ar0320d435102r

Tightening procedure for crankshaft bearing caps

Typ ar · temat 03.20 · wersja 0102 · 2018-05-30

Dotyczy: Engine 646 in model 909

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

Umiejscowienie

Grupa funkcyjna 1 Silnik › 03 Zespół napędowy › 03.20 Wał korbowy — Seria 646 · Seria 909

EinPAS 15 Silnik › 15.15 Silnik spalinowy kompletny/obudowa silnika/mechanizm korbowy › 15.15.41 Wał korbowy/ koło zamachowe/ tarcza sprzęgła — Seria 646 · Seria 909

AR03.20-D-4351-02R

Tightening procedure for crankshaft bearing caps

Engine

646 in model 909

Crankshaft

Number

Designation

Engine 646 in model 909

BA03.20-N-1001-01J

Bolt, crankshaft bearing cap to crankcase

M11

Stage 1

Nm

50

Stage 2

°

95

M12

Stage 1

Nm

-

Stage 2

°

-

Tightening procedure for crankshaft bearing caps

1

Moisten thread and bolt head contact surface of screw/bolts (1 to 10) for crankshaft bearing caps with engine oil.



2

Pretighten screw/bolts (1 to 10) for crankshaft bearing caps in numerical sequence of the tightening procedure. 



3

Tighten crankshaft bearing cap bolts (1 to 10) using an angle tightener. 


If no angle tightener is available, tighten screw/bolts (1 to 10) further by the specified angle in a single operation using a socket wrench and breaker bar. Do not use a bending rod torque wrench for tightening in order to avoid any angular errors.



4

Turn crankshaft to check for unobstructed movement.


N03.20-2051-11