Komatsu PC500LC-10R Shop Manual page 600

Pm CLINIC SERVICE
Hydraulic circuit
Item
Hydraulic oil temperature: 45 to
•
55 °C
Fuel control dial: MAX (High
•
idle) position
Control cir-
Working mode: P (Power
•
cuit oil pres-
Mode)
sure
Swing lock switch: OFF
•
Auto-deceleration switch: OFF
•
All control levers and control
•
pedals in NEUTRAL position
Hydraulic oil temperature: 45 to
•
55 °C
Fuel control dial: MAX (High
•
Unload
idle) position
pressure
Working mode: P (Power
(pump outlet •
pressure)
Mode)
(*1)
Auto-deceleration switch: OFF
•
All control levers and control
•
pedals in NEUTRAL position
Hydraulic oil temperature: 45 to
•
55 °C
• Fuel control dial: MAX (High
idle) position
Working mode: P (Power
•
Mode)
Swing lock switch: OFF
•
Work equipment control lever:
•
Arm IN relief
Work equip-
(When one-touch power maximizing
ment (arm)
function is actuated)
relief pres-
Hydraulic oil temperature: 45 to
•
sure (*1)
55 °C
Fuel control dial: MAX (High
•
idle) position
• Working mode: P (Power
Mode)
Swing lock switch: OFF
•
Work equipment control lever:
•
Relieve the oil pressure in arm
IN circuit + One-touch power
maximizing is actuated
30-194
Machine model
Engine
Testing conditions
PC500LC-10R
SAA6D125E-5
Standard val-
Unit ue for new
machine
MPa 3.04 to 3.44
2
{ kg/cm } {31 to 33}
MPa
3.2 to 5.2
2
{32 to 52}
{ kg/cm }
33.62 to
36.27
{341 to 368}
MPa
2
{ kg/cm }
36.12 to
38.77
{368 to 395}
30 TESTING AND ADJUSTING
Meas-
Repair limit ured val-
ue
2.84 to 3.43
{29 to 35}
3.2 to 5.2
{32 to 52}
33.2 to 36.8
{338 to 375}
35.6 to 39.2
{363 to 400}
PC500LC-10R
No
Goo
goo
d
d