Filling And Charging The Battery; Disengaging And Raising The Fuel Tank - BMW R 1150 GS Repair Manual

Filling and charging the battery

Disengaging and raising the fuel tank

•
Remove seat.
•
Remove right side trim.
e
Caution:
Fuel is flammable and a hazard to health. Observe
relevant safety regulations.
•
Remove the fastener securing the fuel tank at the
rear right.
•
Raise the rear of the fuel tank and prop it in this
position on a wooden block or similar.
Filling and charging the battery
d
Warning:
Battery acid is highly caustic.
Protect your eyes, face, hands, clothing and the
paintwork.
•
Disengage the rubber strap holding the battery.
•
Disconnect the battery breather hose.
•
Remove the battery.
•
Fill all the cells with pure battery acid of
density 1.28 to the upper mark.
•
Allow the battery to stand for approximately
30 minutes.
•
The battery does not achieve full charge capacity
from being filled, so it has to be charged with a
battery charger.
00.18
L
Note:
Follow the instructions for use supplied with the bat-
tery charger.
Charge current (amps)
......................... 10 % of rated battery capacity (Ah)
Charging time
..............................................................5-10 hours
•
Battery charge can be measured by checking
the density of the battery acid.
Acid density
Battery fully charged .......1.26-1.30 at 20 °C (68 °F)
•
Shake the battery slightly to allow the gas bub-
bles to escape.
•
Wait until the battery acid has settled, check that
no more bubbles rise and if necessary, top up
the acid to the max. mark.
•
Reinstall the plugs.
•
Make a note of the charging date on the battery.
e
Caution:
Connect the positive battery terminal first, then the
negative terminal.
•
Install the battery.
•
Apply acid-proof grease to the battery terminal
posts.
•
Connect the battery breather line.
•
Secure the fuel tank in position.
•
Install the right side trim panel.
•
Install the seat.
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