Komatsu PC500LC-10R Shop Manual page 393

20 STANDARD VALUE TABLE
Item
•
•
PC valve outlet
pressure (servo
piston inlet pres-
•
sure)
(PFC-PENF,
•
PRC-PENR)
•
•
•
PC-EPC valve
outlet pressure
•
(PMF, PMR)
•
•
•
•
LS differential
pressure
•
(PFC-PLSF,
•
PRC-PLSR)
•
•
•
LS valve outlet
pressure (servo
piston inlet pres-
•
sure)
(PFC-PENF,
•
PRC-PENR)
•
PC500LC-10R
Machine model
Engine
Measurement condition
Hydraulic oil tempera-
ture: 45 to 55 °C
Fuel control dial: MAX
(High idle) position
Working mode: P (Pow-
er Mode)
Swing lock switch: ON
Work equipment: Re-
lieve the oil pressure in
arm IN circuit
Hydraulic oil tempera-
ture: 45 to 55 °C
Working mode: P (Pow-
er Mode)
Swing lock switch: ON
All control levers and
control pedals in NEU-
TRAL position
Hydraulic oil tempera-
ture: 45 to 55 °C
Fuel control dial: MAX
(High idle) position
Working mode: P (Pow-
er Mode)
Travel speed: Hi
Travel operation: One-
side track idle off the
ground
LS differential pressure
= Pump discharge pres-
sure - LS pressure
Hydraulic oil tempera-
ture: 45 to 55 °C
Fuel control dial: MAX
(High idle) position
Working mode: P (Pow-
er Mode)
Travel speed: Hi
Travel operation: One-
side track idle off the
ground
STANDARD VALUE TABLE FOR MACHINE: PC500LC-10R
Unit
Front pump
discharged
pressure
Servo piston
inlet pressure
MPa
2
Rear pump { kg/cm
discharged
pressure
Servo piston
inlet pressure
Fuel control
dial: MIN
(Low idle) po-
sition
MPa
2
{ kg/cm
Fuel control
dial: MAX
(High idle)
position
All control
levers and
control ped-
als: NEU-
TRAL
MPa
2
{ kg/cm
Travel control
lever: Half
stroke
All control
levers and
control ped-
als: NEU-
TRAL
MPa
2
{ kg/cm
Travel control
lever: Half
stroke
PC500LC-10R
SAA6D125E-5
Standard value
for new machine
36.12 to 38.77
{368 to 395}
Above value x ap- Above value x ap-
prox. 0.6
}
36.12 to 38.77
{368 to 395}
Above value x ap- Above value x ap-
prox. 0.6
2.09 {21.3}
}
0.98 {10}
4.2±1.0
{42±10}
}
2.65±0.1
{27±1}
4.2±1.0
{42±10}
}
Pump discharge Pump discharge
pressure x ap-
prox. 0.6
Repair limit
35.6 to 39.2
{363 to 400}
prox. 0.6
35.6 to 39.2
{363 to 400}
prox. 0.6
2.09 {21.3}
0.98 {10}
4.2±1.0
{42±10}
2.65±0.1
{27±1}
4.2±1.0
{42±10}
pressure x ap-
prox. 0.6
20-17