Doosan DISD SD 310 - Disassembly and Assembly Steps

Reference Number
Description
Reference Number
Description
1
Cover
18
Check valve
2
Boom Valve spool
19
Cover
3
Valve body
20
Name Plate
4
Check valve
21
Spool joint
5
Cover

O-Ring 50x3.1
6
Spring seat

O-Ring 20x2.4
7
Spring

O-Ring 60x3.1
8
Spring

Gasket2
9
Spring gasket

Bolt M12x20
10
Cover board

Bolt M10x100
11
Bucket valve spool

Gasket10
12
Cover

Gasket12
13
Spring

Bolt M12x30
14
Make up valve

O-Ring 45x3.1
15
Overload valve

Bolt M10x45
16
Relief valve

O-Ring 44x3.5
17
Spring

Rivet 2x4
Disassembly and assembly steps
When repairing the entire valve, put multi-way valve at a flat and clean place, clean all parts after
disassembly and then assemble.
1. Dismantle and assemble overload valve and
relief valve, do not loosen locknut when
dismantling, put wrench at cartridge valve,
marksigns on high and low pressure overload
valve. Check sealing ring of cartridge valve;
assemble again when it is confirmed well.
Main Control Valve SPC000014
Page 5
Figure 3