Engines With Twindisc Seaprop® Sail Drive; Engines With Alamarin® Water-Jet Propulsion Unit - FNM HPE Series Installation Manual

4.4 Engines with Twindisc Seaprop® sail drive
For the installation of the engine supplied with Seaprop® sail
drive, carefully follow the manufacturer's installation manual
supplied with the drive. Please also consider the following
information.
The engine installation to the drive must only be performed
after connecting the drive in position inside the boat. For the
drive mounting information refer to the manufacturer's manual.
Proceed as follows:
1. Lift the engine and keep it suspended above the side
members. Make sure the engine is level when suspended.
For the criteria for handling the engine, refer to the paragraph
3.2 - Engine Disassembling and Handling on page 7.
2. Lower the engine in the hull position making it go down
slowly.
3. Install flexible mountings at the front of the engine (see
paragraph 4.1 – Anti-vibration mounts on page 14). Do
not tighten the nuts of the supports , or the supports to the
side members.
The supports tightening must be performed only at
the end of this procedure.
4. Move the engine and adjust the supports to align the
engine bell with the drive bell, as in the figure below.
Make sure that the drive grooves fit properly within the
flexible coupling mounted on the flywheel.
Figure 17 - Approaching the engine to the sail drive already installed
5. Bring the two bells into contact, then tighten the screws
loosely, so that it is possible to make further adjustments.
6. Adjust the front anti-vibration mounts bringing them into
contact with the side members .
7. After the alignment, tighten the screws that connect the
two bells. Only after tightening the supports to the engine
and to the side members.
It is necessary to recheck the engine alignment:
at least 24 hours after installation, with the boat
-
in the water, during the sea trial.
after 30h during the first service.
-
Continue the installation of the drive as explained in the
installation manual of the manufacturer.
4.5 Engines with Alamarin® water-jet
propulsion unit
For the installation of the engine supplied with Alamarin®
water-jet propulsion unit carefully follow the manufacturer's
installation manual supplied with the water-jet Please also
consider the following information.
The engines of the HPE range can be connected to the water-
jet propulsion unit in two modes, depending on the size of the
engine:
Engine Coupling type
1.3 HPE
Flange with bearings
1.9/2.4 HPE Flange with bearings
3.0 HPE Flange with bearings
In both cases, the installation provides the connection between
the engine and water-jet propulsion unit through a lineshaft
that rotates at the same speed of the crankshaft.
Apply a cover to the lineshaft to prevent operator
access to the moving parts during operation.
Failure to follow this warning can result in a
hazard to the health of the boat users.
FNM® Series HPE – Installation Manual – 19
Jet Alamarin®
models
Direct
160 / 180 / 185
245 / 288
230