ar2040b5614xa

Remove/install fan

Type ar · emne 20.40 · version 0101 · 2019-12-20

Gælder for: Engine 904.9 in model 368 Engine 906.9 in model 368, 382 Engine 924.9 in model 368 Engine 926.9 in model 368, 382

Ikke tilgængelig på “da”; vises på Engelsk.

Placering

Funktionsgruppe 1 Motor › 20 Motorkøling › 20.40 Ventilator, ventilatorkobling — Serie 368 · Serie 382 · Serie 904 (modeller 9**) · Serie 906 (modeller 9**)

EinPAS 15 Motor › 15.25 Motorkølesystem › 15.25.45 ventilator/ventilatorkobling/ventilatordrev — Serie 368 · Serie 382 · Serie 904 (modeller 9**) · Serie 906 (modeller 9**)

Gælder også for motorer/gearkasser: 924 9**, 926 9**

AR20.40-B-5614XA

Remove/install fan

02.12.2019

Engine

904.9 in model 368

Engine

906.9 in model 368, 382

Engine

924.9 in model 368

Engine

926.9 in model 368, 382

Remove/install fan

Hydrodynamic Coupling - Viscous

1

Fastening bolt

2

Hydrodynamic Coupling

3

Fan propeller

B20.40-0022-12

Remove/install

1

Remove the assembly of radiators, with the objective of permitting fan removal


.

AR20.20-B-3871XA

To gain access to the fastening nuts (1) and apply the specified tightening torque, it is necessary to remove assembly of radiators.

The access for the works and repairs execution, vary according to the body type/manufacturer
For buses, refer to the body maker instructions.

2

Remove the bolts (1) attaching the viscous coupling (2) to the hub

Dirt deposit, mainly in the front face where the bi-metal is located, can cause inadequate operation of the fan. If necessary, carry out cleaning with water, with attention to avoid bimetallic blade damage

Hydrodynamic coupler fastening (viscous) to the hub

*BA20.40-B-1003-01C

3

Remove the fan

Once removed, place the fan in an upright position to prevent damage to the hydrodynamic coupling

4

Install in reverse order

Fan, fan clutch

Number

Designation

Engine 904.9; 906.9

Engine 924.9; 926.9

BA20.40-B-1003-01C

Hydrodynamic coupler fastening (viscous) to the hub

M10

Nm

60

60

M8

Nm

33

33

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