Tightening Torque - Volvo Penta D2-55 Workshop Manual

Group 20 Technical data
Cylinder head* ............................................................ 100
Main bearings:
upper to lower bearing caps ........................................ 52
main bearing caps to cylinder block (hex bolts) .......... 52
rear cap (Allen bolt) .................................................... 27
Big end bearings ........................................................ 52
End plate/flywheel housing ......................................... 25
Flywheel housing ....................................................... 25
Flywheel .................................................................... 74
Elastic coupling ......................................................... 22
Adapter plate to flywheel housing ............................... 22
Strainer, oil pump ....................................................... 10
Oil sump .................................................................... 10
Drain plug, oil sump ................................................... 35
Timing gear cover ...................................................... 10
Crankshaft pulley ....................................................... 300
Injection pump ........................................................... 15
Bearing block, rocker arm shaft ................................. 33
Valve cover ................................................................ 14
Pressure oil pipe (cylinder block – cylinder head) ....... 12
Injectors ..................................................................... 64
Delivery pipes ............................................................ 23
Pressure valve holder ................................................ 42
Reduction valve ......................................................... 64
Locking screw (max. fuel volume) .............................. 15
Locking screw (engine speed) .................................... 15
Glowplug .................................................................... 18
Oil pressure monitor ................................................... 18
Coolant temperature monitor ...................................... 27
Oil pressure sensor .................................................... 18
Coolant temperature sensor ....................................... 18
* The tightening torque given is the final tightening torque.
The cylinder head is to be tightened in three steps in the correct tightening sequence, see tightening diagram.
Oil the threads of the cylinder head bolts with clean oil.
100
Tightening torque in Nm