Yamaha YW50P Service Manual page 65

BATTERY I N S P E C T I O N
//
Volt meter
(v)
13.0
&
12.5
o
12.0
~, 11.5
0
Relationship between open-circuit
8 ° C )
i
5 6.5 ~0
Charging time(hours)
• This varies depending on the temperature, the state of
charge in battery plates and the electrolyte level.
3-25
I
INSP
Batteries g e n e r a t e e x p l o s i v e h y d r o g e n gas and
c o n t a i n e l e c t r o l y t e w h i c h is m a d e of p o i s o n -
o u s a n d h i g h l y c a u s t i c s u l f u r i c acid.
T h e r e f o r e , a l w a y s f o l l o w t h e s e p r e v e n t i v e
m e a s u r e s :
• W e a r p r o t e c t i v e eye gear w h e n h a n d l i n g or
w o r k i n g near b a t t e r i e s .
• C h a r g e b a t t e r i e s in a w e l l - v e n t i l a t e d area.
• Keep b a t t e r i e s a w a y f r o m fire, sparks or o p e n
f l a m e s (e.g., w e l d i n g e q u i p m e n t , l i g h t e d
c i g a r e t t e s ) .
• DO NOT SMOKE w h e n c h a r g i n g or h a n - d l i n g
b a t t e r i e s .
• KEEP BATTERIES A N D ELECTROLYTE O U T
OF REACH OF CHILDREN.
• A v o i d b o d i l y c o n t a c t w i t h e l e c t r o l y t e as it
can cause s e v e r e b u r n s or p e r m a n e n t eye
i n j u r y .
FIRST AID IN CASE OF BODILY CONTACT:
EXTERNAL
• S k i n ~ W a s h w i t h w a t e r .
• Eyes - - Flush w i t h w a t e r for 15 m i n u t e s and
g e t i m m e d i a t e m e d i c a l a t t e n t i o n .
INTERNAL
• D r i n k large q u a n t i t i e s of w a t e r or m i l k fol
l o w e d w i t h m i l k of m a g n e s i a , b e a t e n egg or
v e g e t a b l e oil. G e t i m m e d i a t e medical a t t e n -
tion.
3. Check:
• Battery c o n d i t i o n
Battery c o n d i t i o n c h e c k i n g steps:
• Connect a digital v o l t m e t e r to the b a t t e r y t e r -
minals.
I Tester (+) lead Battery (+) t e r m i n a l . I
Tester (-) lead Battery (-) t e r m i n a l .
I
NOTE:
The state of a d i s c h a r g e d MF b a t t e r y can be
checked by m e a s u r i n g o p e n circuit v o l t a g e (the
v o l t a g e m e a s u r e d w i t h the p o s i t i v e t e r m i n a l s
being d i s c o n n e c t e d ) .