MAINTENANCE
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
Figure 16. Primary Air Filter
■Lubricate the top element (yellow) with 2~5 cc of engine oil
■Lubricate bottom element (gray) with 7~9 cc of engine oil
■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
PAPER
ELEMENT
GRAY OUTER
FOAM ELEMENT
CLEAN WITH | CLEAN WITH |
| |
KEROSENE | COMPRESSED |
| |
| AIR |
Figure 17. Engine Air Cleaner
■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/cm2)] 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.
200 - 300 HOURS (Oil Bath)
■Drain oil reservoir on foot housing (Figure 18). Refill with approximately 1.0 pt. (520 cc.) of
Figure 18. 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
PAGE 18 — MT55F RAMMER — OPERATION AND PARTS MANUAL — REV. #5 (01/06/12)