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PAGE 18 — MT55F RAMMER — OPERATION AND PARTS MANUAL — REV. #5 (01/06/12)
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 16) at the
top of the crankcase (body side) and clean it with cleaning oil
(kerosene).
Figure 16. Primary Air Filter
■
Lubricate the top element (yellow) with 2~5 cc of engine oil
SAE-30.
■
Lubricate bottom element (gray) with 7~9 cc of engine oil
SAE-30 and completely squeeze out the excess oil from the
element before installing.
■
The air cleaner (Figure 17 ) on the engine side will hardly be
contaminated, if it is, clean the outer foam gray element with
cleaning solvent. Tightly squeeze outer foam element to
remove any excess solvent before re-installing.
200 - 300 HOURS (Oil Bath)
■
Drain oil reservoir on foot housing (Figure 18). Refill with
approximately 1.0 pt. (520 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 17. Engine Air Cleaner
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
Figure 18. Foot Housing Drain Plug
■
Tap the paper filter element (Figure 17 ) several times on a
hard surface to remove dirt, or blow compressed air [not
exceeding 30 psi (207 kPa, 2.1 kgf/cm
2
)] through the filter
element from the air cleaner case side.
NEVER
brush off dirt.
Brushing will force dirt into the fibers. Replace the paper filter
element if it is excessively dirty.
GRAY OUTER
FOAM ELEMENT
CLEAN WITH
KEROSENE
PAPER
ELEMENT
CLEAN WITH
COMPRESSED
AIR
MAINTENANCE