Komatsu PC210-8, Shop Manual, Page: 357 / 1200

20 Standard value table UEN00227-01
PC210, 230, 240-8
5
Applicable model PC210, 210LC, 210NLC, 230NHD-8
Cate-
gory
Item Measurement condition Unit
Standard value for new
machine
Judgement criteria
Operating for
ce of
contr
ol
levers
and
pedal
Boom control lever
• Hydraulic oil temperature: Within
operating range
• Engine at high idle
• Control lever grip at centre
• Pedal at tip
• Max. reading up to stroke end
N
{kg}
15.7 ± 3.9
{1.6 ± 0.4}
Max. 24.5
{Max. 2.5}
Arm control lever
N
{kg}
15.7 ± 3.9
{1.6 ± 0.4}
Max. 24.5
{Max. 2.5}
Bucket control lever
N
{kg}
12.7 ± 2.9
{1.3 ± 0.3}
Max. 21.6
{Max. 2.2}
Swing control lever
N
{kg}
12.7 ± 2.9
{1.3 ± 0.3}
Max. 21.6
{Max. 2.2}
Travel control lever
N
{kg}
24.5 ± 5.9
{2.5 ± 0.6}
Max. 39.2
{Max. 4.0}
Travel control pedal
N
{kg}
74.5 ± 18.6
{7.6 ± 1.9}
Max. 107.6
{Max. 11}
H
ydr
aulic pressure
Unload pressure
• Hydraulic oil temperature: Within
operating range
• Engine at high idle
• Working mode: P mode
• Hydraulic pump output pressure
with all control levers in NEUTRAL
position
MPa
{kg/cm
2
}
3.5 ± 1.0
{36 ± 10}
3.5 ± 1.0
{36 ± 10}
Boom relief • Hydraulic oil
temperature: Within
operating range
• Engine at high idle
• Working mode: P
mode
• Hydraulic pump
output pressure with
all measurement
circuits relieved
Normal relief
MPa
{kg/cm 2 }
34.8 ± 1.0
{355 ± 10}
33.3 – 36.8
{340 – 375}
Power max.
MPa
{kg/cm
2
}
37.3 ± 1.0
{380 ± 10}
36.3 – 39.2
{370 – 400}
Arm relief
Normal relief
MPa
{kg/cm
2 }
34.8 ± 1.0
{355 ± 10}
33.3 – 36.8
{340 – 375}
Power max.
MPa
{kg/cm 2 }
37.3 ± 1.0
{380 ± 10}
36.3 – 39.2
{370 – 400}
Bucket relief
Normal relief
MPa
{kg/cm 2 }
34.8 ± 1.0
{355 ± 10}
33.3 – 36.8
{340 – 375}
Power max.
MPa
{kg/cm
2
}
37.3 ± 1.0
{380 ± 10}
36.3 – 39.2
{370 – 400}
Swing relief
• Hydraulic oil temperature: Within
operating range
• Engine at high idle
• Working mode: P mode
• Hydraulic pump output pressure
with all measurement circuits
relieved
MPa
{kg/cm 2 }
30.3 ± 1.5
{310 ± 15}
28.4 – 32.3
{290 – 330}
Travel relief
MPa
{kg/cm
2
}
38.7(+1.0/–2.0)
{395(+10/–20)}
36.8 – 40.2
{375 – 410}
Control circuit source
pressure
• Hydraulic oil temperature: Within
operating range
• Engine running at high idle
• Self pressure reducing valve output
pressure with all control levers in
NEUTRAL position
MPa
{kg/cm 2 }
3.23(+0.2/–0.3)
{33(+2/–3)}
2.75 – 3.43
{28 – 35}
LS differential
pressure
• Hydraulic oil
temperature: Within
operating range
• Engine at high idle
• Working mode: P
mode
• Travelling speed: Hi
• Run either track with
no load
• Hydraulic oil pump
pressure – LS
pressure
When all
control levers
in NEUTRAL
position
MPa
{kg/cm
2
}
3.5 ± 1.0
{36 ± 10}
3.5 ± 1.0
{36 ± 10}
When
travelling at
half stroke
MPa
{kg/cm
2
}
1.8 ± 0.1
{18 ± 1}
1.8 ± 0.1
{18 ± 1}