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Malfunction System Observation Cause
Chain does not run Chain brake Engine runs Chain brake actuated.
Engine does not start or Ignition system Ignition spark Malfunction in fuel supply system, com-
only with difficulties pression system, mechanical malfunction.
No ignition spark STOP switch actuated, malfunction or short
circuit in cabling, plug cap, spark plug
or ignition module defective.
Fuel supply Fuel tank is filled Choke in wrong position, carburetor defective,
suction head dirty, fuel line bent or
interrupted.
Compression Inside Cylinder base packing ring defective, radial
system shaft packings defective, cylinder or piston
rings defective
Outside Spark plug does not seal.
Mechanical Starter does not engage Spring in starter broken, broken parts
malfunction inside the engine.
Warm start difficulties Carburetor Fuel tank is filled Wrong carburetor adjustment.
Ignition spark
Engine starts, but Fuel supply Fuel tank is filled Wrong idling adjustment, suction head or
dies immediately carburetor dirty.
Tank venting defective, fuel line interrupted,
cable defective, STOP switch defective,
starting valve dirty.
Insufficient output Several systems Engine is idling Air filter dirty, wrong carburetor adjustment,
may be involved muffler clogged, exhaust channel in cylinder
simultanously clogged, spark arrester screen clogged.
No chain lubrication Oil tank/pump No oil on the chain Oil tank empty.
Oil guide groove dirty.

Spare parts

A reliable and continuous operation as well as the safety of your chain saw depend among others on the quality of the spare parts
used. Use only original MAKITA parts, marked
Only original spare parts and accessories guarantee the highest quality in material, accuracy to size and function and safety.
Original spare parts and accessories can be obtained from your local dealer. He will also have the spare part lists to determine the
required spare part numbers, and will be constantly informed about the latest improvements and also about spare part innovations.
Please, take in mind that in case foreign spare parts are used instead of original MAKITA spare parts this will automatically
invalidate the MAKITA product guarantee.

Guarantee

MAKITA guarantees the highest quality and will therefore reimburse all costs for mending through replacement of damaged
parts as a result of material or production faults, which occur within the guarantee time after purchase.
Please, note that in some countries particular guarantee conditions may exist. In case of any doubts, please, contact your salesman
who is responsible for the guarantee of a product.
We ask for your understanding that we cannot accept any responsibility for damage caused by:
Disregard of the Owners Manual.
Non-performance of the required maintenance and cleaning instructions.
Wrong carburetor adjustment.
Normal wear and tear.
Obvious overload due to permanent excess of the upper limits of capacity.
Use of guide bars and chains which have not been approved.
Use of guide bar and chain lengths which have not been approved.
Use of force, improper use, misuse or accidents.
Overheating due to dirt on the cylinder ribs and the fan housing.
Works on the chain saw by unskilled persons or performance of inappropriate repairs.
Use of unsuitable spare parts or parts which are not original MAKITA parts, as far as they have caused the damage.
Use of unsuitable or old oil.
Not tightening external screw connections in time.
Damage related to conditions arising from lease or rent contracts.
Cleaning, servicing and adjustment works are not covered by the guarantee. All repairs covered by the guarantee are to be
performed by a MAKITA service center.
Troubleshooting