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v1.0

Owner’s Manual

Fuel System - 22

Viking Sport Cruiser 61FY

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The Publisher’s Statements on
page i of this Owner’s Manual apply
to this chapter. Please read before
proceeding.

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Fuel System

This chapter outlines fuel system components and how
they integrate.

Major Topics:

Fuel system overview (and drawing)

23

Separ fuel filters

24

Backflushing

24

Fuel filters, Separ service

25

Refueling the vessel

26

TABLE OF CONTENTS

Summary of Contents for VSC 61 FY

Page 1: ...rations Fuel System Propulsion System Electrical System Electrical Safety Bilge Pumps Heating Cooling System Fire Emergency Corrosion Protection Subsystems Water System Sanitation System Vessel Care Addenda Service Numbers Directory VSC 61 FY Owner s Manual ...

Page 2: ... Owner s Manual apply to this chapter Please read before proceeding Fuel System This chapter outlines fuel system components and how they integrate Major Topics Fuel system overview and drawing 23 Separ fuel filters 24 Backflushing 24 Fuel filters Separ service 25 Refueling the vessel 26 TABLE OF CONTENTS ...

Page 3: ...t cools can result in condensation on the tank walls which combined with infil trating oxygen from the vents can promote bacterial growth Use antibacterial additives and keep tanks well filled Moni tor filters for water dirt and bacterial debris A vent from each tank allows air to escape or enter If the tank is overfilled fuel will spill out the vent particularly with boat motion so do not overfil...

Page 4: ...ly by backflushing the affected filter see next sec tion and your Separ manual Be very careful if backflushing a Separ while underway you are close to a spinning shaft and any fuel that might spill is a fire hazard Bleed Screw Clean Fuel Out Raw Fuel In Swirling action separates out dirt and water droplets which settle in the bowl Filter Element Water and dirt contaminated fuel can be drained into...

Page 5: ...ped by the pri mary fuel pump into a pair of MAN secondary fuel filters on the top of the engine beside the oil change pump These are spin on disposables turn clockwise to remove They must be replaced according to schedule every 200 hours or yearly The fuel pre cleaner which is part of the fuel primer pump requires the same service Clogged filters make engines difficult to start and reduce perform...

Page 6: ...ation Antibacterial additives In Florida especially fuel tanks become contaminated with microorganisms Algae coats the outside of the filter element causing filters to easily plug up particularly the primary fuel filter If the engines are starved of fuel because of clogged filters engine power is reduced and the piston rings may be damaged Be sure to always install a 30 micron element in the Separ...

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