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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.
EVERY 50 HOURS
„ Inspect in-line fuel filter (Figure 12) and replace if
necessary.
Figure 12. In-Line Fuel Filter
„ Remove and clean the spark plug, then adjust the spark
gap to 0.024~0.028 inch (0.6~0.7 mm).
EVERY 80 TO 100 HOURS
„ Remove the air cleaner cover. Loosen and remove
the 2 screws that hold the cover to the air cleaner
assembly. If the primary element (Figure 13) is dirty,
wash it with gasoline or kerosene. Then dip it in engine
oil (SAE10W-30) and wring the element so that 25 to 30
cc of engine oil remains on the element.
Figure 13. Air Cleaner Primary Element
PAGE 18 — MTX70HDR RAMMER • OPERATION AND PARTS MANUAL — REV. #0 (02/02/17)
EVERY 200 HOURS
„ Remove the oil drain plug on foot housing (Figure 14) and
EVERY 6 MONTHS
„ Clean the inside of the fuel tank with solvent.
„ Inspect and clean fuel strainer (Figure 15). Replace
EVERY 2 YEARS
„ Replace the fuel line every 2 years even if there is no
LONG TERM STORAGE
„ Slide the throttle lever to the STOP position.
PRIMARY
„ Drain any fuel including in the fuel hose.
ELEMENT
„ Replace lubrication oil and apply grease to lubrication
„ Cover the air intake on the air cleaner and the exhaust
„ Store unit indoors covered with plastic sheet in moisture
MAINTENANCE
drain the oil. Refill with approximately 0.8 qt. (0.75 liter)
of 10W-30 SE, SF or higher grade motor oil. Oil should
be midway in sight glass. Break-in oil should be changed
after first 50 hours.
OIL FILL PLUG
SIGHT GLASS
OIL DRAIN PLUG
Figure 14. Oil Drain Plug
strainer if necessary.
Figure 15. Fuel Strainer
visible damage.
points.
outlet on the muffler.
free and dust free location out of direct sunlight.
FUEL
STRAINER
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