Disassembly And Assembly Steps - Doosan DISD SD 310 Shop Manual

Reference Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17

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
Description
Cover
Boom Valve spool
Valve body
Check valve
Cover
Spring seat
Spring
Spring
Spring gasket
Cover board
Bucket valve spool
Cover
Spring
Make up valve
Overload valve
Relief valve
Spring
Reference Number
18
19
20
21
①
②
③
④
⑤
⑥
⑦
⑧
⑨
⑩
⑾
⑿
⒀
Figure 3
Description
Check valve
Cover
Name Plate
Spool joint
O-Ring 50x3.1
O-Ring 20x2.4
O-Ring 60x3.1
Gasket2
Bolt M12x20
Bolt
M10x100
Gasket10
Gasket12
Bolt M12x30
O-Ring 45x3.1
Bolt M10x45
O-Ring 44x3.5
Rivet 2x4
SPC000014
Page 5