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SAFETY PRECAUTION
4- Safety Precaution
1- Personal Protection:
Air conditioning systems offers chemic, mechanic and
electric risks.
It is mandatory to wear IPE (Individual Protection
Equipment), picture 1 to protect yourself from
refrigerant gas, refrigerant oil, battery acid, waste
launched, engine high temperature and noise.
2- High Pressure:
The refrigerant in liquid state and high pressure causes a
potential risk. When the refrigerant is sprayed to natural air, it
R134a
can cause serious injuries to eyes and skin.
3- Hoses:
150
200
40
50
60
120
150
180
30
60
80
100
70
100
90
210
40
120
80
240
250
20
140
60
20
90
30
270
10
0
160
50
300
0
100
0
R134a
330
300
30
-20
R134a
200
180
-30
PSI
20
-40
PSI
110
0
350
10
120
Check if manometer hoses are in good conditions, when
holding them; stay far from belts, pulleys and hot surfaces.
4- Hot Surface:
The compressor discharges, exhaust pipes and other engine
components can be extremely hot.
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5- Rotation Components:
The fans, pulleys and belts are not visible under certain
conditions. Special care must be taken when putting your hands
near them.
6- Welding:
Welding must be done carefully; it causes burns and spray toxic
gases out. Provide ventilated places to do it.
7- Toxic Gases:
The refrigerant gas along with flame becomes into toxic gases
and can cause very serious breathing illness. Take special care in
closed places, if gases scape somehow (leakage) and then it can
cause no toxygen in the air.
Other Care:
•
When handling and going up and down stairs, ladders and platforms, you can
slide or they can break.
•
Wear a seat belt always when working over 1.5m high.
•
Never apply heat in recipients or pressured lines.
•
Never operate the equipment if discharge service valve is closed.
•
The refrigeration oil can cause irritation to your skin and eyes.
•
Check if every screw are long enough and right tight.
•
Components that are not in good conditions must be replaced by new
ones due to safety reasons.
DD 430
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