Generac Power Systems GTV99O Service Manual page 38

SECTION 5: ELECIRIC STARTER
USE ATEMPERATURE
COIVIPENSATED
HYDROMETER
CHECK EACH CELL
AFTER CHAFGING
Figute 5-6. Che.king 12 Volt Batbry Ce s
CAUTION: Do not crank start€r motor tor mor€ than
'15 s€conds without allowing start€r motor to.ool
at least 2 minutes,
TESTING EATTERt
set a digibl rnultimeter to read Dc Volts.
Attach RED meter test lead to positive(+) battery terminal.
Attach BLACK meter test lead to negative C) batteryterminal.
With ignition switch "OFF," press staner button. lf ignition
switch and starter switch are the same switch, disconned
wires fro.n spafk plugs and ground ign tion usingtwo lgnition
Testers. Turn switch to "START." Meter should display 9 volts
or morewhile cranking engine- lf lessthan 9 volts k measured,
replace battery.
EATTERY RECOMT!4ENDATIONS:
The battery size rccommended is 525 CCA@o.
EATTERY CAELE RECOMMENDAT]ONS:
These cablesizesare based on totallength of cable from bat
tery positive post to starteL plus ground return to battery
negative post.
#4 AWG - 1.2 m (6 ft.)or less
t2 AWG - 2.4 m (12 ft.)or less
6-4