Yamaha G19E Owner's/Operator's Manual page 26

D
G19E
Before charging: only add distilled
G
water if fluid is below the top of the
plates, and then add just enough to
cover plates.
After charging: check that the fluid
G
level is approximately 1/4 to 1/2
inch above the plates and 1/4 to 3/8
inch below the level indicator. If the
fluid level is low, carefully add dis-
tilled water. Adding distilled water
after charging prevents boil over.
å Battery cap
∫ Plates
A
ç Maximum fluid level
C
∂ Minimum fluid level
B
Normal tap water contains miner-
als which are harmful to a battery;
Y-829
therefore, refill only with distilled
water.
3. Using a hydrometer, check the
Temperature
Y-47
120
110
100
90
80
70
60
50
40
30
MAINTENANCE
CAUTION
specific gravity of the battery fluid
in each cell against the readings
on the chart below. Consult a
Yamaha dealer if any low readings
are found, or if readings vary more
than one point between cells.
Satisfactory Uncorrected
Hydrometer Reading
˚F ˚C
48.9
43.3
37.8
32.2
26.7
21.1
15.6
10.0
4.4
-1.1
1
2
3
4
5
6
7
8
9
10
1.244
1.248
1.252
11
1.256
1.260
1.264
1.268
1.272
1.276
1.280
8-4