Komatsu Galeo PC800-8 Shop Manual page 315

Hydraulic excavator
Table of Contents

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20 Standard value table
Cate-
Item
gory
Jet sensor output
negative pressure
PPC valve output
pressure
Oil pressure drop
Output voltage of differ-
ential pressure sensor
Pump EPC current
Overrun when stopping
swing
PC800, 850-8
Applicable model
Measurement conditions
• Hydraulic oil
All control
temperature:
levers at neutral
45 – 55°C
• Engine at high
Track running
idle
idle (Lever at
• Working
stroke end)
mode: P
• Hydraulic oil temperature:
45 – 55°C
• Engine at high idle
• Control lever at stroke end
• Hydraulic oil temperature:
45 – 55°C
• Difference between relief pres-
sure at high idle and that at low
idle
• Hydraulic oil
All control
temperature:
levers at neutral
45 – 55°C
• Engine: High
Travel under no
idle
load
• Working
(Lever full)
mode: P
• Hydraulic oil
All control
temperature:
levers at neutral
45 – 55°C
• Engine: High
Travel under no
idle
load
• Working
(Lever full)
mode: P
• Hydraulic oil temperature:
45 – 55°C
• Bucket: No load
• Engine at high idle
• Working mode: P
• Stop after swinging one turn
and measure distance that
swing circle moves
PC800, SE, LC-8
PC850, SE-8
Standard value for
Unit
new machine
Min. 1.14
{Min. 11.6}
Max. 0.15
{Max. 1.5}
MPa
+0.8
2.9
{kg/cm
2
}
–0.2
+8
{30
}
–2
Max. 2.0
{Max. 20}
Min. 2.54
V
Min. 1.33
265 ± 50
mA
575.5 ± 50
deg.
Max. 71
(mm)
(Max. 1,225)
SEN00784-02
Service limit value
Min. 1.14
{Min. 11.6}
Max. 0.15
{Max. 1.5}
+0.8
2.9
–0.2
+8
{30
}
–2
Max. 2.9
{Max. 30}
Min. 2.54
Min. 1.33
265 ± 50
575.5 ± 50
Max. 80
(Max. 1,380)
5

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