Husqvarna 325HDA Workshop Manual Download Page 1

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101 90 73-26

Workshop manual

Husqvarna Hedgetrimmers

325HS/ 325HE/ 325HDA

For Husqvarna Parts Call 606-678-9623 or 606-561-4983

www.mymowerparts.com

Summary of Contents for 325HDA

Page 1: ...101 90 73 26 Workshop manual Husqvarna Hedgetrimmers 325HS 325HE 325HDA For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 2: ...2 For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 3: ...______________________ 27 9 Cutting equipment ________________________ 31 Copyright Husqvarna AB Sweden 2000 This supplement only takes up elements specific to the above mentioned models For complete information when servicing we rec ommend that the supplement is studied together with the Workshop Manual Order no 101 90 74 26 and the supplement for brushcutters trimmers pruners and hedge trimmers ...

Page 4: ...4 For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 5: ...5 1 Starter Contents General ___________________________________ 6 Replacing the drive dogs supplement ___________ 6 For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 6: ... 325HS75 325HS99 Fit the balance weight in the drive cup if necessary Fit the drive cup on the crankshaft NOTE Risk for incorrect assembly If the weight is fitted on the wrong side of the drive cup the blades will vibrate heavily when the engine is running Deviations Starter handle placement The drive cup is fitted with a balance weight General See Brushcutter 325 The balance weight should be faci...

Page 7: ...7 2 Ignition system Contents General 8 Assembling the cylinder cover 8 For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 8: ...ith the slot for the screw pin make sure that when the cover is moved down that the ignition cable is secured by the wedge shaped cut out in the cylinder cover Assembling the cylinder cover 325HS75 325HS99 Fit the cylinder cover NOTE Risk for incorrect assembly The ignition cable can be damaged by the flywheel if incorrectly routed The protective casing on the ignition cable must be clamped in the...

Page 9: ...______________________ 10 Assembling the fuel tank ____________________ 10 Max speed modification _____________________ 11 Assembling the cylinder cover ________________ 11 For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 10: ...et the function and repair methods are essentially the same General 325HS75 325HS99 325HDA55 325HE3 325HE4 See Brushcutter 325 Deviations Fuel tank and modified design The cylinder cover is secured by four screws 325HS The speed is limited to 11 600 rpm 325HS The carburettor s needle H is not adjustable 325HDA 325HE The speed is limited to 10 000rpm 325HDA 325HE Thread on two rubber supports on to...

Page 11: ...t the cylinder cover see the instructions under chapter 2 Ignition system NOTE Risk for incorrect assembly The ignition cable can be damaged by the flywheel if incorrectly routed The protective casing on the ignition cable must be clamped in the securing ear to get sufficient length of ignition cable to the wedge shaped cut out If the wrong screw is placed in the hole closest to the gearbox the th...

Page 12: ...12 For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 13: ...13 4 Centrifugal clutch Contents Dismantling 14 Assembling 15 For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 14: ...rating as well as in the reversed situation when the cutting equipment jams Thereby preventing abnormal load changes on the crankshaft The engagement speed has been carefully tested so that the engine can idle without the cutting equipment s drive shaft rotating Dismantling 325HS75 325HS99 Remove the engine see 9 Cutting equipment Dismantling the gearbox on 325HS NOTE Both the clutch shoes and spi...

Page 15: ...5 325HS99 Assembling the clutch drum Lock the cutting equipment by placing a 6 mm allen key through the hole in the bottom of the gearbox and loosen the clutch drum screw using a 5 mm allen key Remove the screw washer and clutch drum Remove the clutch bridge from the flywheel Remove the clutch drum if it is dam aged or worn Fit the clutch shoes NOTE Risk for incorrect assembly Turn the clutch shoe...

Page 16: ...16 4 Fit the engine see 9 Cutting equipment Fit the gearbox Centrifugal clutch For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 17: ...nts General __________________________________ 18 Dismantling _______________________________ 18 Assembling _______________________________ 21 For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 18: ...hat it is com fortable and at the same time efficient This therefore means that cutting equipment is adjustable in relation to the shaft The setting limits the angle limiter General 325HDA55 325HE3 325HE4 See Brushcutter 325 Dismantling 325 HDA55 325HE3 325HE4 Remover the angle limiter Remove the cover from the angle gear housing Remove the support plate for the cutting equipment For Husqvarna Par...

Page 19: ...g from the pinion if necessary Remove the outer circlip on the pinion from the housing for the shaft Remove the pinion from the housing for the shaft Use small circlip pliers for the axle and puller 504 90 90 01 Heat using a hot air gun to approx 125 C and knock against a wooden surface Remove the axle and crown wheel from the angle gear Gear For Husqvarna Parts Call 606 678 9623 or 606 561 4983 w...

Page 20: ...earing replacement Heat using a hot air gun to about 125 C and knock against a wooden surface Remove the eccentric cams Remove the felt seals Remove the locking plate Remove the wear washer Remove the connecting rod Gear For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 21: ... grease 503 98 96 01 when assembling Fit the bearing and circlips Fit the cutting equipment Fit the support plate for the cutting equipment Remove the circlips for the bearings Heat using a hot air gun to approx 125 C and press out the bearing The eccentric cam s bearing 27 mm punch 502 50 30 04 crown wheel axle s bearing 22 mm punch Remove the bearing Two screws the outer accessible through the h...

Page 22: ...g rod turn by hand and check that the blades move without jamming Fit the connecting rod Turn the connecting rod with the rounded edges facing towards the eccentric cam and guide in the cutting equipment Fit the wear washers Turn the wear washer with the rounded edges facing towards the eccentric cam Fit the locking plate Avoid misalignment Make sure the cover sits correctly and fit the screws tig...

Page 23: ...ositioning Make sure the circlip has a good grip Fit the cog wheel and a new circlip on the axle to the gearbox Fit the axle with crown wheel in the angle gear Fit the housing for the shaft Two screws with washers Counter hold on the axle s spanner flats Fill the angle gear 2 3 with grease 503 98 96 01 Fit the cover on the angle gear Turn the cover with the cut out facing towards the housing for t...

Page 24: ...ngle limiter Check that it is possible to turn the input axle with a screwdriver without jamming or jumping and that the blades function normally For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 25: ...nkshaft and crankcase Contents Dismantling _____________________________________ 26 Assembling _____________________________________ 26 For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 26: ...w bearing on the crankcase s short spindle with the bearing s open side facing inwards towards the crank disc Punch 502 50 30 13 Wedge in a shim between the balance weights press on the ball bearing on the long spindle with the stuffing box turned towards the crank disc Turn a little on the outer ring while pressing so that the stuffing box enters on its collar Remove the shim Lubricate the big en...

Page 27: ...27 8 Exhaust system Contents General 28 Dismantling the muffler 28 Assembling 29 For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 28: ...m is an important part of a two stroke engine to maintain the right engine power It is therefore tuned at the factory to dampen the noise and give the best engine power When running with a too rich fuel mixture the muffler will be blocked by the residual deposits which can mean that a sufficiently high speed is not attained and the engine power drops Even if the muffler does not have sufficient in...

Page 29: ...e the fin and guide the components towards the cylinder Fit the muffler s lower mounting screw Remove the allen key and fit the upper mounting screw NOTE Assembly order Cylinder spacer fin muffler Otherwise the ignition cable can come in the wrong position For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 30: ...30 For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 31: ...g equipment _____________ 36 Sharpening the blades ______________________ 36 Assembling the cutting equipment _____________ 36 Fitting the cutting equipment _________________ 37 Fitting the gearbox _________________________ 37 Changing the front springs ___________________ 39 Changing the rear springs ___________________ 39 For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com...

Page 32: ...ment to avoid cuts to the hands Wear protective gloves if necessary Removing the gearbox 325HS75 325HS99 Remove the cylinder cover See Starter Remove the heat guard over the muffler Remove the starter Release the handle from the frame For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 33: ...g press the bearing against the stop check that the bearing race lies under the edge of the housing Sealed bearing 26 mm punch 502 52 05 01 Non sealed bearing 28 mm punch 502 50 30 04 Remove the guide plate Remove the felt seal Remove the thrust washer Remove the flat washer Remove the lower connecting rod Remove the three lock nuts for the blades and support plates NOTE The connecting rod has a n...

Page 34: ...Remove the lower eccentric cam washer upper connecting rod upper eccentric cam and the gear from the axle If the small gear is damaged or the bearing for the clutch drum s gear axle is to be replaced then the gearbox must be removed from the engine Remove the clutch drum s screw washer and the clutch drum Counter hold using the hexagon grip on the end of the axle When replacing the bearing heat th...

Page 35: ...utting equipment s screws Tighten the lock nuts Counter hold the screws inside the gearbox Check that the cutting equipment s washer moves If the washer does not move loosen the hexagonal screw max a 1 4 turn Turn the lower connecting rod so that the pin fits in the cutting unit Fit the lower connecting rod Fit the felt seal Fit the flat washer on the gear assembly s axle Fit the thrust washer on ...

Page 36: ...ing Place the bar flat on the bench with the plain holes to the right Place the blades edge to edge on the bar and for 325HS with the teeth facing away from you Fit the guard plate in the outer securing screw s hole Turn the long part outwards only 325 HS Fit and tighten the securing screws with washers as normal no washer by the guard plate on 325 HS Fit the lock nuts Loosen the screws a 1 4 turn...

Page 37: ...The cables will be damaged by the flywheel if routed incorrectly Position the short circuit cable in the cut out in the gearbox Place the ignition cable in cut out in the gearbox Check that the clip set is in position on the gearbox Fit two rubber supports for the tank on the gearbox Fit the tank guide onto the rubber supports press into position Cutting equipment For Husqvarna Parts Call 606 678 ...

Page 38: ...alls into place and posi tion the screw by the starter handle to secure Fit the heat guard with a screw Fit the handle on the frame Turn the handle s screw so that the nut is against the tank The nut s flat side against the handle Cutting equipment For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 39: ...and tighten the screws on the starter heat guard and cylinder cover Changing the front springs 325HS75 325HS99 Remove the 3 screws holding the springs in the frame and wear plate Unscrew the spring from the gearbox Replace the front support spring Remove the screw located in the wear plate Remove the screw located in the frame Changing the rear springs 325HS75 325HS99 Remove the 3 screws holding t...

Page 40: ...44 3 6 2001W03 101 90 73 26 For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

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