Honda EU3000is Owner's Manual page 61

Battery Installation
1.Install the battery in the generator.
2.Connect the battery positive (+) cable to the battery positive (+)
terminal first and tighten the bolt securely.
3.Slide the battery boot over the positive (+) cable and terminal.
4.Connect the battery negative (–) cable to the battery negative (–)
terminal, and tighten the bolt securely.
5.Install the battery rubber and the battery holder band.
6.Install the front cover, and install the four 6 mm cap nuts, making
sure the four collared washers are placed in the rubber grommets
inside the cover.
BATTERY BOOT
POSITIVE (+)
CABLE
SERVICING YOUR GENERATOR
BATTERY HOLDER BAND
BATTERY RUBBER
NEGATIVE (–)
CABLE
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