Workshop manual
340 345 346XP 350
English
Workshop manual Husqvarna 340/345/346XP/350/351/353
Contents
Appendix A, Carburettor - EPA models
Repairing a specific sub-assembly
Troubleshooting
Introduction
Arrangement of the manual
General instructions
Safety regulations
Special instructions
4 - English
Special tools
20 b 20 c
Special tools
20 a
6 - English
Technical data
Technical data
Carburettor
Construction and function
In part throttle mode the throttle valve F is par- tially open. Fuel is supplied through the diffuser jets
Construction and function
Starting
Troubleshooting
Idling low rpm
Idling low rpm cont
Troubleshooting
Troubleshooting methods
High rpm
Acceleration and retardation
Repair instructions
Cleaning and inspection
Chain brake - dismantling
Operating test
Chain brake - reassembly
Repair instructions
Silencer - removal
Chain catcher - replacement
Silencer - refitting
2 Refit
Stop switch - resistance measurement
Stop switch - removal
Cleaning and inspection
Repair instructions
Choke control - removal
Stop switch - refitting
Repair instructions
Throttle lock, throttle trigger and return spring - removal
Choke control - refitting
Throttle lock, throttle trigger and return spring - refitting
Cleaning and inspection
Generator - troubleshooting
Front hand grip - troubleshooting
Switch - troubleshooting
Rear hand grip heater - troubleshooting
Troubleshooting Front handle heater
Troubleshooting carburettor heater 346XPG, 351G, 353G
Switch
Operation
Hand grip heater on model 346XPG, 351G, 353G - refitting
Heater element and rear hand grip - removal
Heater element and rear hand grip - removal
Repair instructions
Replacing a broken or worn starter cord
Starter assembly - removal
Cleaning and inspection
Repair instructions
Tensioning the recoil spring
Starter assembly - refitting
Replacing a worn recoil spring
Repair instructions
Ignition module/flywheel - removal
Ignition module - testing
Model 346XP
Cleaning and inspection
Generator - refitting
Replacing the generator, model 346XP
Repair instructions
24 - English
0,3 mm
Ignition module and flywheel - refitting
Repair instructions
Centrifugal clutch - removal
Inspection and cleaning
Centrifugal clutch - refitting
Min 65mm
Model
Oil pump - removal 346XP, 350
Repair instructions
Model
Oil pump -refitting 346XP, 350
Oil pump - removal
Cleaning and inspection
Repair instructions
Repair instructions
Oil pump -refitting
Model
A C B
Adjustable oil pump - adjustment 346XP
Carburettor - removal
Repair instructions
On saws with a carburettor heater 346XPG, 351G, 353G
Carburettor - dismantling
Repair instructions
Cleaning and inspection
Carburettor - reassembly
Repair instructions
32 - English
Carburettor - refitting
Carburettor - pressure testing
On saws with a carburettor heater 346XPG, 351G, 353G
Repair instructions
Repair instructions
Carburettor heater 346XP, 351, 353 - Refitting
Cleaning and inspection
Air intake system - removal
Repair instructions
The air intake system comprises inlet manifold
Repair instructions
Air intake system - refitting
Basic settings and running in
Carburettor - adjustment
The factory settings are H = 1 turn and L = 1 turn
Fine adjustment
Carburettor - correct adjustment
Fine adjustment of idling speed T
Fuel tank - removal
High speed jet H
Replacing the fuel hose
Replacing the fuel filter
Cleaning and inspection
Repair instructions
Fuel tank - refitting
Tank vent - testing
Repair instructions
Models
Piston and cylinder - removal
If replacing the cylinder
Repair instructions
Cleaning and inspection
Decompression valve - pressure testing
Repair instructions
removal”
Repair instructions
Piston and cylinder - refitting 346XP, 350, 351
Piston and cylinder - refitting
Cylinder - pressure testing
Repair instructions
Repair instructions
Crankcase and crankshaft - dismantling 346XP
Sealing ring - replacement
Crankshaft bearings - replacement 346XP
Sealing ring replacement - drive side
Crankshaft complete - dismantling 340
Crankcase and crankshaft - reassembly 346XP
Crankshaft bearings 340, 345, 350 - replacement
Take care to avoid damaging the crank- case
Cleaning and inspection
Repair instructions
Crankshaft complete 340, 345, 350 - reassembly
48 - English
Guide bar bolts - replacement
Repairing damaged threads
Thread insert
Repair instructions
NOTE! Before making any adjustments the following must be done
Basic adjustment for EPA II carburetors
Replacement of the L-needle
2. Check that
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