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17.2. PERIODIC TABLE OF SERVICE AND MAINTENANCE
TASKS PER COMPONENTS
1 - CASING
Control possible contaminations, damage and/or
1.1
corrosion.
Check the possible presence of water (condensates,
1.2
leakages,...).
1.3
Verify thermal insulation aspect
1.4
Check the state of the anti-vibration pads
1.5
Check the condition of door gasket.
2 - REFRIGERANT CIRCUIT
Verify oil compressor level when compressors are
2.1
off
2.2
Check the lack of gas bubbles in the fluid line
2.3
Check the lack of humidity in the refrigerating fluid
Check the pipes or capillaries do not rub and
2.4
vibrate.
Check the compressors do not emit abnormal
2.5
noise or vibration.
2.6
Check the backflow temperature.
2.7
Record the operating pressure
2.8
Check the compressor fastening screws are tight.
Check the crankcase heater are powered on during
2.9
the stop cycle.
2.10
Check the cleanliness of the coil.
2.11
Test the oil for contamination.
2.12
Check the filter drier clogging.
2.13
Check the operation of the high pressure switch.
Check the lack of refrigerating fluid leak
2.14
détecteur si nécessaire)
2.15
Check the condition of the anti-vibration studs
3 - ELECTRIC CIRCUIT
Check the electrical voltage applied to the unit,
3.1
which must remain stable within the tolerances
specified in the information plates.
Check that the main supply cable is void of
3.2
alterations likely to impact the insulation.
3.3
Check the grounding of the metallic structure
3.4
Inspect the contacts.
Check that all electrical connections of the
3.5
device are tight
3.6
Check the thermal protection relays of the motors
Check the nominal intensity and condition of the
3.7
fuses.
3.8
Check the condition of the condensers.
Clean the compressed air electrical unit to remove
3.9
any dust or other contaminants building up.
3.10
Check the motor windings are insulated.
4 - FAN(S)
Check the lack of contamination, corrosion or
4.1
damage.
4.2
Check proper fastening of the fan.
4.3
Check the vanes to guarantee balancing.
4.4
Check the bearings for noise.
4.5
Check the condition of the fan motor.
ACTIONS
Clean and repair if required.
Clean and look for the cause, then repair.
Replace if required.
Replace if required.
Replace if required.
Check it is above or below those recorded
when the unit was started up.
Clean if
required.
Change the oil if required.
Replace if required
Replace if required
(visuel +
Repair
Replace if required
Replace if required.
Repair if required.
Replace if required.
Tighten if required.
Replace if required.
Clean if required
Tighten if required.
Clean if required.
Repair if required.
27
1
3
6
12
month
months
months
months
Recommended inspection
and maintenance interval
At each inspection
24
months
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