Engine installation
63
Fixing positions
After final control and possible alignment and adjust-
ment, the engine and reverse gear must be fixed in
their correct locations with the aid of either wedges or
tapered guide pins. Holes are drilled through diago-
nally opposed engine and reverse gear brackets and
the bed. A suitable size for the tapered guide pins is
0.3-0.4" = 8-0 mm.
NOTE! This description is general. For more detailed
information see installation drawings for each engine.
If wedges are used, which is recommended for com-
mercial use, the wedges must be welded and the
surplus part cut off.
After the boat has been taken into use, check at reg-
ular intervals to ensure that no change has occurred
in alignment due to changes in the shape of the hull.
Poor alignment between the engine and the propeller
shaft can cause vibrations in the hull, reverse gear
damage, rapid wear of propeller shaft thrust bear-
ings, propeller shaft, bearing sleeve, etc.
After the correct amount of shims have been added
or the moulding compound has hardened but before
tightening the bolts check with a filer gauge that the
clearance is less than 0.0 mm (0.00394").
Tightening torques, 8:8 :
Bolt dimension
Nm (lb.ft.)
2 mm
80
(59)
4 mm
40
03)
6 mm
230
(70)
8 mm
300
(220)
20 mm
440
(324)
22 mm
600
(442)
24 mm
750
(553)
Содержание D11 series
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