Welding System User Manual

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OPERATION
Preparation
Before operation, check the Vacuum Pump oil level. Do this by looking through 1.
the opening on the lower right side of the back panel. You will be able to see the
vacuum pump oil reservoir. The level must be between the MIN and MAX mark-
ings. If the oil level is low, open the back of the machine, remove the cap of the oil
reservoir and ll to the MAX line with good quality compressor oil. Replace the oil
cap and back of machine before beginning operation. DO NOT OPERATE THIS
MACHINE WITHOUT ADEQUATE OIL IN THE VACUUM PUMP, SEVERE DAM-
AGE WILL RESULT.
WARNING: The A/C (air conditioning) system is under high pressure. Do not loosen 2.
any hose ttings or remove any components until after the system has been com-
pletely discharged and depressurized. Removal or loosening of a component while
the system is under pressure can cause severe personal and property damage or
injury.
Checking the Vehicle A/C System
Check the vehicle compressor drive belt. If it is worn or cracked, it should be re-1.
placed before any other service is performed.
Check the vehicle system hoses. Look for cracks, bubbles, hard spots and dete-2.
rioration. Inspect all hoses and ttings for leaks and refrigerant seepage. If there
is any evidence of wear, replace the damaged parts before performing any other
service.
Note: Use of a leak detector kit (not included) is recommended.
Inspect the compressor ns for debris that may be impeding heat dispersion of the 3.
compressor. Clean between the ns with a tool or compressed air.
Attaching the Recovery / Recharge Machine
Operate the vehicle A/C system on “High” for a few minutes to pressurize the sys-1.
tem. Turn the vehicle OFF. WARNING: Opening the HP valve while the vehicle
is running with the A/C system on can cause the refrigerant tank to break or
explode.
Close the LP and HP valves on the Control Panel of the machine.2.
WARNING: Check vehicle service manual to identify with certainty the correct system
connections.
Connect the High Pressure hose to the high pressure connector of the machine and 3.
high pressure connector of the vehicle A/C system, and the Low Pressure hose to
REV 09h