Kohler COURAGE SV710-740 Manual do Proprietário - Página 11
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NOTE:
Operating
the engine with a blocked grass
screen, dirty or plugged
cooling fins, and/or
cooling shrouds
removed,
will cause engine
damage due to overheating.
ignition System
These engines use an electronic
Capacitive
Discharge
(CD) ignition
system. Other than periodically
checking/replacing
the spark plugs, no maintenance,
timing, or adjustments
are necessary
or possible
with
this system.
Check
Spark
Plugs
Every 100 hours of operation,
remove tile spark plugs,
check condition,
and reset the gap or replace with new
plugs as necessary.
The standard
Courage
spark plug
is a Champion ®RC12YC (Kohler Part No.
12 132 02-%. RFI compliant
engines
use a Champion
®
XC12YC (Kohler Part No. 25 132 14-S) spark plug. A
high-performance
spark plug, Champion _ Platinum
3071 (Kohler Part No. 25 132 12-S) is standard
on
Courage
PRO models. 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.
Battery Charging
WARNING:
Explosive
GasY
Batteries produce explosive hydrogen gas while being
charged. To prevent afire 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
Fuel Filter
Some engines are equipped
with an in-line fuel filter.
Periodically
inspect the filter and replace with a
genuine
Kohler filter every 100 operating
hours.
Fuel Line
In compliance
with CARB Tier III Emission
Regulations,
these engines use Low Permeation
SAE 30 R7 rated fuel line; certified to meet CARB
requirements.
Standard
fuel line may not be used.
Order replacement
hose by part number
through
a
Kohler Engine Service Dealer.
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
tile gap to 0.76 mm (0.030 in.) by carefully
bending
the ground
electrode.
See Figure 14.
Figure 15. Low Permeation
Fuel Line.
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
0.76 mm
Electrode
(0.030 in.) Gap
Figure 14. Servicing
Spark Plug.
Carburetor
Troubleshooting
and
Adjustments
In compliance
with government
emission
standards,
the carburetor
is calibrated
to deliver the correct
fuel-to-air
mixture to the engine under all operating
conditions.
Tile high speed mixture is set at the factory
and cannot be adjusted.
The low idle fuel adjustment
screw (if equipped)
is also set at the factory and
normally
does not require
adjustment.
See Figure 16.
Engines in this series depending
on the model and
application,
may also be equipped
with a Governed
Idle System.
If the engine is equipped
with a Governed
Idle
System, refer to Models
with Governed
Idle System
when performing
any carburetor
adjustment,
as an
additional
step to the listed procedure(s)
is required.
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