Yamaha F40F Owner's Manual download pdf (Page 96)

Maintenance

90

ies for different batteries. This procedure

contains typical checks that apply to many

batteries, but you should always refer to the

battery manufacturer’s instructions.

NOTICE

ECM01920

A poorly maintained battery will quickly

deteriorate.

1. Check the electrolyte level.

2. Check the battery’s charge. If your boat

is equipped with the digital speedome-

ter, the voltmeter and low battery alert

functions will help you monitor the bat-

tery’s charge. If the battery needs charg-

ing, consult your Yamaha dealer.

3. Check the battery connections. They

should be clean, secure, and covered by

an insulating cover. WARNING! Bad

connections can produce shorting or

arcing and cause an explosion.

[EWM01912]

EMU29334

Connecting the battery

WARNING

EWM00572

Mount the battery holder securely in a

dry, well-ventilated, vibration-free loca-

tion in the boat. Install a fully charged bat-

tery in the holder.

NOTICE

ECM01124

Do not reverse the battery cables. Other-

wise, the electrical parts could be dam-

aged.

1. Make sure the main switch (on applica-

ble models) is “ ” (off) before working

on the battery.

2. Connect the red battery cable to the

POSITIVE (+) terminal first. Then con-

nect the black battery cable to the NEG-

ATIVE (-) terminal.

3. The electrical contacts of the battery and

cables must be clean and properly con-

nected, or the battery will not start the

engine.

EMU29371

Disconnecting the battery

1. Turn off the battery cut-off switch (if

equipped) and main switch. NOTICE: If

they are left on, the electrical system

can be damaged.

[ECM01930]

2. Disconnect the negative cable(s) from

the negative (-) terminal. NOTICE: Al-

ways disconnect all negative (-) ca-

bles first to avoid a short circuit and

damage to the electrical system.

[ECM01940]

1. Red cable

2. Black cable

3. Battery

ZMU01811

1

2

3

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