KEY TO SYMBOLS Symbols: CAUTION! Chain saws can be dangerous! Switch off the engine by moving the stop Careless or incorrect use can result in switch to the STOP position before carrying serious or fatal injury to the operator or out any checks or maintenance.
Daily maintenance ............. 33 Weekly maintenance ............34 Monthly maintenance ............34 Technical data 2033T ................35 The chain saw has labels with these warning symbols. Their meanings are explained in the “Key to symbols” section. English –...
SAFETY INSTRUCTIONS PERSONAL PROTECTIVE EQUIPMENT CHAIN SAW SAFETY EQUIPMENT This section explains the various safety features of the saw, how they work, and basic inspection and maintenance you MOST CHAIN SAW ACCIDENTS HAPPEN should carry out to ensure safe operation. (See the ”What is WHEN THE CHAIN TOUCHES THE OPERA- what?”...
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SAFETY INSTRUCTIONS 1 Chain brake and front hand guard 2 The front hand guard is not designed solely to YOUR chain saw is equipped with a chain brake that is desig- activate the chain brake. ned to stop the chain immediately if you get a kickback. Another important safety The chain brake reduces the risk of accidents, but only You can feature is that it prevents...
SAFETY INSTRUCTIONS 2 Throttle lock The way the chain brake is triggered, either manually or automatically, depends on the force of the kickback and the The throttle lock is designed position of the chain saw in relation to the object that the to prevent accidental opera- kickback zone of the bar strikes.
SAFETY INSTRUCTIONS 5 Stop switch 4 Vibration damping system Use the stop switch to switch Your chain saw is equipped off the engine. with a vibration damping system that is designed to minimise vibrations and make operation easier. When you use a chain saw vibrations are generated by the uneven contact between the chain and the wood you...
SAFETY INSTRUCTIONS Inspecting, maintaining and servicing Checking the brake trigger chain saw safety equipment Warning! Never start the saw without first activating the SPECIAL TRAINING IS REQUIRED to service chain brake! and repair chain saws. This is especially true of chain saw safety equipment. If your chain saw fails any of the checks described below take it to your SERVICE AGENT.
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SAFETY INSTRUCTIONS 2 Throttle lock 3 Chain catcher STOP STOP Check that the CHAIN Make sure the throttle CATCHER is not control is locked at the damaged and is firmly idle setting when you attached to the body of release the throttle lock. the saw.
SAFETY INSTRUCTIONS 6 Muffler CUTTING EQUIPMENT Never use a chain saw This section describes how to choose and maintain your cutting that has a faulty muffler. equipment in order to: • Reduce the risk of kickback. • Reduce the risk of the chain breaking or jumping. •...
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SAFETY INSTRUCTIONS 1 Cutting equipment designed to minimise C Some terms that describe the bar and chain When the cutting equipment supplied with your saw becomes kickback worn or damaged you will need to replace it. Use only the type of bar and chain recommended by us.
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SAFETY INSTRUCTIONS It is very difficult to sharpen a 2 Sharpening your chain and adjusting chain correctly without the raker clearance right equipment. We recommend you use a file The risk of kickback is increased with a badly gauge. This will help you sharpened chain! obtain the maximum kickback reduction and cutting...
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SAFETY INSTRUCTIONS D Setting the raker clearance C General advice on setting raker clearance • When you sharpen the cutting teeth you reduce the STOP RAKER CLEARANCE (cutting depth). To maintain • Before setting the raker clearance the cutting teeth should be cutting performance you newly sharpened.
SAFETY INSTRUCTIONS 3 Tensioning the chain 4 Lubricating cutting equipment Poor lubrication of cutting equipment may A slack chain may jump off and cause serious cause the chain to snap and lead to serious, or even fatal injury. even fatal injuries. •...
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SAFETY INSTRUCTIONS C Checking chain lubrication E Checking wear on cutting equipment Saw chain • Check the chain lubrication each time you refuel. STOP Aim the tip of the saw at a light coloured surface about Check the saw chain daily for: 20 cm away.
SAFETY INSTRUCTIONS G Bar HOW TO AVOID KICKBACK Kickback can happen very suddenly and STOP violently; kicking the saw, bar and chain back at the user. If this happens when the chain is Check regularly: moving it can cause very serious, even fatal injuries.
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SAFETY INSTRUCTIONS If it is necessary to cut Warning! branches or similar which Working one-handed is dangerous and should are above shoulder only be carried out by persons who are height, a lift platform or trained in this special working method. scaffold tower is When performing tree maintenance work one- recommended.
SAFETY INSTRUCTIONS STARTING Warning! Tree maintenance work with a chainsaw above ground level, in which Warning! working one-handed can occur, should only Never start the saw without first activating be carried out by specially trained persons. the chain brake! GENERAL SAFETY PRECAUTIONS Prolonged inhalation of exhaust gases from Chain saws are designed solely for cutting wood.
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SAFETY INSTRUCTIONS 8 FUEL SAFETY (Refuelling, fuel mixture, storage.) Fuel and fuel vapour are highly inflammable. Take care when handling fuel and chain oil. Keep away from naked flames and do not breathe in fuel vapour. • Never try to refuel the saw while it is running.
SAFETY INSTRUCTIONS Take great care when removing small branches and avoid GENERAL WORKING INSTRUCTIONS cutting bushes (i.e. cutting many small branches at the same time). Small branches can be grabbed by the chain This section describes basic safety rules for and thrown back at you, causing serious injury.
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SAFETY INSTRUCTIONS Two factors decide whether the chain will jam or the log will 2 Basic cutting technique split. The first is how the log is supported and the second is General whether it is in tension. • Always use full throttle when cutting! In most cases you can avoid these problems by cutting in two •...
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SAFETY INSTRUCTIONS 2 The log is supported at one 3 Felling technique for tree tops end. There is a high risk that it will split. It takes a lot of experience to fell a tree. Inexperienced users of chain saws should not fell trees.
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SAFETY INSTRUCTIONS THE FELLING CUT C Felling tree tops The felling cut is made from the opposite side of the trunk, and it must be perfectly horizontal. Stand at the left side of the tree Beware of the trunk swaying when the top of and cut with the bottom edge of the bar.
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SAFETY INSTRUCTIONS 4 Sawing logs or branches that are in We recommend that you use a bar that is longer than the tension = very high accident risk diameter of the tree, so that you can make the FELLING Preparations: and DIRECTIONAL CUTS with “SINGLE CUTTING a) Work out which way the tree or branch will move if released...
WHAT IS WHAT? 2033T What is what? 1. Filter cover. 16. Bumper. 2. Front handle. 17. Chain catcher. Catches chain if it jumps or breaks. 3. Front hand guard. 18. Clutch cover. 4. Starter cover. 19. Oil pump adjustment screw.
ASSEMBLY Mounting guide bar and chain STOP Always wear gloves, when working with the The chain is correctly chain, in order to protect your hands from tensioned when there is no injury. slack on the underside of the bar, but it can still be turned easily by hand.
Two-stroke oil • For the best results use JONSERED two-stroke oil, which is especially developed for chain saws. Mixing ratio 1:50 (2%). • If JONSERED two-stroke oil is not available, you may use another two-stroke oil of good quality that is intended for air cooled engines.
FUEL HANDLING Chain oil Fuelling • The chain lubrication system is automatic. Always Taking the following precautions, will lessen STOP use special chain oil with the risk of fire. good adhesive characteristics. • Do not smoke or place warm objects in the vicinity of the fuel.
START AND STOP Start Start and stop Activate the chain brake by pushing the front hand guard WARNING! forward. Grip the front handle with your left hand and hold the saw • Never start the saw engine without the bar, chain and down by putting your right foot clutch cover (chain brake) assembled - or else the in the rear handle.
Carburettor Conditions • Before any adjustments are made the air filter should be Your JONSERED product has been designed and clean and the cylinder cowling fitted. Adjusting the carburettor manufactured 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.
MAINTENANCE Starter device Tensioning the recoil spring • Wind the starter cord on to WARNING! the pulley without tensioning the spring. • When the recoil spring is assembled in the starter housing, it is in tensioned position and can when •...
MAINTENANCE Air filter Muffler The air filter must be regularly cleaned from dust and dirt in order to avoid: • Carburettor malfunctions STOP • Starting problems • Engine power reduction The muffler is designed to • Unnecessary wear on reduce the noise level and to the engine parts direct the exhaust gases away from the operator.
MAINTENANCE Below you will find some general maintenance instructions. Adjustment of the oil pump If you have more questions, contact your servicing dealer. STOP Daily maintenance The oil pump is adjustable. Adjustments are made by turning the screw with a Check the throttle trigger screwdriver.
MAINTENANCE Weekly maintenance Monthly maintenance 1. Check that the AV Check the brake band on elements are not soft or the chain brake for wear. torn. 2. Lubricate the clutch drum Check the clutch centre, bearing. clutch drum and clutch spring for wear.
We, Jonsered, S-561 82 Huskvarna, Sweden, tel. +46 36-146500, declare under sole responsibility that the chain saw Jonsered 2033T from the serial numbers T001001 and onwards, is in conformity with the following standards or other normative documents following the provisions in the COUNCIL’S DIRECTIVES: - of June 14 1989 “relating to machinery”...