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User's manual
Have a technical question?
If you have questions, or require technical
service, please contact our trained service
technicians at: 1-314-679-4200 ext. 4782
Monday – Friday 7:30 am to 4:15 pm CST
Visit our website at www.mityvac.com for
new products, catalogs, and instructions
for product use.
Need service parts?
To order replacement or service parts, visit
us online at www.mityvacparts.com or call
toll free 1-800-992-9898.
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Precautions
This equipment is designed for servicing a
variety of vehicles in a safe, convenient
manner. However, differences in cooling
systems may make it impossible to perform
some of the tests indicated in these instruc-
tions on every vehicle.
The procedures documented in this man-
ual are to serve as guidelines for the use of
this equipment. In addition to these guide-
lines, always follow the manufacturer's rec-
ommended procedures when servicing each
unique vehicle. Do not attempt to force a
test on a cooling system for which this
equipment is not designed to perform.
Performing cooling system tests using the
MV4533 is simple and straightforward if you
follow the instructions. However, always
keep in mind that you are working with a
system that may be full of cold or hot fluid
that is under pressure and just waiting to be
expelled.
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Service parts
Item
Description
1
Cooling system adapter
2
Vacuum pump assembly
3
Coolant hose assembly
4
Vacuum Gauge
1)
Not available as a service part.
*
Indicates change
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Always read carefully and understand
instructions prior to using this equipment.
Always wear eye protection when remov-
ing radiator or coolant bottle cap, or when
performing any cooling system test.
Always allow system to cool prior to
attempting to perform any cooling system
related test procedure.
NOTE
Some late-model vehicles are
equipped with radiator tanks and
expansion tanks made of plastic.
Excessive over-tightening of the expan-
sion plug could result in cracking of the
radiator or expansion tank. Use caution
when tightening expandable rubber
plug.
Always refer to the manufacturer's
instructions for the particular radiator
pressure tester that is being used.
1)
Part number
801957*
823485
MVA6172
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