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20 Standard value table
Standard value table for chassis related parts
Cate-
Item
gory
2 pumps at relief
At 2-pump relief +
power max.
Speed when auto-
deceleration is oper-
ated
Boom control valve
Arm control valve
Bucket control valve
Swing control valve
Travel control valve
Boom control lever
Arm control lever
Bucket control lever
Swing control lever
Travel control lever
Play of control lever
Boom control lever
Arm control lever
Bucket control lever
Swing control lever
Travel control lever
Travel control pedal
PC300, 350-8
Applicable model
Measurement condition
• Engine coolant temperature: Within
operating range
• Hydraulic oil temperature: Within
operating range
• Engine at high idle
• Arm IN relief condition
• Engine coolant temperature: Within
operating range
• Hydraulic oil temperature: Within
operating range
• Engine at high idle
• Arm IN relief + Power max. switch ON
• Engine at high idle
• Auto-deceleration switch in ON condition
• All control levers in NEUTRAL condition
• Engine stopped
• For measuring point, see Control valve.
• Engine stopped
• Control lever grip at center
• Max. reading up to stroke end (except
lever play in NEUTRAL position)
• Hydraulic oil temperature: Within
operating range
• Engine at high idle
• Control lever grip at center
• Pedal at tip
• Max. reading up to stroke end
PC300, 300LC-8
PC350, 350LC-8
Standard value
Unit
for new machine
rpm
2,030 ± 100
rpm
1,930 ± 100
rpm
1,400 ± 100
mm
9.5 ± 0.5
85 ± 10
85 ± 10
85 ± 10
mm
85 ± 10
115 ± 12
Max. 10
N
15.7 ± 3.9
{kg}
{1.6 ± 0.4}
N
15.7 ± 3.9
{kg}
{1.6 ± 0.4}
N
12.7 ± 2.9
{kg}
{1.3 ± 0.3}
N
12.7 ± 2.9
{kg}
{1.3 ± 0.3}
N
24.5 ± 5.9
{kg}
{2.5 ± 0.6}
N
74.5 ± 18.6
{kg}
{7.6 ± 1.9}
SEN02624-03
1
Judgement
criteria
2,030 ± 100
1,930 ± 100
1,400 ± 100
9.5 ± 0.5
85 ± 10
85 ± 10
85 ± 10
85 ± 10
115 ± 12
Max. 15
Max. 24.5
{Max. 2.5}
Max. 24.5
{Max. 2.5}
Max. 21.6
{Max. 2.2}
Max. 21.6
{Max. 2.2}
Max. 39.2
{Max. 4.0}
Max. 107.6
{Max. 11}
3
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Troubleshooting
