Inspection; Installation - Triumph Rocket III Classic Service Manual

Inspection
1.
Thoroughly clean the surface of the cylinder head
and check for damage and/or pitting of the
combustion chambers.
Cylinder Head
4. Ensure that both head dowels remain in position in
the crankcase.
2. Using a straight edge and feeler gauges, check the
cylinder head gasket face for warp, which could lead
1
to gasket failure. Replace the cylinder head if warped
beyond the flatness limit.
Checking Head Flatness
Cylinder head flatness 0.030 mm
tolerance
3. Check the camshaft drive chain rubbing blades.
Renew if worn or damaged.
Ensure all traces of fluid (coolant, oil etc.) are removed
from the threaded holes in the crankcase. Should any
fluid remain in any of the threaded holes, severe
crankcase damage could result from hydraulic locking of
head bolts on assembly of the engine.
Installation
1. Thoroughly clean the upper faces of the crankcase
and liners. Also clean the liner to crankcase mating
faces.
2. Fit the cylinder liners (see page 5-21>.
3. Move the camshaft drive chain rubbing blades to a
position that allows the head to fit over them.
_4-- /
1. Dowels
5. Position a new cylinder head gasket to the crankcase.
6. Lower the cylinder head over the camshaft drive
chain rubbing blades and locate it onto the dowels .
. Ji(clutioll
Cylinder head bolts must never be reused and must
always be replaced if removed or loosened.
Use the correct procedure to tighten the cylinder head
bolts carefully following the three-stage procedure
below. This will ensure the long-term reliability of the
cylinder head gasket.
Failure to follow the correct tightening procedure or
reuse of old head bolts may lead to engine damage and
premature failure of the cylinder head gasket.
Z In the sequence shown below, tighten the cylinder
head bolts in three stages as follows:
6
Cylinder Head Bolt Tightening Sequence
8. In the sequence shown above, tighten bolts
through 8 to 20 Nm.
9. In the sequence shown above, tighten bolts
through 8 to 50 Nm.
SelVice Manual- Rocket Ill/ Classic / Touring
3.21