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MTX70HF RAMMER • OPERATION AND PARTS MANUAL — REV. #0 (03/08/12) — PAGE 17
MAINTENANCE
Perform the scheduled maintenance procedures as indi-
cated:
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
Remove the fuel filter cap and clean the inside of the
fuel tank (Figure 11).
Figure 11. 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 12) 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.
FUEL FILTER
Figure 12. Air Cleaner Primary Element
EVERY 200 HOURS
Remove the oil drain plug on foot housing (Figure 13) and
drain the oil. Refill with approximately 1.7 pint (800 cc)
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.
Figure 13. Oil Drain Plug
EVERY 2 YEARS
Replace the fuel line every 2 years even if there is no
visible damage.
LONG TERM STORAGE
Slide the throttle lever to the STOP position.
Drain any fuel including in the fuel hose.
Replace lubrication oil and apply grease to lubrication
points.
Cover the air intake on the air cleaner and the exhaust
outlet on the muffler.
Store unit indoors covered with plastic sheet in moisture
free and dust free location out of direct sunlight.
PRIMARY
ELEMENT
SIGHT GLASS
OIL DRAIN PLUG
OIL FILL PLUG