20
– 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;
– put the diaphragm 4 (Figure A.9) on the sighting device;
– turn the handle 9 (Figure A.4);
– take the sighting device 3 (Figure A.2) from the holder 0 (Figure A.4) of
the tripod and put it into the case;
– loosen the thumbscrew 20, take the angle measuring device 4 (Figure A.2)
out of the ball bearing of the tripod 5 (Figure A.2);
– slide the supports (Figure A.4) inside, fasten them with the help of the nuts 2,
tighten them with the strap 3;
– put the tripod 5 (Figure A.2) into the soft cover 7 (Figure A.9) and into
the case.
MAINTENANCE
5 MAINTENANCE
5.1 General instructions
5.. It is necessary to carry out maintenance works of the article in time for
maintaining it in constant alertness, for providing reliability in operation, for
increasing interrepair time as well as for timely revealing 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:
– maintenance works in the period of operation;
– maintenance works during short-term storage;
– maintenance works during long-term storage.
5..2 When the article is delivered to the military unit, its technical state is
checked according to the table 4.
5..3 Maintenance works in the period of operation include the following
types of servicing:
– CI;
– DM;
– M.-;
– M.-2.
5..3. CI is carried out for checking technical state of the article and for
eliminating the revealed defects.
CI is carried out by the staff who are responsible for the article. CI must be
carried out before combat, march, exercises or maneuvers with the help of the
tools and outfit from the single STA kit.
CI includes the works described in the table 4.
5..3.2 DM is carried out for preparing the article to operation.
DM is carried out by the staff who are responsible for the article. DM
must be carried out after combating, marching, exercising, maneuvering and
transporting with the help of the tools and outfit from the single STA kit.
Summary of Contents for 1PN91-2
Page 1: ...ARTICLE 1PN91 2 Service manual AL3 803 105 RE...
Page 2: ......
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 43: ...43 1 91 2...