The Husqvarna 42 Chainsaw Operators Manual covers chainsaw maintenance, explains all aspects of the chainsaw and helps you to troubleshoot the Husqvarna 42 Chainsaw. View and Download the PDF chainsaw operator’s safety and operating instruction manual online. Download, view or save to any device including your computer, mobile phone or tablet or print for the workshop.
The Husqvarna 42 Chainsaw Operators Manual guide to chainsaw operating techniques covering safety and maintenance, with detailed information including pictures and clear illustrations.
Husqvarna 42 Chainsaw Operators Manual
Contents of the PDF operator manual include (depending on model):
Introduction, Safety, Chainsaw overview, Assembly, Operation, Maintenance, Troubleshooting, Technical data, Accessories, guide bar and saw chain, Lubrication.
Chainsaw User Instruction Manual
View Online Husqvarna 42 Chainsaw Operators Manual
Fuel pump, Twist lock, Chain brake, Oilomatic saw chain, Guide bar, Front chain tensioner, Side chain tensioner, Adjusting tensioner, Chain sprocket, Chain sprocket cover, Bumper spike, Chain catcher, Decompression valve, Muffler, Starter grip, Spark plug terminal, Oil filler cap, Fuel filler cap, Master control lever, Throttle trigger interlock, Throttle trigger, Front handle, Front hand guard, Rear handle, Rear hand guard.
This is the Husqvarna 42 Chainsaw User Guide, owner manual, instructions in PDF.
Adjusting Husqvarna 42 Chainsaw Carburetor
Husqvarna 42 Chainsaw chainsaw carburetor guide. The carburetor has been factory adjusted to provide the optimal engine air/fuel flow. Instructions for standard settings to adjust the idling screw, turning either clockwise or counter clockwise. Learn how to set the idling screw correctly if the engine is cutting out or idling incorrectly.
Learn how to check the spark plug for a good electrical spark, cleaning or replacing if required. Air filter cleaning and replacement is described in the operator manual. Detailed carburetor PDF manuals are available from this website.
Carburetor – General Chainsaw Adjustment
Adjusting the carburettor involves adjusting the engine to the local conditions e.g. climate, altitude, fuel and type of two-stroke oil. The carburettor is equipped with three adjustment options.
L = Low speed jet
H = High speed jet
T = Idling adjustment screw
The L and H jets adjust the fuel flow to match the airflow that the throttle valve opening allows. Turning them clockwise makes the fuel/air mixture weaker (less fuel in relation to the amount of air) and turning them anti-clockwise makes the fuel/air mixture richer. A weak mixture increases the engine speed and a rich mixture decreases the engine speed.
The T screw controls the throttle position when idling. Turning the T screw clockwise gives faster idling; turning it anti-clockwise lowers idling speed (see manual for complete guide).
Husqvarna 42 Chainsaw Specifications
ENGINE DISPLACEMENT: 42cc (2.5 cu. in.)
CYLINDER BORE: 42 mm (1.65 in.)
PISTON STROKE: 30 mm (1.18 in.)
H.P.: 2.9 hp (2.1 kW)
WEIGHT: 4.7 kg (10.4 lbs.), powerhead only
MAGNETO TYPE: Electronic SEM AM7
CARBURETOR: Walbro HDA-34A, 84, 98, 108 series
STARTER TYPE: Automatic rewind
OIL PUMP: Automatic, worm gear driven
MAXIMUM ENGINE RPM: 14,500 max free after break in, 9,300 under load.
IDLE RPM: 2,700
IGNITION TIMING: fixed
BREAKER POINT SETTING: none
FLYWHEEL/COIL AIR GAP: 0.30 mm (0.012 in.)
SPARK PLUG TYPE: Champion RCJ7Y, Bosch WS7F
SPARK PLUG GAP: 0.5 mm (0.020 in.)
FUEL TANK CAPACITY: 520 ml (17.6 fl. oz.)
FUEL OIL RATIO: 50:1
RECOMMENDED FUEL OCTANE: Regular grade
MIX OIL SPECIFICATION: Electrolux approved mix oil, Husqvarna mix oil
SHORTEST GUIDE BAR SUPPLIED: 33 cm (13 in.)
LONGEST GUIDE BAR SUPPLIED: 45 cm (18 in.)
See manuals for more Husqvarna 42 chainsaw specs.
More information for the service and repair of the Husqvarna 42 Chainsaw chainsaw can be found in any service workshop manual, parts list, carburetor manual and any technical notes. Available for PDF download or online viewing on this website.
Also check out any questions and answers, articles or the full specifications pages for the Husqvarna Chainsaw.
View and Download Husqvarna 42 Chainsaw Operators Manual online
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