ZW370 FS 03-4
03 Measurement for Performance Check
Standard Measurement Values for Performance Check
Hydr
aulic
li
ne
Cylinder drift
(when boom and
bucket are
horizontal and with
no load)
(mm/min) (in/min)
Boom cylinder
3 (1/8) or less
Bucket cylinder
4 (5/32) or less
Boom rising time
(no load)
(sec)
Engine speed
Idling (LI)
23±3.0
1,500 min
-1
(rpm)
10.5±1.0
Maximum (HI)
6.7±0.5
Full steering time
(sec)
Engine speed
Idling (LI)
5.0±0.5
1,500 min
-1
(rpm)
2.4±0.3
Full accelerated engine speed
2.4±0.5
Relief valve setting
pressure
MPa (kgf/cm
2
) (psi)
Loading line main relief pressure (HI)
20.6±0.5 (210±5)
(2,986±71)
Loading line overload relief pressure (LI)
23.5±0.5 (240±5)
(3,413±71)
Run engine at lowest
possible speed while
setting
Steering line main relief pressure (HI)
20.6±0.5 (210±5)
(2,986±71)
Steering line overload relief pressure (LI)
24.5
+1.0
0
(250
+10
0
)
(3,555
+142
0
)
Run engine at lowest
possible speed while
setting
Pilot line reducing pressure (LI)
3.5 (36)
(512)
Run engine at lowest
possible speed while
setting
Fan maximum
revolution (HI)
min
-1
(rpm)
Engine water temp. <80ºC (180ºF)
T/C oil temp. <110ºC (230ºF)
Hydraulic oil temp. <90ºC (195ºF)
910
+75
- 200
Engine water temp. >95ºC (205ºF)
T/C oil temp. >115ºC (240ºF)
Hydraulic oil temp. >95ºC (205ºF)
1,300
+100
- 50
Fan minimum
revolution (LI)
min
-1
(rpm)
Engine water temp. <60ºC (140ºF)
Engine idle revolution
750
+50
- 200
Item
Standard measurement
values for performance check
Remarks
System
Measurement item
Normal
Fuel efficient
mode
