g) Use the combination tool to turn the nut (4) forcefully clockwise to its
original position (V-belt is now tight),
h) Put back and tighten the 3 bolts (4).
i) Put the belt cover (2) on and tighten the bolts (1).
Note:
The V-belt is highly elastic, so it is not necessary to retighten it.
A worn V-belt causes the cutoff disc turns at the lowest idle speed. In this
case, the V-belt must be replaced.
6.2 CLEANING THE PROTECTION COVER
Over time, the inside of the protective hood can become caked with material residue which if allowed to
accumulate can hinder the free rotation of me cutting disc.
For this reason, the hood must be cleaned out from time to time.
Take off the cutting wheel with spring washer and remove the accumulated material from inside me hood
with a strip of wood or similar implement.
Clean the shaft and all removed parts.
NOTE
: To install the cutting wheel see “
Mounting the cutting disc
”
.
6.3 CLEANING /CHANGING THE AIR FILTERS
CAUTION:
Turn off the engine before cleaning the airliner! Never clean out the air filter with compressed air! Do not use
fuel to clean the air filter foam (3) and inner filter (6).
The service life of the engine depends on the condition and regular maintenance of the filter elements.
Failure Io perform maintenance and cleaning at the prescribed Intervals Mil cause Increased wear inside the
engine.
If the air filter becomes damaged, replace Immediately; Pieces of cloth or large dirt particles can destroy the
engine.
6.4 FOAM FILTER
Loosen the bolt (2) and remove the filter cover (1).
Take out the foam filter (3) out of the cover (1).
Wash out the foam filter with a neutral detergent and water. Make it
completely dry before reinstalling it.
When the foam filter is too dirty, it shall be replaced by a new one.
6.5 CARTRIDGE FILTER
Loosen the bolts (4) on the cover and remove the cover. Remove the
cartridge filter (6).
To clean the cartridge filter, carefully tap it on a surface. Do not clean
it with water.
Replace the cartridge filter every 20 operating hours.
Note: check and clean the air filter every 6 hours.
Replace it immediately if there is a drop in power, drop in speed or smoke in the exhaust.
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