MSA CH-105, Operating Manual

Page: 23 / 35

Operating Manual
22
Table 9 –
CL
№ 1. Visual check of the Product
To be done Routine
Man-hours per
1 Product
Visually examine the
Product
1 check completeness and appearance of the Product;
mechanical damage, paint defects must be absent;
marking plates shall be present; legends are to be read
easily.
2 clean up the Product surfaces with clean cloth;
3 remove severe contamination, parts of corrosion, oil
spots from the metal surfaces – using ethyl alcohol,
avoiding its penetration inside the Product; all surfac-
es clean dry by clean cloth and dry up;
4 If varnish paint coating is damaged, polish it with
sand paper, then clean with alcohol-soaked cloth,
cover with varnish АК-113 and dry up
1 person
5 minutes
Check reliability of
cable and bus connec-
tion to the Product
1 check that connectors and attaching screws are fas-
tened tight; provide further fastening if needed.
2 check the cable integrity (mechanical damage shall
be absent) within visibility
1 person
5 minutes
Table 10 –
CL
№ 2. Operability check of the Product
To be done Routine
Man-hours per
1 Product
Check the Product’s
operability
1 switch the power on;
2 make sure that power On (Off) button backlight is
glowing green
1.1 1
1 person
5
minutes
Table 11 –
CL
№ 3. Power circuit insulation resistance check
To be done Routine
Man-hours per
1 Product
Power circuit insulation
resistance check
Check insulation resistance between conductors and
Product casing using megaohmmeter (generator type).
The insulation resistance shall not exceed 1 Mohm
1 person
15
minutes
Table 12 –
CL
№ 4. Test of output voltage compliance
To be done Routine
Man-hours per
1 Product
Test of output voltage
compliance
1 connect voltmeter to the Product’s output contacts;
2 measure voltage on output terminals. 1 person
15
minutes