Testing For Leaks - Bosch SMT500 Operating Instructions Manual

en | 6 | Operating Instructions | SMT500 Leak Detector
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 Machine has adequate
light power
Improper power; supplied
Flashing
voltage is too high or too
green light
low
No power. See
No light
Troubleshooting
SP01501467 | REV A | 4.2021

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
Vapor is being generated
light
Flashing
See Troubleshooting
red light
No vapor is being
No light
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 Machine has adequate
light power
3. Turn flow control knob counter-clockwise to
release pressure.
Note: Flow meter indicates flow and measures
leak.
Bosch Automotive Service Solutions Inc