Liebherr l509 779 wheel loader service repair manual sn:9099

Page 26

Service Manual

Product Description Technical Data

Gear motor Description

Value Unit

Displacement

8 cm³

Maximum pressure

2.1.4

210 bar

Travel hydraulics Variable displacement pump

Valid for:

L506 - 776 / from 9099; L507 - 777 / from 9099; L508 - 778 / from 9099; ID 10023219

Description

Value Unit

Control type

DA

Maximum capacity

40 cm³

Flow rate at rated speed

109 l/min

Maximum swivel angle (both sides)

20 °

Speed (at rated speed)

2800 min-1

Power L506

37.5 kW

Power L507, L508

41.5 kW

Replenishing pump capacity

8.6 cm³

Replenishing pump flow rate (at rated speed)

22 l/min

Inlet restrictor diameter

1.8 mm

Swivel restrictor diameter

0.8 mm

Travel direction solenoid current consumption

2.5 A

Travel direction solenoid resistance

5 Ohm

Replenishing pressure at upper idle speed

31

Start of regulation

2300

Pressure relief and replenishing valves

min-1

10

bar

5

bar

31 kg

L509 - 779 / from 9099; L510 - 782 / from 9099;

Description

ID 5717294

Value Unit

Control type

DA

Maximum capacity

56 cm³

Flow rate at rated speed

154 l/min

Maximum swivel angle (both sides)

L506 - 776 / from 9099 L507 - 777 / from 9099 L508 - 778 / from 9099

±100

430

Weight Valid for:

min-1

460

Pressure cut-off

bar

±50

1100

Pump output at 400 bar

2

20 °

Speed (at rated speed)

2800 min-1

Power L508

41.5 kW

Power L509

48.5 kW

Power L510

52.2 kW

Replenishing pump capacity

11.6 cm³

Replenishing pump flow rate

29.5 l/min

L509 - 779 / from 9099 L510 - 782 / from 9099

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