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Operation Manual

37837 / 37880 / 37881 / 37882 / 37887 / 37888 / 37889

3788X Series (includes 37837)

P/N 380539 RevF

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Summary of Contents for 3788 Series

Page 1: ...Operation Manual 37837 37880 37881 37882 37887 37888 37889 3788X Series includes 37837 P N 380539 RevF...

Page 2: ...Deliberate inhalation of refrigerants is ex tremely dangerous Death can occur without warning Vapors reduce oxygen available for breathing and are heavier than air De composition products are hazardo...

Page 3: ...por form is a potentially hazardous material Please consult the manufacturer s Material Safety Data Sheet for additional information and adhere to the following safety guidelines Avoid breathing high...

Page 4: ...Low Gauge 4 Auto High Side Hose Red 5 Auto Low Side Hose Blue 6 Tank Vapor Hose Red 7 Tank Liquid Hose Blue 8 Oil Drain Bottle 9 Oil Inject Bottle excluded on 37837 37887 and 37888 10 Tool Tray 11 Ma...

Page 5: ...Option 2 Vacuum is used to vacuum air moisture from a system previously opened to the atmosphere This Option will then proceed to recharge the A C system This Option also allows the technician to veri...

Page 6: ...system problem Ensure the automobile A C system is turned off prior to selecting a mode on the machine 3 Connect the high and low side auto service hoses to the respective high and low side ser vice...

Page 7: ...NTIES AND MY CAUSE DAMAGE TO OTH ER AUTOMOBILES THAT YOU SERVICE IN THE FU TURE RECOVER cont VACUUM The vacuum function of the 37880 SERIES is de signed to remove air moisture from the automobile A C...

Page 8: ...X 1 Verify the auto air conditioning system is off 2 Select CHARGE option from the main menu 3 When the LCD reads SET CHARGE AMOUNT set the amount of refrigerant to be charged into the A C system by u...

Page 9: ...he hold time will count down on the LCD and the unit will beep at the end of the hold time If vacuum hold time was set to zero the unit will transition into charge mode 11 Record the final vacuum leve...

Page 10: ...a hybrid A C system can cause serious issues with the electrical system Having too much of the wrong type of oil in a hybrid A C system can conduct the electricity to the outside of the A C compressor...

Page 11: ...follow the instructions on the screen and the unit will clear itself automatically Repeat the identification process to insure the proper identification of the refrigerant purity level If the unit fa...

Page 12: ...nged periodically to ensure the system is working properly A maintenance reminder prompts you when to change your filters All refrigerant must be removed from the old filters before they are removed F...

Page 13: ...d maintenance Check oil level when pump is running When pump is running oil level should be 1 2 to 5 8 up in the sight glass This level is necessary for proper operation This maintenance is best perfo...

Page 14: ...o a 120 Volt outlet Circuit breaker tripped on shop power panel Bad Main Power switch Loose wire Bad Transformer on microprocessor board Plug into outlet Reset circuit breaker If circuit breaker immed...

Page 15: ...SCALE CALIBRATION ERROR 6 TANK EMPTY REFRIGERANT BELOW 5 OF TANK CAPACITY REFILL TANK CHECK SCALE CALIBRATION ERROR 7 NOT ENOUGH REFRIGERANT UNIT IS LOW ON REFRIGERANT 10 LB MIN REFILL TANK ERROR 8 TA...

Page 16: ...ges Series 41 Manifold valves can be reconditioned using replacement seating cylinder 41133 There will be a reconditioning charge for manifolds returned to the factory for repair If found defective we...

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