Sơ đồ thủy lực máy xúc lât WA320

Sơ đồ thủy lực trên máy xúc lật KOMATSU WA320

STRUCTURE AND FUNCTION WORK EQUIPMENT HYDRAULICS SYSTEM DIAGRAM

FOR 2-SPOOL

1 Hydraulic tank

2 Oil filter

3 Breather

4 Hydraulic pump

5 Steering pump

6 Switch pump

7 PPC, brake pump

8 Priority valve

9 Priority valve

10 Steering valve (Orbit-roll) 10A Overload valve

11 2-way restrictor valve

12 Cushion valve

13 Steering cylinder

14 Filter

15 Accumulator charge valve 15A Safety relief valve

15B PPC relief valve

16 Accumulator

17 PPC valve

18 Oil cooler

19 Cut-off valve

20 Main control valve 20A Main relief valve 20B Bucket spool 20C Safety and suction valve 20D Boom spool

20E Suction valve

21 Boom cylinder

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