Cat Rotary Track Drill 39HR Heavy Duty Air Conditioning Service Manual – PDF DOWNLOAD
CAT ROTARY TRACK DRILL 39HR HEAVY DUTY AIR CONDITIONING SERVICE MANUAL – PDF DOWNLOAD:
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Cat Rotary Track Drill 39HR Heavy Duty Air Conditioning Service Manual – PDF DOWNLOADCat Rotary Track Drill 39HR Heavy Duty Air Conditioning Service Manual – PDF DOWNLOAD
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Cat Rotary Track Drill 39HR Heavy Duty Air Conditioning Service Manual – PDF DOWNLOAD
Safety Precautions & Warnings :
1. Always wear the proper protective eyewear and clothing before working on any refrigeration system. Remember, refrigerant in the air conditioning system can reach pressures of over 500 PSI – if one of those lines bursts while you’re working on the system, it can cause serious injury. If refrigerant gets in your eye, it can freeze your eyeball, causing permanent damage or blindness.
2. Always wear work gloves whenever you’re working with condensers or evaporators. The aluminum edges are sharp, and can cause serious cuts.
3. Always stay clear of the belts and fan blade, and be careful revving the engine on a car with a flex fan – damaged blades have been known to come flying off without a moment’s warning.
4. Always use a DOT-approved tank for storing used and recycled refrigerants. Look for the Department of Transportation stamp: DOT 4BW or DOT 4BA.
5. Always provide plenty of ventilation when using any electrical testing, recycling or recovery equipment. Avoid breathing any refrigerant vapor, lubricant vapor or mist. Exposure to these (particularly PAG oil mist) may irritate your eyes, nose and throat.
6. Always follow the instructions for your recycling equipment; failure to follow those directions could end up causing personal injury or damaging your equipment. Never perform any maintenance or service on your recycling equipment while the unit is plugged in (unless directed to do so) or without first consulting with authorized service personnel. Removing internal fittings and filters can release pressurized refrigerant. Use care and always wear appropriate safety wear.
7. Never use compressed air to leak test or pressure test an R-134a system or R- 134a service equipment. Under certain conditions, pressurized mixtures of R- 134a and air can be combustible. Always follow the proper procedures to prevent any safety hazards. In addition, shop air injects moisture into the system, and a pressure surge could damage the evaporator.
8. Microprocessors and computers are susceptible to damage from electrostatic discharge. Always use a static strap when working with these components, and always take the necessary precautions to prevent damage to electronic components.
9. Most A/C service manuals indicate that R-12 turns into deadly phosgene gas when burned. Recent studies have shown that, while burning R-12 doesn’t change it into phosgene gas, it does break down into carbonyl fluoride (COF2), carbonyl chlorofluoride (COCIF) with traces of free chlorine (CI2). And, while breathing these byproducts isn’t as deadly as breathing phosgene gas, it still can be very harmful. In large enough concentrations, these byproducts can displace enough oxygen to cause asphyxiation.
10. To prevent cross contamination between refrigerants, verify that the A/C system has the correct label and unique service fittings designed for the refrigerant being used. If you’re ever in doubt, check the system with a refrigerant identifier.
TABLE OF CONTENTS:
Cat Rotary Track Drill 39HR Heavy Duty Air Conditioning Service Manual – PDF DOWNLOAD
Theory of Operation:
Heat Transfer
Change of State
Latent Heat
Boiling Temperature/Pressure Relationship
R12 vs R134a
Refrigerant Boiling Point/Pressure Relationship
Basic Air Conditioning System
PLEASE NOTE:
This is not a physical manual but a digital manual – meaning no physical copy will be couriered to you. The manual can be yours in the next 2 mins as once you make the payment, you will be directed to the download page IMMEDIATELY.
This is the same manual used by the dealers inorder to diagnose your vehicle of its faults.
Require some other service manual or have any queries: please WRITE to us at [email protected]
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