Kubota SQ-1120 Operator's Manual page 48

A When charging the battery, ensure
the vent caps are securely in place (if
equipped).
A When disconnecting the cable from
the battery, start with the negative
terminal, and when connecting them,
start with the positive terminal first.
A DO NOT check the battery charge by
placing a metal object across the
terminals. Use
hydrometer.
1. Make sure that each electrolyte level is to the bottom
of vent wells, if necessary, add only distilled water in a
well-ventilated place.
(1) Battery electrolyte level
2. To slow charge the battery, connect the charger
positive terminal to the battery positive terminal, and
the negative to the negative, then recharge in the
normal manner.
3. Quick recharging charges the battery at a high rate in
a short time. This is only for emergencies.
4. Recharge the battery as early as possible, or battery
life will be extremely shortened.
5. When exchanging an old battery for a new one, use a
battery of equal specifications shown in page 2.
a voltmeter
(A) "TOO LOW"
(B) "PROPER"
(C) "TOO HIGH"
or
(1) Thick cable red (+)
(2) Battery case
(3) Negative / ground cable black (-)
(4) Plug
A Connect the charger positive terminal to the battery
positive terminal, and negative to the negative.
A When disconnecting the cable from the battery, start
with the negative terminal first.
When connecting the cable to the battery, start with
the positive terminal first.
If reversed, the contact of tools on the battery may
cause a shortage.
PERIODIC SERVICE
(A) "HIGHEST LEVEL"
(B) "LOWEST LEVEL"
33