ar0330b8312tc

Replace ring gear on flywheel

Typ ar · temat 03.30 · wersja 0106 · 2017-12-29

Dotyczy: Engine 457.9 in model 934, 958.4 Engine 460.984 in model 934, 938.142

Niedostępne w języku „pl”; wyświetlono w języku Angielski.

Umiejscowienie

Grupa funkcyjna 1 Silnik › 03 Zespół napędowy › 03.30 Koło zamachowe, tarcza zabieraka, tłumik drgań, wieniec zębaty rozrusznika — Seria 460 (modele 984) · Seria 934 · Seria 938 (modele 142) · Seria 958 (modele 4**)

EinPAS 15 Silnik › 15.15 Silnik spalinowy kompletny/obudowa silnika/mechanizm korbowy › 15.15.41 Wał korbowy/ koło zamachowe/ tarcza sprzęgła — Seria 460 (modele 984) · Seria 934 · Seria 938 (modele 142) · Seria 958 (modele 4**)

Dotyczy też silników/skrzyń biegów: 457 9**

AR03.30-B-8312TC

Replace ring gear on flywheel

20.12.2017

Engine

457.9 in model 934, 958.4

Engine

460.984 in model 934, 938.142

Replace ring gear on flywheel

1

Rack

2

Engine flywheel

A

Hole (to house the screw for the clutch pressure plate)

B

Internal diameter of the rack and diameter of the steering wheel for housing of the rack

W03.30-0014-04

Remove

Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

1

Remove the engine flywheel (2)

AR03.30-B-8002TC

2

Heat the rack (1) quickly with a welding burner and remove it from the engine flywheel (2) with a suitable chuck

Pave the engine flywheel (2).

Measure

3

Measure the internal diameter of the rack and the diameter of the wheel for housing of the rack (B) in the engine flywheel (2) and calculate the overlap between the rack (1) and the engine flywheel (2)

If necessary, replace the engine flywheel (2) or adapt the diameter of the wheel for housing of the rack (1) to reprocess the following allowed variation and choose a new rack (1) with corresponding allowed variation.

Flywheel outside diameter

*BE03.30-B-1001-03H

Ring gear internal diameter

*BE03.30-B-1012-03H

Interference between the ring gear and steering wheel

*BE03.30-B-1013-03H

Install

4

Heat the new rack (1)

The correct assembly temperature is reached when the tempering color of the toothed rack (1) is light yellow.

Ring gear mounting temperature

*BE03.30-B-1017-03H

5

Place the rack (1) up to the installation surface on the engine flywheel (2)

Let the rack (1) cool down for at least 2 minutes and lower the rack (1) by using a brass chuck.

6

Fix centerings in the rack (1) by the holes (A)

Use a drill with a diameter of 11,0 mm. The centerings are required to pre-drill the diameters of the central hole.

7

Pre-drill the diameters of the central hole for the nut in the rack (1)

Use a drill with a diameter of 4.5 mm.

8

Drill the diameters of the central hole for the nut in the rack (1) up to the edge

Use a drill with a diameter of 8.5 mm.

9

Turn the engine flywheel (2) and correct the diameters of the central hole in the rack (1)

10

Open nuts at every diameter of the central hole in the rack (1)

Tool set / male (M10).

11

Assemble the engine flywheel (2)

AR03.30-B-8002TC

Engine flywheel

Number

Designation

Engine 457.9, 460.984

BE03.30-B-1001-03H

Flywheel outside diameter

mm

486,6...487,4

Engine flywheel

Number

Designation

Engine 457.9, 460.984

BE03.30-B-1012-03H

Ring gear internal diameter

mm

432,000...432,155

Engine flywheel

Number

Designation

Engine 457.9, 460.984

BE03.30-B-1013-03H

Interference between the ring gear and steering wheel

mm

0,335...0,645

Engine flywheel

Number

Designation

Engine 457.9, 460.984

BE03.30-B-1017-03H

Ring gear mounting temperature

°C

200...230

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