64 53 521 Replacing safety pressure switch (N74): Notes
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WARNING:
Risk of injury!
Refrigerant circuit is under high pressure!
Avoid contact with refrigerant and refrigerant oil.
Refrigerant circuit is under high pressure!
Avoid contact with refrigerant and refrigerant oil.
- Follow safety precautions when handling refrigerant. See safety instructions for HANDLING R 134A REFRIGERANT , HANDLING TETRAFLUORETHANE REFRIGERANT R134A , and HANDLING REFRIGERANT OIL .
IMPORTANT:
Risk of damage!
Restart engine only when air conditioning system has been correctly filled.
Follow INSTRUCTIONS for opening and replacing parts in refrigerant circuit.
If air conditioning system is opened for more than 24 hours: replace desiccant insert for air conditioning system. See REPLACING DESICCANT INSERT or REPLACING DESICCANT INSERT (CAPACITOR REMOVED) .
Restart engine only when air conditioning system has been correctly filled.
Follow INSTRUCTIONS for opening and replacing parts in refrigerant circuit.
If air conditioning system is opened for more than 24 hours: replace desiccant insert for air conditioning system. See REPLACING DESICCANT INSERT or REPLACING DESICCANT INSERT (CAPACITOR REMOVED) .
Necessary preliminary tasks:
- DRAIN OFF AIR CONDITIONING SYSTEM
- Remove right INTAKE FILTER HOUSING
Release screws (1) and (2).
Remove heat shield (3).
Unfasten plug connection (1) and disconnect.
Release safety pressure switch (2).
Tightening torque 64 53 8AZ .