Sea Ray 175 Sport Owner's Manual download pdf (Page 60)

175 Sport 5.1

SECTION 5 • FUEL SYSTEM

1. FUEL SYSTEM

Section 3 - Using Your Boat contains important

fueling information. Take time to read all the fuel

related information in the owner’s manual.

The 175 Sport standard gasoline fuel system

consists of a 21 gallon (79.5 liters) fuel tank, fuel

tank vent, an anti-siphon valve, engine fuel supply

line and fuel fill (Figure 5.1.1).

The fuel tank vent serves as a pressure/vacuum

release and safety overflow. The fuel vent is located

inside the fuel cap on the port side of the hull.

Periodically check the vent to assure it is not

clogged (Figure 5.1.1).

The gasoline engine fuel pick-up at the fuel tank

has an anti-siphon valve to prevent fuel from

siphoning out in the event of fuel line failure.

FUEL LINE ROUTING

(FIG. 5.1.1)

FUEL VENT

HOSE

Never start an engine until you are certain that fuel

fumes are not present in the engine compartment

or elsewhere in the boat.

! CAUTION

ENGINE

FUEL FEED

FUEL FILL

HOSE

FUEL TANK

A. ANTI-SIPHON VALVE

(INBOARD/OUTBOARD ENGINE ONLY)

The fuel pick-up at the fuel tank has an anti-siphon

valve to prevent fuel from siphoning out in the

event of line failure (Figure 5.1.2). In an

emergency situation, remove the anti-siphon valve

if the engine is not getting fuel.

NOTE: Replace with new anti-siphon valve or fuel

shut off valve as soon as possible as anti-siphon

protection is required by federal law.

ANTI-SIPHON VALVE

(FIG. 5.1.2)

TO ENGINE

ANTI-SIPHON VALVE OPEN

ANTI-SIPHON VALVE CLOSED

NO FUEL PUMP

SUCTION

FUEL FLOW

FROM FUEL

TANK

FUEL FLOW

FROM FUEL

TANK BLOCKED

SPRING PRESSURE PUSHES THE SEALING BALL CLOSED

ANTI-SIPHON

VALVE

FUEL VENT

DANGER

NOTICE

FUEL

FILL CAP

FUEL FILL

FUEL GAUGE

SENDER

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Sea Ray 175 Sport Owner's Manual Page 60

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