Liebherr a 934 c litronic hydraulic excavator service repair manual sn31793 and up

Page 132

Technical dataA 934 C HD LI Log Loader

Service Manual

Type 1053 Hydraulic system Swing pump / design

Axial piston swash plate pump with attached replenishing pump

Pump performance

KW

80 (108 Hp)

Max. flow

l/min.

148

Replenishing pump flow

l/min.

41

Replenishing pressure

bar

16+2

Hydraulic pump / pilot pressure

Type

gear pump

Max.flow / pilot control

l/min.

45,5

Pressure limitation pilot control

bar

32+1

Pilot valves / attachment / swing circuit

Type

4TH 87 X 70-10

Pilot valve / travel circuit

Type

VG - 7 - 1 / 1

Pilot valve / outrigger

Typ

VG - 5 - 2

further specifications

see group 6.11

Hydraulic pump / fan drive

Type

A 10 VO 28 ED

Max. flow

l/min.

62

Hydraulic motor / fan

Type

A 10 FE 28

Hydraulic pump / opional installation

Type

gear pump

Max. flow

l/min.

24,7

Rotary connection 7-way

Type

DDF 720

Rotary connection 6-way

Type

815.006 B

Hydraulic cylinder

refer to group 7.30

Electrical system Operating voltage

V

24

Battery - capacity

Ah

2 x 170 ( in series )

Alternator voltage / current

A

28V / 80

Starter motor

KW

24V / 6,6

Gearbox

Type

SAT 275 / 255

Oil motor

Type

FMF 64

Swing speed max.

rpm

8,2

Oil quantity in gear box

l

7,0

Swing gear

Oil quality / -viscosity and oil change interval

refer to group 1.50 and 3.83

Swing brake

Typw

wet disk brake (negativ)

Opening pressure max.

bar

20

Further specifications

refer to group 9.10

Axles Oscillating axle

Type

LT 81 PL 488 NLB

Rigid Axle

Type

LT 81 PL 488 NLB

Oil quantity in axle housing of oscillating axle

l

39

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