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3 MAINTENANCE
3.1 Technical maintenance of the detecting unit
3.1.1 General instructions
The list of operations during technical maintenance (hereinafter the TM) of the detecting unit,
order and peculiarities of operational phases are given in the Table 3.1.
Table 3.1 – List of operations during maintenance
List of operations
External examination
Delivery kit completeness
check
Operability check
Refreshing damaged painting
Testing
Registration of operations in
the performance records table
Note – "+" symbol means the operation is applicable during this maintenance type, "-" symbol
means the operation is not applicable.
3.1.2 Safety measures
Safety measures during maintenance fully comply with safety measures presented in 2.2.1 of
the OM.
3.1.3 Maintenance procedure of the detecting unit
3.1.3.1 External examination
3.1.3.1.1 External examination of the detecting unit should be performed in the following
order:
а) check the technical condition of the detecting unit surface, integrity of seals, absence of
scratches, traces of corrosion, and surface damage;
b) check the condition of connectors in the cable connection point.
Clean the metal parts of the detecting unit with the oiled cloth after operation in the rain or
after special treatment (deactivation).
3.1.3.1.2 Deactivation of the case surface and component parts of the detecting unit is
performed if required.
Deactivate the surface of the component parts of the detecting unit by cleaning it with the
decontamination solution.
Boric acid (Н
ВО
3
The following decontamination solutions are also permitted:
- 5 % solution of citric acid in ethyl alcohol С
- boric acid – 16 g/l, Na
- standard synthetic detergents.
Expenditure rate of decontamination solution during deactivation of the detecting unit surface
is 0.2 l. Use cotton gloves, surgical gloves and sheeting during deactivation.
Operating manual ВІСТ.418266.006-03 НЕ
everyday use
-
-
+
-
-
-
1216 g/l) is recommended to be used as the decontamination solution.
3
5H
O – 1 % solution;
S
O
2
2
3
2
Maintenance type
during
long-term
periodical use
(annually)
+
-
+
+
+
+
Н
ОН (96 % concentration);
2
5
13
during
OM item No.
storage
+
3.1.3.1
+
3.1.3.2
+
3.1.3.3
+
3.1.3.4
+
3.2
-
3.1.3.5
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