Master cool 43707 Manuale utente
1
43707 COMBUSTION GAS LEAK TESTER KIT
2
1
3
6
4
5
ITEM PART# DESCRIPTION
1. 43709 Combustion Leak Tester Fluid
2. 43025-R Rubber Bulb
3. 43025-TC Test Chamber
4. 43025-2OR Set of O-Rings for 43025-TC
5. 43025-RC Rubber Cone for 43025-TC
6. 43707-PB Plastic Box
WARNINGS
• Wear safety goggles, gloves and protective clothing.
• Use in a well-ventilated area.
• DO NOT OPEN A HOT COOLANT SYSTEM. Hot coolant systems are pressurized and can cause serious personal
injuries. Follow the vehicle manufacturers instruction to open a coolant system.
• Keep yourself, clothing and tools clear of all moving parts.
• Read and follow the instructions contained on this document prior to using the tool.
INSTRUCTIONS
Step #1 PREPARE THE VEHICLE THAT IS TO BE TESTED
• Drain some of the antifreeze out of the radiator until the water level is approximately 1-1/2 inches below the fill neck
of the radiator.
• NOTE: ANTI-FREEZE SHOULD NOT BE ALLOWED INTO THE LEAK TEST TOOL. If this happens, stop the test when the
coolant reaches the red line (LEVEL) in the lower chamber. Clean the tool and retest.
• NOTE: This step is necessary to provide a void in
the top of the radiator for CO2 to accumulate.
Step #2 PREPARE THE TOOL FOR TESTING
• Remove the cap from the top of the test
chamber.
• Pour the test fluid into the top chamber to the
line marked, “CO2 leak detector.”
• NOTE: Keep the bottle of test fluid capped to
reduce the risk of contamination
• Install the cap onto the top test chamber.
• Attach the rubber bulb pump to the cap on the
top of the test chamber.
Step #3 TEST THE VEHICLE (fig. 1)
• Start the car.
• Insert the test chamber into the radiator fill neck
until the rubber cone makes a seal with the fig. 1
2
radiator.
• Squeeze the rubber bulb pump several times to
draw the vapors from the radiator into the test
chamber.
• When the test is complete, remove the test
chamber from the radiator and turn the vehicle
off.
Step #4 CHECK THE RESULTS (fig. 2)
• If the test fluid turns yellow, then CO2 is leaking
into the coolant system.
• If the test fluid remains blue, then CO2 is not
leaking into the coolant system.
• NOTE: The presence of CO2 in the cooling
system does not guarantee that the problem is
solely a leaking head gasket. Other failures like,
but not limited to a warped or cracked cylinder
head could cause a positive leak test.
• This tool identifies the presence of CO2, not the
cause. It is the end users responsibility to determine the cause of the presence of CO2 in the coolant system.
Step #5 CLEAN THE TOOL
• Pour the test fluid into a suitable container.
• NOTE: Do not pour the test fluid into the original container. Contamination will occur.
• NOTE: Check with your local government or recycling center on how to dispose of the test fluid. (Bromothymol Blue)
• Disassemble the tool and flush with clean water only. Allow the parts to air dry.
• NOTE: Do not use compressed air, paper or cloth towels. Contamination may occur.
• When the parts have dried. Reassemble the tool and put it back in the plastic box that it was purchased with.
OPTIONAL
These products can also be used with Mastercool tool kits, 43300, 43301, 43302, 43305, 43306.
43708
RADIATOR COOLING TEST CAP ADAPTER
WITH VENT
43710
COMBUSTION GAS LEAK TESTER KIT WITH TEST
CAP ADAPTER
fig. 2
3
INSTRUCTIONS FOR USE WITH RADIATOR
COOLING TEST CAP ADAPTER WITH VENT
Step #1 PREPARE THE VEHICLE THAT IS TO BE
TESTED
• Drain some of the antifreeze out of the radiator
until the water level is approximately 1-1/2
inches below the fill neck of the radiator.
• NOTE: ANTI-FREEZE SHOULD NOT BE
ALLOWED INTO THE LEAK TEST TOOL. If this
happens, stop the test when the coolant reaches
the red line (LEVEL) in the lower chamber.
Clean the tool and retest.
• NOTE: This step is necessary to provide a void in
the top of the radiator for CO2 to accumulate.
Step #2 PREPARE THE TOOL FOR TESTING (fig. 3)
• Remove the rubber cone from the bottom of the
test chamber.
• Install the brass “T” (43708) to the bottom of the
test chamber. Loosen the nut on the top of the
brass “T”. Insert the test chamber into the brass
“T” and tighten the nut. Close the valve on the
side of the brass “T”.
• Select a test cap and attach it to the quick
coupler at the bottom of the brass “T”.
• Remove the cap from the top of the test
chamber.
• Pour the test fluid into the test chamber to the
line marked, “CO2 leak detector.”
• NOTE: Keep the bottle of test fluid capped to
reduce the risk of contamination
• Install the cap onto the top of the test chamber.
• Attach the rubber bulb pump to the cap on the
top of the test chamber.
Step #3 TEST THE VEHICLE (fig. 4)
• Attach the test chamber to the radiator fill neck.
• Start the car.
• Squeeze the rubber bulb pump several times to
draw the vapors from the radiator into the test
chamber.
• When the test is complete. Turn off the vehicle.
Open the valve on the side of the brass “T” to
release any pressure that accumulated during
the test. Remove the test chamber from the
radiator.
Step #4 CHECK THE RESULTS (fig. 5)
• If the test fluid turns yellow, then CO2 is
leaking into the coolant system.
• If the test fluid remains blue, then CO2 is not
leaking into the coolant system.
• NOTE: The presence of CO2 in the cooling
system does not guarantee that the problem
is solely a leaking head gasket. Other failures
like, but not limited to a warped or cracked
fig. 3
fig. 4
fig. 5
443707-INST
cylinder head could cause a positive leak test.
• This tool identifies the presence of CO2, not the cause. It is the end users responsibility to determine the cause of
the presence of CO2 in the coolant system.
Step #5 CLEAN THE TOOL
• Pour the test fluid into a suitable container.
• NOTE: Do not pour the test fluid into the original container. Contamination will occur.
• NOTE: Check with your local government or recycling center on how to dispose of the test fluid. (Bromothymol Blue)
• Disassemble the tool and flush with clean water only. Allow the parts to air dry.
• NOTE: Do not use compressed air, paper or cloth towels. Contamination may occur.
• When the parts have dried. Reassemble the tool and put it back in the plastic box that it was purchased with.
WARNING: This product can expose you to chemicals including Di (2-ethylhexyl) phthalate, lead and lead compounds, which are known
to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
www.P65Warnings.ca.gov
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