Battery; Jump Starting; Charging Battery - Jacobsen AR-522 Parts & Maintenance Manual

4 MAINTENANCE
4.7

BATTERY ________________________________________________________________

Make absolutely certain the ignition switch is OFF position
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 the 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.
Always disconnect battery cables from battery and controller
connectors before performing and welding operation on the
mower.
4.8

JUMP STARTING __________________________________________________________

Before attempting to "jump start" the mower, check the
condition of the discharged battery. Section 4.7.
!
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.
4.9

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 4.7. Read the Battery and Charger's
manual for specific instructions.
16
Verify battery polarity before connecting or disconnecting
the battery cables.
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.
3. Make sure battery is properly installed and secured to
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 other
reproductive harm.
handling .
When connecting jumper cables:
1. Stop the engine on vehicle with 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 mower
with discharged battery.
After cables have been connected, start the engine on the
vehicle with the good battery then start the mower.
2. Whenever possible, remove the battery from the
mower before charging. If battery is not sealed, check
that the electrolyte liquid covers the plates in all the
cells.
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.
Wash your hands after