Volvo L30B L35B WHEEL LOADER OPERATORS MANUAL – PDF DOWNLOAD

Page 149

Specifications

Hydraulic system, specifications

Hydraulic system, specifications Hydraulic system specifications L30B Hydraulic pump

Double gear pump (pump 1)

Flow rate

55 l/min (14.5 US gal/min)

at engine speed

2300 rpm

Pressure relief setting

23 MPa (230 bar) (3335 psi)

Tipping cylinder

1 double acting tipping cylinder

Lift cylinder

2 double acting lift cylinders

Secondary pressure relief valves (shock) Lifting cylinder (piston area)

32 MPa (320 bar) (4060 psi)

Tipping cylinder (piston rod and piston end)

28 MPa (280 bar) (4640 psi)

Special hydraulics

20 MPa (200 bar) (2900 psi)

Loading times: Lifting time (under load)

6.5 sec.

Lowering time (empty)

3.5 sec.

Tipping time

1.5 sec.

Hydraulic system specifications L35B Hydraulic pump

Gear pump

Flow rate

73 l/min (19.2 US gal/min)

at engine speed

2600 rpm

Pressure relief setting

25 MPa (250 bar) (3625 psi)

Tipping cylinder

1 double acting tipping cylinder

Lift cylinder

2 double acting lift cylinders

Secondary pressure relief valves (shock) Lifting cylinder (piston area)

32 MPa (320 bar) (4060 psi)

Tipping cylinder (piston rod and piston end)

28 MPa (280 bar) (4640 psi)

Machine series 189 Tipping cylinder (piston rod)

15 MPa (150 bar) (2175 psi)

Special hydraulics

20 MPa (200 bar) (2900 psi)

Loading time machines series: 186, 187, 188 Lifting time (under load)

5.5 sec.

Lowering time (empty)

3.5 sec.

Tipping time

1.2 sec.

Loading time machines series: 189 Lifting time (under load)

6.5 sec.

Lowering time (empty)

4.0 sec.

Tipping time

2.0 sec.

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