Man D2868 LE426, Operating Instruction

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Installation and commissioning
MAN marine diesel engines D2868 LE4.. / D2862 LE4..
48
Carefully read through the Operating Instructions before starting any work!
This particularly applies to the General Safety Instructions section
and the safety instructions in the various chapters.
6.4 Installation of the propulsion system in the ship
6.4.1 Installing the resilient engine and gearbox mounts
Identification of the mounts
The resilient mounts can be supplied by MAN.
For the dimensions of the bearings and hole pat­
tern, see the arrangement drawings. These can be
obtained from MAN; see page 2 for the contact
address.
1
Mounting bolts M 20,
strength class 8.8
2
Transport protection bolts
3 Height adjustment
4 Mounting bolt for engine mounting M 20
S
Put the propulsion system on the engine found­
ation with resilient mounts. Ensure that the
mounts are arranged correctly (shore hard­
ness).
S
Bolt the engine mountings and the gearbox
mountings to the resilient mounts.
Assignment of the resilient mounts to the engine and gearbox
Engine model Gearbox arrangement MAN part number Shore
hard­
ness
V8 Flange-mounted gearbox 51.96210-7052 60
V8 Free-standing gearbox 51.96210-7052 60
V12 Flange-mounted gearbox 51.96210-7051 65
V12 Free-standing gearbox 51.96210-7051 65
The maximum adjustment height for all mounts is 10 mm. This adjustment height cannot be exceeded. Lar­
ger height differences must be balanced using shims.
The lower the adjustment height can be adjusted, the more reserve there is for subsequent readjustments.
Align the propulsion system before commissioning, see installation instructions.