
IMPORTANT: An ATC fuse has the fuse element enclosed or sealed inside the
plastic housing. This type of fuse must be used for marine applications. Marine
applications are exposed to environments that may have the potential to
accumulate explosive vapors. ATO fuses have exposed elements and should
never be used in marine applications.
a -
Nuts
b -
Clean power harness
c -
Cable tie
d -
Good fuse
e -
Open fuse
BATTERY CONNECTIONS
IMPORTANT: The engine electrical system is negative (–) ground.
When connecting the engine battery, hex nuts must be used to secure the
battery leads to the battery posts. Tighten the hex nuts to the specified torque.
Description
Nm
lb‑in.
lb‑ft
Battery hex nuts
13.5
120
–
ORDER OF CONNECTION
Connect the battery cables in the following order:
1. All jumpers between parallel, multiple battery packs
2. From the batteries to the positive (+) engine lead
3. From the batteries to the positive (+) clean power
4. From the batteries to the negative (–) engine lead
5. From the batteries to the negative (–) clean power
6. From the batteries or main ground (–) bus to the negative (–) starboard
helm main power relay
b
a
c
64518
d
e
MAINTENANCE
56
eng
Содержание 300R HD CMS Mechanical
Страница 1: ...Operation and Maintenance Manual 2018 Mercury Marine 300R HD CMS Mechanical 8M0140585 518 eng...
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Страница 45: ...NOTE Exceeding 4250 RPMs the engine PCM will begin Engine Guardian protection FEATURES AND CONTROLS eng 35...