Invacare   Storm Arrow Service Manual page 12

When reading a hydrometer, DO NOT al-
T
low any liquid to come in contact with
R
your eyes or skin. It is a form of acid and
O
can cause serious burns, and in some
U
cases, blindness. If you do get battery acid
B
on you, flush the exposed areas with cool
L
water IMMEDIATELY. If the acid comes into
E
S contact with eyes or causes serious burns,
H
get medical help IMMEDIATELY.
O
The battery acid can damage your wheel-
O
chair, clothing, and household items.
T
Therefore, take readings cautiously and
I
only in designated areas.
N
G
ONLY use distilled water when topping off
the battery cells.
Most batteries are not sold with instructions.
However, warnings are frequently noted
on the cell caps. Read them carefully.
Number of Floating Balls
WARNING
FIGURE 2 - USING HYDROMETER TO CHECK
BATTERY CELLS (LEAD ACID)
MOTOR TESTING (FIGURE 3)