Electrical System; Battery Service - Case 921C Operator's Manual

ELECTRICAL SYSTEM

Battery Safety
WARNING: Before you service a battery, always wear face protection,
protective gloves and protective clothing. Battery acid or battery explosion
can cause serious injuries.
WARNING: Battery acid causes severe burns. Batteries contain sulfuric
acid. Avoid contact with skin, eyes or clothing. Antidote - EXTERNAL: flush
with water. INTERNAL: drink large quantities of water or milk. Follow with
milk of magnesia, beaten egg or vegetable oil. Call physician immediately.
EYES: flush with water for 15 minutes and get prompt medical attention.
WARNING: When the battery electrolyte is frozen, the battery can
explode if, (1) you try to charge the battery, or (2) you try to jump start and
run the engine. To prevent the battery electrolyte from freezing, try to keep
the battery at full charge. If you do not follow these instructions, you or
others in the area can be injured.
WARNING: Sparks or flame can cause hydrogen gas in a battery to
explode. To prevent an explosion, do the following:
1. When you disconnect the battery cables, always disconnect the
negative (1) battery cable first.
2. When you connect the battery cables, always connect the negative (-)
cable last.
3. Do not short circuit the battery posts with metal items.
4. Do not weld, grind, or smoke near a battery.

BATTERY SERVICE

NOTE: The electrical system in this
machine is 24 volts. Each battery is 12
volts.
Before you service components of the
electrical system, always disconnect
the NEGATIVE (-) battery cable.
Do not run the engine with the battery
c a b l e s d i s c o n n e c t e d o r w i t h t h e
alternator wires disconnected.
Before you use an electric welder,
d i s c o n n e c t t h e a l t e r n a t o r w i r e s ,
instrument cluster, and turn the master
disconnect switch to OFF.
Do not use a steam cleaner or cleaning
solvent to clean the alternator.
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