Kohler Command CV23 Owner's Manual - Page 14

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Check Spark Plugs

Every 200 hours of operation, remove the spark plugs,

check condition, and reset the gap or replace with new

plugs as necessary. The standard spark plug is a

Champion

RC12YC (Kohler Part No. 12 132 02-S). RFI

compliant engines use a Champion

Part No. 25 132 14-S) spark plug. A high-performance

spark plug, Champion

Series engines, Kohler Part No. 25 132 12-S) is also

available. Equivalent alternate brand plugs can also

be used.

1. Before removing the spark plug, clean the area

around the base of the plug to keep dirt and

debris out of the engine.

2. Remove the plug and check its condition. Replace

the plug if worn or reuse is questionable.

NOTE: Do not clean the spark plug in a machine

using abrasive grit. Some grit could

remain in the spark plug and enter the

engine causing extensive wear and

damage.

3. Check the gap using a wire feeler gauge. Adjust

the gap to 0.76 mm (0.030 in.) by carefully

bending the ground electrode. See Figure 16.

4. Reinstall the spark plug into the cylinder head.

Torque the spark plug to 24.4-29.8 N·m

(18-22 ft. lb.).

Wire Gauge

Spark Plug

Ground

Electrode

Figure 16. Servicing Spark Plug.

XC12YC (Kohler

Platinum 3071 (used on Pro

0.76 mm

(0.030 in.) Gap

Battery Charging

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.

Fuel System

WARNING: Fuel System Under Pressure!

The EFI fuel system operates under high pressure, and the fuel

filter and fuel line used must be approved system components

only. Use of substitute parts can result in system failure,

gasoline leakage and possible explosion.

Fuel Filter

Carbureted Engines: Most engines are equipped with

an in-line fuel filter. Periodically inspect the filter and

replace with a genuine Kohler filter every 200

operating hours.

EFI Engines: A special, high volume, high pressure

filter with greater filtration capabilities and internal

surface area is used. See Figure 17.

Fuel Filter

Fuel Line

Figure 17. EFI Fuel Filter and Line.

Replacement is recommended every 1500 hours, or

more frequently under extremely dusty or dirty

conditions. When replacement is necessary, always

use genuine Kohler parts.

Idle Speed

Adj. Screw

& Spring