NPZ 1PN91-2 Service Manual
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NPZ 1PN91-2 Service Manual

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ARTICLE PN9-2
Service manual
AL3.803.05 RE


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Summary of Contents for NPZ 1PN91-2

  • Page 1 ARTICLE PN9-2 Service manual AL3.803.05 RE...

  • Page 3: Table Of Contents

    CONTENTS Page Introduction List of abbreviations DESCRIPTION OF DESIGN AND OPERATION  Description and operation of the article . Purpose .2 Performance features .3 Composition of the article .4 Design and operation .5 Design and operation of the components of the article .6 Measuring tools, tools and accessories .7 Designation and seals .8 Package...
  • Page 4 MAINTENANCE 5 Maintenance 5. General instructions 5.2 Safety measures 5.3 Maintenance procedure 5.4 Preservation (depreservation, represervation) REPAIR IN SERVICE 6 Repair article in service 6. General instructions 6.2 Troubleshooting STORAGE 7 Storage of the article TRANSPORTATION 8 Transportation of the article Appendix A List of figures...

  • Page 5: List Of Abbreviations

    The Service Manual is intended for studying of the design and operating rules of the article PN9-2. The Service Manual contains information about the purpose, performance features, information about design and operation of the article PN9-2 which are necessary for correct running of the article and full usage of its technical capacities.

  • Page 6: Description Of Design And Operation

    DESCRIPTION OF DESIGN AND OPERATION 1 DESCRIPTION AND OPERATION OF THE ARTICLE 1.1 Purpose .. The night distant observation device (index PN9-2), the article PN9-2 (hereinafter referred to as the article) is designed for battlefield observation, target recognition and adjustment of shooting at night. It is possible to carry out the following operations with the help of the article: measuring of horizontal and vertical angles, defining azimuth and target angle of elevation, measuring distance to the target if its dimensions (height...

  • Page 7: Composition Of The Article

    Continuation of the table  Name Value Minimum continuous operation time of the vie- wfinder, the switch handle being in the position , without changing power supplies, h at temperature: from 0 to +50 °C from 0 to -40 °C -50 °C Maximum time needed to get the article ready for the battle operation after power is switched on, sec...
  • Page 8 Continuation of the table 2 Code Item Note Spare parts Accumulator NLTs-0.9- Are delivered discharged AL6.25.04 Bushing AL6.548.035 Eyeshield AL8.634.062 Element ТHL-36 Battery R6 (AA) Tool AL8.896.023 Spanner Accessories AL4.799.00 Charge unit AL5.00.062 Battery tester YК-36 AL5.42.667 Illuminator Without NLTs-0.9- AL6.274.84 Diaphragm On AL5.8.035...

  • Page 9: Design And Operation

    1.4 Design and operation .4. The main components of the article are the sighting device 3 (Figure A.2), the illuminator 2, the handle  for fastening the illuminator on the sighting device for carrying the sighting device, the tripod 5 on which angle measuring device 4 with the sighting device are fastened.

  • Page 10: Measuring Tools, Tools And Accessories 0

    .5.4 The angle measuring device 4 (Figure A.2) is intended for the following: – setting of the sighting device 3 on the tripod and its horizontal and vertical aiming at the object of observation; – orientation of the sighting device with the help of the aiming circle corresponding to the direction of the magnetic meridian (North-South);...

  • Page 11: Designation And Seals

    .6.7 The diaphragm 4 is intended for protection of the sighting device 3 objective (Figure A.2) from damage during transportation. .6.8 The handle 3 (Figure A.9) is intended for fastening the illuminator 2 (Figure A.2) on the sighting device 3 and for carrying the sighting device. .6.9 The screw 9 (Figure A.9) is intended for fastening the handle  (Figure A.2) on the sighting device 3.

  • Page 12: Package 2

    1.8 Package .8. The case  (Figure A.0) serves for storage and transportation of the sighting device, single STA kit and maintenance documentation. .8.2 Before putting the components of the article into the case, it is necessary to do the following: –...

  • Page 13: Preoperation Instructions

    2.7 During breaks in work and in bad weather, it is necessary to put the soft cover 5 on the sighting device. 2.8 If some bright glowing objects come into the field of view, it is necessary to switch the sighting device off by turning the handle 2 (Figure A.3) to the position marked by the red point.

  • Page 14: Setting Of The Article In Action Position

    3..3 It is recommended to take the tripod 5 (Figure A.2) from the soft cover 7 (Figure A.9) and put the tripod and the soft cover into the case separately. This is done for reducing the time of setting the article in action position. 3.2 Setting of the article in action position 3.2. For setting the article in action position at night it is necessary to do the following:...
  • Page 15 the needle from the plane with index (checking aiming circle according to the height); checking of the deviation of the needle from the zero position (checking of the standstill angle); checking of the decay time and number of oscillations of the needle. First, checking the aiming circle according to the direction and height is done;...

  • Page 16: Operation Of The Article

    – if the aiming circle needle does not return to the original position after oscillations, superpose it with the index by turning the handwheel 8; take the reading on the scale 7. The reading is the standstill angle of the aiming circle; –...

  • Page 17: Defining Of The Angles Reading From The Reference Direction Assigned With Regard To The North-South Direction

    For example: We know the direction angles of the directions: for the object N. they are 8-69, for the object N.2 they are 4-37, for the object 3 they are 20 -2. During checking by these objects, the magnetic azimuths shown in the table 3 were defined.

  • Page 18: Measuring Of The Vertical Angles Between Two Objects With The Help Of The Reticle

    Count number of points of the reticle to the second object and approximately define the point part. Multiply the obtained number of the points together with the parts by the value of one point 0-05. The obtained result is the horizontal angle between the two objects. 4.5 Measuring of the vertical angles between two objects with the help of the reticle 4.5. Aim the horizontal line of the sighting device reticle or any line of the...

  • Page 19: Measuring Of The Distance To The Target 9

    4.8.2 The orienting of the article for defining targets from the point of conjugated observation is carried out by mutual aiming of the sighting devices or according to the direction angle. During orienting by mutual aiming of the sighting devices, the illuminators 2 (Figure A.2) set on the sighting devices are aimed at each other.

  • Page 20: Maintenance

    – take the batteries from the cup of the cap  and put them into the case; – screw up the cap ; – take the handle  (Figure A.2) off the sighting device 3, having screwed off the screw A (Figure A.3) and put it into the case; –...
  • Page 21 If the article is not used, DM is carried out once in two weeks. DM includes the works described in the table 5. 5..3.3 M.- is carried out for maintaining the article in the state of operability till the next number maintenance works. M.- is carried out by the staff and the elements responsible for maintenance works, repair and routine-tuning works when the article is delivered to the military article and after exercises.

  • Page 22: Safety Measures

    M.-2h. is carried out by the people responsible for storage with the help provided by the elements responsible for maintenance works, repairing and routine-tuning works as demanded by M.-2h (except sight adjustment) after two years of storage. 5.2 Safety measures 5.2. Set the tripod by pressing the supports well into the ground before setting the sighting device on it.
  • Page 23 Continuation of the table 4 Point of the Object and contents of maintenance Note Service Manual works Voltage of the feed elements must be the following: – not less than 3 V for the element ТHL-36 2; – not less than .2 V for the accumulators NLTs-0.9- 4;...
  • Page 24 5.3.2 DM is described in the table 5. Table 5 Point of the Object and contents of maintenance Note Service Manual works Carry out the works described in the table 4 5.3.2 Clean dust, dirt and moisture off the article with the help of cleaning rag (GOST 4643-75).
  • Page 25 5.3.3 M.- and M.-2 are described in the table 6. Table 6 Types of Point of the maintenance Object and contents of Operating Note works maintenance works Manual M.- M.-2 Carry out the works described in 5.3.3 the table 5 Check the aiming circle 4 (Figure A.4) according 3.3 to the Service Manual 5.3.3...

  • Page 26: Preservation (Depreservation, Represervation)

    Continuation of the table 6 Types of Point of the maintenance Object and contents of Operating Note works maintenance works Manual M.- M.-2 Dry the sighting device up according to the instruction on using the 5.3.3 group STA set AL3.803.05 II Preserve the article, the single STA kit when they are sent for storage 5.3.3...
  • Page 27 Represervation periods during storage correspond to the periods of carrying out M.-h and M.-2h according to the point 5..5. and 5..5.2 correspondingly. Depreservation is carried out when the article is put into operation after delivery from the manufacturer or when the article is taken from storage. 5.4.2 Depreservation of the article after its delivery from the manufacturer is carried out in the following way: –...

  • Page 28: Repair In Service

    – put the accumulators NLTs-0.9- 4, the batteries of standard size R6 (AA) 3, the elements ТHL -36 2 from the single STA kit separately into pockets made of polyethylene film (T sleeve of the st class, GOST 0354-82), solder the pockets up; –...
  • Page 29 Continuation of the table 8 Instruction on identifying and elimination of the Problem Possible reasons assembly (detail) failure and damage consequence 2 The IIT A2 has broken 2 Send the sighting device down to the repair shop 3 The contacts have 3 Clean the contact and oxidized or become wipe it with a napkin,...

  • Page 30: Storage

    – remove the accumulators which are out of order and put the good ones into the cup of the cap , having taken them from the single STA kit. Mind the polarity marked on the accumulators and on the cap  cup; –...

  • Page 31: Transportation

    TRANSPORTATION 8 TRANSPORTATION OF THE ARTICLE 8. The article together with the single STA kit and maintenance documentation in the case can be transported by all traffic means on any distance. 8.2 Before transportation (transporting by vehicles or carrying), it is necessary to make sure that the sighting device, the single STA kit and maintenance documentation are fixed well in the case.
  • Page 32 Appendix A List of figures Figure A. – Electronic optical scheme of the sighting device Figure A.2 – The article PN9-2 Figure A.3 – The sighting device Figure A.4 – The tripod with the angle measuring device Figure A.5 – The illuminator Figure A.6 –...

  • Page 33: Figure A. - Electronic Optical Scheme Of The Sighting Device

     – objective; 2 – erector; 3 – reticle; 4 – ocular; A – reticle illumination luminodiode; A2 – IIT tube; SA – switch; G, G2 – batteries Figure A. – Electronic optical scheme of the sighting device...
  • Page 34  – handle; 2 – illuminator; 3 – sighting device; 4 – angle measuring device; 5 – tripod Figure A.2 – The Article 1PN91-2...

  • Page 35: Figure A.3 - The Sighting Device

    А  – objective; 2 – handle; 3 – handwheel; 4 – screw; 5 – ring; 6 – clamp; 7 – eye shield; 8 – ocular; 9 – handwheel; 0 – screw;  – cap; 2 – handwheel; 3 – strip; 4 – holder Figure A.3 –...

  • Page 36: Figure A.4 - The Tripod With The Angle Measuring Device

    7 8  – support; 2 – screw-nut; 3 – strap; 4 – leg; 5 – angle measuring device; 6 – handle; 7 – scale; 8 – handwheel; 9 – handle; 0 – seat;  – scale; 2 – lens; 3 – handwheel; 4 – aiming circle; 5 – lens; 6 – round level; 7 –...

  • Page 37: Figure A.5 - The Illuminator

     – cap; 2 – ring; 3 – cap Figure A.5 – The illuminator...

  • Page 38: Figure A.6 - The Field Of View Of The Sighting Device

    Figure A.6 – The field of view of the sighting device...

  • Page 39: Figure A.7 - The Landolt Ring For Checking Illumination

    Figure A.7 – The Landolt ring for checking illumination...

  • Page 40: Figure A.8 - The Chart For Illumination Defining

    Illumination, lux Figure A.8 – The chart for illumination defining...

  • Page 41: Figure A.9 - The Single Sta Kit

    А 8 9  – charge unit AL4.799.00; 2 – eye shield AL6.548.035; 3 – handle AL6.354.592; 4 – diaphragm AL6.274.84; 5 – battery tester YК-36 AL5.00.062; 6 – illuminator AL5.42.667; 7 – spanner AL8.896.023; 8 – cap AL8.634.062; 9 – screw AL9.98.272; 0 – napkin AL8.890.00-0;  – bushings AL6.25.04; 2 –...
  • Page 42  – case; 2 – angle measuring device; 3 – tripod; 4 – sighting device Figure A.0 – The Article 1PN91-2 in the case...
  • Page 43 Изделие ПН9-2. Руководство по эксплуатации на английском языке...

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