OPA-102/101
OPERATION MANUAL
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7-3. Free(Snap) acceleration test (Inspection mode)
(1) After reaching peak revolution speed by burst acceleration of engine of the testing
vehicle in neutral gear (idling status), idle the engine for 2 seconds and maintain
the idling status for 5~6 seconds. Repeat this process three times.
(2) Install the probe of the tester more than 5mm away from the wall of exhaust pipe and
insert it around 5㎝ inside.
(3) Press [ACCEL] KEY, if you see “ACCEL” on the display. Press [SET] KEY .
(4) When you see the setting menu of acceptance limit of exhaust emissions, set the
limit by using [▲▼] KEY (changes by 5%) and press [SET] KEY, then you will see
“AC-1” on the display and four flashing LED’s.
(5) This shows it’s ready for the test. When you press [SET] KEY once more, you will
see one LED flashes, and hear the buzzer sound to start the test.
(From this time on, the peak point of exhaust emissions will be renewed.)
When you use [DISPLAY] KEY, you will see “K (m
-1
) → smoke density (%) → RPM → ℃”.
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