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 (Pre-Cleaner)
■Remove the element from the
MT-84F — MAINTENANCE
■The air cleaner (Figure 14) 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.
Figure 14. Engine Air Cleaner
200 - 300 HOURS (Oil Bath)
■Drain oil reservoir on foot housing (Figure 15). Refill with approximately 1.7 pt. (800 cc) of
| YELLOW |
GRAY | |
| |
13 | SAE 30 |
| |
SAE 30 |
|
Figure 13. Pre-Cleaner
■Lubricate the top element (yellow) with 2~5 cc of engine oil
■Lubricate bottom element (gray) with 13 ~15 cc of engine oil
Figure 15. Foot Housing Drain Plug
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
