EC55B Main control valve, travel straight forward and dipper arm 1 and boom 2. None 8278837-None NoneNone FOR CHINA Autodata Volvo online

Volvo EC55B None

S/N start	S/N end	Variant
30001	None	134015
50001	None	134015

912.310. Main control valve, travel straight forward and dipper arm 1 and boom 2. 8278837-None FOR CHINA `

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Parts on group Main control valve, travel straight forward and dipper arm 1 and boom 2.:

Pos.	Part No	Qty	Parts name	Comments
	SA14519806M	[1]	Valve_assy	SER NO 50001-50129
	SA14536846M	[1]	Valve_assy	SER NO 50130-
1.	SA7251-40102	[1]	Body
2.	VOE990677	[2]	O-ring
3.	VOE14519810	[1]	Spool
4.	SA7253-03021	[1]	Guide
5.	SA7253-03100	[1]	Spring
6.	VOE978129	[1]	O-ring
7.	SA7253-03041	[1]	Washer
8.	SA7253-03051	[1]	Bolt
9.	VOE14518320	[1]	Cap
10.	VOE14519874	[1]	Cap
11.	VOE955919	[4]	Spring washer
12.	SA9016-10605	[4]	Hex. socket screw
13.	VOE990549	[1]	O-ring
14.	VOE990557	[2]	O-ring
15.	SA9415-11041	[1]	Plug
16.	SA7253-03242	[1]	Cap
17.	VOE14522265	[1]	Filter
18.	VOE983502	[1]	O-ring
19.	VOE983495	[1]	O-ring
20.	SA9415-11012	[1]	Plug
21.	SA7253-03390	[1]	Stay
22.	SA9446-30400	[5]	Plug
	SA14519807M	[1]	Valve_assy	Arm 1
23.	SA7251-20642	[1]	Body
24.	VOE990677	[1]	O-ring
25.	VOE14518319	[1]	Spool
26.	SA7253-03021	[1]	Guide
27.	VOE14507529	[1]	Spring
28.	SA7253-03041	[1]	Washer
29.	VOE14515542	[1]	Bolt
30.	VOE978129	[2]	O-ring
31.	SA7253-03121	[1]	Cap
32.	SA7253-03150	[1]	Cap
33.	VOE955919	[4]	Spring washer
34.	SA9016-10605	[4]	Hex. socket screw
35.	VOE15173389	[2]	Relief valve
36.	SA7253-03180	[1]	Stay
37.	SA7253-03191	[1]	Spring
38.	SA7253-03200	[1]	Cap
39.	VOE990557	[1]	O-ring
40.	VOE14515541	[1]	Poppet
41.	SA7273-11420	[1]	Spring
	SA7250M21774	[1]	Valve_assy
42.	SA7251-20652	[1]	Body
43.	VOE990677	[1]	O-ring
44.	SA7252-01063	[1]	Spool
45.	SA7253-03021	[1]	Guide
46.	SA7253-03111	[1]	Spring
47.	SA7253-03041	[1]	Washer
48.	SA7253-03051	[1]	Bolt
49.	VOE978129	[2]	O-ring
50.	SA7253-03121	[1]	Cap
51.	SA7253-03150	[1]	Cap
52.	VOE955919	[4]	Spring washer
53.	SA9016-10605	[4]	Hex. socket screw
54.	VOE15173389	[1]	Relief valve
55.	SA7253-03211	[1]	Stay
56.	SA7253-03191	[1]	Spring
57.	SA7253-03200	[1]	Cap
58.	VOE990557	[1]	O-ring
59.	SA7253-03221	[1]	Spring
60.	SA7253-03231	[1]	Stay
61.	SA9415-11022	[1]	Plug
62.	VOE983502	[1]	O-ring
100.	VOE14504879	[1]	Sealing Kit