시리즈
ko
ar0140b9133c
Machine crankcase contact surface
유형 ar · 주제 01.40 · 버전 0101 · 2019-07-03
적용 대상: 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
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위치
기능 그룹 1 엔진 › 01 엔진 전체, 엔진 배기, 실린더 헤드, 실린더 크랭크케이스 › 01.40 실린더 크랭크케이스, 제어기 하우징 커버, 최종커버 — 시리즈 368 · 시리즈 382 · 시리즈 384 · 시리즈 634 · 시리즈 685 · 시리즈 693 · 시리즈 694 · 시리즈 695 · 시리즈 958 · 시리즈 979
EinPAS 15 엔진 › 15.15 연소 엔진 전체/엔진 블럭/크랭크 어셈블리 › 15.15.31 크랭크 케이스/오일 분리기/배기 — 시리즈 368 · 시리즈 382 · 시리즈 384 · 시리즈 634 · 시리즈 685 · 시리즈 693 · 시리즈 694 · 시리즈 695 · 시리즈 958 · 시리즈 979
엔진/변속기에도 적용: 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
1
Engine block
A
Block height
a
Chamfer on cylinder top edge
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
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
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
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
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
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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