ar0150b2000ta

Remove/install hydraulic constant throttle

Type ar · topic 01.50 · version 0106 · 2020-02-18

Applies to: Engine 457.9 in model 934.241/251, 958.4 Engine 460.984 in model 934.241/251, 938.142

Where it sits

Function group 1 Engine › 01 Complete engine, crankcase ventilation, cylinder head, crankcase › 01.50 Constantly open throttle valve — Series 460 (models 984) · Series 934 (models 241, 251) · Series 938 (models 142) · Series 958 (models 4**)

EinPAS 15 Engine › 15.16 Cylinder head › 15.16.40 Constant throttle — Series 460 (models 984) · Series 934 (models 241, 251) · Series 938 (models 142) · Series 958 (models 4**)

Also applies to engines/gearboxes: 457 9**

AR01.50-B-2000TA

Remove/install hydraulic constant throttle

18.02.2020

Engine

457.9 in model 934.241/251, 958.4

Engine

460.984 in model 934.241/251, 938.142

Remove/install hydraulic constant throttle

W01.50-1042-09

1

Heat baffle plate

4

Top Brake piping

7

O-Ring

2

Exhaust manifold

5

Electric connection

Y49

Hydraulic Top Brake electromagnetic valve

3

Heat baffle plate

6

Support

Remove/install

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

1

Turn off ignition

2

Tilt the cabin

Topical note

Notes on tilting the cab

AH60.80-N-0003-01A

3

Remove the acoustic lining in the frame upper right side

4

Remove the heat deflector plate (1) above the exhaust manifold (2)

Heat baffle plate in the exhaust manifold

*BA14.10-B-1002-01B

5

Remove the heat deflector plate (3) in the exhaust manifold lower front part (2)

Heat baffle plate in the exhaust manifold

*BA14.10-B-1002-01B

6

Clean with compressed air the area around the hydraulic Top Brake electromagnetic valve (Y49)

7

Remove the Top Brake piping (4)

Collect the leaked engine oil.

Installation: Replace the sealing rings.

8

Separate the electrical connection from the (5) hydraulic Top Brake electromagnetic valve (Y49)

9

Remove the bracket (6)

10

Remove the hydraulic Top Brake electromagnetic valve (Y49)

Displace the electrical cable through the socket wrench adapter cut.

Installation: replace the O-Ring (7).

.Top brake solenoid valve (constant throttle)

*BA01.50-B-1001-01C

Socket

*457589000900

11

Install on the reverse order

Top brake

Number

Designation

Engine 460.984 in Type 934

BA01.50-B-1001-01C

Top brake solenoid valve (constant throttle)

Nm

35

Exhaust manifold

Number

Designation

Engine 457.9 (except for 457.922/928), 460.984

BA14.10-B-1002-01B

Heat baffle plate in the exhaust manifold

Nm

25

Remove/install hydraulic constant throttle

457 589 00 09 00

Socket

Referenced documents