Table of Contents
Advertisement
Item
Low idle (*1)
Main relief
pressure
Torque converter inlet oil pres-
sure
Torque converter outlet port oil
pressure
Lubrication
oil pressure
ECMV output (clutch) oil pres-
sure
Steering relief pressure
Orbit-roll basic pressure
LS pressure
Charge cut-in pressure
Charge cut-out 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.
WA500-6
Machine model
Measurement conditions
High idle
• Torque converter oil tempera-
ture: Within operating range
• Engine speed: High idle
High idle
• Torque converter oil
temperature: Within
operating range
• Engine speed: Hi idle
• Manual switch: ON
• Hydraulic oil temperature: Within
operating range
• Engine speed: High idle
• Hydraulic oil temperature: Within
operating range
• Engine speed: High idle
• Steering wheel operation
• Hydraulic oil temperature: Within
operating range
• Engine speed: Low idle
• Steering wheel: Stopped
• Engine
speed: Low
idle (*1)
• Hydraulic oil
temperature:
Within operat-
ing range
5
Standard service value table for chassis
Unit
1st
MPa
{kg/cm
2
2nd
3rd
4th
Lockup
Forward
Reverse
MPa
2
{kg/cm
• Point where
brake oil pres-
sure warning
lamp goes out
MPa
• Point where oil
2
{kg/cm
pressure is
going up and
then starts to
go down
Standard service value table
WA500-6
Standard value
Service limit
for new machine
value
3.34 ± 0.15
3.34 ± 0.15
{34 ± 1.5}
{34 ± 1.5}
3.64 ± 0.15
3.64 ± 0.15
{37.1 ± 1.5}
{37.1 ± 1.5}
0.64 ± 0.2
0.64 ± 0.2
{6.5 ± 2}
{6.5 ± 2}
0.39 ± 0.1
0.39 ± 0.1
{4.0 ± 1.0}
{4.0 ± 1.0}
0.175 ± 0.075
0.175 ± 0.075
{1.75 ± 0.75}
{1.75 ± 0.75}
3.24 ± 0.2
3.24 ± 0.2
{33 ± 2}
{33 ± 2}
}
3.28 ± 0.2
3.28 ± 0.2
{33.5 ± 2}
{33.5 ± 2}
3.28 ± 0.2
3.28 ± 0.2
{33.5 ± 2}
{33.5 ± 2}
3.19 ± 0.2
3.19 ± 0.2
{32.5 ± 2}
{32.5 ± 2}
1.86 ± 0.15
1.86 ± 0.15
{19 ± 1.5}
{19 ± 1.5}
3.38 ± 0.2
3.38 ± 0.2
{34.5 ± 2}
{34.5 ± 2}
3.34 ± 0.2
3.34 ± 0.2
{34 ± 2}
{34 ± 2}
24.5
24.5
(+1.18/–0.49)
(+1.18/–1.47)
{250 (+12/–5)}
{250 (+12/–15)}
3.72 (+0.2/0)
3.72 (+0.2/–0.2)
{38 (+2/0)}
{38 (+2/–2)}
}
1.27 ± 0.1
1.27 ± 0.2
{13.0 ± 1}
{13.0 ± 2}
5.88
5.88 (+0.49/0)
(+0.98/–0.49)
{60 (+5/0)}
{60 (+10/–5)}
}
9.8 (+0.98/0)
(+1.47/–0.49)
{100 (+10/0)}
{100 (+15/–5)}
9.8
20-5
Advertisement
Table of Contents
