Husqvarna 334T Operator's Manual
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Husqvarna 334T Operator's Manual

Husqvarna 334T Operator's Manual

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See also: Workshop Manual , Operator's Manual
Oper ator ' s manual
334T 338XPT
Please r ead the operator's manual carefully and make sure you understand the instructions
before using the machine.
E E E E n n n n g g g g l l l l i i i i s s s s h h h h

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Summary of Contents for Husqvarna 334T

  • Page 1 Oper ator ′ s manual 334T 338XPT Please r ead the operator’s manual carefully and make sure you understand the instructions before using the machine. E E E E n n n n g g g g l l l l i i i i s s s s h h h h...

  • Page 2: Key To Symbols

    KEY TO SYMBOLS Symbols on the machine: Symbols in the operator’s manual: WARNING! Chain saws can be dangerous! Careless or incorrect use can result in Switch off the engine by moving the serious or fatal injury to the operator or stop switch to the STOP position before others.

  • Page 3: Table Of Contents

    Maintenance schedule ......... 35 TECHNICAL D ATA T echnical data ............36 Bar and chain combinations, model 334T .... 37 Bar and chain combinations, model 338XPT ..37 Saw chain filing and file gauges ......37 EC-declaration of conformity ........ 38 –...

  • Page 4: Intr Oduction

    The business concept is to develop, manufacture and market motor driven products for forestry and gardening as well as for building and construction industry. Husqvarna ′ s aim is also to be in the front edge according to ergonomics, usability, security and environmental protection.

  • Page 5: Wha T Is What

    16 Front handle Starter 17 Oil pump adjustment screw Fuel tank 18 Throttle lockout Chain oil tank 19 Throttle control Chain tensioning screw (334T) 20 Bar Spike bumper 21 Chain Front hand guard 22 Bar tip sprocket Information and warning decal...

  • Page 6: General Safety Precautions

    GENERAL SAFETY PRECAUTIONS Before using a new chain saw Important • Please read this manual carefully. IMPORTANT! • Check that the cutting equipment is correctly fitted and This chain saw for tree service is designed for pruning adjusted. See instructions under the heading and dismantling standing tree crowns.

  • Page 7: Personal Protective Equipment

    GENERAL SAFETY PRECA UTIONS • Fire Extinguisher and Shovel pro vide information about which training materials and courses are available. Generally clothes should be close-fitting without restricting your freedom of movement. IMPOR TANT! Sparks can come from the muffler, the bar Work is constantly in progress to improve the design and and chain or other sources.
  • Page 8 GENERAL SAFETY PRECA UTIONS Chain brake and front hand guard • The chain brake must be engaged when the chain saw is started to prevent the saw chain from rotating. Your chain saw is equipped with a chain brake that is designed to stop the chain if you get a kickback.

  • Page 9: Chain Catcher

    GENERAL SAFETY PRECAUTIONS If the kickback is less violent or the kickback zone of Throttle lockout the bar is closer to you the chain brake will be The throttle lockout is designed to prevent accidental activated manually by the movement of your left hand. operation of the throttle control.

  • Page 10: Cutting Equipment

    GENERAL SAFETY PRECAUTIONS with cutting equipment that is blunt or faulty (wrong type WARNING! Never use a saw without a or badly sharpened) will increase the vibration level. muffler, or with a damaged muffler. A damaged muffler may substantially increase the noise level and the fire hazard. Keep fire fighting equipment handy.

  • Page 11: Sharpening Your Chain And Adjusting Depth Gauge Setting

    To maintain the safety features of the cutting equipment, you should replace a worn or damaged bar or chain with a bar and chain combinations recommended by Husqvarna. See instructions under the heading Technical Data for a list of replacement bar and chain combinations we recommend.
  • Page 12 GENERAL SAFETY PRECAUTIONS • The cutting part of the chain is called the cutter and Sharpening cutting teeth consists of a cutting tooth (A) and the depth gauge (B). The cutters cutting depth is determined by the difference in height between the two (depth gauge setting).

  • Page 13: Lubricating Cutting Equipment

    GENERAL SAFETY PRECAUTIONS Adjustment of depth gauge setting • Loosen the bar nut that holds the clutch cover and chain brake. Use the combination spanner. • The cutting teeth should be newly sharpened before adjusting the depth gauge setting. We recommend that you adjust the depth gauge setting every third time you sharpen the cutting teeth.
  • Page 14 GENERAL SAFETY PRECAUTIONS Filling with chain oil • Check that the groove in the edge of the bar is clean. Clean if necessary. • All our chain saws have an automatic chain lubrication system. On some models the oil flow is also adjustable.
  • Page 15 GENERAL SAFETY PRECAUTIONS Checking wear on cutting equipment • To prolong the life of the bar you should turn it over daily. Check the chain daily for: WARNING! Most chain saw accidents happen when the chain touches the operator. Wear personal protective equipment. See instructions under the heading ”Personal •...

  • Page 16: Assembly

    ASSEMBLY Fitting the bar and chain should be tensioned until it does not sag from the underside of the bar. See instructions under the heading Tensioning the chain. The chain is correctly tensioned when it does not sag from the underside of the bar, but can still be turned easily by hand.

  • Page 17: Fuel Handling

    • If the machine is not used for some time the fuel tank HUSQVARNA recommends the use of alkylate fuel, either should be emptied and cleaned. Aspen two-stroke fuel or environmental fuel for four-stroke engines blended with two-stroke oil as set out below. Note...

  • Page 18: Fuelling

    FUEL HANDLING Fuelling • Move the machine at least 3 m from the refuelling point before starting it. WARNING! Taking the following precautions, will lessen the risk of fire: Do not smoke and do not place any hot objects in the vicinity of fuel. Always stop the engine and let it cool for •...

  • Page 19: Starting And Stopping

    STARTING AND STOPPING Starting and stopping Starting WARNING! Note the following before starting: Grip the front handle with your left hand. Hold the chain The chain brake must be engaged when saw on the ground by placing your right foot through the the chain saw is started to reduce the rear handle.

  • Page 20: Starting And Stopping

    STARTING AND STOPPING • Never start a chain saw unless the bar, chain and all Stopping covers are fitted correctly. See instructions under the heading Assembly. Without a bar and chain attached to the chain saw the clutch can come loose and cause serious injury.

  • Page 21: Working Techniques

    WORKING TECHNIQUES Before use: • To make sure that none of the above might come within reach of your saw or be injured by falling trees. NB! Follow the instructions above, but do not use a chain Check that the chain brake works correctly and is not saw in a situation where you cannot call for help in case damaged.
  • Page 22 WORKING TECHNIQUES yourself incorrectly or make the cut in the wrong place in the way that might make you trip or lose your the tree may hit you or the machine and cause you to balance. lose control. Both situations can cause serious Lack of concentration can lead to kickback if the personal injury.
  • Page 23 WORKING TECHNIQUES the saw chain is jamming, the saw may be pushed Preparing to use the saw in the tree back at you. The chain saw should be checked, fuelled, started and warmed up by the ground worker and the chain brake should be engaged before it is sent up to the operator in the tree.

  • Page 24: Basic Cutting Technique

    WORKING TECHNIQUES stem, they will need to take steps to remove or counteract Basic cutting technique the increasing lateral forces by, for example, a re-direct of the main line via a supplementary anchor point or using WARNING! Never use a chain saw by an adjustable strop direct from the harness to a holding it with one hand.
  • Page 25 WORKING TECHNIQUES Two factors decide whether the chain will jam or the object Start by cutting from below (about 1/3 of the way through). that you are cutting will split: the first is how the object is supported before and after cutting, and the second is whether it is in tension.
  • Page 26 WORKING TECHNIQUES Felling technique for tree tops Another very important factor, which does not affect the felling direction but does affect your safety, is to make sure the tree has no damaged or dead branches that might WARNING! It takes a lot of experience to break off and hit you during felling.
  • Page 27 WORKING TECHNIQUES Felling cut Technical data section to find out which lengths of bar are recommended for your saw. The felling cut is made from the opposite side of the tree and it must be perfectly horizontal. Try to take a correct position so you are able to cut on the pull stroke.

  • Page 28: How To Avoid Kickback

    WORKING TECHNIQUES How to avoid kickback WARNING! Kickback can happen very suddenly and violently; kicking the chain saw, bar and chain back at the user. If this happens when the chain is moving it can cause very serious, even fatal injuries.

  • Page 29: Maintenance

    Carburettor finely adjusted. Fine adjustment should be carried out by a skilled technician. Your Husqvarna product has been designed and CAUTION! If the chain rotates while idling the T-screw manufactured to specifications that reduce harmful must be turned anti-clockwise until the chain stops.

  • Page 30: Checking, Maintaining And Servicing Chain Saw Safety Equipment

    MAINTENANCE High speed jet H Checking the front hand guard • The high speed jet H affects the power and speed of the machine. If the high speed jet is set too lean (screwed in too far) it will cause the machine to over- rev and damage the engine.

  • Page 31: Stop Switch

    MAINTENANCE go of the front handle. The chain should stop Chain catcher immediately. Check that the chain catcher is not damaged and is firmly attached to the body of the chain saw. Throttle lockout • Make sure the throttle control is locked at the idle setting when the throttle lockout is released.

  • Page 32: Muffler

    MAINTENANCE Muffler Starter WARNING! When the recoil spring is wound up in the starter housing it is under tension and can, if handled carelessly, pop out and cause personal Never use a machine that has a faulty muffler. injury. Care must be exercised when replacing the return spring or the starter cord.

  • Page 33: Air Filter

    A damaged air filter must always be replaced. A HUSQVARNA chain saw can be equipped with different types of air filter according to working conditions, weather, season, etc. Contact your dealer for advice.

  • Page 34: Spark Plug

    MAINTENANCE Spark plug the screw set to middle position. Turning the screw clockwise will reduce the oil flow and turning the screw anti-clockwise will increase the oil flow. The spark plug condition is influenced by: • Incorrect carburettor adjustment. • An incorrect fuel mixture (too much or incorrect type of oil).

  • Page 35: Maintenance Schedule

    MAINTENANCE Maintenance schedule The following is a list of the maintenance that must be performed on the machine. Most of the items are described in the Maintenance section. Daily maintenance Weekly maintenance Monthly maintenance Check the brake band on the chain On chain saws without a catalytic brake for wear.

  • Page 36: Technical Data

    TECHNICAL DATA Technical data 334T 338XPT Engine Cylinder displacement, cm 35,2 Cylinder bore, mm 38,0 Stroke, mm Idle speed, rpm 2800 2800 Recommended max. speed, rpm 13800 13800 Power, kW/ rpm 1,5/9600 1,7/9600 Ignition system Spark plug NGK BPMR 7A/...

  • Page 37: Bar And Chain Combinations, Model 334T

    TECHNICAL DATA Bar and chain combinations, model 334T The following cutting attachments are approved for the model Husqvarna 334T. Chain Length, inch Pitch, inch Gauge, mm Max. nose radius Type Length, drive links (no.) Husqvarna H36 Bar and chain combinations, model 338XPT The following cutting attachments are approved for the model Husqvarna 338XPT.

  • Page 38: Ec-Declaration Of Conformity

    Husqvarna AB , SE-561 82 Huskvarna, Sweden, tel: +46-36-146500, declares under sole responsibility that the chain saws for tree service, Husqvarna 334T and 338XPT from 2009’s serial numbers and onwards (the year is clearly stated in plain text on the type plate with subsequent serial number), are in conformity with the requirements of the COUNCIL’S DIRECTIVES: - of May 17, 2006 "relating to machinery"...
  • Page 42 ´®z+U/r¶6/¨ ´®z+U/r¶6/¨...
  • Page 44 Original instructions 1153158-26 ´®z+U/r¶6/¨ ´®z+U/r¶6/¨ 2009-11-09...

This manual is also suitable for:

338xpt

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