AC Charge - Revision history

Bpopp: /* Pulling Vacuum */

2023-03-27T18:18:27Z

Pulling Vacuum

← Older revision		Revision as of 18:18, 27 March 2023
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	# Vacuum Down System for 30 minutes		# Vacuum Down System for 30 minutes
	# Turn off Vacuum Pump and wait 30 minutes		# Turn off Vacuum Pump and wait 30 minutes
	# Verify that gauges are still showing near -30 inches of mercury		# Verify that gauges are still showing near -30 inches of mercury and that pressure does not increase
	# If not, check for leaks. If so, run vacuum pump for 45m to 1hr longer		# If not, check for leaks. If so, run vacuum pump for 45m to 1hr longer
	# Close both Hi/Lo valves, turn off pump, and disconnect yellow line		# Close both Hi/Lo valves, turn off pump, and disconnect yellow line

Bpopp: /* Pulling Vacuum */

2023-03-27T18:18:13Z

Pulling Vacuum

← Older revision		Revision as of 18:18, 27 March 2023
Line 8:		Line 8:
	# Open Both Hi/Low Valves and Both Should Go Near -30 inches of mercury		# Open Both Hi/Low Valves and Both Should Go Near -30 inches of mercury
	# Vacuum Down System for 30 minutes		# Vacuum Down System for 30 minutes
	# Turn off Vacuum Pump and wait 30 minutes ~~to 1 hour~~		# Turn off Vacuum Pump and wait 30 minutes
	# Verify that gauges are still showing near -30 inches of mercury		# Verify that gauges are still showing near -30 inches of mercury
	# If not, check for leaks. If so, run vacuum pump for 45m to 1hr longer		# If not, check for leaks. If so, run vacuum pump for 45m to 1hr longer

Bpopp: /* Pulling Vacuum */

2023-03-27T18:17:27Z

Pulling Vacuum

← Older revision		Revision as of 18:17, 27 March 2023
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	== Pulling Vacuum ==		== Pulling Vacuum ==

	# Close ~~all~~ Valves and ~~Connect~~ Hi/Lo ~~Gauges~~		Because the system isn't charged, valves aren't overly important, but it's a good idea to follow the procedure anyway just as a best practice.

			# Close HI/LOW Valves on both the gauges and the lines and then connect Hi/Lo lines to the car
			# Open the HI/LOW valves on the lines (NOT the gauges)
	# Connect Yellow Line to Vacuum Pump and Turn On		# Connect Yellow Line to Vacuum Pump and Turn On
	# Open Both Hi/Low Valves and Both Should Go Near -30 inches of mercury		# Open Both Hi/Low Valves and Both Should Go Near -30 inches of mercury

Bpopp: /* Adding Freon */

2023-03-27T18:15:04Z

Adding Freon

← Older revision		Revision as of 18:15, 27 March 2023
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	# Purge the yellow line of any air until freon comes out		# Purge the yellow line of any air until freon comes out
	# Slowly open the LOW side valve to restart the charging. Do not open all at once or it could slug the compressor.		# Slowly open the LOW side valve to restart the charging. Do not open all at once or it could slug the compressor.
	# Once the can is empty or the car is at the proper charge, close both valves and disconnect them from the HI/LOW sides		# Once the can is empty or the car is at the proper charge, close both valves on the guages
			# Close both HI/LOW valves on the line connectors and disconnect them from the HI/LOW sides of the car
	# Close the refrigerant can valve completely, and disconnect the yellow line		# Close the refrigerant can valve completely, and disconnect the yellow line

Bpopp: Created page with "== Pulling Vacuum == # Close all Valves and Connect Hi/Lo Gauges # Connect Yellow Line to Vacuum Pump and Turn On # Open Both Hi/Low Valves and Both Should Go Near -30 inches..."

2023-03-27T18:14:07Z

Created page with "== Pulling Vacuum == # Close all Valves and Connect Hi/Lo Gauges # Connect Yellow Line to Vacuum Pump and Turn On # Open Both Hi/Low Valves and Both Should Go Near -30 inches..."

New page

== Pulling Vacuum ==

# Close all Valves and Connect Hi/Lo Gauges
# Connect Yellow Line to Vacuum Pump and Turn On
# Open Both Hi/Low Valves and Both Should Go Near -30 inches of mercury
# Vacuum Down System for 30 minutes
# Turn off Vacuum Pump and wait 30 minutes to 1 hour
# Verify that gauges are still showing near -30 inches of mercury
# If not, check for leaks. If so, run vacuum pump for 45m to 1hr longer
# Close both Hi/Lo valves, turn off pump, and disconnect yellow line

== Adding Freon ==

# Connect adapter to 134a freon can
# If needed, add dye and oil to yellow line
# Connect yellow line to freon can and pierce the can and open the valve
# Purge yellow line until freon comes out
# Start the car, turn AC on, and turn fan to low
# Open only the LOW side valve. Low side pressure should increase to 50+ psi
# Listen for the compressor to engage. If it does, the pressure should immediately drop to around 10psi and the high side pressure should increase
# Shake can periodically and notice if refrigerant is still moving through watch glass. Wait until can is empty.
# Close the LOW side valve completely and close the refrigerant adapter valve
# Add the second can, pierce it, and open the valve
# Purge the yellow line of any air until freon comes out
# Slowly open the LOW side valve to restart the charging. Do not open all at once or it could slug the compressor.
# Once the can is empty or the car is at the proper charge, close both valves and disconnect them from the HI/LOW sides
# Close the refrigerant can valve completely, and disconnect the yellow line