Husqvarna 40 Repair Manual
Husqvarna 40 Workshop Manual for the Husqvarna chainsaw. Repair and service the 40 with this manual. The manual has diagrams and accurate information as used by mechanics and repair shops to troubleshoot and repair the chainsaw.
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The manuals have plenty of pictures and diagrams to help with repairs and servicing. May be used as a guide for other models as they may share key components such as motors.
Husqvarna 40 Workshop Manual Contents
The index may vary with model number
Introduction, Specifications, Troubleshooting, Attachments, Air Filter, Carburetor, Crankcase, Clutch, Engine, Ignition, Starter, Servicing, Controls, Fuel System, Electrics, Special Tools.
This PDF manual helps you find the information you need quickly and easily. it provides a detailed description of procedures for troubleshooting, repair and testing of the chain saw.
Husqvarna 40 Chainsaw Specifications
YEAR INTRODUCED: 1978
YEAR DISCONTINUED: 1991
ENGINE DISPLACEMENT: 40cc (2.4 cu. in.)
CYLINDER BORE: 40mm (1.575 in.)
PISTON STROKE: 32mm (1.260 in.)
CYLINDER TYPE: Aluminum with a chrome-plated bore
INTAKE METHOD: Piston ported
MANUFACTURER ADVERTISED H.P.: 2.5 (1.8 kW)
WEIGHT: 5.6 kg with 32 cm bar & chain, 12.3 lbs. with 13 in. bar & chain
CHAIN BRAKE: Mechanical
CLUTCH: Centrifugal
DRIVE TYPE: Direct
CONSTRUCTION: Die-cast magnesium
MAGNETO TYPE: Breaker point flywheel ignition system
CARBURETOR: Walbro HDC series, ZAMA C1Q-EL1
MAJOR REPAIR KIT: K10-HDC for Walbro, RB-45 for ZAMA
MINOR REPAIR KIT: D10-HDC for Walbro, GND-33 for ZAMA
AIR FILTER SYSTEM: Nylon mesh cartridge
STARTER TYPE: Husqvarna automatic rewind
OIL PUMP: Automatic, adjustable
MAXIMUM ENGINE RPM: 9,000, 12,500 max free after break in.
IDLE RPM: 2,500
IGNITION TIMING: Points should begin to open when the mark on the flywheel is 2.5mm (0.1 in.) from the upper edge of lower coil lamination leg. Use a test light or continuity meter for the setting.
BREAKER POINT SETTING: 0.3 to 0.4mm (0.012 to 0.016 in.)
FLYWHEEL/COIL AIR GAP: 0.30 to 0.35 mm (0.012 to 0.016 in.)
SPARK PLUG TYPE: Bosch WS7F, Champion RCJ7Y
SPARK PLUG GAP: 0.5mm (0.020 in.)
CRANKSHAFT MAIN BEARINGS: Ball
FUEL TANK CAPACITY: 500 ml (1.05 pints)
FUEL OIL RATIO: 50:1
RECOMMENDED FUEL OCTANE: Regular
MIX OIL SPECIFICATION: Two-stroke chain saw mix oil
SHORTEST GUIDE BAR SUPPLIED: 32 cm (13 in.)
LONGEST GUIDE BAR SUPPLIED: 45 cm (18 in.)
Husqvarna 40 Workshop Manual PDF
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