ar2040t0001aa

Remove/install hydraulic

Type ar · topic 20.40 · version 0102 · 2005-07-12

Applies to: ENGINE 457.942 in MODEL NMB671.020 /021 /030 /042 /333

Where it sits

Function group 1 Engine › 20 Engine cooling system › 20.40 Fan, fan clutch — Series 671 (models 020, 021, 030, 042, 333)

EinPAS 15 Engine › 15.25 Engine cooling system › 15.25.45 Fan/fan clutch/fan drive — Series 671 (models 020, 021, 030, 042, 333)

Also applies to engines/gearboxes: 457 942

AR20.40-T-0001AA

Remove/install hydraulic

6.6.01

ENGINE 457.942 in MODEL NMB671.020 /021 /030 /042 /333

Remove/install hydraulic

T20.40-0009-01

1 Hydraulic motor

2 Leak oil line

3 Return flow pipe

4 Pressure line

5 Fan

6 Retaining frame

7 Adapter piece

8 Proportioning valve

Remove/Install

1

Remove radiator unit

AR20.20-T-3871AA

2

Detach the leak oil line (2) from the hydraulic motor (1)

Installation: Install new sealing rings.

3

Remove the return line (3) between the hydraulic motor (1) and the adapter piece (7)

Collect hydraulic oil which flows out in a suitable vessel.

Installation: Clean sealing surfaces and install new sealing rings.

4

Remove the pressure line (4) between the hydraulic motor (1) and the proportioning valve (8)

Collect hydraulic oil which flows out in a suitable vessel.

Installation: Clean sealing surfaces and install new sealing rings.

5

Detach the hydraulic motor (1) from the retaining frame (6)

6

Detach the fan (5)

The fan (5) is screwed on to the tapering shaft of the hydraulic motor (1). To detach the fan (5), the connection must be removed .

AR20.40-T-5614AA

7

Install in the reverse order

Referenced documents