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PAGE 14 — MT-85H — PARTS & OPERATION MANUAL — REV. #8 (06/26/01)
Maintenance
Perform the scheduled maintenance procedures as indicated:
DAILY
■
Thoroughly remove dirt and oil from the engine and control
area. Clean or replace the air cleaner elements as necessary.
Check and retighten all fasteners as necessary. Check the
spring box and bellows for oil leaks. Repair or replace as
needed.
WEEKLY
■
Remove the fuel filter cap and clean the inside of the fuel
tank.
■
Remove or clean the filter at the bottom of the tank.
■
Remove and clean the spark plug, then adjust the spark gap
to 0.02~0.03 inch (0.6~0.7 mm). This unit has electronic
ignition, which requires no adjustments.
■
Clean air cleaner cover.
200 - 300 HOURS (Air Cleaner Figure 8)
■
Remove the element from the pre-cleaner at the top of the
crankcase (body side) and clean it with cleaning oil
(kerosene).
■
Lubricate the top element (yellow) with 2~5cc of engine oil
SAE-30.
■
Lubricate bottom element (gray) with 13 ~15cc of engine oil
SAE-30 and completely squeeze out the excess oil from the
element before installing.
■
The air cleaner on the engine side will hardly be
contaminated, if it is, however after cleaning the element
with kerosene, dip it in mixed oil consisting of 3 parts of
gasoline and 1 part of engine oil. Then tightly squeeze outer
primary element (sponge) and shake off well the inner
secondary element before installing them.
200 - 300 HOURS (Oil Bath)
■
Drain oil reservoir on foot housing. Refill with approximately
1.7 pt. (800cc) of 10W-30 motor oil. Oil should be midway in
sight glass. Break in oil should be changed after first 50 hours.
Yearly
■
Check the fuel line and the oil line regularly for damage and
to ensure that there are no leaks.
■
Replace the oil and fuel lines every two years to maintain the
performance and flexibility lines.
Long Term Storage
■
Drain fuel from fuel tank, fuel line and carburetor.
■
Remove spark plug and pour a few drops of motor oil into
cylinder. Crank engine 3 to 4 times so that oil reaches all
internal parts.
■
Clean exterior with a cloth soaked in clean oil.
■
Store unit covered with plastic sheet in moisture free and
dust free location out of direct sunlight.
MT-85H — MAINTENANCE
Figure 8. Air Cleaner