Battery; Jump Starting; Charging Battery - Jacobsen R-311T Parts & Maintenance Manual

4 MAINTENANCE
4.9

BATTERY ________________________________________________________________

Make absolutely certain the ignition switch is OFF and the
key has been removed before servicing the battery.
CAUTION
!
Always use insulated tools, wear protective glasses or
goggles, and protective clothing when working with
batteries. You must read and obey all battery
manufacturer's instructions.
Tighten cables securely to battery terminals and apply a
light coat of silicone dielectric grease to terminals and cable
ends to prevent corrosion. Keep vent caps and terminal
covers in place.
Check the electrolyte level every 100 hours. Keep the cable
ends, battery, and battery posts clean.
Verify battery polarity before connecting or disconnecting
the battery cables.

4.10 JUMP STARTING __________________________________________________________

Before attempting to "jump start" the mower check the
condition of the discharged battery. See Section 4.9
WARNING
!
Batteries generate explosive hydrogen gas. To reduce
the chance of an explosion, avoid creating sparks near
battery. Always connect the negative jumper cable to the
frame of the mower with the discharged battery away
from the battery.

4.11 CHARGING BATTERY _____________________________________________________

WARNING
!
Charge battery in a well ventilated area. Batteries
generate explosive gases. To prevent an explosion,
keep any device that may create sparks or flames away
from the battery.
To prevent injury, stand away from battery when the
charger is turned on. A damaged battery could explode.
1. Refer to Section 4.9. Read the Battery and Charger's
manual for specific instructions.
2. Whenever possible, remove the battery from the
mower before charging. If battery is not sealed, check
that the electrolyte covers the plates in all the cells.
en-22
1. When installing the battery, always assemble the RED,
positive (+) battery cable first and the ground, BLACK,
negative (-) cable last.
2. When removing the battery, always remove the
ground, BLACK, negative (-) cable first and the RED,
positive (+) cable last.
Make sure battery is properly installed and secured to
3.
the battery tray.
WARNING
!
Battery posts, terminals, and related accessories
contain lead and lead compounds, chemicals known to
the State of California to cause cancer and reproductive
harm. Wash your hands after handling.
When connecting jumper cables:
1. Stop the engine on the vehicle with a good battery.
2. Connect RED jumper cable to the positive (+) terminal
on the good battery and to the positive (+) terminal on
the "discharged" battery.
3. Connect the BLACK jumper cable from the negative (-
) terminal on the good battery to the frame of the mower
with the discharged battery.
After cables have been connected, start the engine on the
vehicle with the good battery then start the mower.
3. Make sure the charger is "Off". Then connect the
charger to the battery terminals as specified in the
charger's manual.
4. Always turn the charger "Off" before disconnecting
charger from the battery terminals.