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BMW 630CS - Page 72

BMW 630CS
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72 Battery, cooling system
Every 7500 km (5000 miles) or at least
once a month, battery acid level should
be checked. Remove the battery top
cover and unscrew the 6 cell plugs. The
acid level should be about 5 mm (0.2 in)
above the top of the plates in each cell, or
up to the level mark visible inside the cell.
lf acid level has fallen too low, add
disti l led water (not acid).
Keep the upper part of the battery clean
and dry.
Warning: Never allow acid or lead oxide
from the terminals of the battery to reach
the clothing. Never bring a naked light
close to the battery, as there is a risk of
explosion.
To remove and jnsta[l the battery, un-
screw und tighten the toggle handle
holding the clamp rail.
Apart from regular checking of coolafi:
level and antifreeze and corrosicx-
inhibiting properties (minimum concer-
tration 35°/o all the year round), and alsc
of hoses and hose connections, we re-
commend draining and refilling the coo]-
ing system completely every 2 years. A:
the same time, check the radiator over-
flow tank cap for leakage and correc:
operation of the pressure relief anc
vacuumvalve.
TOFd:o:Jig,go:ysltfTt:nÉ'T2diTlg,t#.h;.Fnttes[
12.7 US quarts).
To drain the coolant:
Loosen the hose clip at the lower radiator
stub pipe, and pull off the hose.

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