140-3 SERIES
12-9
TESTING AND ADJUSTING MEASURING EXHAUST TEMPERATURE
MEASURING INTAKE AIR PRESSURE (BOOST PRESSURE)
MEASURING INTAKE AIR
PRESSURE
(BOOST PRESSURE)
When installing or removing the measuring
equipment, be careful not to touch high-temper-
ature parts.
1.
Remove air intake pressure measurement plug
(1).
2.
Fit nipple of pressure test kit
A
, then connect
to the pressure test kit.
3.
Start the engine and measure the intake air pres-
sure when the engine is running at rated horse-
power.
★ When measuring with the engine mounted
on the machine, measure according to the
conditions given in the shop manual for the
machine.
4.
After completing the measurement, remove the
measurement equipment and set to the original
condition.
MEASURING EXHAUST
TEMPERATURE
Wait for the exhaust manifold temperature to go
down before removing or installing the measur-
ing equipment.
1.
Remove exhaust temperature measurement
plug (1).
2.
Fit sensor of digital temperature gauge
B
,
then connect to the digital temperature gauge.
3.
Start the engine and measure the exhaust tem-
perature when the engine is running at rated
horsepower.
★ When measuring with the engine mounted
on the machine, measure according to the
conditions given in the shop manual for the
machine.
4.
After completing the measurement, remove the
measurement equipment and set to the original
condition.