Danfoss OLS160 User guide

Brand: Danfoss

Model: OLS160

Type: User guide

MAKING MODERN LIVING POSSIBLE

Service Manual

Steering

Priority Valve OLS 160

powersolutions.danfoss.com

Revision History Table of Revisions

Date Changed Rev

Mar 2014 Converted to Danfoss layout - DITA CMS BA

Sep 2010 New back cover AC

Jan 2010 Japan location AB

Aug 2005 First edition AA

Service Manual Steering, Priority Valve OLS 160

2 520L0927 • Rev BA • Mar 2014

Exploded Views

Exploded view OLS 160..................................................................................................................................................................4

Tools

Tools for OLS 160..............................................................................................................................................................................5

Dismantling

Dismantling the OLS 160...............................................................................................................................................................6

Modification

Cleaning...............................................................................................................................................................................................9

Inspection and replacement........................................................................................................................................................ 9

Lubrication..........................................................................................................................................................................................9

Assembling

Assembling the OLS 160..............................................................................................................................................................10

Service Manual Steering, Priority Valve OLS 160

Contents

520L0927 • Rev BA • Mar 2014 3

Exploded view OLS 160

152B103.10

1. Plug

2. O-ring

4. Orifice

5. Spool

6. Housing

7. Spring

8. LS-plug

9. Name plate

14. Washer (Steel)

15. Pressure relief valve

16. Washer (Alu.)

17. Pressure relief valve plug

Service Manual

Steering, Priority Valve OLS 160

Exploded Views

4 520L0927 • Rev BA • Mar 2014

Tools for OLS 160

Open-end spanner 27 mm

Multigrip pliers

Nylon pin

Hexagon socket spanners 5, 8 and 10 mm

The tools are not available from Danfoss

Service Manual Steering, Priority Valve OLS 160

Tools

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Dismantling the OLS 160

Screw out the PP plug using the open-end

spanner. Remove the O-ring.

Screw out the LS plug using the open-end spanner.

Remove the O-ring.

Take out the spring.

Service Manual Steering, Priority Valve OLS 160

Dismantling

6 520L0927 • Rev BA • Mar 2014

Press out the spool using the nylon pin.

Screw out the pressure relief valve plug

(8 mm hexagon spanner).

Screw out the pressure relief valve plug

(10 mm hexagon spanner).

Service Manual Steering, Priority Valve OLS 160

Dismantling

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Hold the pressure relief valve firmly with the

multigrip pliers and screw out the setting screw (5

mm hexagon socket spanner).

The pressure relief valve consists of valve housing,

cone, spring and setting screw.

Service Manual Steering, Priority Valve OLS 160

Dismantling

8 520L0927 • Rev BA • Mar 2014

The control spring pressure can be altered by replacing the spring (see table below). Replace name plate

so that code no. and control spring pressure match each other again.

Control spring pressure

bar [psi]

mm [in]

4 [58] 2.5 [0.10] 12.5 [0.50] 50 [1.97]

7 [102] 3.0 [0.12] 12.5 [0.50] 50 [1.97]

10 [145] 3.2 [0.13] 12.5 [0.50] 50 [1.97]

Cleaning

Clean all parts carefully in low aromatic kerosene.

Inspection and replacement

Check all parts carefully and make any replacements necessary.

All O-rings must be replaced.

Lubrication

Before assembly, lubricate all parts with hydraulic oil.

Service Manual Steering, Priority Valve OLS 160

Modification

520L0927 • Rev BA • Mar 2014 9

Assembling the OLS 160

The illustration shows the internal PP spool and

internal PP-plug. The internal PP-plug can only be

used with the internal PP-spool.

The illustration shows the external PP spool and

external PP-plug. The external PP-plug can only be

used with the internal PP-spool.

Guide the spool into the bore.

Use the nylon pin to centre the spool in the bore.

Service Manual Steering, Priority Valve OLS 160

Assembling

10 520L0927 • Rev BA • Mar 2014

Guide the spring and LS-plug into the bore.

Remember O-ring

Screw in the PP-plug (with O-ring) and LS-plug (27

mm open-end spanner).

Fit the cone, spring and setting screw in the valve

housing (if dismantled). Fit the seal washer (if

removed) and the pressure relief valve (10 mm

hexagon socket spanner).

Tightening torque:

30 N.m [265.5 lbf.in]

Make the pressure setting on a panel or on the

vehicle. Pressure setting shall be done at pump

flow 80 l/min [21.13 US gal/min]

Service Manual Steering, Priority Valve OLS 160

Assembling

520L0927 • Rev BA • Mar 2014 11

Fit the seal ring (if removed) and the plug for the

pressure relief valve

(8 mm hexagon socket spanner).

Tightening torque:

50 N.m [442.5 lbf.in]

The OLS 160 is now reassembled

Service Manual Steering, Priority Valve OLS 160

Assembling

12 520L0927 • Rev BA • Mar 2014

Service Manual Steering, Priority Valve OLS 160

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Service Manual Steering, Priority Valve OLS 160

14 520L0927 • Rev BA • Mar 2014

Service Manual Steering, Priority Valve OLS 160

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Danfoss Power Solutions is a global manufacturer and supplier of high-quality hydraulic and

electronic components. We specialize in providing state-of-the-art technology and solutions that

excel in the harsh operating conditions of the mobile oﬀ -highway market. Building on our extensive

applications expertise, we work closely with our customers to ensure exceptional performance for a

broad range of oﬀ -highway vehicles.

We help OEMs around the world speed up system development, reduce costs and bring vehicles to

market faster.

Danfoss – Your Strongest Partner in Mobile Hydraulics.

Go to www.powersolutions.danfoss.com for further product information.

Wherever oﬀ -highway vehicles are at work, so is Danfoss.

We oﬀ er expert worldwide support for our customers, ensuring the best possible solutions for

outstanding performance. And with an extensive network of Global Service Partners, we also provide

comprehensive global service for all of our components.

Please contact the Danfoss Power Solution representative nearest you.

Local address:

Danfoss

Power Solutions GmbH & Co. OHG

Krokamp 35

D-24539 Neumünster, Germany

Phone: +49 4321 871 0

Danfoss

Power Solutions ApS

Nordborgvej 81

DK-6430 Nordborg, Denmark

Phone: +45 7488 2222

Danfoss

Power Solutions US Company

2800 East 13th Street

Ames, IA 50010, USA

Phone: +1 515 239 6000

Danfoss

Power Solutions

(Shanghai) Co. Ltd.

Building #22, No. 1000 Jin Hai Rd

Jin Qiao, Pudong New District

Shanghai, China 201206

Phone: +86 21 3418 5200

Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to

products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed.

520L0927 • Rev BA • Mar 2014 www.danfoss.com

Danfoss A/S, 2014

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