Pages 20–24 (5 pages)

General Information on Refrigeration Service

From the 1956 Pontiac Air Conditioning Manual

Safe handling of Freon-12 drums and first aid for eye and skin contact, precautions with tubes and flared fittings, and practices that keep moisture, air and dirt out of the system. It explains the J-5725 gauge set and its low and high pressure gauges, and how to assemble, light, clean and use the J-6084 torch leak detector and liquid leak detector solution.

Read this section free, starting at page 20

What this section covers

  • Freon-12 properties and handling precautions
  • Tubes and flared fittings
  • Maintaining chemical stability
  • Gauge set use and purging
  • J-6084 leak detector
  • Liquid leak detector
Year
1956
Make
Pontiac
Vehicle
Components and Systems, Heating and Air Conditioning, Passenger Cars
Type
Service Manual
Models
1956 Pontiac passenger cars with factory air conditioning (Frigidaire five-cylinder compressor)
Publication
S-5604AC
Pages
50

What’s inside

Air conditioning shop manual

  1. Description and Operating Instructionspp. 1–4
  2. Principles of Operationpp. 5–19
  3. General Information on Refrigeration Servicepp. 20–24
  4. Inspection, Periodic Service and Adjustments on CarNew car pre-delivery and 2000-mile inspections, periodic filter cleaning and condenser checks, and on-car adjustments of the compressor belt, air valve and thermostat control cables, clutch and relay control switch and thermostatic expansion valve.pp. 25–27
  5. Minor Services and Repairs: MechanicalRepairs that do not open the refrigeration system: control panel, control assembly and cables, blower switch, nozzles, air inlet and filter, blower, air distributor and thermostat, and moving the compressor to service the engine. Pages are in reverse order in this scan.pp. 28–30
  6. Minor Services and Repairs: Refrigerationpp. 31–43
  7. Testing and Diagnosispp. 44–48
  8. Specifications and Special ToolsSpecifications that differ on air-conditioned cars (compressor, belts, Freon capacity, generator, regulator, torques) and the list of J-numbered special tools for servicing the system.pp. 49–50

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