Technician Safety Information

Handling Precautions for Refrigerant





1. Do not handle refrigerant in an enclosed area or near an open flame.

2. Always wear eye protection.





3. Be careful that liquid refrigerant does not get in your eyes or on your skin. If liquid refrigerant gets in your eyes or on your skin;
a. Wash the area with lots of cool water.

CAUTION: Do not rub your eyes or skin.

b. Apply clean petroleum jelly to the skin.
c. Go immediately to a physician or hospital for professional treatment.

CAUTION: Do not attempt to treat yourself.

Handling Precautions for Refrigerant Container

1. Never heat container or expose it to naked flame.
2. Be careful not to drop container and not to apply physical shocks to it.

Handling Precautions for Gas-Cylinder Type Gas Leak Tester




1. Before using tester make sure that there are no flammable substances nearby.
2. Be careful not to in hale poisonous gas. If refrigerant gas comes in contact with flame, poisonous gas is produced. During leak tests, do not in hale any gas.

Precautions When Replacing Parts in Refrigerant Line.





1. Recover refrigerant in system before removing parts. Using a recovery machine, recover refrigerant in system before removing the parts.

CAUTION: Do not release refrigerant to atmosphere.





2. Insert a plug immediately in the disconnected parts to prevent the entry of moisture and dust.
3. Do not remove plug from new parts until immediately before installation.
4. Do not use burner for bending or lengthening operations on tube. If the tubes are heated with a burner, a layer of oxidation forms inside the tube, causing the same kind of trouble as an accumulation of dust.





5. Discharge gas in new compressor from charging valve before installing it. If the gas in new compressor is not discharged first, compressor oil will spray out with gas when the plug is removed.





6. Securely tighten the connecting parts to prevent leaking of refrigerant gas.

- Apply a few drops of compressor oil to 0-ring fittings for easy tightening and to prevent leaking of refrigerant gas.

- Tighten the nuts using two wrenches to avoid twisting the tube.

- Tighten the 0-ring fittings or the bolted type fittings to the specified torque.

Precautions When Charging Refrigerant





1. Do not operate compressor without enough refrigerant in refrigerant cycle. If there is not enough refrigerant in the refrigerant cycle, oil lubrication will be insufficient and compressor burnout may occur, so take care to avoid this.





2. Do not open high pressure valve of manifold gauge with compressor operating. If the high pressure valve is opened, refrigerant flows in the reverse direction and could cause the charging cylinder to rupture, so open and close the low pressure valve only.
3. Be careful not to overcharge with refrigerant in system. If refrigerant is overcharged, it causes trouble such as insufficient cooling, poor fuel economy, engine overheating etc.

ELECTRICAL PARTS

Before removing and inspecting the electrical parts, set the ignition switch to the LOCK position and disconnect the negative (-) terminal cable from the battery.

CAUTION: Work must not be started until after at least 20 seconds or longer from the time the negative (-) terminal cable is disconnected.

SRS AIR BAG SYSTEM

Failure to carry out service operations in the correct sequence could cause the airbag system to deploy, possibly leading to a serious accident.

When removal or installation of the parts and the yellow wire harness and connector for the airbag is necessary, refer to the precautionary notices in the Air Bags and Seat Belts section before performing the operation.