ar0320d435102us

Tightening procedure for crankshaft bearing caps

유형 ar · 주제 03.20 · 버전 0100 · 2007-09-13

적용 대상: ENGINE 272.979 in MODEL 906

“ko”(으)로는 제공되지 않아 영어(으)로 표시합니다.

위치

기능 그룹 1 엔진 › 03 파워트레인 › 03.20 크랭크샤프트 — 시리즈 906

EinPAS 15 엔진 › 15.15 연소 엔진 전체/엔진 블럭/크랭크 어셈블리 › 15.15.41 크랭크샤프트/플라이휠/클러치 디스크 — 시리즈 906

엔진/변속기에도 적용: 272 979

AR03.20-D-4351-02US

Tightening procedure for crankshaft bearing caps

Crankshaft

Number

Designation

Engine
272.979
in model
906

BA03.20-N-1001-01L

Bolt for crankshaft bearing cap

M8

Stage 1

Nm

20

Stage 2

°

90

M10

Stage 1

Nm

5

Stage 2

Nm

30

Stage 3

°

90

BA03.20-N-1002-01L

Side bolt for crankshaft bearing cap

M8

Nm

30

Tightening procedure for crankshaft bearing caps

D03.20-1121-06

Tighten the crankshaft fitted bearing cap (A) and the crankshaft bearing caps (B, C, D) individually in alphabetical order. The arrow identifies direction of travel.

Tightening procedure for crankshaft bearing caps

To rule out angular errors, do not use a bending rod torque wrench for the final tightening.

If no angle tightener is available for the final tightening, tighten bolts (1 to 6) further in a single operation using a socket wrench and a toggle. The bolts (1 to 6) are tightened in the sequence specified below.

1 Oil the thread and the bolt head contact surfaces of the bolts (1 to 6) with engine oil.

P03.20-2153-03

2 Tighten bolts (1, 2) (M10) to stage 1.

3 Tighten bolts (3, 4) (M8) to stage 1.

4 Tighten bolts (5) (M8).

5 Tighten bolts (6) (M8).

6 Tighten bolts (1, 2) (M10) to stage 2.

7 Tighten bolts (3, 4) (M8) to stage 2.

8 Tighten bolts (1, 2) (M10) to stage 3.