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MT-62HS — PARTS & OPERATION MANUAL — REV. #2 (12/15/03) — PAGE 19
MAINTENANCE
Perform the scheduled maintenance procedures as definded by
Table 3 and below:
DAILY
■
Thoroughly remove dirt and oil from the engine compartment
and rammer. Clean or replace the air cleaner elements as
necessary. Check and retighten all fasteners as necessary.
Check the bellows for oil leaks. Repair or replace as needed.
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).
MT-62HS — MAINTENANCE
■
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 reinstalling.
Figure 16. Primary Air Cleaner
Figure 17. Engine Air Cleaner
200 - 300 HOURS (Oil Bath)
■
Drain oil reservoir on foot housing (Figure 18). 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 18. Oil Drain Plug
CAUTION:CAUTION:
CAUTION:CAUTION:
CAUTION:
It is normal for a new 2-stroke engine to emit
excess smoke, until moving parts have been
seated to their normal operating specifications.
This excess smoke normally stops after one full
tank of fuel.
GRAY OUTER
FOAM ELEMENT
CLEAN WITH
KEROSENE
PAPER
ELEMENT
CLEAN WITH
COMPRESSED
AIR
SPARK PLUG
■
Remove and clean the spark plug (Figure 19), then adjust
the spark gap to 0.024 ~0.028 inch (0.6~0.7 mm). This unit
has electronic ignition, which requires no adjustments.
Figure 19. Spark Plug Gap