Pearson P31-II Manuale utente

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November 22, 2002
For P31 owners who do not have the original owners manual, I felt that it was worthwhile to offer a copy of the on
that came with my 1991 P31-II #268. The dates on the pages and drawings imply that the manual was changed little
from 1998 on and is therefore applicable.
It also appears that Pearson used the same text for most of their manuals and inserted appropriate drawings for the
specific model being shipped. The general information should be useful to all Pearson owners.
The final page contains Keel Bolt torque values for Pearson Models 27 through P39
I used OCR (Optical Character Recognition) software to read the manual and convert it into Word 6.0. This allowed
me to keep the size of the file as low as possible for downloading. The pages that have drawings on them were
scanned as .bmp bit maps. These were inserted into the word document.
Bill Crane
P31-II Talaria

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TABLE OF CONTENTS
QUICK REFERENCE LOCATION SHEET
INTRODUCTION SECTION 1
INTRODUCTION 1.1
FORMAT 1.2
WARRANTY 1.3
OWNER RESPONSIBILITY 1.4
COMMISSIONING SECTION 2
INTRODUCTION 2.1
PRE-LAUNCH CHECKS 2.2
Hull Inspection 2.2.1
Machinery Inspection 2.2.2
Before Mast Is Stepped 2.2.3
Equipment On Board 2.2.4
POST-LAUNCH CHECKS 2.3
Hull Inspection 2.3.1
Electrical Inspection 2.3.2
Machinery Inspection 2.3.3
Rigging and Sails 2.3.4
Fresh Water System 2.3.5
Head System 2.3.6
Galley 2.3.7
OWNER RESPONSIBILITY 2.4
Mandatory Coast Guard Equipment 2.4.1
Recommended Safety Equipment 2.4.2
Ground Tackle 2.4.2.1

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Medical Kit 2.4.2.2
Tool Kit 2.4.2.3
Spare Parts 2.4.2.4
Additional Safety Equipment 2.4.3
Dealer Responsibility 2.4.4
YACHT SYSTEMS - SPARS AND RIGGING SECTION 3
MAST 3.1
Masthead Assembly 3.1.2
Spreaders and Standing Rigging 3.1.3
BOOM 3.2
Continuou3 Line Reefing (internal ) 3.2.1
DOCKSIDE TUNING 3.3
Before Mast is Stepped 3.3.1
While Stepping Mast 3.3.2
After Stepping Mast 3.3.3
Rake Adjustment 3.3.3.1
Side-to-Side Perpendicularity 3.3.3.2
UNDERWAY TUNING 3.4
Weather Helm 3.4.1
CARE AND MAINTENANCE 3.5
Rigging and Lines 3.5.1
Winches 3.5.2
YACHT SYSTEMS - POWER SECTION 4
GENERAL DESCRIPTION 4.1
DIESEL - OPERATION 4.2
Additional Controls 4.2.1

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Before Starting 4.2.2
Starting 4.2.3
Stopping 4.2.4
DIESEL - MAINTENANCE 4.3
Fuel Sanitation 4.3.1
Bacterial Contamination 4.3.2
Fuel Additives 4.3.3
FUEL SYSTEM - GENERAL DESCRIPTION 4.4
FUEL SYSTEM - FUELING 4.5
Before Fueling 4.5.1
Fueling Procedures 4.5.2
After Fueling 4.5.3
Oil Pan & Caution 4.5.4
PROPELLER AND SHAFT ASSEMBLY 4.6
Shaft Packing Gland 4.6.1
Adjustment 4.6.1.1
Shaft Coupling 4.6.2
Flex Coupling 4.6.2.1
To Disconnect Coupling 4.6.2.2
To Check Alignment 4.6.2.3
To Reconnect Coupling 4.6.2. 4
YACHT SYSTEMS - SECTION 5
GENERAL DESCRIPTION 5.1
Messenger Lines 5.1.1
BATTERY 5.2
Electrolyte Level 5.2.1
Discharged State 5.2.2
Clear Connections 5.2.3

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LIGHTNING PROTECTION & BONDING SYSTEMS 5.3
Bonding System 5.3.1
Lightning Protection System 5.3.2
UNDERWATER GALVANIC CORROSION 5.4
Electrolysis 5.4.1
Checklist 5.4.2
Propeller and Shaft 5.5.1
Electrical Switches 5.5.2
External Factors 5.5.3
YACHT SYSTEMS – STEERING SECTION 6
GENERAL DESCRIPTION 6.1
Wheel Steering System 6.1.1
Emergency Tiller 6.1.2
YACHT SYSTEMS – HULL SECTION 7
THRU-HULL FITTINGS 7.1
FRESH WATER SYSTEM 7.2
Hot/Cold Pressure Water System 7.2.1
Water System Maintenance 7.2.2
PROPANE SYSTEM 7.3
Operation 7.3.1
General 7.3.2
Head and Waste System 7.4
MAINTENANCE SUMMARY SECTION 8
INTRODUCTION 8.1
ROUTINE MAINTENANCE 8.2

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Topsides, Decks and Below Decks 8.2.1
Gelcoat 8.2.1.1
Wood Surfaces 8.2.1.2
Window Maintenance 8.2.1.3
Below The Waterline 8.2.2
Bottom Cleaning 8.2.2.1
Bottom Preparation 8.2.2.2
Bottom Painting 8.2.2.3
Winches 8.2.3
Spars And Rigging 8.2.4
Cleaning Wire Rope and Rigging 8.2.4.1
Cleaning Synthetic Rope 8.2.4.2
Rigging Inspection 8.2.4.3
Engine System 8.2.5
Electrical System 8.2.6
Steering System 8.2.7
LAYING UP 8.3
Before Hauling 8.3.1
After Hauling 8.3.2
FITTING OUT 8.4

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LIST OF ILLUSTRATIONS
TITLE FIGURE NUMBER
MASTHEAD ASSEMBLY 3.1.1
TYPICAL SPREADER INSTALLATION 3.1.2
RIGGING SCHEMATIC 3.1.3
CONTINUOUS LINE REEFING 3.2.1
MAST INSTALLATION 3.3.1
TIE ROD INSTALLATION 3.3.2
POWER SYSTEM SCHEMATIC 4.2
SHAFT ALIGNMENT 4.6
120 VOLT DC ELECTRICAL DIAGRAM 5.1
ELECTRICAL PANEL 5.2
BONDING SYSTEM 5.3
MAST AND INSTRUMENT WIRES 5.4
TRANSDUCER WIRE LEADS 5.4.1
EMERGENCY TILLER INSTALLATION 6.1
THRU-HULL LOCATION SCHEMATIC 7.1
FRESH WATER SYSTEM 7.2
TANK LOCATIONS 7.2.1
PROPANE SYSTEM SCHEMATIC 7.3
Y-VALVE, HOLDING TANK 7.4

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For your convenience the following list of important
locations on your Pearson has been included.
QUICK REFERENCE LOCATION SHEET
EMERGENCY TILLER IN SAIL LOCKER
HEAD INTAKE VALVE BELOW TRAP AT FWD END OF THE
STBD SETTEE
HEAD OVERBOARD DISCHARGE BELOW VANITY
VALVE
DISCHARGE SELECT VALVE BELOW VANITY
HOLDING TANK (24 gal.) BELOW V-BERTH
ENGINE RAW WATER INTAKE VALVE BELOW BUNK TRAP AFT OF ENGINE
BOX, STBD SIDE
ENGINE RAW WATER STRAINER BELOW ENGINE BOX FWD OF THE
VALVE ENGINE
PROP SHAFT PACKING NUT BELOW BUNK TRAP AFT OF ENGINE
BOX ON CENTERLINE
ENGINE OIL DIP STICK STBD SIDE OF ENGINE ACCESS
PANEL ON STBD SIDE OF ENGINE
BOX
TRANSMISSION OIL DIPSTICK ON TRANSMISSION ACCESS BELOW
TRAP AFT OF ENGINE BOX ON
QUARTERBERTH TOP
OVERFLOW RESERVOIR BOTTLE STBD SIDE OF ENGINE BELOW
ENGINE BOX COVER
FUEL TANK BELOW QUARTERBERTH BUNK TOP
AFT END
FUEL GAUGE ON FUEL TANK BELOW CUSHION
FUEL FILTER BELOW BUNK TRAP AFT OF ENGINE
BOX, STBD SIDE
FUEL “SHUT OFF” VALVE ON FUEL FILTER
PROPANE TANK PROPANE BIN, AFT END OF
COCKPIT, PORT SIDE
PROPANE SOLENOID PROPANE BIN
PROPANE SWITCH ON ELECTRICAL PANEL AT NAV
STATION ABOVE ICEBOX

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BATTERIES BELOW QUARTERBERTH, FWD END
BATTERY SELECT SWITCH QUARTERBERTH FRONT BETWEEN
ENGINE BOX AND BUREAU
DC ELECTRICAL PANEL ABOVE ICEBOX AT NAV STATION
AC ELECTRICAL PANEL ABOVE ICEBOX AT NAV STATION
SUMP PUMP BELOW VANITY
SUMP PUMP SWITCH HEAD LOCKER, FWD END
SUMP DISCHARGE VALVE BELOW PORT SETTEE, FWD END
PORT WATER TANK (20 gal.) BELOW PORT SETTEE, AFT END
STBD WATER TANK (20 gal.) BELOW STBD SETTEE, AFT END
PORT TANK "SHUT OFF" VALVE BELOW GALLEY SINK, PORT SIDE
STBD TANK "SHUT OFF" VALVE BELOW GALLEY SINK, STBD SIDE
FRESH WATER FILTER BELOW GALLEY SINK ON PRESSURE
WATER MANIFOLD
FRESH WATER PRESSURE PUMP BELOW GALLEY SINK
GALLEY SINK DRAIN BELOW GALLEY SINK
VANITY SINK DRAIN BELOW SETTEE, FWD END
ANCHOR LOCKER DRAIN ON BOW STEM
DECK DRAIN (PORT) SAIL LOCKER, FWD END
DECK DRAIN (STBD) LAZARETTE AREA, AFT OF
QUARTERBERTH BEHIND ACCESS
PANEL, STBD SIDE
COCKPIT DRAINS LAZARETTE AREA, AFT OF
QUARTERBERTH BEHIND ACCESS
PANEL, STBD SIDE
PROPANE BIN DRAIN LAZARETTE AREA, AFT OF
SAIL LOCKER BEHIND ACCESS
PANEL, STBD SIDE
ICEBOX DRAIN PUMP AT SINK, ACCESS DRAIN
FITTINGS BELOW ICEBOX
WATER FILL (PORT TANK) PORT SIDE DECK, MIDSHIP
WATER FILL (STBD TANK) STBD SIDE DECK, MIDSHIP
FUEL FILL COCKPIT COAMING, AFT PORT
END

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WASTE PUMP OUT ANCHOR LOCKER, BOTTOM
WATER TANK VENT (PORT) AFT END OF PORT SETTEE ON
BULKHEAD
WATER TANK VENT (STBD) AFT END OF STBD SETTEE ON
BULKHEAD
FUEL TANK VENT ON TRANSOM, UPPPER PORT
CORNER
HOLDING TANK VENT BELOW SHEER ON STBD HULL
SIDE ADJACENT TO HEAD AREA
PROPANE BIN VENT ON TRANSOM, UPPER STBD
CORNER
BILGE PUMP PORT COCKPIT COAMING
BILGE PUMP PICKUP B ELOW DUST BIN
BILGE PUMP DISCHARGE ON TRANSOM, LOWER STBD
CORNER
Indice
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