Battery - Filling With Acid; Battery - Charging; Battery Brake Fluid Level - BMW K75 Repair Manual

Battery-filling with acid (only immed iately before delivery)
• Only fill the battery with acid shortly before it is needed.
• Unscrewthe stoppers.
• Fill the batterywith pure accumulatorsulphuric acid (to VDE 051 0, density: 1.28 kg/l, at 20°C acid temperature) upto
the specified level (MAX mark).
• Allow the batteryto stand for app. 1 hour (the chemical reaction generates heat. Max. temperature 40°C, otherwise
there is a risk of short-circuiting between the plates), then shake gently or tilt (to expel air) and top up acid to the .
correct level if necessary.
• Screw in stoppers loosely (only tighten once the battery has been charged).
• When the dry, pre-charged battery is first filled with acid , it will produce only app . 60% of its rated output. Chargi ng is
therefore essential.
00 - 22.0
Battery - charging
Warning:
Max. charging current must not exceed 10
%
o(
the baffery
capacity.
Example:
25 Amp/h battery
=
max. 2.5 Amp charging curren!.
Charging time
=
5 .. . 10 hours
• Battery charge can be determined by measuring the
acid density.
• Acid density when battery fully charged
= 1.26 ... 1.30 kg/l at 20°C.
• Shake the battery gently after charging so that any gas
bubbles rise to the surface.
• When the fluid has settled again, top up battery acid to
MAX. mark if necessary. Screw the stopper in firmly.
• Connect up breather line.
Brake fluid level:
The brake fluid reservoirs atthe front ...
... rear must befil led to between the MIN and MAX
marks only
1 • • • • 1
and K 75 s) .
Brake fluid level must never be allowed to fall below the
MIN mark, as air may otherwise penetrate into the brake
system. Only use quality grade DOT 4 brake fluid if
topping up is necessary.
8.87