Model Variant:
031, 031 AV, 032, 032 AV (AV = anti-vibration)
Product Type:
Chainsaw (gasoline-powered, hand-held)
Production Years Covered:
1970s-1980s production era
Manual Format:
PDF download
Target Audience:
Professional loggers, farmers, and serious firewood cutters
Engine Design:
Single-cylinder two-stroke with electronic ignition on late models
Anti-Vibration:
AV models use rubber buffers to isolate handles from engine vibration
Construction:
Magnesium alloy crankcase and covers for low weight and durability
Coverage Areas:
Engine, fuel system, ignition, clutch, oil pump, chain brake, handles, carburetor, and general servicing
Manual Type:
Service / workshop repair manual
Delivery Method:
Instant download
Engine:
Cylinder, piston, crankshaft, crankcase, bearings and seals
Fuel System:
Carburetor, fuel tank, fuel lines, filter and vent
Ignition System:
Flywheel, ignition coil, spark plug, wiring and kill switch
Lubrication:
Bar and chain oil pump, oil lines and pickup
Clutch and Drive:
Centrifugal clutch, sprocket, rim and chain drive
Chain Brake:
Quick-stop chain brake assembly and adjustment
Handles and AV:
Handlebar, rear handle, anti-vibration mounts
Cutting Equipment:
Guide bar, chain, sprocket and tensioner
Disassembly:
Step-by-step teardown of major assemblies
Inspection:
Component wear limits and inspection points
Repair:
Replacement of seals, gaskets, bearings and wear parts
Adjustment:
Carburetor tuning, idle and high-speed mixture settings
Assembly:
Torque and fitment guidance for reassembly
Troubleshooting:
Diagnostic tables for starting, running and cutting faults
Parts Information:
Exploded views and component identification for ordering
Technical Depth:
Factory-level service procedures suitable for technicians and experienced DIY owners
Illustrations:
Diagrams and exploded views included in the PDF
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Engine Type:
Single-cylinder, two-stroke, air-cooled gasoline engine
Model 031 Displacement:
Approximately 49 cc class
Model 032 Displacement:
Approximately 51 cc class
Ignition:
Electronic (breakerless) ignition on later production
Carburetor:
Diaphragm-type carburetor with adjustable idle and high-speed screws
Fuel:
Gasoline mixed with two-stroke oil
Air Filter:
Serviceable felt or mesh element
Standard Transmission:
Direct drive, centrifugal clutch to sprocket
Drive Type:
Chain drive via sprocket and guide bar
Clutch:
Automatic centrifugal clutch engaging at increased engine speed
Chain Tensioning:
Side or tool-adjustable chain tensioner
Lubrication:
Automatic bar and chain oil pump
Configuration:
Hand-held chainsaw with top or rear handle
Guide Bar Range:
Typically 16 to 20 inch bar lengths
Dry Weight:
Approximately 6 to 7 kg class depending on bar and options
Curb Weight:
N/A - power head weight varies with bar, chain and accessories
Chain Brake:
Quick-stop chain brake to reduce kickback risk
Throttle Lockout:
Throttle trigger lockout prevents accidental acceleration
Kill Switch:
Handle-mounted stop switch
Anti-Vibration:
Rubber AV mounts on AV models reduce operator fatigue
Hand Guards:
Front and rear hand guards
Air Filter:
Clean frequently in dusty conditions, replace when damaged
Spark Plug:
Inspect and replace per hours of operation
Chain:
Sharpen and tension before each use
Fuel System:
Inspect fuel lines and filter periodically
Fuel Mix:
Gasoline with STIHL two-stroke oil at manufacturer-specified ratio
Bar Oil:
Dedicated bar and chain lubricant
Common Wear Parts:
Chain, sprocket, bar rails, spark plug, air and fuel filters
Seals and Gaskets:
Crank seals and gaskets can fail with age and cause running faults