Engine Manual

14
SERVICE AND MAINTENANCE
Fuse Replacement
Alternator Maintenance/Repairs
Engine Speed
WARNING
To avoid serious injury or death, DO NOT modify engine in
any way. Tampering with the governor setting can lead
to a runaway engine and cause it to operate at unsafe
speeds. NEVER tamper with the factory setting of the
engine governor.
WARNING
Running the engine faster than the speed set at the
factory can be dangerous and will VOID THE ENGINE
WARRANTY.
Removing Snow from the Engine
After each use, remove snow from the following areas:
Oil Fill Cap & Dipstick
Fuel Cap
Recoil Starter/Flywheel Screen
Linkage
Guards
Spark Plug Connection (if visible)
Electric Starter Switch Box, if present (see the equipment
Operator’s Manual instructions).
NOTE: See the equipment Operator’s Manual instructions for
proper location of fuel cap and control lever.
Removing snow will ease operation of the recoil starter and
reduce the risk of water contamination when opening the fuel
cap.
NOTE: For more information about recoil starters, see Engine’s
with Recoil Starters in the Operation Section of this manual.
Transporting Your Engine
WARNING
NEVER transport this engine inside of another vehicle or
in any enclosed space if there is any fuel in the tank. Fuel
vapor or spilled fuel may ignite.
WARNING
If there is fuel in the fuel tank, close the fuel shut-off
valve, if equipped, and transport the engine upright in
an open vehicle, such as an open trailer or open bed of a
pickup truck.
If you DO NOT have an open vehicle and have to transport
the engine upright in a closed vehicle, follow these steps for
emptying the fuel tank before transporting:
Air Filter
NOTE: Not all engines have air filters, such as engines used for
snow blowers. Service the air filter if one is present.
Paper filters cannot be cleaned and must be replaced once a year
or every 100 operating hours; more often if used in extremely
dusty conditions.
WARNING
Never use gasoline or low flash point solvents for
cleaning the air cleaner element. A fire or explosion
could result.
NOTE: Never run the engines that have air filters without them.
Rapid engine wear can result.
1. Press the tab on the air filter cover and lift the cover, or
un-thread the thumbscrew, depending on the model of
engine (Figure 11).
Figure 11
2. Replace paper element when dirty or damaged. Clean foam
element or replace when damaged.
3. To clean foam element, separate it from the paper element
and wash in liquid detergent and water. Allow to dry
thoroughly before using. Do not oil the foam element.
Adjustments
DO NOT make any engine adjustments. Factory settings are
satisfactory for most conditions. If adjustments are needed,
contact your Authorized MTD Servicing Dealer.
Carburetor
If you think your carburetor needs adjusting, see your nearest
Authorized MTD Servicing Dealer. Engine performance should
NOT be affected at altitudes up to 7,000 feet (2,134 meters). For
operation at higher elevations, contact your Authorized MTD
Servicing Dealer.
Alternator (if equipped)
Contact your Authorized MTD Servicing Dealer for alternator
related electrical problems such as:
Inoperative Starter
Discharged Battery