2-11
2
PERFORMANCE CRITERIA
SERVICE DATA
PERFORMANCE CRITERIA
Standard values table
Item Standard values Allowable value
Engine speed
Idling min
-1
1150 ±100 ––
Maximum R. P. M min
-1
2565 ±80 ––
Hydraulic oil pressure
Boom MPa 21.0
+1.3
––
Arm MPa 21.0
+1.3
––
Dozer blade MPa 19.6
+2.0
––
Slew MPa 19.1
+2.2
––
Pilot pressure MPa 3.4 ±0.3 ––
Cylinder speed
Boom cylinder
Retracted s 2.9 ±0.5 3.7
Extended s 3.0 ±0.5 3.8
Retracted s
Extended s
Arm cylinder
Retracted s 2.4 ±0.4 3.0
Extended s 3.2 ±0.4 3.9
Bucket cylinder
Retracted s 2.2 ±0.4 2.8
Extended s 3.1 ±0.4 3.8
Swing cylinder
Retracted s 4.8 ±0.8 6.1
Extended s 4.9 ±0.8 6.2
Retracted s
Extended s
Dozer blade cylinder
Retracted s 2.5 ±0.4 3.2
Extended s 2.7 ±0.4 3.4
Retracted s
Extended s
Slew time
Normal speed s 12.0 ±1.0 14.2
Slow speed s
Overrun when slewing stops mm 120 ±50 222
Natural slew dr
op
Slew bearing mm 0
Swing cylinder mm 5
0
Travel speed (10m)
Low speed
Rubber s
13.0 ±1.5/12.9 ±1.2*
15.8
Steel s 13.7 ±2.0 17.1
Hight speed
Rubber s 8.5 ±1.5/8.1 ±1.5* 11.2
Steel s 9.1 ±2.0/8.7 ±2.0* 12.4
T
ravel speed (5 rev.)
Low speed
Rubber s
34.0 ±1.5/33.7 ±1.5*
38.9
Steel s
36.5 ±2.0/36.2 ±2.0*
42.2
Hight speed
Rubber s
18.4 ±1.0/18.3 ±1.0*
22.0
Steel s
19.7 ±2.0/19.6 ±2.0*
24.5
Straight travel mm 125
0
500
Straight travel function
check
Bucket
Straightness
should be remained when
operated at the same time
Arm
Boom
Blade
Bucket cylinder speed Retracted s 5.2 ±1.0/5.0 ±1.0* 6.7
-0.4
-0.4
-0
-0
-5
-125
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