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Sefore inspecting, cleaning or servicing the machine, shut off engine, wait for all moving parts to
come to a complete stop, disconnect spark plug wire and move wire away from spark plug.
Remove the key from the keyswitchon units so equipped.
Failure to follow these instructionscan result in serious personal injury or property damage.
Figure5-3: Removedrainplug todrain
transmissiongear oil (alsoremoveoil fill
plugand oil level checkplug).
ENGINEOILSERVICE
Checktheengine oil levelbeforestarting
the engineeachday and checkit after
each5 hours of continuous operation.
Runningthe enginewhen it is low on oil
will quickly ruin the engine.
It is recommendedthat you changethe
motor oil after every 10 hours of opera-
tion and evensoonerwhen operating in
extremely dirty or dusty conditions. Refer
to the separateEngineOwner's Manual
for detailedservice instructions.
A. To ChecktheEngineOil Level:
1. Move the tiller to a levelareaand shut
off the engine.
2. Levelthe engine by moving the Depth
RegulatorLever up or down asneeded.
3. Cleanthe areaaround the oil dipstick
or oil fill tube to prevent dirt from falling
into the crankcase.
4. On engineswith an oil fill tube, remove
the filler cap, add oil (if required) until it
reachesthe top ofthe tube and reinstall
the filler cap.
5. On engineswith a dipstick, remove it,
wipe it clean,and reinstall it finger-tight.
Removethe dipstick andcheck the
reading. Add oil (if required) to bring the
levelto the FULLmark. Do not overfill.
B. To ChangetheEngineOil:
Changethe engine oil as instructed in the
separateEngineOwner's Manual.
AIR CLEANERSERVICE
Theengineair cleanerfilters dirt and dust
out of theair before it enters the carbure-
tor. Operatingthe engine with a dirty,
clogged air filter cancausepoor perfor-
mance and damageto the engine. Never
operatethe enginewithout the air cleaner
installed. Inspect and servicethe air
cleanermore often if operating in very
dusty or dirty conditions.
Servicethe air cleaneras instructed in the
separateEngineOwner's Manual.
SPARKPLUGSERVICE
Inspectand clean or replacethe spark
plug after every 100 operating hours or
annually. Cleanthe plug and set the gap
as described in the separateEngine
Owner's Manual.
In someareas, locallaw requiresusing
resistor spark plugs to suppressignition
signals. If the enginewas originally
equipped with a resistor sparkplug, use
the sametype for replacement.
SPARK ARRESTER SCREEN
SERVICE
If the engine muffler is equippedwith a
spark arrester screen, removeand clean it
according to thetime intervals and
instructions in the separateEngine
Owner's Manual.
ENGINECLEANING
Theengine must be kept cleanto assure
smooth operationand to preventdamage
from overheating. Referto the separate
EngineOwner's Manualfor specific repair
and cleaninginstructions. All inspections
and services must be done with the
engine shut off and cool to thetouch.
CARBURETOR/GOVERNOR
CONTROLADJUSTMENTS
Operators shall not tamper with the
engine governor settings on the
machine; the governor controls the
maximum safe operating speed to
protectthe engine and all movingparts
from damage caused by overspeed.
Authorized service shall be sought if a
problemexists.
Thecarburetor was adjusted at the
factory for best operatingspeed. Refer to
the separateEngineOwner's Manualfor
anyadjustment information or seeyour
authorizedengine service dealer.
Thegovernor controls the maximum safe
operating speedand protects the engine
and all moving parts from damagecaused
by overspeeding. Donot tamper with the
engine governor settings. Seekautho-
rized serviceif a problemexists.
THROTTLE CONTROL ADJUSTMENT
If the enginedoes not respond to various
throttle leversettings, referto the sepa-
rate EngineOwner's Manualfor service
information or contact your localautho-
rized engineservicedealer.