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Husqvarna 40 User Manual

Husqvarna 40
66 pages
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Workshop
manual
chain saw model
101 88 10-96
40
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com
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Husqvarna 40 Specifications

General IconGeneral
Chain Pitch3/8"
Weight4.4 kg
Oil Tank Volume0.2 liters
Chain Gauge0.050 inches
Bar Length13-18 in (33-45 cm)

Summary

Introduction

Engine Specifications

Fuel and Lubrication System

Details the fuel and oil supply systems.

Technical Data

Tightening Torques

Service Data

Leakage Testing

Crankcase/Cylinder Vacuum Test

Procedures for testing crankcase and cylinder vacuum integrity.

Carburettor Pressure Test

Process for pressure testing the carburettor.

Service Tools

Safety Equipment

Chain Brake Disassembly and Testing

Steps for chain brake removal and function tests.

Throttle Control Servicing

Servicing the throttle trigger and lockout mechanism.

Chain Catcher

Guidance on checking and replacing the chain catcher.

Starter Device

Electronic System

Spark Check and Ignition Module Adjustment

Procedure for spark check and ignition module adjustment.

Centrifugal Clutch

Clutch Shoe Wear Check

Guidance on checking clutch shoe wear and replacement procedure.

Lubrication System

Trouble Shooting Chart (Lubrication)

A chart to diagnose lubrication and leakage issues.

Fuel System

Carburettor

Carburettor Removal

Steps to unhook throttle cable and remove the carburettor.

Carburettor Adjustment

Detailed guide for adjusting the carburettor settings.

Needle Adjustments (L, H, T)

Fine-tuning of low, high, and idle speed needles.

Trouble Shooting Chart

Engine Unit

Cylinder and Crankshaft Removal

Disassembly of cylinder and crankshaft components.

Seal Ring Replacement

How to change the crankshaft seal rings during engine rebuild.

Piston and Connecting Rod Assembly

Steps for assembling the piston and connecting rod.

Retightening Cylinder Screws

Procedure for re-torquing cylinder screws after initial run-in.

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