Husqvarna 343F, 345FX, 345FXT, 343R, 345RX manual Check for wear on pins a and B

Page 29

3	Fuel system
	Check for wear on pins (A) and (B).
	Replace the throttle control (C) and
	lever arm (D) if necessary.
	Check that the cables are properly
	pressed into the cut-outs (E) and that
	the throttle cable (F) is in the right
	groove.
	If necessary, attach it with silicon
	adhesive in order to facilitate assembly.
	Check that the protective bellows (G)
	are whole and that they are correctly
	mounted over the ball on the cable.
	G

Remove the bolt (A) and remove the
throttle from the handle.	Remove the bolt (A) that attaches the
	Remove the bolt (A) that attaches the
Remove bolts (B) and (C).	throttle to the handle.
Separate the halves of the throttle.	Be careful not to lose the nut.
	Remove the throttle and remove bolts
	(B) and (C).
	Carefully separate the two halves of the
	throttle.

28

Image 29

Contents English Workshop Manual Brushcutter, Trimmer Model 343R, 345RX, 343F, 345FX, 345FXT ContentsGeneral recommendations Starter ContentsDismantling 1StarterStarter AssemblyReplacing the drive dogs Electrical system 502 71 Electrical systemChecking the ignition spark Tip 502 50 Replacing the spark Plug cover502 54 Heated handles Drive dogsWiring diagram Electrical system Fuel system Air filter Fuel systemFuel filter Tank ventingDismantling Fuel pumpCarburettor Blending unit Carburettor’s designMetering unit Dismantling the carburettor Pump unitFuel system Little shorter than the L-needle PositionedFor example, the H-needle is a Assembling the carburettor Than the L-needle H-needle is a little shorterCheck carefully that the fuel hoses Are not bent or pinched whenFine adjustment Carburettor settingsBasic setting Correctly adjusted carburettor Setting Recommended max. speed must not be exceededTachometer should always be used to find the optimal Idling speed T-screwAdjusting the L-needle Adjusting the H-needle Carburettor adjustment 345RX/FXThrottle RotatingCheck for wear on pins a and B Tip Page Centrifugal clutch 502 21 Centrifugal clutchDo not lose the sleeve bearings found in the clutch shoes Centrifugal clutch502 11 Clutch drumChange the bearings in the clutch housing if necessary Page Angle gear Let the small circlip around the axle remain Angle gearInput axle with pinion must be dismantled first 503 97503 80 ShaftCylinder and piston Cylinder and piston Decompression valve Turn the valve the right way when fittingWhen the valve is fitted the small hole must face outwards Inlet manifold Cleaning, inspectionCause Action Analysis and actionsInsufficient lubrication Piston scoring caused by heavy carbon deposits Piston ring breakage Piston damage caused by a too high engine speedCause Foreign objectsDefect Action Service tipsWear tolerances Crankshaft and crankcase Crankshaft and crankcase 502 52 Crankshaft and crankcaseInspecting Crankshaft Assembly Press down the sealing plates as Leakage testing CrankcaseFar as possible between the bolts To ensure a proper seal503 55 Husqvarna E-Tech