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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 drop
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
Travel 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
Summary of Contents for TB 250
Page 1: ......
Page 3: ...1 1 SAFETY 1 Safety alert symbol 1 2 Safety precautions 1 3 Cautions when working 1 9...
Page 36: ...2 24 2 TIGHTENING TORQUE SERVICE DATA...
Page 38: ...2 26 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with options 2 2...
Page 39: ...2 27 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with angle blade and blade oat 1 2...
Page 40: ...2 28 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with angle blade and blade oat 2 2...
Page 41: ...2 29 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with high ow option 1 2...
Page 42: ...2 30 2 HYDRAULIC CIRCUIT DIAGRAM SERVICE DATA Equipped with high ow option 2 2...
Page 49: ......
Page 59: ...2 46 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 60: ...2 47 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 61: ...2 48 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 62: ...2 49 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 63: ...2 50 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 64: ...2 51 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 65: ...2 52 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 66: ...2 53 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 67: ...2 54 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 68: ...2 55 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 69: ...2 56 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 70: ...2 57 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 71: ...2 58 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 72: ...2 59 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 73: ...2 60 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA NAME STANDARD NO...
Page 74: ...2 61 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 75: ...2 62 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 76: ...2 63 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 77: ...2 64 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 78: ...2 65 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 79: ...2 66 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 80: ...2 67 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 81: ...2 68 2 WIRE HARNESS WIRING DIAGRAM SERVICE DATA...
Page 92: ...3 11 3 CONTROL VALVE FUNCTION...
Page 108: ...4 3 4 SERVICE STANDARDS DISASSEMBLY AND ASSEMBLY Clearance for pin and bushing...
Page 352: ...ENGINE 6 Machine model Mounted engine TB250 4TNV88...