Kohler COMMAND20=25HP User Manual download pdf (Page 12)

When element replacement is necessary order

genuine Kohler parts.

CH20-22

CH25

47083034

2408303-S

Clean Air Intake/Cooling Areas

To ensure proper cooling, make sure the flywheel

screen, cooling fins, and other external surfaces of the

engine are kept clean

at all times.

Every

700

hours of operation (more often under

extremely dusty, dirty conditions), remove the blower

housing and other cooling shrouds. Clean the cooling

fins and external surfaces as necessary. Make sure the

cooling shrouds are reinstalled.

NOTE: Operating the engine with a blocked flywheel

screen, dirty or plugged cooling fins, and/or

cooling shrouds removed, will cause engine

damage due to overheating.

Ignition System

This engine is equipped with an electronic CD ignition

system. Other than periodically checking/replacing the

spark plugs, no maintenance, timing, or adjustments

are necessary or possible with this system.

In the event starting problems should occur which are

not corrected by replacing the spark plugs, see your

Kohler Engine Service Dealer for trouble analysis.

Check Spark Plugs

Every

700

hours of operation, remove the spark plugs,

check condition, and reset the gap or replace with new

plugs as necessary.

Every

300

hours or annually

replace the spark plugs. Replacement spark plugs are

Kohler Part No. 12 132 02-S (Champion@ type

RCl2YC). 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 plugs in a

machine using abrasive grit. Some grit

could remain in the spark plug and enter

the engine causing extensive wear and

damage.

Check the gap using a wire feeler gauge. Adjust

the gap to

0.76

(0,030

in,) by carefully

bending the ground electrode. See Figure 10.

4. Reinstall the spark plug into the cylinder head.

Torque the spark plug to

24.4-29J

N-m

(78-22

ft.

lb,).

-/“IW

0.76

(0,030

in,) Gap

Ground

Electrode

Ygure

70,

Servicing Spark Plug,

Battery Charging

WARNING: Explosive Gas!

Batteries produce explosive hydrogen gas while being

charged.

prevent a fire or explosion, charge

batteries only in well ventilated areas. Keep sparks,

open flames, and other sources of ignition a way 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:

ON,

a spark will

occur at the ground cable terminal which could cause

an explosion if hydrogen gas or LP/gasoline fuel

vapors are present.

Charging of battery should be performed as outlined by

the original equipment manufacturer (OEM) in their

operator’s manual.

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Kohler COMMAND20=25HP User Manual Page 12

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