Danfoss ECO 80 Service guide
Service and Parts Manual
Directional Valve Group
ECO 80
www.danfoss.com
Service and Parts Manual
Directional Valve Group ECO 80
Revision history |
Table of revisions |
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December 2019 |
First edition |
0101 |
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2 | © Danfoss | December 2019 |
AX327462277301en-000101 |
Service and Parts Manual |
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Directional Valve Group ECO 80 |
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Contents |
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Function |
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Safety.................................................................................................................................................................................................... |
4 |
Sectional view.................................................................................................................................................................................... |
5 |
Installation |
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Identification and oil flow direction for standard assembled ECO 80 LS..................................................................... |
6 |
Installation and plug orientation................................................................................................................................................ |
7 |
Connections pump side and max flow setting...................................................................................................................... |
8 |
Installation of lever........................................................................................................................................................................... |
9 |
Main spool assembly installation............................................................................................................................................. |
10 |
Service parts |
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EVP, pump side module............................................................................................................................................................... |
11 |
EVPX, electrical LS unloading valve......................................................................................................................................... |
13 |
EVB, basic module.......................................................................................................................................................................... |
14 |
PVLP shock and PVLA suction valves...................................................................................................................................... |
16 |
EVO, end plate................................................................................................................................................................................. |
18 |
EVBS spools...................................................................................................................................................................................... |
19 |
EVM, mechanical actuation........................................................................................................................................................ |
21 |
EVC, cover for mechanical actuation...................................................................................................................................... |
22 |
EVOS, open spool through action............................................................................................................................................ |
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EVOS, open spool mechanical actuation............................................................................................................................... |
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EVME, spring center/detent....................................................................................................................................................... |
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EVME through action.................................................................................................................................................................... |
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EVME, micro switch NO................................................................................................................................................................ |
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EVH, hydraulic actuation............................................................................................................................................................. |
27 |
EVHC, proportional electrical control..................................................................................................................................... |
28 |
EVHCO, ON/OFF.............................................................................................................................................................................. |
29 |
EVPN, pneumatic actuator.......................................................................................................................................................... |
30 |
EVPN, electrical pneumatic actuator....................................................................................................................................... |
31 |
EVT, assembly kit............................................................................................................................................................................ |
32 |
Set of seals........................................................................................................................................................................................ |
33 |
© Danfoss | December 2019 |
AX327462277301en-000101 | 3 |
Service and Parts Manual
Directional Valve Group ECO 80
Function
Safety
It is the customer's responsibility to decide on the required degree of safety for the system. All marks and all types of directional control and proportional valves can fail and cause serious damage. It is therefore important to analyze all aspects of the application. Proportional valves are used in many different operating conditions and applications; therefore the manufacturer of the application is responsible for making the final selection of the products and assuring that all performance, safety and warning requirements of the application are met.
Cost-free repairs, as mentioned in Danfoss General Conditions of Sale, are carried out only at Danfoss or at service shops authorized by Danfoss.
4 | © Danfoss | December 2019 |
AX327462277301en-000101 |
Service and Parts Manual
Directional Valve Group ECO 80
Function
ECO 80 LS sectional view
1 |
Workstation EVB |
8 |
Unloader spool |
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2 |
Spool EVBS |
9 |
Unloader spool spring |
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3 |
Check valve |
10 |
LS Shuttle |
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4 |
Spring center EVME |
11 |
Load sensing |
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5 |
Actuator EVOS |
12 |
Shock valve |
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6 |
Pump Inlet EVP |
13 |
Spring center (EH) EVM |
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7 |
Load sense relief |
14 |
Electric Actuator |
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© Danfoss | December 2019 |
AX327462277301en-000101 | 5 |
Service and Parts Manual
Directional Valve Group ECO 80
Installation
Identification and oil flow direction for standard assembled ECO 80 LS
EVPN
EVPN Electro pneumatic
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B |
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B |
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ECO |
EVS |
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C EVM |
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XXX |
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XXX |
XXX |
EVP
EVB |
EVB |
Medium Body |
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Low Body |
EVHCO
EVHC
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EVH |
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EVC |
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A |
B |
B |
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A |
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A |
B |
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ECO |
EVS |
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C |
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XXX |
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EVOS |
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XXX |
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XXX |
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XXX |
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EVP
EVB
Low Body
EVB
Medium Body
C: Label with ECO 80 number, week and year of installation and series number.
6 | © Danfoss | December 2019 |
AX327462277301en-000101 |
Service and Parts Manual
Directional Valve Group ECO 80
Installation
ECO 80 installation and plug orientation
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L |
| <![if ! IE]> <![endif]>*210[8.27] |
<![if ! IE]> <![endif]>27].*210[8 |
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4x M8x1.25 |
EVP: Max. 40 Nm |
EVO: Max. 20 Nm |
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<![if ! IE]> <![endif]>86].98[3 |
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<![if ! IE]> <![endif]>*120[4.7] |
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<![if ! IE]> <![endif]>7].*120[4 |
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In particularly exposed applications, protection in the form of |
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screening of the electrical actuator is recommended |
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No. of EVB |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
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L |
mm |
65 |
105 |
145 |
185 |
225 |
265 |
305 |
345 |
385 |
425 |
465 |
505 |
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[in] |
2.56 |
4.13 |
5.71 |
7.28 |
8.86 |
10.43 |
12.01 |
13.58 |
15.16 |
16.73 |
18.31 |
19.88 |
© Danfoss | December 2019 |
AX327462277301en-000101 | 7 |
Service and Parts Manual
Directional Valve Group ECO 80
Installation
ECO 80 connections pump side and max flow setting
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A |
A |
B |
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B |
Flow P
B
Max. flow: P |
A |
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6±1Nm[53±9lbf- |
in] |
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Max. flow: P |
B |
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6±1Nm[53±9lbf-in]
8 | © Danfoss | December 2019 |
AX327462277301en-000101 |
Service and Parts Manual
Directional Valve Group ECO 80
Installation
ECO 80 installation of lever
Remember to screw the lever all the way in.
22.5 °
22 .5°
22 .5°
8±1Nm
22 |
.5° |
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22.5° |
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52.5 °
82.5 °
112.5 °
67.5 °
97.5 °
127.5 °
157.5 °
187.5 °
© Danfoss | December 2019 |
AX327462277301en-000101 | 9 |
Service and Parts Manual
Directional Valve Group ECO 80
Installation
ECO 80 main spool assembly installation
Standard main spool assembly
8-10Nm
8-10Nm
6 mm
8-10 Nm
13mm HEX
8-10Nm
EVBS,
MECHANICAL
FLOW
CONTROL
SPOOLS,MICRO
SWITCH
EVBS, |
8-10Nm |
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MECHANICAL |
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FLOW |
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CONTROL |
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SPOOLS,THROUGH |
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ACTING |
EVBS, |
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MECHANICAL |
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FLOW |
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CONTROL |
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SPOOLS,FEMALE |
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EXTENSION |
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EVBS, |
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MECHANICAL |
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FLOW |
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CONTROL |
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SPOOLS,DETENT |
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03/02 |
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POSITION |
8-10Nm |
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EVBS, |
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ELECTRICAL |
11 mm |
FLOW |
CONTROL |
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8-10 Nm |
SPOOLS |
8-10Nm
10 | © Danfoss | December 2019 |
AX327462277301en-000101 |
Service and Parts Manual
Directional Valve Group ECO 80
Service parts
ECO 80 EVP, pump side module
1 |
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3/4" |
2 |
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6-7Nm |
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7/8" |
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25-27Nm |
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3/4" |
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18-20 Nm |
3 |
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5 mm |
4 |
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12-14 Nm |
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3/16" |
5 |
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4-5 Nm |
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ACCESS TO |
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RELIEF VALVE |
RELIEF VALVE |
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4MM HEX |
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360° = 100 BAR |
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(CLOCKWISE) |
OPEN CENTER
SAE PLUG HEX 1/4"(18-20Nm)
BSP PLUG HEX 6mm(29-35Nm)
13) CLOSED CENTER
SAE PLUG HEX 1/4"(18-20Nm)
3 
BSP PLUG HEX 6MM(29-35Nm)
6)Closed Center 
7
8)Open Center
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10 |
4 |
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8 mm |
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12 |
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9 |
22-26 Nm |
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11 |
6mm |
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29-35Nm |
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7/8" |
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29-35Nm |
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Type |
Description |
Code number |
P-port |
T-port* |
Letter |
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EVP |
Open center |
11173005 |
G1/2” |
G1/2” |
A |
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11172981 |
7/18-14 |
7/18-14 |
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Closed center |
11173006 |
G1/2” |
G1/2” |
B |
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11173002 |
7/18-14 |
7/18-14 |
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Open center with pilot supply |
11172996 |
G1/2” |
G1/2” |
C |
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11173010 |
7/18-14 |
7/18-14 |
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Closed center with pilot supply |
11172997 |
G1/2” |
G1/2” |
D |
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11173011 |
7/18-14 |
7/18-14 |
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Open center with pilot supply and facilities for EVPX |
11173023 |
G1/2” |
G1/2” |
E |
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11173000 |
7/18-14 |
7/18-14 |
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Item |
Description |
Code number |
Letter |
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A |
B |
C |
D |
E |
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1 |
EVPX housing incl. EVPX |
See section EVPX |
- |
- |
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- |
- |
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2 |
EVPX coil |
See section EVPX |
- |
- |
- |
- |
- |
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3 |
Plug |
- |
2 |
2 |
2 |
2 |
2 |
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4 |
Plug |
- |
2 |
2 |
2 |
2 |
2 |
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5 |
Relief valve incl. sealed plastic adjusting |
- |
1 |
1 |
1 |
1 |
1 |
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screw |
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6 |
Orifice for closed center EVP (Ø0,8 x M6) |
- |
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1 |
- |
1 |
- |
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7 |
Inlet compensator assembly |
- |
1 |
1 |
1 |
1 |
1 |
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8 |
Plug for open center EVP (Pipe M6 x 1) |
- |
1 |
- |
1 |
- |
1 |
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9 |
Plug |
- |
- |
- |
1 |
1 |
1 |
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10 |
Pilot supply |
- |
- |
- |
1 |
1 |
1 |
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11 |
Plug for external pilot oil supply |
- |
1 |
1 |
- |
- |
- |
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© Danfoss | December 2019 |
AX327462277301en-000101 | 11 |
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