Komatsu SDA6D140E-3 User Manual

TESTING AND ADJUSTING
STANDARD VALUE TABLE FOR TESTING,
ADJUSTING, AND TROUBLESHOOTING
12-2
140-3 SERIES
STANDARD VALUE TABLE FOR TESTING, ADJUSTING,
AND TROUBLESHOOTING
Engine SA6D140E-3
Machine model D155AX-5
Cate-
gory
Item Measurement conditions, etc. Unit
Standard value
for new machine
Service limit
value
Perfor-
mance
Engine speed
High idling
Low idling
rpm
rpm
2,100 ± 50
740
2,100 ± 50
740
Speed needed
to start
0º (without starting aid)
–20º (with starting aid)
rpm
rpm
Min. 110
Min. 85
—
—
Intake, exhaust system
Intake resistance
Intake air pressure
Exhaust pressure
Exhaust temperature
Whole speed range
At rated horsepower
At rated horsepower
Whole speed range (–20ºC)
kPa{mmH
2
O}
kPa{mmHg}
kPa{mmHg}
ºC
Max. 3.73
{Max. 380}
Min. 113
{Min. 850}
Min. 100
{Min. 750}
Max. 650
7.47
{762}
93
{700}
84
{630}
700
Exhaust gas color
At sudden acceleration
(low idling → high idling)
At rated horsepower
At high idling
Bosch index
Bosch index
Bosch index
Max. 5.0
Max. 1.0
Max. 1.0
7.0
2.5
2.0
Valve clearance
Intake valve
Exhaust valve
mm
mm
0.35
0.57
—
—
Engine
proper
Compression
pressure
Oil temperature: 40 – 60ºC
(engine speed: 200 – 250 rpm)
MPa{kg/cm
2
}
Min. 4.1 {42} 2.8{29}
Blow-by pressure
At rated horsepower
(water temperature : Min. 70ºC)
kPa{kg/cm
2
}
Max. 1.47 {150} 2.94{300}
Lubrication system
Oil pressure
(oil temperature :
Min. 80ºC)
At rated horsepower
SAE30 or SAE15W-40
SAE10W
At low idling
SAE30 or SAE15W-40
SAE10W
MPa{kg/cm
2
}
MPa{kg/cm
2
}
MPa{kg/cm
2
}
MPa{kg/cm
2
}
0.34 – 0.54
{3.5 – 5.5}
0.29 – 0.49
{3.0 – 5.0}
Min. 0.12
{Min. 1.2}
Min. 0.10
{Min. 1.0}
0.21
{2.1}
0.18
{1.8}
0.08
{0.8}
0.07
{0.7}
Oil temperature
Whole speed range
(inside oil pan)
ºC 90 – 110 120
Oil consumption
Fuel consumption ratio at
continuous rated horsepower
% Max. 0.3 0.6
Cooling system
Radiator pressure
valve function
Cracking pressure
(differential pressure)
kPa{kg/cm
2
}
——
Fan speed At rated speed rpm 1,295 ± 40 —
Fan belt tension
Deflection when pressed with fin-
ger force of approx. 98 kN {10 kg}
mm Auto tension —
Alternator belt
tension
Deflection when pressed with fin-
ger force of approx. 98 kN {10 kg}
mm 13 – 16 13 – 16
+25
0
+25
0

Komatsu SDA6D140E-3 Specifications

General

Brand	Komatsu
Model	SDA6D140E-3
Category	Engine
Language	English