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

20 Standard value table

Standard value table for chassis related parts

Cate-
Item
gory
At 1-pump relief
Boom control lever
Arm control lever
Bucket control lever
Swing control lever
Blade control lever
Travel control lever
Play of control lever
Boom control lever
Arm control lever
Bucket control lever
Swing control lever
Blade control lever
Travel control lever
Travel pedal
Unload pressure
Boom relief
Arm relief
Bucket relief
PC138US, USLC-8
Applicable model
Test conditions
• Hydraulic oil temperature:
• Engine oil pressure:
Within operating range
• Engine water temperature:
Within operating range
N o
• Center of
lever knob RAISE, LOWER
• Tip of pedal
N o IN, OUT
• Read max.
value to end
N o
of travel
CURL, DUMP
• Engine
stopped
N o
LEFT, RIGHT
N o
RAISE, LOWER
N o FORWARD,
REVERSE
(LEFT, RIGHT)
Work equipment,
swing
Travel
• Engine at high idle
• Oil temperature: 45 – 55°C
• Fit push-pull scale to center of
control lever knob to test
• Fit push-pull scale to tip of
control pedal to test
• Test max. value to end of travel
• Hydraulic oil temperature:
• Engine at high idle
• Working mode: P mode
• Hydraulic pump output pressure
with all control levers in
NEUTRAL position
• Hydraulic oil temperature:
• Engine at high idle
• Pump discharge pressure
• Relieve only circuit to be tested
Standard value for
Unit
45 – 55°C
rpm
mm
N
{kg}
45 – 55°C
MPa
{kg/cm 2 }
MPa
45 – 55°C
{kg/cm 2 }
Target
value
(Range)
PC138US-8
Service limit value
new machine
2,050 ± 100
100 ± 11
85 ± 11
100 ± 11
85 ± 11
53 ± 6 Min. 47 Max. 59
115 ± 12 Min. 103 Max. 127
3 – 5
10 ± 3
16.7 ± 3.3
{1.7 ± 0.3}
16.7 ± 3.3
{1.7 ± 0.3}
13.7 ± 2.7
{1.4 ± 0.3}
13.7 ± 2.7
{1.4 ± 0.3}
25.5 ± 6.9
{2.6 ± 0.7}
24.5 ± 5.9
{2.5 ± 0.6}
74.5 ± 18.6 Max. 107.6
{7.6 ± 1.9}
4.9 – 6.9
{50 – 70}
34.8 ± 1.0
{355 ± 10}
34.8 ± 1.0
{355 ± 10}
34.8 ± 1.0
{355 ± 10}
SEN02457-01
1
—
100 ± 21
85 ± 21
100 ± 21
85 ± 21
5 – 8
10 ± 5
Max. 25.5
{Max. 2.6}
Max. 25.5
{Max. 2.6}
Max. 22.6
{Max. 2.3}
Max. 22.6
{Max. 2.3}
Max. 32.4
{Max. 3.3}
Max. 39.2
{Max. 4.0}
{Max. 11}
4.9 – 6.9
{50 – 70}
+2.0
34.8
–1.0
+20
{355 }
–10
+2.0
34.8
–1.0
{355 +20 }
–10
+2.0
34.8
–1.0
+20
{355 }
–10
3