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Husqvarna K 750 User Manual

Husqvarna K 750
55 pages
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HUSQVARNA CONSTRUCTION PRODUCTS
Workshop manual
K 750
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Husqvarna K 750 Specifications

General IconGeneral
Engine Power3.7 kW
Displacement73.5 cm³
Weight10.5 kg
Max Blade Diameter350 mm
Max. Cutting Depth125 mm
Cutting diameter350 mm
Engine Type2-stroke
Engine2-stroke

Summary

Literature

Workshop Manual Overview

Provides an overview of the workshop manual's content and structure.

Spare Parts Information

Details regarding the spare parts folder for the K750.

Special Functional Components

New Technical Solutions Overview

Introduces the K750's innovative technical features.

Dual Charge Engine Technology

Explains the engine's dual charge technology, emissions, and performance benefits.

Vibration and Muffler Improvements

Details on reduced vibration levels and the new muffler design.

Component Orientation

K750 Component Identification

Visual guide identifying major external components of the K750.

Dismantling into Basic Modules

Module Dismantling Overview

Introduction to the process of breaking down the machine into basic modules.

Starter and Cutting Arm Removal

Procedures for dismantling the starter and cutting arm.

Air Filter System

Air Filter Function and Principles

Explains the three-step filtration process.

Air Filter Service and Maintenance

Instructions for cleaning and replacing filter stages.

Fuel System

Fuel Filter and Hose Service

Procedures for fuel filter replacement and fuel hose testing.

Fuel Leak Diagnosis and Tank Venting

Isolating fuel leaks and servicing the tank venting system.

Fuel System Testing

Functional tests for air vents, filters, and non-return valves.

Carburettor

Carburettor Unit Dismantling and Cleaning

Steps for removing and cleaning the carburettor unit.

Carburettor Support Insert and Guides

Information on support inserts and replacing carburettor guides.

Carburettor Components and Air Valve

Identifying carburettor parts and servicing the air valve.

Carburettor Functional Tests and Needle Valve

Testing carburettor functions and inspecting the needle valve.

Carburettor Diaphragms and Fuel Strainer

Checking pump/measurement diaphragms and servicing the fuel strainer.

Carburettor Valve Axles and Idle Speed

Checking valve axles and adjusting idle speed.

Decompression Valve

Decompression Valve Function and Service

Explains valve function, dismantling, and leakage testing.

Cylinder and Piston

Compression Test Procedure

Detailed steps for performing a compression test on the cylinder.

Cylinder Dismantling Steps

Instructions for removing the cylinder from the engine block.

Piston Service and Circlip Removal

Procedures for piston dismantling, using tools, and removing circlips.

Gudgeon Pin and Piston Ring Service

Instructions for gudgeon pin work and piston ring installation.

Cylinder, Piston, and Ring Wear Tolerances

Wear limits for cylinder bore, piston, and piston ring grooves.

Piston Damage Diagnosis

Identifying common piston damage like wear, dust, scoring, and overheating.

Cylinder Assembly and Lubrication

Correct assembly procedures, piston orientation, and lubrication.

Crankcase

Crankcase Leakage Test Procedure

Steps for testing crankcase seals and identifying leaks.

Crankcase Seal Replacement

Tools and procedures for dismantling and assembling crankcase seals.

Crankcase Splitting and Shaft Removal

Tools and steps for splitting the crankcase and removing the crankshaft.

Main Bearing Removal and Replacement

Procedures for removing and installing the main bearing from the crankshaft.

Crankshaft Installation and Crankcase Assembly

Steps for fitting the crankshaft and assembling crankcase halves.

Clutch Service

Clutch Dismantling and Reassembly

Procedures for removing and refitting the clutch assembly.

Clutch Wear Tolerances and Components

Specifications for clutch engagement, shoes, and drum.

Clutch Springs and Support Ring Service

Procedures for servicing clutch springs and the support ring.

Needle Bearing Replacement in Clutch

Instructions for replacing the needle bearing in the clutch drum.

Ball Bearing Replacement in Clutch

Procedure for replacing the ball bearing in the clutch drum.

Cutting Head Service

Cutting Head Dismantling Steps

Procedures for taking apart the cutting head components.

Blade Shaft Bearing Replacement

Tools and steps for replacing the blade shaft bearing.

Bearing Unit Dismantling and Check

Procedures for removing the bearing unit and checking components.

Bearing Assembly and Axle Adjustment

Steps for assembling bearings and adjusting the axle.

Belt Pulley and Centre Bush Installation

Procedures for fitting the belt pulley and centre bush.

Friction Retarder

Friction Retarder Function and Replacement

Explains the retarder's function and replacement.

Centrifugal Unit Dismantling and Assembly

Procedures for dismantling and assembling the centrifugal unit.

Handle Controls

Throttle Trigger Lock and Dismantling

Checking the throttle lock and dismantling handle controls.

Tools for Service

Ignition, Piston, and Flywheel Tools

Tools for ignition system, piston service, and flywheel removal.

Crankcase, Clutch, and Bearing Tools

Tools for crankcase splitting, clutch work, and bearing replacement.

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