ar0140b9133c

Machine crankcase contact surface

Tür ar · konu 01.40 · sürüm 0101 · 2019-07-03

Geçerli olduğu: Engine 924.9, 926.9 in model 368, 382, 384, 634, 685, 979 Engine 924.9, 926.9 in model 693, 694, 695 Engine 924.9, 926.9 in model 958, 979 Engine 926.9 in model 958

“tr” dilinde mevcut değil; İngilizce gösteriliyor.

Konumu

Fonksiyon grubu 1 Motor › 01 Motor komple, Motor havalandırması, Silindir kapağı, Motor bloğu › 01.40 Motor bloğu, Eksantrik gövdesi, Kapak — Seri 368 · Seri 382 · Seri 384 · Seri 634 · Seri 685 · Seri 693 · Seri 694 · Seri 695 · Seri 958 · Seri 979

EinPAS 15 Motor › 15.15 Komple içten yanmalı motor/motor gövdesi/krank tahriki › 15.15.31 Motor bloğu/yağ ayırıcısı/hava tahliyesi — Seri 368 · Seri 382 · Seri 384 · Seri 634 · Seri 685 · Seri 693 · Seri 694 · Seri 695 · Seri 958 · Seri 979

Motorlar/şanzımanlar için de geçerli: 924 9**, 926 9**

AR01.40-B-9133C

Machine crankcase contact surface

19.06.2019

Engine

924.9, 926.9 in model 368, 382, 384, 634, 685, 979

Engine

924.9, 926.9 in model 693, 694, 695

Engine

924.9, 926.9 in model 958, 979

Engine

926.9 in model 958

Machine crankcase contact surface

1

Engine block

A

Block height

a

Chamfer on cylinder top edge

B01.40-0002-06

Machining

1

Grind the upper side of the tread block (1)

AR03.10-B-7021-02D

Observe that after the grind on the supper side, the block height (A) must meet the tolerance degree of the cylinder's diameter (normal, repair I, repair I or repair II).

The cylinder's diameter and block height must correspond to the tolerance degree of the cylinder's diameter and piston height to be applied.

2

Verify the setting data of the grinding machine

The rotation (n) is determined by the diameter (d) of the grinding wheel.

Height (A) of the block, measured between the main bearings (upper shell seat) and the block's top face

*BE01.40-B-1006-02C

Roughness of the block's upper surface

*BE01.40-B-1011-02C

Maximum admissible deviation of the flatness at the engine block surface

*BE01.40-B-1013-02C

Parallelism deviation between the block upper face with regard to the upper shells seats in the main bearings

*BE01.40-B-1016-02C

3

Machine the chamfer (a) on the cylinder top edge

To facilitate the later piston installation.

Chamfer (a) at the upper corner of the cylinder or cylinder liner

*BE01.40-B-1021-02C

Engine block test values

Number

Designation

Engine 924.9, 926.9

BE01.40-B-1006-02C

Height (A) of the block, measured between the main bearings (upper shell seat) and the block's top face

Normal

mm

298,33...298,40

Repair I (- 0,3)

mm

298,03...298,10

Repair II (- 0,6)

mm

297,73...297,80

Repair III (- 0,9)

mm

297,43...297,50

Engine block test values

Number

Designation

Engine 924.9, 926.9

BE01.40-B-1011-02C

Roughness of the block's upper surface

Rz

mm

0,008...0,016

Engine block test values

Number

Designation

Engine 924.9, 926.9

BE01.40-B-1013-02C

Maximum admissible deviation of the flatness at the engine block surface

On the total length

mm

0,030

on a 150 mm length

mm

0,015

Engine block test values

Number

Designation

Engine 924.9, 926.9

BE01.40-B-1016-02C

Parallelism deviation between the block upper face with regard to the upper shells seats in the main bearings

maximum

mm

0,05

Engine block test values

Number

Designation

Engine 924.9, 926.9

BE01.40-B-1021-02C

Chamfer (a) at the upper corner of the cylinder or cylinder liner

a1

mm

0,3...0,4

a2

graus

30

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