| Operation Principle |

Inspection 1. After disconnecting the vapor hose from the PCV valve, remove the PCV valve. 2. Reconnect the PCV valve to the vapor hose.
Removal 1. Disconnect the vapor hose (A). 2. Remove the PCV valve (B). Inspection 1.
Oil Specification 1. The HFC-134a system requires synthetic (PAG) compressor oil whereas the R-12 system requires mineral compressor oil. The two oils must never be mixed. 2. Compressor (PAG) oil varies according to compressor model.
Removal Precautions for using the plastic pulley • Be careful not to place the pulley to downwards of the floor or table.