Komatsu ecot3 WA500-6 Shop Manual page 31

Standard service value table
Standard service value table for chassis
Item
Retraction of lift arm cylin-
der rod
Retraction of bucket cylin-
der rod
Clearance of bucket posi-
tioner proximity switch
Max. fan speed
Min. fan speed
Fan drive pressure
Fan reverse solenoid output
pressure
*1: Denotes the low idle speed when the engine speed was decreased to the minimum speed with the RPM
idle-up/down selector switch.
20-8
8
Machine model
Measurement conditions
• Hydraulic oil temperature: Within
operating range
• Stop engine and leave for 5 min-
utes, then measure for 15 min-
utes.
• Apply no load to bucket and set
lift arm and bucket in level posi-
tion.
a For measuring posture, see Fig.
K at end of this section
• Engine speed: High idle
• Engine coolant temperature:
Min. 95°C
• Hydraulic oil temperature: Min.
95°C
• Torque converter oil tempera-
ture: Min. 105°C
• Engine speed: Low idle (*1)
• Engine coolant temperature:
Max. 75°C
• Hydraulic oil temperature: Max.
75°C
• Torque converter oil tempera-
ture: Max. 85°C
• Air conditioner OFF
• Engine speed: High idle
• Engine coolant temperature:
Min. 95°C
• Hydraulic oil temperature: Min.
95°C
• Torque converter oil tempera-
ture: Min. 105°C
• Engine speed: High idle
• Engine coolant temperature:
Min. 95°C
• Hydraulic oil temperature: Min.
95°C
• Torque converter oil tempera-
ture: Min. 105°C
WA500-6
Standard value
Unit
for new machine
Max. 40
mm
Max. 20
mm 3 – 5
1,055 ± 50
rpm
170 ± 30
17.7 ± 2.5
{180 ± 25}
MPa
2
{kg/cm }
19.6 ± 2.5
{200 ± 25}
Service limit
value
Max. 40
Max. 20
—
1,055 ± 100
170 ± 50
17.7 ± 2.5
{180 ± 25}
19.6 ± 2.5
{200 ± 25}
WA500-6