MTR-40HS— PARTS & OPERATION MANUAL — REV. #2 (12/15/03) — PAGE 19
MTR-40HS— MAINTENANCE (RAMMER)
Figure 16. Primary Air Cleaner
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/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
SOLVENT
BREATHER
ELEMENT
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
MAINTENANCE
Perform the scheduled maintenance procedures as definded by
Table 3 (page 21) 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).
■
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.
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.
