Measuring Exhaust Gas Color - Komatsu Galeo PC800-8 Shop Manual

SEN00786-02

Measuring exhaust gas color

a Measuring instrument of exhaust gas color
Symbol Part Number
1 799-201-9001
C
2 Purchased
k Be careful not to touch hot areas when mount-
ing and removing the measuring instrument.
a When air source or electric power supply is not
a v a i l ab l e i n f i e l d, u s e C 1 Ha n dy S m o k e
Checker, but use C2 Smoke Meter, when
recording official data.
a Measure exhaust gas color under the following
conditions:
• Engine coolant temperature: Within the op-
erating temperature range.
1. Measurement with C1, Handy Smoke Checker
1) Set a filter paper in the handy smoke
checker C1.
2) Insert the exhaust gas suction port in the
exhaust pipe (1).
3) Start the engine.
4) Operate the handle of the smoke checker
C1, and adhere exhaust gas to the filter
paper when accelerating the engine quickly
and at a high idle.
5) Remove the filter paper and compare the
color on the filter paper with the accessory
scale.
6) After the measurement, remove the meas-
uring instrument and return the engine to
the original state.
2. Measurement with Smoke Meter C2
1) Insert the probe [1] of the smoke meter C2,
in the outlet of the exhaust pipe (1) and fix it
to the exhaust pipe with clip.
8
Part Name
Handy smoke checker
Smoke meter
2) Connect the prove hose, the receptacle of
the accelerator switch and the air hose to
the smoke meter C2.
a The supply air pressure shall be less
than 1.5 MPa {15 kg/cm
3) Connect the power cord to an AC100V
receptacle.
a Before connecting the power cord, make
sure that the power switch of the smoke
meter is turned off.
4) Loosen the cap nut of the suction pump and
set a filter paper there.
a Set the filter paper accurately so that ex-
haust gas does not leak out.
5) Turn on the power switch of the smoke
meter C2.
6) Start the engine.
7) When accelerating the engine quickly and at
a high idle, step down the accelerator pedal
of the smoke meter C2, and collect exhaust
gas in the filter paper.
8) Place the filter paper contaminated with
exhaust gas on new filter papers (more than
10 sheets) in the filter paper holder and read
the indicated value.
9) After the measurement, remove the meas-
uring instrument and return the engine to
the original state.
30 Testing and adjusting
}
2
PC800, 850-8