PERIODIC MAINTENANCE
4-4
BY Service Manual
Before You Begin Servicing
A
DANGER
CRUSH HAZARD!
• When you need to transport an engine
for repair, have a helper assist you to
attach it to a hoist and load it on a
truck.
• NEVER stand under a hoisted engine.
If the hoist mechanism fails, the
engine will fall on you, causing death
or serious injury.
• Failure to comply will result in death or
serious injury.
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A
WARNING
SEVER HAZARD!
• Keep hands and other body parts
away from moving / rotating parts
such as the flywheel or PTO shaft.
• Wear tight fitting clothing and keep
your hair short or tie it back while the
engine is running.
• Remove all jewelry before you operate
or service the engine.
• NEVER start the engine in gear.
Sudden movement of the engine
and / or vessel could cause death or
serious personal injury.
• NEVER operate the engine without the
guards in place.
• Before you start the engine make sure
that all bystanders are clear of the
area.
• Keep children and pets away while the
engine is operating.
• Check before starting the engine that
any tools or shop rags used during
maintenance have been removed from
the area.
• Failure to comply could result in death
or serious injury.
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Summary of Contents for 4BY
Page 1: ...BY series 4BY 6BY SERVICE MANUAL ...
Page 2: ...BY Service Manual BY series SERVICE MANUAL 4BY 6BY P N 0BBY0 G00100 MARINE ENGINES ...
Page 5: ...TABLE OF CONTENTS iv 4BY 6BY Service Manual This Page Intentionally Left Blank ...
Page 7: ...INTRODUCTION 1 2 BY Service Manual This Page Intentionally Left Blank ...
Page 21: ...SAFETY 2 14 BY Service Manual Safety Precautions This Page Intentionally Left Blank ...
Page 131: ...FUEL SYSTEM 6 2 BY Service Manual This Page Intentionally Left Blank ...
Page 159: ...FUEL SYSTEM 6 30 BY Service Manual Repair This Page Intentionally Left Blank ...
Page 161: ...COOLING SYSTEM 7 2 BY Service Manual This Page Intentionally Left Blank ...
Page 181: ...COOLING SYSTEM 7 22 BY Service Manual Repair This Page Intentionally Left Blank ...
Page 183: ...LUBRICATION 8 2 BY Service Manual This Page Intentionally Left Blank ...
Page 199: ...LUBRICATION 8 18 BY Service Manual Repair This Page Intentionally Left Blank ...
Page 201: ...TURBOCHARGER 9 2 BY Service Manual This Page Intentionally Left Blank ...
Page 211: ...TURBOCHARGER 9 12 BY Service Manual Repair This Page Intentionally Left Blank ...
Page 213: ...STARTER MOTOR 10 2 BY Service Manual This Page Intentionally Left Blank ...
Page 221: ...ALTERNATOR 11 2 BY Service Manual This Page Intentionally Left Blank ...
Page 261: ...ELECTRICAL AND ECU 12 34 BY Service Manual Repair This Page Intentionally Left Blank ...
Page 263: ...TROUBLESHOOTING 13 2 BY Service Manual This Page Intentionally Left Blank ...