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PAGE 22 — MVC-64E/EW PLATE COMPACTOR — OPERATION & PARTS MANUAL — REV. #0 (05/11/06)
MVC-64E/EW — MAINTENANCE
Changing Vibrator Oil
1. When changing the vibrator oil, remove the drain plug
(Figure 7), and simply tip the compactor to drain the oil.
Note that the oil will drain more easily while it is hot.
Remember to use only 10W-30 motor oil when replacing
vibrator oil.
Checking and Replacing the V-Belt and Clutch
1. After 200 hours of operation, remove the upper belt cover to
check the V-belt tension. Tension is proper if the belt bends
about 10 mm when depressed strongly with finger between
shafts. Loose or worn V-belts reduces power transmission
efficiency, causing weak compaction and reduces the life of
the belt itself.
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Checking Clutch
Check the clutch simultaneously with V-belt checking. With belt
removed, check outer drum of the clutch for seizure and "V"
groove for wear or damage with your eyes. Clean the "V" groove
as necessary. Wear of lining or shoe should be checked with
running check. If the shoe is worn, power transmission becomes
deficient and slipping will result.
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Reinstalling the V-belt
Engage V-belt to lower vibrator pulley and push the V-belt to left
side of upper clutch and, in the same manner as in removal,
rotate offset wrench clockwise so that the V-belt goes back on.
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Replacing the V-belt
Remove the upper and lower belt covers. Engage an offset
wrench (13 mm) or the like to vibrator pulley (lower) fastening
bolt. Engage waste cloth or the like at midway of V-belt on the left
side and while pulling it back strongly, rotate the offset wrench
clockwise so that the V-belt will come off.
Figure 22. Engine Oil (Draining)
Engine Air Cleaner
1. Remove the air cleaner cover and foam filter element as
shown in Figure 24.
2. Wash the foam filter element in kerosene or diesel fuel.
Then saturate it in a mixture of 3 parts kerosene or diesel
fuel and 1 part engine oil. Completely squeeze the ele-
ment to remove the mixture and reinstall it back into the
air cleaner.
Figure 24. Air Cleaner
Spark Plug
1. Remove and clean the spark plug (Figure 23).
2. Adjust the spark gap to 0.028 ~0.031 inch (0.6~0.7 mm). This
unit has electronic ignition, which requires no adjustments.
Figure 23. Spark Plug Gap
NEVER attempt to check the V-belt with the engine running.
Severe injury can occur if your hand (Figure 8) gets caught
between the V-belt and the clutch. Always use safety gloves.
CAUTION
Whenever the compactor's vibration becomes weak or lost
during normal operation regardless of operation hours,
check the V-belt and clutch immediately.
CAUTION