Sea Ray 175 Sport Owner's Manual download pdf (Page 55)

4.2

SECTION 4 • BILGE & UNDERWATER GEAR

175 Sport

BILGE PUMP ASSEMBLY

(FIG. 4.2.1)

PUMP

DISCHARGE

IMPELLER

PUMP HEAD/

MOTOR ASSY

WATER INLET

LOCK TAB

BILGE BLOWER

(FIG. 4.2.2)

BLOWER

TO VENT UNDER

ENGINE COVER

D. BILGE BLOWER

To prevent buildup of gasoline fumes to the

explosive level in the engine compartment, the

bilge blower must be run for at least four (4)

minutes before starting the engine and kept

running at all times when the engine is running to

insure that there will be adequate ventilation when

you are moving slowly.

The bilge blower is protected by a fuse in the fuse

block located behind the control station (See Fig.

6.4.2).

1. MAINTENANCE

Frequently inspect the area under the float switches

to ensure they are free from debris and gummy bilge

oil. To clean, soak in heavy duty bilge cleaner for

10 minutes, agitating several times. Check for

unrestricted operation of the float. Repeat the

cleaning procedure if necessary.

Inspect the bilge pump intakes and keep them

free of dirt or material which may impede the

flow of water through the pump. To clean the

pump strainer, depress the lock tabs on both sides

of the pump and lift the pump motor.

Before starting the engine, press the bilge pump

switch so that the switch light comes ON. Make sure

the pump is working by opening the engine

compartment, listening to hear the pump running

and check to see that liquid is being pumped out

from the hull discharge (See Fig. 2.8.1). If the bilge

has more liquid than normal, see Maintenance

Section for locating and correcting the problem.

Except for checking the operation of the bilge pump

using the ON position, leave the switch in the OFF

(AUTO) position. In the OFF (AUTO) position, when

the bilge liquid is deep enough to activate the float

switch, the bilge pump turns on and pumps out the

bilge liquid until the float switch drops and shuts off

the pump.

If the liquid level in the bilge is higher than

normal and the bilge pump empties the bilge

when you use the ON switch, the float switch is

not operating properly. First check the Bilge

Pump fuse in the engine room, if that is ok check

float switch. If the ON switch does not operate

the pump, fuse under the control station has

blown, DO NOT use the boat until the problem

is corrected.

The bilge pump is protected by two fuses, one in

the fuse block located behind the control station

and the other in a fuse holder adjacent to the battery

(See Fig. 6.4.2).

BLOWER/

VENTILATION

HOSES

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Sea Ray 175 Sport Owner's Manual Page 55

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