Guide 13 Retainer 14 Cable 15 Visor Guard 16 Screw 18 Lever 25 Connector 26 Mount 27 Screw 28 LH Side Monocular 29 RH Side Monocular Installation of Night Vision Goggles on Helmet in Operating Position Figure 6 4 28 8 7 6 5 29 2 18 14 16 26 12 27 13 16 27 1 11 10 9 3 4 25 ...

Страница 30: ... Screw 5 Cap switch 9 Counterweight 10 Strap 12 Guide 13 Retainer 14 Cable 16 Screw 17 Ring 18 Lever 25 Connector 26 Mount 27 Screw Night Vision Goggles Installed on Helmet in Stowed Position Figure 6 5 9 10 25 5 4 3 1 18 27 26 2 12 13 16 14 17 27 ...

Страница 31: ...on 2 Knob 3 Plate 4 Screw 7 Button 12 Guide 13 Retainer 16 Screw 18 Lever 26 Mount 27 Screw Installation of Night Vision Goggles on Helmet and Their Adjustment Relative to Pilot s Eyes Figure 6 6 2 6 1 2 1 6 1 3 2 7 1 1 8 3 4 7 2 ...

Страница 32: ...ter Electrical System 22 Receptacle 23 Plug 24 Spring Clamp 25 Connector Connection of Night Vision Goggles to Helicopter Electrical System Via Voltage Converter Figure 6 7 6 2 7 Position the eyepieces of the goggles at eye level turn on the night vision goggles by turning cap 6 of cap switch 5 in the 2 15 14 12 22 23 19 1 13 21 20 24 15 ...

Страница 33: ...ease button 7 and the LH side monocular will be locked in the selected position 6 2 9 Turn cap 6 of cap switch 5 in the clockwise direction as far as it will go to de energize the night vision goggles 6 2 10 Take hold of the monocular pair with one hand and the fixing assembly with the other hand and transfer the night vision goggles to the stowed position as shown in Fig 6 5 i e fold up the fixin...

Страница 34: ...met by first passing it under unfastened strap 10 on counterweight 9 and then fasten the strap using the sticking fastener 6 2 16 Secure the helmet complete with the goggles placed in the stowed position on the pilot s head 6 2 17 Transfer the goggles to the operating position Ref Step 6 2 2 of this Manual and turn them on Ref Step 6 2 7 of this Manual 6 2 18 Set RH side monocular 29 precisely opp...

Страница 35: ...ry distance Make sure that the full field of view of the night vision goggles is provided for both eyes 6 2 20 Adjust the eyepieces to the appropriate dioptric sighting by turning rings 17 Ref Fig 6 5 of the eyepieces until a sharp structural image of the screens on the image intensifier tubes is attained 6 2 21 Evaluate the operational status of the night vision goggles by checking the image qual...

Страница 36: ...E NIGHT VISION GOGGLE REMOVAL TO BE PERFORMED IN THE EVENT OF AN EMERGECY ESCAPE FROM THE HELICOPTER MUST BE THOROUGHLY PRACTICED BY THE PILOT ON THE GROUND TO ENHANCE HIS SAFETY IF EMERGENCY ESCAPE FROM THE COCKPIT SHOULD BE NECESSARY 6 2 24 Transfer the night vision goggles to the stowed position as instructed in Step 6 2 10 of this Manual 6 2 25 Take out the used batteries from the night vision...

Страница 37: ...6 2 11 onto the front portion of the helmet 6 3 5 Install counterweight 9 Ref Fig 6 5 Step 6 2 12 onto the rear portion of the helmet 6 3 6 Insert batteries into the special recess on the night vision goggles Ref Step 6 2 5 of this Manual to ensure independent power supply of the goggles 6 3 7 Install the night vision goggles on the helmet with the helmet removed from the head in the stowed positi...

Страница 38: ...f the monocular pair in the operating position Only an effort sufficient to cause operation of retainer 21 is necessary Ref Fig 5 2 The goggles will get energized This done the pilot shall see amber green illumination free from flashes and twinkling on the screens of both channels of the night vision goggles which is indicative of normal operation of the goggles powered from the helicopter electri...

Страница 39: ... pair with one hand and the fixing assembly with the other hand and transfer the night vision goggles to the stowed position i e fold up the fixing assembly by overcoming the force of the retainer which locks the goggles in the operating position 6 3 15 Turn off the switch used for supplying power from the helicopter electrical system to the night vision goggles 6 3 16 Disconnect cable 14 Ref Fig ...

Страница 40: ...22 Remove the LVC complete with cable 20 6 3 23 Put the night vision goggles into the case Do not put the rechargeable batteries into the case 6 3 24 Discharge and recharge the rechargeable batteries in conformity with the Instructions presented in the Manual furnished with the standard battery charging unit 6 3 25 Pack the batteries and the rechargeable batteries after being charged into the case...

Страница 41: ...aps focus the lenses of each monocular by rotating the lens about its optical axis so as to attain the sharp image of the viewed objects in the space outside the cockpit for convenience of rotation each lens is provided with knurling 7 5 In case that the airborne power supply is not available turn on the independent power source to feed power to the night vision goggles by turning cap 6 of cap swi...

Страница 42: ...ries used in flight with newly charged ones and accomplishment of operations in accordance with Table 5 7 11 Prior to an emergency evacuation of the helicopter depress levers 18 Ref Fig 6 4 of the fixing assembly with the left right hand thumb and forefinger and promptly pull the night vision goggles down As the goggles become disengaged from the guide on the helmet keep on moving your hand to the...

Страница 43: ...ethod Technical requirements 1 Unit standard set inspection for full complement Check the standard delivery set against the list of the unit com ponents in the Log Book The unit standard set shall comply with the standard delivery set specified in the NVS 6 Log Book 2 External inspection of the unit and its accessories Inspect the unit for external condition vi sually The external surfaces of the ...

Страница 44: ...e test pattern lines in all four directions and easy reading of the check text which is indicative of the fact that the unit is ready for use 9 TROUBLE SHOOTING 9 1 Normal operation of the NVS 6 is substantiated by the following indications a Feasibility of observing the illumination of the screens without flashes and twinkling of each of the two image intensifier tubes through the eyepieces b Cle...

Страница 45: ...so that the positive lead marked with is directed inwards into guide 2 Ref Fig 5 2 Can be performed in the field 2 Rechargeable batteries batteries are discharged or unserviceable 1 Charge rechargeable batteries on the bat tery charging unit as instructed in the Manual furnished with Can be performed in the field Trouble and symptoms Probable cause Remedy Remarks The unit or replace failed recharg...

Страница 46: ...f silica gel indicator through sight glass 14 Replace the silica gel when its color is turned lilac or rosy Can be performed in the field 4 LVC or cable are out of order 1 Forward the unit for repair To be performed at a repair shop or at Manu facturer s facilities 5 Image intensifier tube is out of order 1 Forward the unit for repair To be performed at a repair shop or at Manu facturer s faciliti...

Страница 47: ...ngle set of spare parts Can be performed in the field 2 Unit is out of focus dioptric setting of eyepieces has not been performed lenses have not been focused 1 Adjust properly sharpness of image by rotating eyepiece 2 Ref Fig 5 1 with the aid of adjustment ring 3 2 Bring the image viewed in lenses 1 Ref Fig 5 1 into sharp focus as instructed in Step 7 4 Can be performed in the field 3 Lens or eye...

Страница 48: ...nsifier tube is unser viceable 1 Forward the unit for repair To be performed at a repair shop or at Manu facturer s facilities 4 With the unit energized drops of moisture are visible on optical surfaces in the field of vision of the eyepiece 1 Moisture has got inside the unit failure of the eye piece sealing 1 Replace dehydrator cartridge 13 Ref Fig 5 1 by first inspecting the color of silica gel ...

Страница 49: ...en its color has changed to lilac or rosy 5 Night vision goggles are not properly secured on the mount of the helmet 1 Fixing assembly of the night visi on goggles is out of order 1 Forward the unit for repair To be performed at a repair shop or at Manu facturer s facilities ...

Страница 50: ...ight preparation 3 Preparation for the next flight 4 Post flight procedures 10 3 The maintenance operations and checks stipulated by the above maintenance practices are presented in Table 5 Table 5 Line maintenance procedures preflight checks Subject of maintenance and operations Prelimi nary preparat ion Preflight prepara tion Prepara tion for next flight Post flight proced ures 1 Storage battery...

Страница 51: ... for external condition as instructed in Section 8 Checking the unit set for completeness Checking the night vision goggles and their accessories for external condition Testing the night vision goggles for serviceability Checking the night vision goggles for image quality 4 Preparation of the unit for use in compliance with Section 6 Individual adjustment and fitting of the unit Arrangement of the...

Страница 52: ...on wool moving it from the center to the edge to finish the cleaning It should be remembered that the unit should be de energized during the process of optical surfaces cleaning Perform cleaning of the monocular pair fixing assembly and unit accessories to remove dust dirt etc if any 10 4 In the course of service and storage of the NVS 6 it is necessary to ensure replacement of the independent pow...

Страница 53: ...ing the night vision goggles and their accessories for external condition Checking the unit set for completeness Testing the night vision goggles and their accessories for serviceability Checking the night vision goggles for image quality resolving power 3 Periodic inspection Checking screws for proper tightness and inadvertent loosening Adjustment of retainers force for locking in operating posit...

Страница 54: ...vertent loosening with the aid of the screwdriver included in the set of spare parts When carrying out this check make sure that the screws completely secure the joints between parts and assemblies Screw slippage and loosening are inadvisable 10 9 The adjustment of force of retainer 21 Ref Fig 5 2 shall be accomplished by turning the retainer attachment screw When the screw is turned the retaining...

Страница 55: ... use of lamination method the units are sealed in a polyethylene bags On the expiry of three years since preservation the unit shall be subject to repeated preservation 11 4 The NVS 6 can be shipped by any type of transport and over varied distances provided proper packaging is in place During transportation the package that contains the case with the unit shall be securely protected against shock...

Страница 56: ... Casing on Helmet 20 6 2 Assembly of Clamp with Retainer 21 6 3 21 6 4 Installation of Night Vision Goggles on Helmet in Operating Position 24 6 5 Night Vision Goggles Installed on Helmet in Stowed Position 25 6 6 Installation of Night Vision Goggles on Helmet and Their Adjustment Relative to Pilot s Eyes 26 6 7 Connection of Night Vision Goggles to Helicopter Electrical System Via Voltage Convert...

Страница 57: ...Page 52 APPENDIX B List of Abbreviations reference FOV Field of view IPS Independent power source LVC Low voltage converter ...

Страница 58: ...a NEWCON Authorized Service Postage insurance or shipping costs incurred in presenting your NEWCON product for warranty service are your responsibility Please include a cheque or money order made out to NEWCON OPTIK for the amount of 15 00 to cover shipping and handling within Canada or the U S A Shipping to other destinations will be done at the customer s expense 8 Customer Support Should you ex...

Страница 59: ...NVS 6 MANUAL Page 54 ...

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