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| Operating Instructions |
SMT500 Leak Detector
SP01501467 | REV A | 4.2021
Bosch Automotive Service Solutions Inc
Setup
FILL/ADD VAPOR PRODUCING FLUID
1.
Remove fluid fill dipstick.
2.
Pour vapor producing fluid into fluid fill port
until fluid level is near top of the fill line on
the dipstick.
3.
Replace fluid fill dipstick
Do not overfill.
Notes:
•
First time fill requires approx. 2 oz (60 ml).
•
Check fluid level every 75–100 tests.
•
Never use dyes, solvents, or other contaminants
in intake or exhaust systems. They may coat and/
or harm critical sensors and catalysts.
•
Fill fluid to maximum fill line on dipstick.
CONNECT TO POWER
This machine runs on a fully-charged 12-volt
battery.
1. Connect red lead (+) to battery’s positive
terminal.
2. Connect black lead (-) to chassis ground.
Do not connect to battery charger.
Power indicator light:
Solid green
light
Machine has adequate
power
Flashing
green light
Improper power; supplied
voltage is too high or too
low
No light
No power. See
Troubleshooting
Testing for Leaks
TESTING WITH SMOKE
1. Connect vapor output hose to system that
is to be tested. See Diagnostics section for
more detail.
2. Push vapor test button to begin a 5-minute
vapor cycle
Vapor indicator light:
Solid red
light
Vapor is being generated
Flashing
red light
See Troubleshooting
No light
No vapor is being
generated
3. Turn Flow Control Knob counter-clockwise
to release smoke / pressure
Note: Flow meter indicates flow and measures
leak size.
4. Use provided Halogen Inspection Light to
locate leaks
5. Perform repair(s) as needed
TESTING WITH AIR-ONLY
1. Connect vapor output hose to system that
is to be tested. See Diagnostics section for
more detail.
2. Push air-only test button to begin a 5-minute
vapor cycle.
Air-only indicator light:
Solid blue
light
Machine has adequate
power
3.
Turn flow control knob counter-clockwise to
release pressure.
Note: Flow meter indicates flow and measures
leak.
