Toro Groundsmaster 5900 Series Service Manual page 407

Battery Charging (continued)
Groundsmaster ® 5900 & 5910
16227SL Rev B
Do not charge a frozen battery because it can explode and cause
injury. Let the battery warm to 16 ºC (60 ºF) before connecting to
a charger.
Charge the battery in a well−ventilated place to dissipate gases
produced from charging. These gases are explosive; keep open
flame and electrical spark away from the battery. Do not smoke.
Nausea may result if the gases are inhaled. Unplug the charger from
the electrical outlet before connecting or disconnecting the charger
leads from the battery posts.
4. Following the battery charger manufacturer's instructions, connect the
charger cables to the battery. Make sure a good connection is made.
5. Charge the battery following the battery charger manufacturer's instructions.
6. Occasionally check the temperature of the battery. If the temperature
exceeds 52 ºC (125 ºF) or the electrolyte is violently gassing or venting, the
charging rate must be lowered or temporarily stopped.
CAUTION
Page 6–145 Electrical System: Service and Repairs