OPERATING INSTRUCTIONS
Contents
1. ning the knob of the shaft WARNING Make sure the shaft connection nut does not start to turn as you are turning the shaft This could cause the shaft connection nut to loosen and refrigerant would leak out 9 Continue rotating the shaft until you can not turn the shaft anymore DO NOT FORCE 10 Slowly loosen the locking nut from the shaft connection nut NOTE If the valve core is correctly removed the shaft will automatically travel outward due to the pressure in the system If it does not travel outward either there is no pressure in the system or the valve core was not removed 11 With the shaft pulled out all the way CLOSE THE VALVE A WARNING Failure to close valve could cause injury and would result in loss of refrigerant 12 Loosen and remove the shaft connection nut from the valve body 13 Remove the damaged valve core www mastercool com Valve Core Installation 1 Insert the new valve core onto the tip of the shaft 2 Tight the shaft connection nut to the valve body 3 Open the valve knob 4 Push the shaft forward and turn the shaft clockwise to insert the valve core NOTE One can use the locking nut to help insert the valve core 5 Once the valve core is in place pull the shaft back and turn the valve knob to the closed position 6 Remove the shaft from the valve body 7 SLOWLY open the valve knob to assure the valve core is in place If the valve is in place the pressure in the tool will dissipate q2. uickly If the valve core is not in place quickly close the valve and try again 8 Remove the adapter and valve body from the car Replacement Parts 58531 R134a Standard amp JRA M6 Kit 58490 001 Valve assembly 58490 002 R134a high side 16mm connector 58490 003 R134a low side 13mm connector 58490 377 Standard valve core shaft 58490 531 JRA R134a valve core shaft 58531 PB Plastic molded box 58560 R134a Eaton M8 amp M10 Kit 58490 001 58490 002 58490 003 58490 768 Eaton R134a low side valve core shaft 58490 769 Eaton R134a high side valve core shaft 58531 PB Plastic molded box 58490 377 58490 531 58490 002 58490 001 58490 768 High Side im Low Side 58490 769 58490 003 5 1 Aspen Drive Randolph NJ 07869 Mastercool For Warranty Service Toll free 1 888 825 6989 World Class Quality or email techs mastercool com www mastercool com 58531 INST
3. wa Mastercool MASTERCOOL World Class Quality OPERATING INSTRUCTIONS VALVE CORE REMOVER KIT 58531 58560 A 6 PLEASE USE CAUTION when removing valve cores from a pressurized system ALWAYS wear safety glasses and gloves a ties Adapter 1 of 5 Shaft Connection Nut Shaft Knob A DD TN TD d LL Valve Body Locking Nut Shaft 1 of 5 OPERATING INSTRUCTIONS 1 Select correct tool configuration for job a Select correct adapter High or Low side connector b Select correct shaft One may need to test the shaft in the car s service port to determine the correct size Valve Core Removal 2 Connect the correct adapter and shaft to the valve body Make sure all connections are tight Failure to do this can cause refrigerant leakage 3 Open the knob on the valve body so the shaft can go through the body 4 Connect the adapter to the service port of the car 5 Push the shaft toward the service port Slowly and carefully rotate the shaft until the tip of the shaft engages the body of the valve core NOTE If the shaft tip does not reach the valve core turn the locking nut counter clockwise back the shaft knob and try again 6 Once the valve core is engaged turn the locking nut clockwise and screw it on to the shaft connection nut 7 This will allow one to remove the valve core without the pressure within the system disengaging the shaft from the valve core 8 Rotate the shaft counter clockwise by tur
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