Kubota u17 3α micro excavator service repair manual

Page 84

WSM U17-3α/U17-3/U17 Service

No

II. MACHINE BODY

Specifications Items

13 10 Item 7 to blade

12 Item 8 to blade Swivel, swing performance Swivel torque

2

L

R

2 3 4

1 1 1

Swivel capable angle at slope Swivel block performance L/R Swivel slippage (Flat ground, no L / R load)

5 6

1 1

Swivel start-up speed Swivel torque, max.

7

1 2 1

Swing speed

2

Reciprocating motion

8

Q7 1 1

Left / Right

Left Right Swivel R&L

Swing Lock L/R

Hydraulic performance Relief pressure setting

Swing

kgf·m kN·m ft·lbs kgf·m kN·m ft·lbs deg. deg. deg. deg. sec. kgf·m N·m ft·lbs sec. sec. mm inch mm inch

P1, P2

kgf/cm2 MPa bar psi

2

P3

3

P4

kgf/cm2 MPa bar psi kgf/cm2 MPa bar psi

2

1

Swivel brake relief pressure

3

1

Suction negative pressure

4

1

Boom relief pressure

U17-3α (EU) / U17/U17-3 (PP)

Remarks

mm inch mm inch mm inch

11 Item 8 to sprocket center

Q6 1 1

Unit

255, 217< 2.5, 2.1< 1844, 1569< 255, 217< 2.5, 2.1< 1844, 1569< 18 < 30 >

Arm extend, slow/quick

Bucket load = JIS heaped x 1.8 90 deg swivel

2.1 ± 0.2 255 2.5 1844 4.6 ± 0.3 3.7 ± 0.3 6 > 0.24 >

0 ~ 90 deg swivel

90 deg-swivel, 100 times actual digging cylinder dislocation 90 deg-swivel, 100 times

At pump delivery port

kgf/cm2 MPa bar psi kgf/cm2 MPa bar psi

At pump delivery port

kgf/cm2 MPa bar psi

At +50°C

II-S-20

At -10°C

50 ± 5°C


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