Volvo EC480D L EC480DL Excavator Service Manual – PDF Download

Page 1844

Service Information Document Title: Hydraulic standard

Function Group: diagram, 990

Information Type: Service Information

Date: 2014/7/15

Profile: EXC, EC480D L [GB]

Hydraulic diagram, standard 1 Main pump

22 Solenoid valve (5 serial)

2 Gear pump (servo and cooling)

23 Remote control valve (lever) - left

3 Main control valve

24 Remote control valve (lever) - right

4 Boom cylinder

25 Remote control valve (pedal)

5 Arm cylinder

26 Shuttle valve block

6 Bucket cylinder

27 Flow control valve

7 Slew motor

28 Check valve (1.5 kgf/cm2)

8 Slew drive unit

29 Check valve (3.0kgf/cm2)

9 Slew gearbox

30 Hydraulic oil cooler

10 Pinion

31 Return oil filter

11 Slew ring gear

32 Bypass valve

13 Track motor

33 Bypass strainer

14 Track gearbox

34 Air breather

15 Center passage

35 Strainer assembly

16 Fan motor

36 Drain oil filter

17 Proportional relief valve

37 Hydraulic oil tank

18 Servo hydraulic oil filter

38 Pressure switch

19 Accumulator block

39 Drain block

20 Accumulator

40 Servo hydraulic block

21 Measuring nipple

98 Orifice connector


Turn static files into dynamic content formats.

Create a flipbook
Issuu converts static files into: digital portfolios, online yearbooks, online catalogs, digital photo albums and more. Sign up and create your flipbook.