Hamilton Jet HJ241, Manual

Page: 5 / 202

C
ONTENTS
v
HJ-241 / HSRX
C
ONTENTS
Contents ..................................................................................... v
Introduction Warnings & Cautions ................................................................ ix
Limited Warranty ....................................................................... xi
Part A
Operator Information
1 Introduction & Product Description............................... 1.1
1.1 THE HAMILTON WATER JET SYSTEM....................................................... 1.1
1.1.1 Introduction .....................................................................................1.1
1.1.2 Main Components ............................................................................1.2
1.2 THE HAMILTON HSRX REVERSE SYSTEM................................................. 1.5
1.3 GENERAL ASSEMBLY DRAWINGS............................................................. 1.5
2 System Operation ........................................................... 2.1
2.1 STARTING UP ........................................................................................... 2.1
2.2 “AHEAD” / “ZERO SPEED” / “ASTERN” CONTROLS ................................. 2.1
2.3 STEERING ................................................................................................. 2.2
2.3.1 Total Hydraulic Failure ....................................................................2.3
2.4 MANOEUVERING AND DOCKING............................................................. 2.4
2.4.1 Low Speed Manoeuvering and Docking ............................................2.4
2.4.2 Moving Sideways .............................................................................2.4
2.5 CRUISING ................................................................................................. 2.6
2.6 SHALLOW WATER OPERATION ................................................................ 2.6
2.7 ACCELERATION TO HIGH SPEED.............................................................. 2.7
2.8 AERATED WATER..................................................................................... 2.7
2.9 BLOCKAGES (DEBRIS IN THE JET UNIT) ................................................... 2.7
2.9.1 Avoiding Blockages ..........................................................................2.7
2.9.2 Detecting Blockages .........................................................................2.7
2.9.3 Clearing Blockages ...........................................................................2.7
2.9.4 Using the Inspection Cover ..............................................................2.8
2.10 OPERATING WITH AN ENGINE AND JET UNIT OUT OF SERVICE........... 2.8
2.11 HSRX REVERSE SYSTEM ......................................................................... 2.9
Part B
Design and Installation
Information
3 Design Basics .................................................................. 3.1
3.1 PROPULSION SYSTEM DESIGN ................................................................. 3.1
3.2 HULL DESIGN ........................................................................................... 3.1
3.2.1 Hull Loads ........................................................................................3.1
3.2.2 Mono Hulled Vessel .........................................................................3.4
3.2.3 Multi Hulled Vessel ..........................................................................3.5
3.2.4 Trim Tabs ........................................................................................3.6
3.3 DRIVELINES .............................................................................................. 3.7
3.3.1 Requirement of the Driveline ............................................................3.7
3.3.2 Engineering Checks ..........................................................................3.7
3.3.3 Drive Shaft Options ..........................................................................3.8
3.3.4 Universal Driveshaft Alignment ........................................................3.9
3.3.5 Jet Coupling Flange Details .............................................................3.11
3.3.6 Moments of Inertia .........................................................................3.11
3.3.7 Critical Speed of Mainshaft ............................................................3.11
3.4 JET MAINSHAFT ALIGNMENT................................................................. 3.12
3.5 WATER OFF-TAKE.................................................................................. 3.13
3.6 HSRX REVERSE SYSTEM DESCRIPTION .................................................. 3.14
3.6.1 Basic Hydraylic Circuit ...................................................................3.14
3.6.2 Layout of Components ...................................................................3.15
3.6.3 Scope of Supply .............................................................................3.15
3.7 ENGINE LOCATION & MOUNTING ......................................................... 3.15
3.7.1 General ..........................................................................................3.15
3.7.2 Mounting .......................................................................................3.15
3.7.3 Cooling ..........................................................................................3.15
3.7.4 Engine Systems ..............................................................................3.16
3.7.5 Exhaust Systems ............................................................................3.16
3.7.6 Governor Settings ...........................................................................3.16
3.8 DESCRIPTION OF THE DRY RUN SYSTEM (OPTIONAL EXTRA) .............. 3.17
3.8.1 Installation .....................................................................................3.17
INTRODUCTION