Hamilton Jet HJ241, Manual

Page: 61 / 202

5.1
Section 5
I
NSTALLATION
5.1 BASIC INSTALLATION
METHOD AND DRAWING
REFERENCES
FOR G.R.P. OR WOODEN HULLS:
Refer to Installation Drawings
HJ-241-08-001 In-
stallation Details GRP Hull .
The aluminium "Intake Block" [2] supplied with the
installation kit for fiberglassing into the G.R.P. and
wooden hulls.
The Intake Block is best fitted into the hull prior to
moulding. After moulding into the hull the Intake
Block is also bolted to the hull. For G.R.P. Hulls,
refer to the Installation Drawings which can be
found at the rear of this Section.
FOR ALUMINIUM HULLS:
Refer to Installation Drawing
HJ-241-08-002 In-
stallation Details Aluminium Hull.
The aluminium Intake Block [2] is supplied ready to
weld into a prepared opening in the hull bottom.
For further details contact C.W.F. Hamilton & Co.
Ltd.
It is assumed that the aluminium plating of the Hull
is one of the following types 5083, 5086, 6061,
6063, 6101, 6202, 6151, or 6951. If not consult
C.W.F. Hamilton & Co Ltd. The Intake Block is LM6
grade aluminium. Weld the Intake Block into the
Hull using the weld prcedure shown on
Drawing
85080 Aluminium Weld Procedure for Hamilton Jet
Installation or Repair.
Ensure that the contours
between the Hull and the Intake Block at front and
rear are smooth to within 1mm.
FOR STEEL HULLS:
Refer to Installation Drawing HJ-241-08-003 In-
stallation Details Steel Hull Sht1 & 2.
"Intake Block". (Part No. 202402).
Special installation is required to ensure that the Jet
Unit is totally insulated from the Hull.
An insulation kit is supplied to totally insulate the
Jet Unit from the Hull.
C
AUTION
Ensure that the engine cooling
water pick up is not directly
ahead of the Jet Unit Intake, but
well to the side to avoid turbulent
water flow into the Jet.