CONTROL SYSTEM
(4)Turn the throttle stop screw 4 in
direction
c
or
d
until the specified
engine idling speed is obtained.
EXHAUST GAS CONTROL
PROCEDURES
1. Install:
ī
Exhaust probe set
Installing steps:
(1)Remove the Apron.
(2)Remove the 8 mm bolt 1 and gasket.
(3)Install the exhaust gas probe 2.
(4)Connect the hose 3 between the
probe and the surge tank 4.
2. Preparation for measuring:
ī
Engine temperature
Warming up steps:
(1)Run the engine in neutral at the
specified speed for 15 minutes
a
.
(2)With shift in position rev the engine 3
times
b
.
(3)Keep in neutral again, the specified
speed for 1 minutes
c
.
Direction
c
Engine idling speed
increases.
Direction
d
Engine idling speed
decreases.
Exhaust gas probe:
NA/90890-03161
Surge tank set:
NA/90890-03162
Engine speed:
2,000 Ā± 200 r/min
Engine speed during the official
test: 1,000 Ā± 100 r/min
3-11
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