Efco MTT 3600 Manuel D'utilisation Et D'entretien page 27

CHAIN BRAKE - If the chain brake does not work
properly, remove the chain cover and the clean
brake components. Replace the chain brake band
if worn or deformed.
WARNING: If the brake band is worn too
thin it may break when the chain brake
is triggered. With a broken brake band, the
chain brake will not stop the chain. The chain
brake should be replaced by an authorized
service dealer if any part is worn to less than
0.02" (0.6 mm) thick. Repairs on a chain brake
should be made by an authorized service
dealer. Take your unit to the place of purchase
if purchased from a servicing dealer, or to the
nearest authorized service dealer.
Always keep the chain brake mechanism clean
and lightly lubricate the linkage.
Always test the chain brake performance after
servicing or cleaning per the Operation -
Chain Brake Section.
Never use fuel for cleaning operations.
Carburetor Adjustment
Before adjusting the carburetor, clean the starter
cover vents, and air filter as shown in Fig. 25, refer
to Operation-Starting Unit and Maintenance-Air
Filter Sections for details. Allow the engine to
warm up prior to carburetor adjustment.
This engine is designed and manufactured in
order to comply with EPA (Environmental
Protection Agency) Phase 3 regulations.
The carburetor is factory set and should not
require adjusting.
Idle Speed Adjustment
· If the engine starts, runs, and accelerates but
will not idle; turn the idle speed screw "T"
clockwise to increase idle speed (Fig. 28).
· If the chain turns at idle, turn the idle speed
screw "T" counterclockwise to reduce the idle
RPM and stop the chain movement. If the saw
chain still moves at idle speed, contact a
S er vicing D ealer for adjustment and
discontinue use until the repair is made.
MUFFLER
WARNING – This muffler incorporates
a catalytic converter, needed in order
to ensure the engine complies with current
emissions standards. Never attempt to modify or
remove the catalytic converter: in doing so, you
will be breaking the law.
WARNING – Mufflers with catalytic
converters become very hot during
operation, and retain heat for a long time
after the engine has been stopped. This is the
case even with the engine idling. Contact can
burn the skin. Always remember the potential
fire risk!
CAUTION – If the muffler is damaged, it
must be replaced. If the muffler frequently
becomes blocked, this could be an indication
that the efficiency of the catalytic converter is
limited.
WARNING – Do not use the chain saw if
the muffler is damaged or missing, or
has been altered in any way. Operating the
machine with an improperly maintained
muffler will increase the risk of fire and
hearing loss.
EXTRA MAINTANANCE ADVISABLE
It is advisable to inspect the machine by a
specialized technician at an authorized service
network at the end of season, if used intensively,
and every two years if with normal use.
WARNING! – Any maintenance operations
not specifically dealt with in this manual
must be carried out by an authorised service
centre. To ensure that your chainsaw continues
to function correctly, use only ORIGINAL
REPLACEMENT PARTS.
Any unauthorized changes and/or
use of non-original replacement parts
may result in serious injury or death to the
operator or third parties.
en
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