Battery, Battery cables – Mercury INSTALLATION MANUAL D7.3L D-TRONIC User Manual
Page 14
D7.3L D-TRONIC DIESEL ENGINES - BRAVO MODELS
Page 14 of 90
Battery
IMPORTANT: Boating industry standards (BIA, ABYC, etc.) federal standards and
Coast Guard regulations must be adhered to when installing battery. Be sure battery
cable installation meets the pull test requirements and that positive battery terminal
is properly insulated in accordance with regulations.
IMPORTANT: It is recommended (required in some states) that battery be installed in
an enclosed case. Refer to regulations for your area.
IMPORTANT: Engine electrical system is negative (–) ground.
Select a battery that meets all of the following specifications:
•
12-volt marine type.
•
Tapered post connectors or side terminal connectors. Do
not use a battery with wing nut
connectors.
•
Battery capacity rating of at least:
Engine
(Cyl./type)
Minimum Required Cranking
Battery Size
8 / V, D7.3L D-Tronic and D7.3L D-Tronic LD
1500 cca, 1920 mca or 300 Ah
Battery Cables
Select proper size positive (+) and negative (–) battery cables, using chart. Battery should
be located as close to engine as possible.
IMPORTANT: Terminals must be soldered to cable ends to ensure good electrical
contact. Use electrical grade (resin flux) solder only. Do not use acid flux solder, as
it may cause corrosion and a subsequent failure.
Battery Cable Length
Minimum Cable
Gauge
Up to 3 ft. (0.9m)
2 ( 35mm
2
)
3 - 3-3/4 ft. (0.9 - 1.1m)
1 ( 50mm
2
)
3-3/4 - 4-3/4 ft. (1.1 - 1.4m)
0 ( 50mm
2
)
4-3/4 - 6 ft. (1.4 - 1.8m)
00 ( 70mm
2
)
6 - 7-1/2 ft. (1.8 - 2.3m)
000 ( 95mm
2
)
7-1/2 - 9-1/2 ft. (2.3 - 2.9m)
0000 (120mm
2
)
9-1/2 - 12 ft. (2.9 - 3.7m)
Y
00 ( 70mm
2
)
12 - 15 ft. (3.7 - 4.6m)
Y
000 ( 95mm
2
)
15 - 19 ft. (4.6 - 5.8m)
Y 0000 (120mm
2
)
Y :Two cables of specified gauge required for positive and two required for negative.