ar5550t0300a

Removing and installing hydraulic cylinder

Type ar · topic 55.50 · version 0101 · 2005-07-12

Applies to: MODEL NMB671.312 /322 /327 /332 /333

Where it sits

Function group 2 Chassis › 55 Auxiliary drive systems, hydraulic and linkage systems › 55.50 Linkage systems — Series 671 (models 312, 322, 327, 332, 333)

EinPAS 35 Body/frame/detachable parts › 35.55 Articulation system/turntable › 35.55.32 Cylinder — Series 671 (models 312, 322, 327, 332, 333)

AR55.50-T-0300A

Removing and installing hydraulic cylinder

23.11.98

MODEL NMB671.312 /322 /327 /332 /333

Removing and installing hydraulic cylinder

T55.50-0005-12

1 Hydraulic cylinder

2 Hydraulic line

3 Hydraulic line

4 Pin

5 Bolt

6 Washer

7 Nut

Removing and installing hydraulic cylinder

T55.50-0043-11

8 Control block

9 Ball valve

11 Bleed valve

Removing

Danger!

Risk of injury to skin or eyes from hydraulic fluid spraying out under pressure. Risk of poisoning from swallowing hydraulic fluid.

Depressurize the hydraulic system completely before starting any work on the system. Wear protective clothing and safety glasses.

AS00.00-Z-0013-01A

1

Park vehicle in straight-ahead position over a pit

2

Open bellows at front section end and rear section end at the bottom

Do not open the cable locks on the bellows.

AR55.50-T-0600A

3

Close ball valve (9)

4

Release pressure in hydraulic system

Release the pressure via the bleed valve (11) on the control block (8).

Collect escaping hydraulic fluid in a suitable container.

5

Detach hydraulic lines (2) from hydraulic cylinders (1)

Mark hydraulic lines (2) relative to the hydraulic cylinders (1).

6

Remove hydraulic lines (3)

Mark connections of hydraulic lines (3) relative to the hydraulic cylinders (1).

7

Unscrew nut (7)

Counter the bolt (5) if necessary.

8

Remove washer (6)

9

Unscrew bolt (5)

*BA55.50-N-1013-01A

10

Remove pin (4)

11

Remove hydraulic cylinder (1)

Installing

12

Install hydraulic cylinder (1)

13

Install pin (4)

14

Screw in bolt (5)

*BA55.50-N-1013-01A

15

Install washer (6)

16

Screw on nut (7)

Counter the bolt (5) if necessary.

17

Install hydraulic lines (3)

Observe markings.

18

Connect hydraulic lines (2)

Observe markings.

19

Open ball valve (9)

20

Close bellows at front and rear section ends at the bottom

AR55.50-T-0600A

21

Bleed hydraulic cylinder

AR55.50-T-0310A

Articulation system

Number

Designation

Model 671.312/
322/327

Model
671.332/
333

BA55.50-N-1013-01A

Locking bolts for support cylinder bolts

Nm

70

70

Referenced documents