ar1330w0002h

Remove/install 2-cylinder compressor

Type ar · emne 13.30 · version 0300 · 2019-10-30

Gælder for: Engine 471.9 in model 963, 964 with code M6L (Air compressor, 2 cylinder) Engine 471.9 in model 963, 964 with code M6M (Air compressor, 2-stage, for optimised consumption)

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Placering

Funktionsgruppe 1 Motor › 13 Kompressor, remtræk › 13.30 Kompressor (trykluftsystem) — Serie 471 (modeller 9**) · Serie 963 · Serie 964

EinPAS 21 bremser/vakuumsystem/trykluftsystem › 21.35 trykluftsystem › 21.35.35 Kompressor — Serie 471 (modeller 9**) · Serie 963 · Serie 964

AR13.30-W-0002H

Remove/install 2-cylinder compressor

15.10.2019

Engine

471.9 in model 963, 964

with code M6L (Air compressor, 2 cylinder)

Engine

471.9 in model 963, 964

with code M6M (Air compressor, 2-stage, for optimised consumption)

Modification notes

08.10.2019

Remove power-steering pump for additional steering axle, added.

Operation step 4

AR46.80-W-3005H

08.10.2019

Remove front left air suspension bellows, added.

Operation step 13

R32.22-W-2013H

Remove/install 2-cylinder compressor

W13.30-1168-09

Shown on vehicle with code M6M (Compressor, two-stage, provides for optimum fuel consumption)

1

Fuel filter module

3

Fuel line (feed)

5

Compressor

2

Fuel line (return flow)

4

Air intake duct (compressor)

6

Air line (compressor)

Remove/install 2-cylinder compressor

Shown on vehicle with code M6M (Compressor, two-stage, provides for optimum fuel consumption)

1

Fuel filter module

5

Compressor

7

Coolant line

8

Coolant line

9

Bracket

10

Electrical line

11

Bolts

12

Screw

13

Crankcase

14

Drive gear

15

Sealing ring

16

Sealing ring

17

Fitting

W13.30-1169-06

Danger

Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.

No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only.
Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A

Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

Warning

Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.

Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A

Warning

Risk of injury caused by body parts being pinched or crushed as cab is tilted

Ensure that no one is within the tilting range of the cab as it is being tilted. Always tilt the cab all the way to the end position and secure it with the safety strut.

AS60.80-Z-0001-01A

Caution

Risk of injury to skin and eyes due to handling of engine oil. Risk of poisoning caused by swallowing engine oil

Wear protective gloves, protective clothing and safety glasses.
Do not fill engine oil into beverage containers.

AS18.00-Z-0001-01A

Topical note

Notes on self-locking nuts and bolts

AH00.00-N-0001-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-N-5000-01H

Topical note

Notes on coolant

AH20.00-N-2080-01A

Topical note

Notes on tilting the cab

AH60.80-N-0003-01A

Note on calculation of tightening torque when using insertion or socket tools with various effective lengths

AH00.00-P-0015-01CW

Notes on safety-relevant components

AH00.00-Z-0019-01A

Notes on engine oil

AH18.00-N-0101-01HA

Remove/install

1

Tilt cab.

Installation: Only tilt back cab after the leak test.

2

Drain coolant at engine.

AR20.00-W-1142H

3

Remove soundproofing.

Installation: Reinstall soundproofing only after the leak test.

4

Remove power-steering pump for additional steering axle.

Only for vehicles with an additional steering axle, on which the power-steering pump is installed on the compressor (5).

AR46.80-W-3005H

5

Remove air intake line (4).

6

Unscrew fuel lines (2, 3) on fuel filter module (1).

Use an open double-hexagon-box wrench size 32.

Installation: Observe installation position of the fuel lines (2, 3); see cast-on arrows on fuel filter module (1).

Union nut, fuel line (fuel tank) to fuel filter module

*BA47.25-N-1005-01N

7

Remove bracket with fuel lines (2, 3) from fuel filter module (1) and fasten on vehicle frame.

Fuel line bracket screw/bolt

*BA47.25-N-1003-01N

8

Remove compressed-air line (6) at compressor (5) and check for carbonization.

Union nut, compressed air line to compressor fitting

*BA13.30-N-1010-01M

If carbonization is visible,

Replace compressed-air line (6) and carbonized parts.

9

Remove control line from compressor (5).

Only on vehicles with code M6L(Air compressor, 2 cylinder)

Banjo bolt or retaining screw for control line to compressor

*BA13.30-N-1012-01M

10

Release and disconnect coolant lines (7, 8).

Collect flowing out coolant in a suitable container.

11

Expose electric line (10) on bracket (9).

12

Remove bracket (9) on compressor (5) and on crankcase (13).

Screw/bolt, compressor bracket to crankcase

*BA13.30-N-1006-01M

Screw/bolt, bracket to compressor

*BA13.30-N-1007-01M

13

Remove front left air suspension bellows.

Only for model 963 with code A1A (air-sprung front axle).

AR32.22-W-2013H

14

Remove screws (11, 12) and remove compressor (5) from crankcase (13).

Collect engine oil which flows out in a suitable vessel.

Installation: The rear upper screw/bolt (12) must be inserted before the compressor (5) is placed on crankcase (13). Turn the drive wheel (14) if necessary while placing the compressor (5).

Screw/bolt, compressor to crankcase

*BA13.30-N-1001-01M

15

Check drive gear (14) for damage.

If the drive gear (14) is damaged,

Replace drive gear (14) and also check the counter-gearwheel for the gearwheel drive involved for damage; replace if necessary.


AR13.30-W-7044H

16

Remove sealing rings (15, 16) at compressor (5).

Installation: Replace sealing rings (15, 16).

17

Remove fittings (17) of compressed-air line (6), air intake line (4) and coolant lines (7, 8) on compressor (5).

The air intake duct (4) and the coolant lines (7, 8) are leaky only if the compressor (5) is replaced or the fitting (17) for the air line (6).

Installation: Install new sealing rings if necessary.

Fitting, coolant line to compressor

*BA13.30-N-1004-01M

Fitting to compressor

*BA13.30-N-1008-01M

18

Install in the reverse order

19

Check engine oil level on display; correct if necessary.

Observe set engine oil specification in the maintenance system.

20

Start engine and perform an engine test run.

Allow the engine to run at a higher engine speed.

If engine fails to start or only runs for a brief period,

Fill low-pressure fuel circuit.


AR07.16-W-1007H

21

Check all connections on the compressor (5) for leak tightness and stop engine.

Visual inspection.

Compressor (compressed air system)

Number

Designation

Engine 471.9

BA13.30-N-1001-01M

Screw/bolt, compressor to crankcase

Nm

60

Compressor (compressed air system)

Number

Designation

Engine 471.9

BA13.30-N-1004-01M

Fitting, coolant line to compressor

M16x1.5

Nm

50

M18x1.5

Nm

45

Compressor (compressed air system)

Number

Designation

Engine 471.9

BA13.30-N-1006-01M

Screw/bolt, compressor bracket to crankcase

Nm

30

Compressor (compressed air system)

Number

Designation

Engine 471.9

BA13.30-N-1007-01M

Screw/bolt, bracket to compressor

Nm

50

Compressor (compressed air system)

Number

Designation

Engine 471.9

BA13.30-N-1008-01M

Fitting to compressor

M14x1.5

Nm

40

M26x1.5

Nm

100

Compressor (compressed air system)

Number

Designation

Engine 471.9

BA13.30-N-1010-01M

Union nut, compressed air line to compressor fitting

Nm

75

Compressor (compressed air system)

Number

Designation

Engine 471.9

BA13.30-N-1012-01M

Banjo bolt or retaining screw for control line to compressor

M10x1,0

Nm

15

Fuel lines/hoses

Number

Designation

Engine 471.9

BA47.25-N-1003-01N

Fuel line bracket screw/bolt

M6

10.9

Nm

15

M8

10.9

Nm

30

M10

10.9

Nm

60

Fuel lines/hoses

Number

Designation

Engine 471.9

BA47.25-N-1005-01N

Union nut, fuel line (fuel tank) to fuel filter module

Nm

60

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