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Federal State Unitary Enterprise   

Production Amalgamation 

"Novosibirsk Instrument Making Plant" 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

BINOCULAR  OBSERVATION  DEVICE 

PNB-3 

“SOKOL” 

Service  manual 

AL3.803.100 RE 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Summary of Contents for PNB-3

Page 1: ...Federal State Unitary Enterprise Production Amalgamation Novosibirsk Instrument Making Plant BINOCULAR OBSERVATION DEVICE PNB 3 SOKOL Service manual AL3 803 100 RE...

Page 2: ...servation and determination of angular coordinates of objects observed from the stationary and temporary observation posts by day and night by the light of searchlights As distinct from PNB 3 1 device...

Page 3: ...old 10 field of view deg 7 resolution in the centre of the field of view 5 range of measuring the angles deg elevation from minus 18 to 84 the traversing angles 360 Tell tale pipe magnification fold 8...

Page 4: ...15 9 of the tripod 6 2 of the system of illumination 0 44 of the accumulator in the housing 2 of the device packed 53 12 50 3 COMPLETE SET Table 2 Name Value PNB 3 PNB 3 1 Observer s binoculars 1 1 T...

Page 5: ...lar observation device PNB 3 Service manual 1 1 1 Nickel cadmium accumulators of NK 13 type Maintenance instructions 1 4 SAFETY PRECAUTIONS The device should be reliably secured at the seat of the tri...

Page 6: ...sight in the vertical plane are read in the range from minus 18 3 00 to plus 84 14 00 from scale 7 and by the nonius secured rigidly in the bracket Readings are taken from the scale through the port...

Page 7: ...optical pieces of the device Mount the headrest on the device Fix the lamp holders at the seats of the eyepieces of the binoculars and tell tale pipe In operation at night connect the plug coupling t...

Page 8: ...e value of correction in divisions of the deflection which is added to the result obtained before Example It is required to take readings from the scale of the horizontal limb in compliance with figur...

Page 9: ...e completeness in compliance with the list of complete set Check it by visual inspection The complete set must be fully available 2 The outer appearance of the device and its parts reliability of secu...

Page 10: ...peration of the mechanisms of angles of elevation and traversing angles Check it by rotation of the device around the horizontal and vertical axes with the use of handles 6 Figure 1 The rotation must...

Page 11: ...torage It is not permitted to store the device on the floor near stoves at the windows The premises where the device is stored must be dry and heated The air temperature in the premises must be not lo...

Page 12: ...tored silica gel must not be exposed to the open air for more than two minutes to avoid saturation of silica gel with moisture from the surroundings Silica gel can be restored unlimitedly in doing so...

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