A I R C O N D I T I O N I N G S Y S T E M R E F R I G E R A N T ( R - 1 3 4 a ) M A I N T E N A N C E
This task covers:
a. Recovery b. Evacuating/Recycling
All except M915A2 and M916A1
Tools and Special Equipment:
Shop Equipment, SC 4910-95-CL-A31
Tool Kit, SC 5180-90-CL-N26
Gage, Oil Level, 99-431
Recovery and Recycling System, 34400
Cap and Plug Set
Appendix B, Item 7.1
Appendix B, Item 33
Appendix B, Item 43.1
Appendix B, Item 48.1
General Safety Instructions:
W A R N I N G
Use care to prevent refrigerant from
touching your skin or eyes, because
liquid refrigerant, when exposed to air,
quickly evaporates and will freeze skin
or eye tissue.
Serious injury or
blindness could result if you come in
contact with liquid refrigerant.
Refrigerant R-134a air conditioning
systems should not be pressure tested
or leak tested with compressed air.
Combustible mixtures of air and R-134a
explosion, which could cause personal
REMOVE THE CAPS FROM THE SUCTION AND DISCHARGE SERVICE VALVES. VALVES ARE
LOCATED AT THE FIREWALL ON THE PASSENGERS SIDE OF THE VEHICLE.
WEARING PROTECTIVE GOGGLES AND NON-LEATHER GLOVES, ATTACH THE
RECOVERY/RECYCLING STATIONS HOSES TO THE VALVES.
Push down firmly on the hose connectors until a clicking sound is heard. This will ensure
that the coupler is locked.
MAKE SURE THAT THE RECOVERY AND RECYCLING STATIONS VALVES ARE