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CHK
CONTROL SYSTEM
ADJ
2
3
1
4
a
2,000
1,000
r/min
5
10
15
5
c
b b
20 min
EXHAUST GAS CONTROL
PROCEDURES
1. Installation:
•
Exhaust probe set
Setting steps
(1) Remove the 8 mm bolts
washers.
(2) Install the exhaust gas probe
(3) Connect the 3 hoses
probes and the surge tank
(4) Connect the gas analyzer hose
the surge tank.
2. Preparations for measuring:
•
Engine temperature
Warming up steps
(1) Run the engine in neutral at the speci-
fied speed for 15 minutes
Engine speed
2,000±200 r/min.
(2) With shift in position rev the engine 3
b
times
.
(3) Keep, in neutral again, the specified
speed for 1 minute
Engine speed during the official
test
1,000±100 r/min.
(4) Stop the engine and check the engine
oil temperature.
(5) Keep the engine running or let it cool
down until the specified temperature is
obtained.
Engine oil temperature
60±10 °C (140±50 °F)
NOTE:
• The periodical exhaust gas test should
be done without the top cowling.
• Shift in neutral during exhaust gas test.
• Calibrate the gas analyzer before mea-
surement.
3-7
E
1
and their
2
.
3
between the
4
.
5
to
a
.
c
.
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