II-19
SPECIFICATIONS
STANDARDS FOR JUDGING PERFORMANCE
STANDARDS FOR JUDGING PERFORMANCE
REFERENCE VALUE TABLE
Item Unit Standard Values Allowable Values
Engine Speed
Low min
-1
1130 ±70
±
High min
-1
2330 ±60
±
Hydraulic Oil Pressure
Travel MPa 34.3
+5.9
±
Lift Arm MPa
±±
Bucket MPa 20.6
+1.1
±
Charge Pressure
Low MPa 2.0 ±0.3
±
Hight MPa 2.4 ±0.2
±
Pilot Pressure MPa 3.2 ±0.5
±
Travel
Travel Speed (5 rev.)
Low Speed s 14.8 ±0.6 16.9
Hight Speed s 10.1 ±0.5 12.0
Travel Speed (10 m)
Low Speed s 6.4 ±0.5 7.5
Hight Speed s 4.4 ±0.4 5.4
Travel Curve mm 125
0
500
Natural Travel Drop
Engages Parking Brake mm 0
±
Releases Parking Brake mm
±±
Cylinders
Cylinder Speed
Arm Extended s 4.5 ±0.4 5.4
Retracted s 3.0 ±0.4 3.7
Bucket Extended s 3.2 ±0.4 3.9
Retracted s 2.5 ±0.4 3.2
Natural Cylinder Drop
Arm mm 8
0
16
Bucket mm 6
0
12
Bucket Tip mm 70
0
200
Levers
Lever Operating Force
Arm N 10 ±4
Bucket N 10 ±4
Travel N 10 ±4
Lever Play
Arm mm 4
0
Bucket mm 4
0
Travel mm 4
0
Track
Track Tension mm 175~195
±
Level of Front Edge of Bucket mm 10
0
±
0
-0.3
-125
-8
-6
-70
-4
-4
-4
-10