Carbureting a scarce mixture will cause the machine to
deliver very little power, to lubricate little and with rising
revolutions. In these conditions, there is a severe risk of
6. Maintenance
6.1 Safety and maintenance schedule
Chain saw
General
Saw chain
Saw chain brake
Guide bar
Saw chain
Before each start
Guide bar
Saw chain lubrication
Saw chain brake
OFF switch, safety locking button,
accelerator lever
Lid of the fuel/oil tank
Air filter
Daily
Guide bar
Guide bar support
Idling speed
Fan housing
Weekly
Cylinder housing
Spark plug
Muffler
Jacket of the saw chain ratchet
Suction head
Quarterly
Fuel and oil tanks
Chain saw
Storage
Guide bar/saw chain
Fuel and oil tanks
Carburetor
6.2 Cleaning the air filter
(OLMO G1-250B, OLMO G2-400B, OLMO G3-450B)
Unscrew the screw (23) and extract the cover of the filter
box (20).
IMPORTANT: Cover the admission port with a clean cloth
to avoid particles of debris falling into the carburetor. Extract
the air filter (24).
To avoid injuring your eyes, do NOT blow the particles
of debris! Do not use fuel to clean the air filter.
Clean the air filter with a soft brush.
If the filter is very dirty, clean it with lukewarm water with
dish detergent.
Let the air filter dry completely.
If the filter is very dirty, clean it frequently (several times a
day) because the whole of the engine power can be
extracted only with a clean air filter.
Replace damaged air filters immediately.
The cloth pieces or particles of debris may damage
the engine.
ENGLISH
21
breakdowns due to breakage of the piston and of the
crankshaft bearing.
The sound is very accelerated, very shrill and dry.
Clean the outside, look if there are damages. Should there be damages, ask a qualified
Service Center to repair them immediately.
Sharpen it regularly; replace it at good time.
Ask a qualified Service Center to inspect it regularly.
Turn it around to make sure a uniform wear of the bearings. Replace it in good time.
Check to see if it is damaged and sharpened. Check the tension of the chain.
Check to see if it is damaged.
Check its operation.
Check its operation.
Check its tightness.
Compruebe el apriete.
Clean.
Check to see of it is damaged; clean the oil admission port.
Clean, particularly the oil guiding slot
Check (the saw chain must not be running).
Clean to make sure appropriate air cooling.
Clean.
Check and replace if necessary.
Check tightening of the assembly.
Check if it is damaged; replace it if necessary.
Replace.
Clean.
Clean the outside, look if there are damages. Should there be damages, ask a qualified
Service Center to repair them immediately.
Disassemble, clean and grease it slightly. Clean the slot of the guide of the guide bar.
Drain and clean.
Keep running until it is drained.
7. Service, spare parts
Maintenance and repairs
Maintenance and repair of modern engines as well as of the
safety devices require a qualified technical education and a
special workshop equipped with special tools and checking
devices.
We thus recommend you to refer to a STAYER Service
Center regarding any works which are not described in this
instruction manual.
The STAYER Service Centers have all necessary
equipment and qualified and expert staff that may find
economical solutions and to advise you in respect of any
inquiry. We ask you to contact the nearest Service Center.
Spare parts
Reliable long-term operation as well as safety of your chain
saw depends, among other things, on the quality of the
spare parts used. Use original STAYER spare parts only.
Only original spare parts and accessories guarantee the
highest quality of materials, dimensions, operation and
safety.
You may obtain original spare parts and accessories at your
local dealer.
He has also a list of spare parts for determining the amount
of spare parts as required, and will be constantly informed
on the most recent improvements and innovations in spare
parts.
Please take into account that if you use parts other than
original STAYER spare parts, the STAYER product
guarantee will automatically become invalidated.
21