NPZ 1PN91-2, Service Manual

Page 1: ...ARTICLE 1PN91 2 Service manual AL3 803 105 RE...

Page 2: ......

Page 3: ...the aiming circle 14 4 Operation of the article 16 4 1 General instructions 16 4 2 Defining of the direction angles of oriented directions 16 4 3 Defining of the angles reading from the reference dir...

Page 4: ...ntenance procedure 22 5 4 Preservation depreservation represervation 26 REPAIR IN SERVICE 6 Repair article in service 28 6 1 General instructions 28 6 2 Troubleshooting 28 STORAGE 7 Storage of the art...

Page 5: ...ation Storage rules requirements to transportation and information about operation of the article 1PN91 2 are also given in the Service Manual While studying the article 1PN91 2 it is necessary to use...

Page 6: ...1 1 2 The article operates in ambient air range from 50 to 50 C and relative humidity at 100 at temperature 25 C 1 2 Performance features 1 2 1 The main performance features must correspond to the ta...

Page 7: ...the set in action position kg 8 Maximum weight of the set in stowed position kg 13 Overall dimensions of the sighting device mm height 164 length 351 width 130 Overall dimensions of the case mm height...

Page 8: ...4 Diaphragm 1 On AL5 811 035 AL6 354 592 Handle 1 AL6 832 051 Soft cover 1 For AL5 811 035 AL8 890 001 01 Napkin 2 AL8 918 272 Screw 1 Package AL4 162 001 Case 1 AL6 830 084 Carrying bag 1 For AL4 799...

Page 9: ...ch SA1 Figure A 1 is switched on 2 0 3 6 V voltage is given to the IIT from the power supply G1 and G2 1 5 Design and operation of the components of the article 1 5 1 The sighting device3 Figure A 2 c...

Page 10: ...nd sets any reading on it the handle 9 fixes the location of the sighting device on the seat 10 of the angle measuring device the screws 18 and 19 fix the aiming circle position during adjusting the h...

Page 11: ...llumination readings are taken every 5 minutes the measures are carried out by two people one is an operator the other is an observer The observer s position is at the place of testing The operator wi...

Page 12: ...nual 1 8 5 Damage of the paint coat on the elements of the case locks is possible OPERATION 2 Equipment limitations 2 1 Each time before work with the sighting device check if the sighting device is f...

Page 13: ...he accumulators operation 3 PREOPERATION INSTRUCTIONS 3 1 General instructions 3 1 1 While working with the sighting device under the conditions which require the high degree of camouflage fix the Eye...

Page 14: ...two accumulators in the cap 11 Figure A 3 and two accumulators in the cap 3 Figure A 5 Screw the lids into the sighting device and into the illuminator if it is necessary to carry out mutual orientat...

Page 15: ...d not be adjusted according to the direction If the reading on the scale 7 is more than 0 10 it is necessary to do the following loosen the screws 18 Figure A 4 and 19 with the help of the spanner 7 F...

Page 16: ...angle taking into account the aiming circle allowance For this use the formula 1 Am Am 1 direction angle of oriented direction Am mean value of the magnetic azimuth Am the aiming circle allowance with...

Page 17: ...he South or North 4 3 Defining of the angles reading from the reference direction assigned with regard to the North South direction 4 3 1 Aim the observing line of the sighting device at the North wit...

Page 18: ...vernier counting method and write it down Aim the cross of the sighting device reticle at the other object by turning the handwheel 8 take the reading on the scale 7 Subtract the smaller angle value f...

Page 19: ...his method of orientation bear in mind that reading of the angle on the target corresponds to the direction angle of the direction from the observation point to the given target 4 9 Measuring of the d...

Page 20: ...ealing and liquidation of the reasons causing premature wear and damage of the assemblies and elements of the article During operation the following types of servicing are provided for the article mai...

Page 21: ...after every 200 hours of operation before sending the article for long term storage regardless of the previous period of operation M 2 is carried out with the help of the spare parts tools and outfit...

Page 22: ...of maintenance works Note Check if the whole integration of the article corresponds to the one given in the logbook AL3 803 105 F The article integration must correspond to the delivery set given in t...

Page 23: ...the level 16 Figure A 4 condition by sight There must not be any cracks clefts on the level which can prevent from watching the bubbles The sizes of the bubbles must not exceed the limits of the middl...

Page 24: ...alcohol ether mixture 15 of ethyl purified technical alcohol of the extra class GOST 18300 87 and85 ofethylicmedicalether The contacts must be clean Clean the external surfaces of the optical element...

Page 25: ...65P of the khaki colour GOST 12034 77 Ifnecessary repairthecase Gluethe bushings with nitro glue K 20 Ifnecessary repairthesoftcovers15 Figure A 9 17 and the bag 18 Use glossy factory threads 20 Prima...

Page 26: ...ce m green grass 1000 open space covered with snow 1000 yellow grass sand 1000 deciduous forest 600 coniferous forest 300 Distance to the deciduous or coniferous forest must be not less than 25 m Reco...

Page 27: ...lements of the article according to the point of the table 5 5 4 3 For depreservation of the article during M 1h and M 2h do the following take the article and the single STA kit from the case 1 take...

Page 28: ...not discharged if power supply of the article is on Special attention must be paid to the cleanness of the power supply contacts 6 1 2 While working with the article the safety measures must be taken...

Page 29: ...s switched on the image is blurred the IIT flickers or the image is not stable and fades The IIT A2 is spoiled because of a flash exposure to some strong light source Switch the sighting device off an...

Page 30: ...ing it from storage do the following store the article in the case together with the single STA kit and with the maintenance documentation send for storage only examined operable clean articles when s...

Page 31: ...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...

Page 32: ...3 The sighting device Figure A 4 The tripod with the angle measuring device Figure A 5 The illuminator Figure A 6 The field of view of the sighting device Figure A 7 The Landolt ring for checking illu...

Page 33: ...33 1 2 3 4 1 objective 2 erector 3 reticle 4 ocular A1 reticle illumination luminodiode A2 IIT tube SA1 switch G1 G2 batteries Figure A 1 Electronic optical scheme of the sighting device...

Page 34: ...34 1 2 3 4 5 1 handle 2 illuminator 3 sighting device 4 angle measuring device 5 tripod Figure A 2 The Article 1PN91 2...

Page 35: ...2 1 3 4 5 6 7 8 9 10 11 B 12 13 14 1 objective 2 handle 3 handwheel 4 screw 5 ring 6 clamp 7 eye shield 8 ocular 9 handwheel 10 screw 11 cap 12 handwheel 13 strip 14 holder Figure A 3 The sighting dev...

Page 36: ...4 leg 5 angle measuring device 6 handle 7 scale 8 handwheel 9 handle 10 seat 11 scale 12 lens 13 handwheel 14 aiming circle 15 lens 16 round level 17 handwheel 18 screw 19 screw 20 thumbscrew 21 scre...

Page 37: ...37 2 1 3 1 cap 2 ring 3 cap Figure A 5 The illuminator...

Page 38: ...38 Figure A 6 The field of view of the sighting device...

Page 39: ...39 Figure A 7 The Landolt ring for checking illumination...

Page 40: ...40 Figure A 8 The chart for illumination defining Illumination lux distance m...

Page 41: ...896 023 8 cap AL8 634 062 9 screw AL9 918 272 10 napkin AL8 890 001 01 11 bushings AL6 215 014 12 elements HL 316 13 batteries R6 AA 14 accumulators NLTs 0 9 1 15 soft cover AL6 832 051 16 maintenanc...

Page 42: ...42 1 case 2 angle measuring device 3 tripod 4 sighting device Figure A 10 The Article 1PN91 2 in the case 4 3 2 1...

Page 43: ...43 1 91 2...