Warning: Accumulator and R12 type pressure switches are similar but cannot be used in R134 systems and vice versa.
Pressure switch
1. Disconnect the negative battery cable.
2. Pull the electrical connector out of the sleeve type pressure switch.
3. Unscrew the pressure switch from the accumulator.
4 Lubricate the O-ring of the pressure switch tip with clean oil.
5. Screw the pressure switch onto the accumulator panel. If the threaded tip is made of plastic, tighten the switch by hand, if it is metal, use a wrench.
6. Connect the electrical connector to the switch.
7. Have the system charged and the pressure switch checked by a qualified technician.
Battery
8. Disconnect the negative battery cable.
9. Remove the electrical connector from the pressure switch located on top of the accumulator (see figure 16.2).
10. Using a special tool, disconnect the suction pipes in the spring lock closest to the compressor (see picture). Cover hoses and compressor to prevent oil and contaminants from entering.
16.10. When removing and installing the accumulator, make sure that the pipes on the suction line are connected correctly.
1. To the evaporator.
2. Air conditioner condenser piping.
3. To the condenser.
4. To the evaporator
5. Accumulator/dryer assembly with piping system.
6. Locking screw.
7. To the compressor.
8. Lower radiator hose.
11. Using the special tool, disconnect the battery inlet tube leading to the evaporator.
12. Loosen the screws of the holders and remove the battery.
13. Installation is carried out in the reverse order. To charge the system, contact a specialist.
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