Operator's manual (EPA) 371K 375K Please read these instructions carefully and make English sure you understand them before using the machine.
SYMBOL EXPLANATION Symbols on the power cutter: WARNING! Some dust created by power sanding, sawing, WARNING! The power cutter can be grinding, drilling and other construction dangerous! Careless and incorrect use can activities contains chemicals known (to the result in serious or fatal injury to the State of California) to cause cancer, birth operator or others.
Transport and storage ............6 adjusted! • Let your Husqvarna dealer check the power cutter and carry Fuel safety ................7 out essential adjustments and repairs. General working instructions ...........
SAFETY INSTRUCTIONS THE POWER CUTTER’S SAFETY WARNING! Incorrect or careless use of a EQUIPMENT power cutter can turn it into a dangerous tool that can cause serious or even fatal injury. It This section describes the power cutter’s safety equipment, its is extremely important that you read and function and how checks and maintenance are carried out to understand this manual.
SAFETY INSTRUCTIONS 3 Muffler Control, maintenance and service of the machine‘s safety equipment WARNING! During use and for some time after the muffler is very hot. Do not touch the muffler if it is hot! WARNING! All service and repairs to the power cutter require special training.
SAFETY INSTRUCTIONS 5 Blade guard for the cutting blade 3 Muffler Never use a defective blade Never use a machine that guard or a blade guard that is has a defective muffler. not fitted correctly. Check regularly that the muffler is secured to the WARNING! Check that the cutting blade is engine body.
• Check the cutting area for buried cables and wires. • Use a Husqvarna fuel can with an anti-spill device. Only use the machine in areas with good WARNING! Fuel and fuel fumes are highly ventilation.
SAFETY INSTRUCTIONS Water cooling WARNING! Over exposure to vibrations can result in blood-vessel or nerve injury to WARNING! Water cooling, which is only used persons suffering with blood circulation for petrol-driven power cutters and when problems. Seek medical attention if you cutting concrete, cools the cutting blade and experience physical symptoms that can be increases its service life as well as reduce...
(To avoid this see the section General ” How to avoid kickback ” and ”Pinching/rotation” below). Husqvarna’s power cutters are robust and durable. However, as Pinching/rotation they are used for high speed operations all servicing should be carried out on time and as specified, so that the power cutter Pinching occurs when the cut closes.
SAFETY INSTRUCTIONS Abrasive discs CUTTING BLADES The cutting material on abrasive discs consists of grit bonded using an organic binder. ”Reinforced blades” are made up of a fabric or fibre base that prevents total breakage at maximum working speed if the blade should be cracked or damaged. (The term reinforced does not refer to those cutting blades that are only reinforced around the flange).
SAFETY INSTRUCTIONS Type of cutting blades Guard The cutting blade should be Check that the guard is not marked with the same or a cracked or shows signs of any higher speed than that stated other damage. Clean the on the machine’s rating plate. inside of the guard before Never use a cutting blade fitting a new blade.
WHAT IS WHAT? What is what on a power cutter? Cylinder cover 13. Combination spanner Muffler 14. Air filter cover Fuel tank 15. Blade guard Rear handle 16. Starter handle Choke / Throttle trigger lockout 17. Operator’s manual Throttle catch 18.
ASSEMBLY Fitting the cutting head Fitting the cutting blade Husqvarna cutting blades are Remove the bolt (1) and nut manufactured and approved (2). Remove the cover. Fit the for freehand cutting. The drive belt over the clutch paper labels on each side of drum.
2%(1:50) Lit. Lit. Two-stroke oil 0,10 0,20 • For the best results use 0,30 HUSQVARNA two-stroke oil, which is especially 0,40 • Always exercise care when developed for power cutters. filling the fuel. Move the gallon Mixing ratio 1:50 (2%).
START AND STOP Start and stop Start WARNING! Before starting observe the WARNING! The cutting blade can rotate when following: the engine starts. Make sure it can rotate freely. • Do not start the power cut without the cutting arm or Take hold of the front handle cutting head fitted.
MAINTENANCE Belt pulley and clutch Adjusting the drive belt Never start the engine when the belt pulley and clutch are • The drive belt is fully removed for maintenance. enclosed and well protected from dust, dirt and mechanical effects during the cutting process.
Carburetor Conditions • Before any adjustments are made the air filters should be Your Husqvarna product has been designed and manufactured clean and the cylinder cowling fitted. Adjusting the carburetor to specifications that reduce harmful emissions. while a dirty air filter is in use will result in a leaner mixture After your unit has been run 8-10 tanks of fuel the engine has when the filter is finally cleaned.
In order to obtain a good filtering effect, the filter must be cleaned and oiled regularly. Special HUSQVARNA oil has been produced for this purpose. • Remove the filter. Wash the filter carefully in tepid, soapy water. After cleaning rinse the filter thoroughly in clean water.
MAINTENANCE Starter Tensioning the recoil spring WARNING! • Lift up the starter cord from • The recoil spring sits in its tensioned posi- the cut out on the pulley and tion in the starter housing and can with turn the pulley approx. 2 careless handling fly out and cause personal turns clockwise.
MAINTENANCE Spark plug Cooling system To maintain as low an operating temperature as possible the power cutter is equipped with a cooling system. The condition of the spark plug is affected by: The cooling system consists of: • An incorrect carburettor 0,5 mm setting.
MAINTENANCE Below follows some general maintenance instructions. If you need further information please contact your service workshop. Daily maintenance 1. Check that throttle components work correctly from a safety view point (throttle and starter throttle catch). 2. Check the tension of the drive belt. 3.
TECHNICAL DATA 375K 371K Engine 4,6/74,7 Cylinder volume, cu.in/cm 4,3/70,7 2,02/51,4 Cylinder bore, inch/mm 1,97/50 1,4/36 Stroke, inch/mm 1,4/36 2 500 Idle speed, rpm 2 500 9 800 ± 250 Max. speed, unloaded, rpm 9 800 ± 250 3,7/ 9 800...
Repair or replacement of any warranted part will be performed The EPA (The US Environmental Protection Agency), at no charge to the owner at an approved Husqvarna Forest & Environment Canada and Husqvarna Forest & Garden are Garden servicing dealer. If you have any questions regarding...
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