Husqvarna 340 Operator's Manual

Carb, epa

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Operator's manual (69 pages)

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Questions and answers

Lawson

April 8, 2025

What is the chain pitch and gauge

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Mr. Anderson

April 9, 2025

The chain pitch for Husqvarna part number 340 is 0.325 inches, and the gauge is 0.050 inches.

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Summary of Contents for Husqvarna 340

Page 1 340/345/350 CRAFTSMAN 359.35274 Operator's manual (CARB, EPA) Please read these instructions carefully and make sure you understand them before using the saw, 101 90 07-95...
Page 2: Key To Symbols
KEY TO SYMBOLS Symbols CAUTION! Chain saws can be dangerous! Careless or incorrect use can result in Switch off the engine by moving the stop switch to the STOP position before serious or fatal injury to the operator or others. carrying out any checks or maintenance.
Page 3 Model 340 IMPORTANT ENGINEINFORMATION/ _ Husq_rna ..HUSQVARNA AB HUSKVARNA SWEDEN EM THIS ENGINE CONFORMSTO U.S. EPA PH 1 EMISSION REGULATION FOR SMALL NONROAD ENGINES. REFER TO OPERATOR'S MANUAL FORMAINTENANCE SPECIFICATIONS AND ADJUSTMENTS. Model 345, 350...
Page 4: Chain Saw Safety Equipment
SAFETY INSTRUCTIONS CHAIN SAW SAFETY EQUIPMENT PERSONAL PROTECTIVE EQUIPMENT This section explains the various safety features of the saw, how they work, and basic inspection and maintenance you WHEN THE CHAIN TOUCHES THE OPERA- should carry out to ensure safe operation. (See the "What is MOST CHAIN SAW ACCIDENTS HAPPEN what?"...
Page 5: Model
SAFETY INSTRUCTIONS You can also use the 1 Chain brake and front hand guard chain brake as a YOUR chain saw is equipped with a chain brake that is desig- temporary brake when you ned to stop the chain immediately if you get a kickback. change position or if you The chain brake reduces the risk of accidents, but only You can put the saw down for a...
Page 6 SAFETY INSTRUCTIONS 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.
Page 7: Inspecting, Maintaining And Servicing Chain Saw Safety Equipment
SAFETY INSTRUCTIONS Vibration damping system Stop switch Your chain saw is equipped Use the stop switch to switch with a vibration damping off the engine. 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...
Page 8 SAFETY INSTRUCTIONS Inspecting, maintaining and servicing Checking the inertia brake release chain saw safety equipment SPECIAL TRAINING IS REQUIRED to service Hold the chain saw over a and repair chain saws. This is especially true stump or other firm object. of chain saw safety equipment.
Page 9 SAFETY INSTRUCTIONS Throttle lock Right hand guard Make sure the throttle Check that the right hand control is locked at the guard is not damaged and that there are no visible idle setting when you release the throttle lock. defects, such as cracks. Press the throttle lock and Vibration damping...
Page 10: Cutting Equipment
SAFETY INSTRUCTIONS CUTTING EQUIPMENT Muffler 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. •...
Page 11 SAFETY INSTRUCTIONS Some terms that describe the bar and chain 1 Cutting equipment designed to minimise 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.
Page 12 SAFETY INSTRUCTIONS It is very difficult to sharpen a Sharpening your chain and adjusting chain correctly without the raker clearance right equipment. We recommend you use a file gauge. This will help you obtain the maximum kickback reduction and cutting performance from your chain.
Page 13 SAFETY INSTRUCTIONS D Setting the raker clearance General advice on setting raker clearance , When you sharpen the cutting teeth you reduce the FLAKER CLEARANCE (cutting depth). To maintain Before setting the taker clearance the cutting teeth should be cutting performance you newly sharpened.
Page 14 SAFETY INSTRUCTIONS Lubricating cutting equipment Undo the bar nuts that hold the clutch cover and chain brake, using the combination spanner. Then tighten the nuts by Chain oil hand as tight as you can. , Chainsaw chain oil must demonstrate good adhesion to the chain and also maintain its flow caracteristics regardless of whether it is warm summer or cold winter weather.
Page 15 SAFETY INSTRUCTIONS Checking chain lubrication Needle bearing maintenance , Check the chain lubrication each time you refuel. The clutch drum is equipped Aim the tip of the saw at a with one of the following light coloured surface about chain sprockets: 20 cm away.
Page 16: How To Avoid Kickback
SAFETY INSTRUCTIONS HOW TO AVOID KICKBACK Check regularly: , Whether there are burrs on the edges of the bar. Remove these with a file if necessary. What is kickback? The word kickback is used to describe the sudden reaction that happens when the upper quadrant of the tip of the bar (known as the "kickback zone") touches an object and the...
Page 17 SAFETY INSTRUCTIONS General rules Take great care when you cut with the top edge of If you understand what kickback is and how it happens then the bar, i.e. when cutting you can reduce or eliminate the element of surprise. By from the underside of the being prepared you reduce the risk.
Page 18: Personal Protective Equipment
SAFETY INSTRUCTIONS FUEL SAFETY GENERAL SAFETY PRECAUTIONS (Refuelling, fuel mixture, storage.) Chain saws are designed solely for cutting wood. The only cutting equipment that can be used with this chain saw are the combinations of bars and chains recommended in the 'Technical data"...
Page 19 SAFETY INSTRUCTIONS Check the area around GENERAL WORKING INSTRUCTIONS you for possible obstacles such as roots, rocks, branches, ditches, etc., in case you have to move suddenly. Take great care when working on sloping ground. Important 1 Before using a chain saw you must understand the effects of kickback and what causes it, (See the section on "How to avoid kickback".) Take the utmost care...
Page 20 SAFETY INSTRUCTIONS Two factors decide whether the chain will jam or the log will 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 .
Page 21 SAFETY INSTRUCTIONS 2 The log is supported at one Tree felling technique end. There is a high risk that it will split. Safe distance A Start by cutting from The safe distance between a tree that is to be felled and below (about 1/3 of the anyone else working nearby is at least 21/2 tree lengths.
Page 22 SAFETY INSTRUCTIONS Clearing the trunk and preparing your retreat FELLING The felling cut is made from the opposite side of the tree and it Remove any branches that must be perfectly horizontal. Stand on the left side of the tree are in the way.
Page 23: General Working Instructions
SAFETY INSTRUCTIONS We recommend that you use Freeing a tree that has fallen badly = high a bar that is longer than the accident risk diameter of the tree, so that you can make the FELLING CUT and DIRECTIONAL with single cutting stokes. Freeing a"Trapped tree"...
Page 24: What Is What
WHAT IS WHAT? What is what? 15. Saw bar. Cylinder cover. Front handle. 16. Bumper. Front hand guard. 17. Chain catcher. Catches chain if it jumps or breaks. Starter cover. 18. Clutch cover. Chain oil tank. 19. Right hand guard. Protects right hand if chain breaks or jumps.
Page 25: Mounting Guide Bar And Chain
ASSEMBLY Mounting guide bar and chain Hold up the tip of the bar and tighten the chain. The chain is correctly tensioned when there is no slack on the underside of the bar, but it can still be turned easily by hand. Hold up the bar tip and tighten Check that the chain brake is the bar nuts with the...
Page 26: Fuel Handling
Two-stroke , For the best results use HUSQVARNA two-stroke oil, which is especially developed for chain saws. Mixing ratio 1:50 (2%). Chain oil , Never use two-stroke oil intended for water cooled outboard , The chain lubrication engines, so-called, outboard oil.
Page 27: Fuelling
FUEL HANDLING Fuelling Clean around the fuel cap. Clean the fuel and chain oil tanks regularly. The fuel filter should be changed at least once a year. Contamination the fuel tanks causes malfunction. Make sure the fuel is well mixed by shaking the container before fuelling.
Page 28: Start And Stop
START AND STOP Start Start and stop Grip the front handle with your left hand and hold the saw down by putting your right foot in the rear handle. Pull the starter handle with your right hand and pull out the starter cord slowly until the starter pawls engage.
Page 29: Carburetor
Carburetor Conditions , Before any adjustments are made the air filter 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.
Page 30: Starter Device
MAINTENANCE Starter device Tensioning the recoil spring Lift the starter cord up in the notch on the starter pulley and turn the starter pulley 2 turns clockwise, NOTE! Check that the starter pulley can be turned at least half a turn, when the starter cord is entirely pulled out, Changing...
Page 31: Air Filter
Rim sprocket (B) (exchangeable) A Husqvarna chain saw can be equipped with different types of airfilter according to working and weather conditions, season etc. Both versions have built-in needle bearing at the drive shaft, whitch has to be...
Page 32: Cooling System
MAINTENANCE Winter use Cooling system During winter time, powder snow and cold weather can cause running problems, such as: , Too low engine temperature. To obtain the lowest possible running temperature the saw is , Icing on the air filter and carburetor. equipped with a cooling system.
Page 33: Daily Maintenance
MAINTENANCE Below you will find some general maintenance instructions. Weekly maintenance If you have more questions, contact your servicing dealer. Check that the AV Daily maintenance elements are not soft or torn. Lubricate the clutch drum Check the throttle trigger bearing.
Page 34 0,325" solid bar. 0,325" Husqvarna H25 1 $24 or The following list is the chain saw manufacturers recommendations. There may 0,325" Oregon 21VB / 34LG or 34SL be other combinations available, which will also achieve kickback protection.
Page 35 Repair or replacement of any warranted part will be performed The EPA (The US Environmental Protection Agency), CARB at no charge to the owner at an approved Husqvarna Forest & (California Air Resources Board) and Husqvarna Forest & Garden servicing dealer. If you have any questions regarding...
Page 36 usqvarna SERVICE 340, 345, 350 340 EPA, 345 EPA, 350 EPA Spare parts Replaces Ersatzteile Ersetzt Pi_ces d_tach_es Remplace Reserve onderdelen Vervangt Repuestos Reemplaza Reservdelar Ers_tter 106 25 18-62, 106 24 56-62 106 25 18-63...
Page 37 DIV 71 SOURCE 503 89 30-02 503 89 30-02 *compl 537 10 78-01 ;,o_8_,__o,.IT1 p5371080_01.1 _Husqvarna "" *503 89 64-01 _ "503 85 66-01 _[_ _ 503 21 70-10" (x4) _J 503 21 70-10" *compl 537 10 55-01 (350) 503 81 56-01_503 81 59-01 *537 06 91-01 *503 23...
Page 38 DIV 71 SOURCE *503 20 34-25 *compl 503 91 05-01 *503 *compl 503 87 00-73 (340) *compl 503 87 02-74 (345) *compl 503 86 99-71 (350) 503 23 51-08 RCJ 22-01 (345) 503 23 RCJ 7Y 54-01 3 66 54-01 (345) 503 97 13-01 503 97 13-01 _503...
Page 39 DIV 71 SOURCE 359 *compl 503 86 27-02 (EU) 350 29-87 (x2) *compl 503 87 96-01 (FG) 340, 345 *compl 503 86 28-02 (DF) 340, 345, 350 *724 12 87-59 *503 86 36-01 20 29-87 (x2) 503 20 29-87 (x2) 537 02 40-02 NYLON 44p 537 02 40-01 NYLON 80p 537 02 40-03 FELT...
Page 40 DIV 71 SOURCE *compl 537 17 20-01 503 88 59-01 (350)_ 503 88 72-01 57-01 *503 86 92-01 93-01 (x2) *503 21 51-01 503 43 65-01 503 89 24-01 22 69-01 (x3) *503 87 54-01 (x2)_ *537 04 03-01 86-01 **compl 537 07 12-01 (345, 350)
Page 41 DIV 71 SOURCE ,L_9 *compl 503 86 37-71 04-01 * 62 98-01" 503 57 76-02 21 88-25 503 44 32-01 503 21 88-25 85 41-01 503 85 37-01 (340, 345) 503 90 93-01 (350) 503 89 83-01__ 503 21 88-16 (x2) 503 21 88-16 (x2)
Page 42 DIV 71 SOURCE compl 501 48 54-02 503 89 87-01 04-01 503 96 24-06 503 78 32-01 (x2) ._503 21 74-25 (x2) 503 79 05-02 (x2) 503 89 50-01 (x2) compl 503 82 43-01 *compl 537 10 47-01 06-01 *503 54 39-01 */*'501 63 06-01_ *503 21 77-16 503 21 73-21 (X4)_...
Page 43 DIV 71 SOURCE *compl 503 28 18-03 Walbro HDA 154 C **compl 503 28 16-14 Walbro HDA 159 A (EPA) 503 17 63-01" *503 10 87-01 (x4) 501 66 73-01" (_ 501 66 70-01" (_ "501 46 87-01 *503 63 82-01 505 31 67-17"...
Page 44 DIV 71 SOURCE Tillbeh6r Accessories 501 69 17-01 Zubeh6re Accessoires Accesorios 503 91 06-71 Winter kit *compl 537 04 28-71 "501 63 97-01_ 70-16"...
Page 45 DIV 71 SOURCE Up to 991499999 503 89 07-02 Up to 010604200 (340) Up to 010602850 (345) Up to 010702450 (350) *503 87 *503 85 99-01- Up to 000601101 (345) ,_::::_ 503 92 60-01 (x2)
Page 46 MODEL 340, 345,340 EPA, 345 E PA PART NUMBER SQUARE NOTE PARTNUMBER SQUARE NOTE PARTNUMBER SQUARE NOTE PARTNUMBER SQUARE NOTE 503 6 3 82-01N 503 9 1 04-07M 501 4 5 16-01 D,E 501 4 5 41-01 H 503 6 6 54-01D 503 9 1 05-01C 501 4 6 87-01 N 503 6 6 96-01N...
Page 47 IIIII IIII IIII IIIIIIII IIIIII 1998W48...

This manual is also suitable for:

350345345 epa 340 e epa ii 350 (epa i)