Standard Value Table For Engine Related Parts - Komatsu Galeo PC138US-8 Shop Manual

SEN02457-01

Standard value table for engine related parts

Cate-
Item
gory
Engine speed
Exhaust gas color
Valve clearance
Compression
pressure
Blow-by pressure
Oil pressure
(Hydraulic oil
temperature:
Min. 80°C)
Oil temperature
Fan belt tension
Air conditioner
compressor belt
tension
2
Applicable model
Engine
Test conditions
High idle
• Coolant
Low idle
temperature:
operating range
Rated
speed
At sudden
• Coolant
acceleration
temperature:
operating range
At high idle
Intake valve
• Normal
temperature
Exhaust
valve
• Oil temperature: 40 – 60°C
• Engine speed: 320 – 360 rpm
• SAE0W30E0S
• Coolant temperature: operating
range
• Arm IN relief
SAE30 Oil
• At sudden
acceleration
SAE10W Oil
SAE30 Oil
• Low idle
SAE10W Oil
• Whole speed range
(inside oil pan)
• Between fan pulley and
alternator pulley
• Deflection when pressed with
finger force of approx.
60 N {6.1 kg}
• Between fan pulley and
compressor pulley
• Deflection when pressed with
finger force of approx.
60 N {6.1 kg}
Standard value for
Unit
new machine
rpm 2,300 ± 60
rpm 1,100 ± 50
rpm 2,200
% Max. 30
% Max. 10
mm 0.35
mm 0.50
MPa Min. 2.9
{kg/cm 2 } {Min. 30}
kPa Max. 0.59
{mmH O} {Max. 60}
2
0.34 – 0.59
{3.5 – 6.0}
0.29 – 0.49
{3.0 – 5.0}
MPa
2
{kg/cm }
Min. 0.18
{Min. 1.8}
Min. 0.15
{Min. 1.5}
°C 80 – 115
mm 6 – 10
mm 12 – 15
20 Standard value table
PC138US-8
SAA4D95LE-5
Service limit value
—
—
—
30
20
—
—
2.0
{20}
0.98
{100}
0.25
{2.5}
0.2
{2.1}
0.15
{1.5}
0.13
{1.3}
120
—
12 – 15
PC138US, USLC-8
1