Kohler MAGNUM 18vhp Посібник користувача - Сторінка 10
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Clean Air Intake/Cooling System
To ensure proper cooling, make sure the grass screen,
cooling fins, and other external surfaces of the engine
are kept clean at all times.
Every 50 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 grass
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 a dependable electronic
ignition system. Other than periodically checking/
replacing the spark plugs, no maintenance, timing, or
adjustments are required 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.
Precleaner and Air Cleaner Element
This engine is equipped with a high density paper air
cleaner element. Some specifications are also
equipped with an optional oiled foam precleaner which
surrounds the paper element.
Service Precleaner
If so equipped, wash and reoil the precleaner every
25 hours of operation (more often under extremely
dusty or dirty conditions).
1. Remove wing nuts, air cleaner cover, element
cover seal, and element cover.
2. Remove precleaner from paper element. Wash
the precleaner in warm water with detergent.
3. Rinse the precleaner thoroughly until all traces of
detergent are eliminated. Squeeze out excess
water (do not wring). Air dry.
4. Saturate precleaner in clean, fresh engine oil and
squeeze out excess oil.
5. Reinstall precleaner over paper element.
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Service Paper Element
Every 100 hours of operation (more often under
extremely dusty or dirty conditions) replace the
element.
1. Remove the precleaner (if so equipped) from
paper element.
2. Do not wash the paper element or use
pressurized air as this will damage the element.
Replace a dirty, bent, or damaged element with a
genuine Kohler element. Handle new elements
carefully. Do not use if sealing surfaces are bent
or damaged.
3. When servicing the air cleaner, check the air
cleaner base. Make sure it is secured and not
bent or damaged. Also check the element cover,
seals, and breather tube for damage or improper
fit. Replace all damaged air cleaner components.
NOTE: Damaged or loose components could
allow unfiltered air into the engine
causing premature wear and failure.
4. Reinstall the paper element, precleaner, element
cover, element cover seal, air cleaner cover, and
wing nut. Tighten wing nut 1/2 to 1 full turn after
nut contact cover. Do not overtighten.
Check Spark Plugs
Every 100 hours of operation, remove the spark plugs,
check condition and reset the gap, or replace with new
plugs as necessary:
1. Before removing spark plugs, clean the area
around base of plugs to keep dirt and debris out of
engine.
2. Remove plugs and check 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.
3. Check the gap using a wire feeler gauge. Adjust
the gap to 0.035 in. (0.89 mm) by carefully
bending the ground electrode. See Figure 7.
4. Reinstall the spark plugs into the cylinder heads.
Torque the spark plugs to 10-15 ft. lb.
(14-20 N·m).