Toyota 7FBCU 15-55, Руководство пользователя, Страница: 33 / 80

1-6
I NSPECT I ON
1 . E l ec tr o l y t e i nspec ti on
Ba tt e r y e l ec tr o l y t e i s no r ma l when it i s tr anspa r en t .
Check t u r b i d it y when i nspec ti ng t he spec i f i c g r av it y . If it
canno t be checked c l ea rl y , pu t t he e l ec tr o l y t e i n a
beake r fo r i nspec ti on .
2 . Spec i f i c g r av it y i nspec ti on
Use a hyd r ome t e r and measu r e t he spec i f i c g r av it y of
t he e l ec tr o l y t e .
Spec ifi c grav i ty upon f u ll charge:
........................................ 1.280 [ 20
°
C ( 68
°
F ) ]
Spec ifi c grav i ty upon end o f d i scharge:
........................................ 1.150 [ 20
°
C ( 68
°
F ) ]
The spec i f i c g r av it y of t he e l ec tr o l y t e a t 20 ° C (68 ° F) i s
used as t he s t anda r d .
Equa ti on fo r conve r s i on
S
20
= S t +0 . 0007 ( t -20)
S
20
= Spec i f i c g r av it y a t 20
°
C
S t :Spec i f i c g r av it y measu r ed a t t
°
C
t :E l ec tr o l y t e t empe r a t u r e upon measu r emen t (
°
C)
* How t o use t he hyd r ome t e r
(1) Inse rt t he nozz l e of t he hyd r ome t e r i n t o t he
e l ec tr o l y t e po rt and a ll ow t he e l ec tr o l y t e t o be
sucked i n t o it s ou t e r t ube .
(2) Le t t he hyd r ome t e r f l oa t co rr ec tl y w it hou t
con t ac t w it h t he ou t e r t ube , t op o r bo tt om , and
r ead t he sca l e a t t he h i ghes t po i n t of t he
e l ec tr o l y t e su r face as ill us tr a t ed a t l ef t when
t he bubb l es i n t he e l ec tr o l y t e d i sappea r .
(3) Af t e r t he measu r emen t , wash t he i ns i de and
ou t s i de of t he hyd r ome t e r we ll w it h c l ea r
wa t e r and s t o r e it af t e r w i p i ng wa t e r off w it h
c l ean c l o t h .
Hyd r ome t e r
Ou t e r t ube
Nozz l e
Rubbe r
bu l b