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8.16
Section 8
Electrical System and Components
DC Voltmeter
Battery
Battery
General
A 12 volt battery (not furnished) with a minimum
current rating of 160 (CS4, CS6) or 200 (CS8.5-12)
cold cranking amps should be sufficient for cranking
most electric start engine models. The actual cold
cranking requirement depends on engine size,
application and starting temperatures. Cranking
requirements increase as temperatures decrease and
battery capacity shrinks. Refer to the operating
instructions of the equipment this engine powers for
specific battery requirements.
If the battery charge is not sufficient to turn over the
engine, recharge the battery.
Battery Maintenance
Regular maintenance is necessary to prolong battery
life.
WARNING: Explosive Gas!
Batteries produce explosive hydrogen gas while being
charged. To prevent a fire or explosion, charge
batteries only in well ventilated areas. Keep sparks,
open flames, and other sources of ignition away from
the battery at all times. Keep batteries out of the reach
of children. Remove all jewelry when servicing
batteries.
Before disconnecting the negative (-) ground cable,
make sure all switches are OFF. If ON, a spark will
occur at the ground cable terminal which could cause
an explosion if hydrogen gas or gasoline vapors are
present.
1. Regularly check the level of electrolyte. Add
distilled water as necessary to maintain the
recommended level.
NOTE: Do not overfill the battery. Poor
performance or early failure due to loss
of electrolyte will result.
2. Keep the cables, terminals, and external surfaces
of the battery clean. A build-up of corrosive acid or
grime on the external surfaces can cause the
battery to self-discharge. Self-discharge occurs
rapidly when moisture is present.
3. Wash the cables, terminals, and external surfaces
with a mild baking soda and water solution. Rinse
thoroughly with clear water.
NOTE: Do not allow the baking soda solution to
enter the cells as this will destroy the
electrolyte.
Battery Test
To test the battery, you will need a DC voltmeter.
Perform the following steps (See Figure 8-20).
1. Connect the voltmeter across the battery
terminals.
2. Crank the engine. If the battery drops below 9
volts while cranking, the battery is discharged or
faulty.
Figure 8-20. Battery Voltage Test.
Summary of Contents for COMMAND PRO CS10
Page 1: ...SERVICE MANUAL COMMAND PRO CS SERIES 4 12 HP HORIZONTAL CRANKSHAFT...
Page 20: ...1 18 Section 1 Safety and General Information...
Page 24: ...2 4 Section 2 Special Tools...
Page 48: ...6 4 Section 6 Lubrication System...
Page 54: ...7 6 Section 7 Retractable Starter...
Page 84: ...8 30 Section 8 Electrical System and Components...
Page 106: ...9 22 Section 9 Disassembly...