Multiquip MT-74FA manual Maintenance, 200 300 Hours Pre-Cleaner, Long Term Storage

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 pre-cleaner (Figure 11) at the top of the crankcase (body side) and clean it with cleaning oil (kerosene).

PRE-CLEANER

	YELLOW
GRAY	2-5 CC
13 -15 CC	SAE 30
SAE 30

Figure 11. Pre-Cleaner

■Lubricate the top element (yellow) with 2~5 cc of engine oil SAE-30.

■Lubricate bottom element (gray) with 13 ~15 cc of engine oil SAE-30 and completely squeeze out the excess oil from the element before installing.

MT-74FA — MAINTENANCE

■The air cleaner (Figure 12 ) 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 12. Engine Air Cleaner

200 - 300 HOURS (Oil Bath)

■Drain oil reservoir on foot housing (Figure 13). 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.

Figure 13. 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

MT-74FA — OPERATION AND PARTS MANUAL — REV. #3 (11/08/07) — PAGE 19