PERIODIC MAINTENANCE
Periodic Maintenance Procedures
12/05
6LY3 Service Manual
4-13
© 2007 Yanmar Marine International
Check the Following Battery Items:
1. Terminals
Clean if corroded or soiled.
2. Mounting Bracket
• Repair or replace if corroded.
• Tighten if loose.
3. Battery Appearance
• Replace the battery if cracked or deformed.
• Clean with fresh water if contaminated.
Figure 4-10
Figure 4-10
1 – Float
Hydrometer Parts
Figure 4-1 1
Figure 4-11
1 – Rubber Bulb
2 – Glass Tube
3 – Float
How to Read a Hydrometer
Figure 4-1 2
Figure 4-12
Specific Gravity and Remaining Battery Charge
Specific
Gravity
(20°C) (68°F)
Discharged
Quantity of
Electricity (%)
Remaining
Charge
(%)
1.28 0 100
1.26 10 90
1.24 20 80
1.23 25 75
0006167
(1)
0006168
(3)
(2)
(1)
0006169
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