Komatsu PC88MR-10 Shop Manual page 332

20 Standard value tables
Standard value table for machine
Item
PC valve output pressure
(servo piston inlet
pressure)
PC-EPC valve source
pressure
PC-EPC solenoid output
pressure
Solenoid valve outlet
pressure
20-8
Machine model
Measurement condition
Hydraulic oil
Pump
temperature: 45 to
discharge
55 °C
pressure
Engine: High idle
Power mode (P)
Servo
Work equipment
piston inlet
control: Arm IN
pressure
relief
Hydraulic oil temperature: 45 to
55°C
Engine: High idle
All control levers in NEUTRAL
Hydraulic oil
temperature: 45 to High idle
55 °C
Power mode (P)
Low idle
All control levers in
NEUTRAL
Hydraulic oil
temperature: 45 to
High idle
55 °C
Power mode (P)
Arm IN relief
Hydraulic oil
temperature: 45 to
Solenoid:
55 °C
OFF
Engine: High idle
For ON/OFF
conditions of the
solenoid, see
Solenoid:
Testing and
ON
adjusting, "Testing
outlet pressure of
solenoid valve".
PC88MR-10
Standard value
Unit
for new machine
26.5 ± 0.98
{270 ± 10}
MPa
{kg/
cm 2 }
Above value x
approximately
0.25
MPa
3.2 ± 0.5
{kg/
{33 ± 5}
cm 2 }
Approx. 1.06
{10.8}
Approx. 2.21
MPa
{22.6}
{kg/
cm 2 }
Approx. 0.47
{4.8}
0
{0}
MPa
{kg/
cm }
2
3.14 ± 0.5
{32 ± 5}
Repair limit
26.5 ± 1.47
{270 ± 15}
-
3.2 ± 0.5
{33 ± 5}
-
{-}
-
{-}
-
{-}
0
{0}
3.14 ± 0.5
{32 ± 5}
PC88MR-10