{"model":"mk2","model_name":"MK2 Supra","vehicle":"Toyota Supra A60 (1982–1986, 5M-GE)","document":"Repair Manual","section":"AC","section_name":"Air Conditioning System","page":11,"pages_in_section":42,"title":"Refrigeration System Checking of Refrigerant Charge","section_header":"Air Conditioning System — Refrigeration System","ocr_text":"REFRIGERATION SYSTEM\nChecking of Refrigerant Charge\n\n1. RUN ENGINE AT FAST IDLE\n\n2. OPERATE AIR CONDITIONER AT MAXIMUM\nCOOLING FOR A FEW MINUTES\n\n3. CHECK AMOUNT OF REFRIGERANT\nObserve the sight glass on the receiver.\n\nItem | Symptom | Amount of refrigerant | Remedy\n\n1 | Bubbles present in sight glass | Insufficient | Check for leak with gas leak tester\n\n2 | No bubbles present in sight glass | None, sufficient or too much | Refer to items 3 and 4\n\n3 | No temperature difference between compressor inlet and outlet | System is empty or nearly empty | Evacuate and charge system. Then check for leak with gas leak tester\n\n4 | Temperature between compressor inlet and outlet is noticeably different | Proper or too much | Refer to items 5 and 6\n\n5 | Immediately after the air conditioner is turned off, refrigerant in sight glass stays clear | Too much | Discharge the excess refrigerant to specified amount\n\n6 | When the air conditioner is turned off, refrigerant foams and then stays clear | Proper | \n\nInstallation of Manifold Gauge Set\n\nNOTE: Fittings for attaching the manifold gauge set are located on the compressor service valves.\n\n1. CLOSE BOTH HAND VALVES OF MANIFOLD GAUGE\nSET\n\n2. INSTALL CHARGING HOSES OF GAUGE SET TO\nSERVICE VALVES\nConnect the low pressure hose to the suction service valve and the high pressure hose to the discharge service valve. Tighten the hose nuts by hand.\nNOTE: Do not apply compressor oil to the seat of the connection.","image":"https://tsrm.sasquatchvc.com/images/mk2/AC/AC_011.png","url":"https://tsrm.sasquatchvc.com/mk2/tsrm/AC/11","prev":{"page":10,"url":"https://tsrm.sasquatchvc.com/mk2/tsrm/AC/10","api":"https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/10"},"next":{"page":12,"url":"https://tsrm.sasquatchvc.com/mk2/tsrm/AC/12","api":"https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/12"},"section_url":"https://tsrm.sasquatchvc.com/mk2/tsrm/AC","section_api_pages":["https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/1","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/2","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/3","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/4","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/5","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/6","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/7","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/8","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/9","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/10","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/11","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/12","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/13","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/14","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/15","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/16","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/17","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/18","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/19","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/20","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/21","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/22","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/23","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/24","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/25","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/26","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/27","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/28","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/29","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/30","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/31","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/32","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/33","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/34","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/35","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/36","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/37","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/38","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/39","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/40","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/41","https://tsrm.sasquatchvc.com/api/pages/mk2/tsrm/AC/42"],"note":"OCR transcript of a scanned Toyota factory manual page; verify critical values (torque specs, part numbers) against the image."}