Table 5-1. TROUBLESHOOTING FOR DIRECT SUPPORT MAINTENANCE Continued
TEST OR INSPECTION
Wear thermal protective gloves and a face protector or safety
glasses in any situation where skin or eye contact is possible.
Prevent contact of refrigerant gas with flame or hot metal surfaces.
Heat causes the refrigerant to break down and form carbonyl
chloride (phosgene), a highly toxic and corrosive gas.
Yellow appearance of sight glass is caused by contamination in the
Check for yellow in sight glass after allowing compressor to run for at
least 1 hour.
Repeat corrective action in Step 1 above.
7. AIR CONDITIONER NOISY DURING OPERATION