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Husqvarna LC48 Workshop Manual
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Husqvarna LC48 Workshop Manual

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Workshop manual
LC48 e LC48B e
LC53 e LC53B e
LC53E e LB48 e
English

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Summary of Contents for Husqvarna LC48

  • Page 1 Workshop manual LC48 e LC48B e LC53 e LC53B e LC53E e LB48 e English...
  • Page 3 Engine Workshop Manual Lawnmowers Models LB48, LC48, LC53 Explanation of model codes: L B, C 1: L = Lawnmower 2: B = Bio Clip C = Grass catcher 3: 48 = Cutting width in cm 4: B = Blade clutch...
  • Page 4 fi ed in the operator’ s manual. The fi tting of other attachments lining these procedures. or accessories or spare parts not approved by Husqvarna may result in these safety requirements not being met and We recommend using special tools, fi rstly to avoid personal...
  • Page 5 Engine Engine Contents Engine replacement, LC48, LC53 without blade clutch _ 4 Engine replacement, LC48, LC53 with blade clutch ____ 5 Engine replacement, LC48, LC53 with electric starter __ 7...
  • Page 6 Engine Engine replacement Engine replacement LC48, LC53 LC48, LC53 Without blade clutch Without blade clutch Disconnect the engine brake cable. Disconnect the engine brake cable as follows: 1. Loosen the cable tension by moving the lever arm on the engine forward using a pair of fl...
  • Page 7 (anti-clockwise viewed from below) NOTE! Check the engine has the right amount oil before starting. Engine replacement Engine replacement LC48, LC53 LC48, LC53 With blade clutch With blade clutch Remove the blade. 1. Remove both screws (A) and remove the blade.
  • Page 8 Engine Remove the centre screw (D). 3. Remove the centre screw (D). This can sit very tightly (tightening torque 65 Nm). Place the counterhold tool 576 79 83-01 over the fl at milled surfaces of the belt pulley behind the clutch as shown in the illustration.
  • Page 9 (anti-clockwise viewed from below) NOTE! Check the engine has the right amount oil before starting. Engine replacement Engine replacement LC48, LC53 LC48, LC53 With electric starter With electric starter In addition to the procedure described In addition to the procedure described...
  • Page 10 Engine...

  • Page 11: Table Of Contents

    Rear axle without drive, dismantling _______________ 11 Rear axle without drive, assembling _______________ 12 Rear axle with drive, dismantling __________________ 12 Rear axle with drive, assembling __________________ 14 Replacing the drive belt _______________________ 14 Height control lock, LC48 e, LC53 e _______________ 14...

  • Page 12: Front Axle, Dismantling

    Wheels and drive system Front axle Front axle Dismantling Dismantling Prize off the hub cap and dismantle the Remove the hub cap by prizing it off with a wheel. screwdriver. Disconnect the connecting rod for the Unscrew the centre screw (A) and remove height setting.

  • Page 13: Rear Axle Without Drive, Dismantling

    Wheels and drive system Dismantle the parts in the right front wheel Remove the barrel nut (B) and disconnect suspension. the other parts for cleaning and possible replacement. Note how the spring (C) for the height setting is fi tted. Replace any ball bearings in the wheel.

  • Page 14: Rear Axle With Drive, Dismantling

    Wheels and drive system Dismantle the wheel link on the right-hand Remove the barrel nut (C) holding the side. wheel link (D) to the front axle on the right- hand side. Remove the wheel link along with attached height setting lever. Remove the spring and the rear axle.
  • Page 15 Wheels and drive system Dismantle the cogwheel for the drive on Prize off the circlip using a small screw- both sides. driver and remove the cogwheel from the drive shaft on both sides. NOTE! Always replace lockwashers when assembling after a service. Unhook the spring (A).

  • Page 16: Replacing The Drive Belt

    Assemble the other components in the reverse order as set out for dismantling. Height control lock, Height control lock, LC48 e, LC53 e LC48 e, LC53 e The lock becomes accessible once the Dismantle the outer cover and the pressure outer cover and the pressure control are control.
  • Page 17 Wheels and drive system Dismantle the bearing pin (A) and remove Use a hammer and a suitable mandrel to the lock (C). push out the bearing pin (A). Fit new springs and other parts in the The spring (B) will fall off and the lock (C) reverse order.
  • Page 18 Wheels and drive system...
  • Page 19 Controls Contents Engine brake, model LC48, LC53 _________________ 18 Engine brake, model LC48 Be, LC53 Be ___________ 18 Blade clutch, model LC48 Be, LC53 Be ____________ 19 Drive, model LC48, LC53 _______________________ 20 Short-circuit contact, model LC53 Be ______________ 21...
  • Page 20 fl at nosed pliers and lift away from the lever arm. Model LC48 Be, LC53 Be The engine brake bar, the blade brake and drive controls have a coordinated function.
  • Page 21 Controls Blade clutch Blade clutch Model LC48 Be, LC53 Be Model LC48 Be, LC53 Be Remove the nut and separate both halves 1. Remove the nut holding both covers of the cover. together and separate them carefully using a screwdriver.
  • Page 22 Controls Drive Model LC 48, LC53 1. Remove the screw and the washer (A). 2. Lift off the lever arm (B) and the spring (C). Note the position of the spring! 502 51 67-01 Detach the cable from the reinforcing Remove the covers over the rear axle triangle on the gearbox.
  • Page 23 Controls Prize off the cover (D) using a screwdriver. Lift off the control arm (E). Remove the starter pulley (F) and the control cable (G). See above with regard to connecting the cable to the gearbox. Replace damaged parts and assemble in the reverse order as set out for dis- mantling.
  • Page 24 Controls Starter contact Starter contact Model LC48 E, LC53 E Model LC48 E, LC53 E Remove the cover over the battery and Remove the protective cover over the separate the contacts. battery in the back edge of the mower. Cut the contact (A) to prevent short- circuiting.
  • Page 25 Handlebar Handlebar Contents Handlebar, model LC48 ________________________ 24 Handlebar, model LC53 ________________________ 24 Replacing the drive control cable _____________ 25 Replacing the blade clutch cable ______________ 25 Replacing the electric starter cable ______________ 25...
  • Page 26 Handlebar Handlebar Handlebar Model LC48 Model LC48 Dismantle the control from the handle- Dismantle the control screwed to the bar and the engine brake cable from the handlebar. mounting. Clamp the sides of the engine brake bar Unscrew the engine brake cable holder.
  • Page 27 Handlebar Disconnect the control cable on the gear- Disconnect the drive control cables and box and blade clutch respectively. the blade clutch from the gearbox and crankshaft clutch respectively (see chap- ters entitled “Controls” and “Engine”). Replacing the drive control cable Replacing the drive control cable Remove the screws and barrel nuts by Remove the screws and barrel nuts by...
  • Page 28 Handlebar...
  • Page 29 Electric starter Electric starter Contents Starter battery, model LC48 E, LC53 E ___________ 28 Circuit board, model LC48 E, LC53 E ____________ 28...
  • Page 30 Electric starter Starter battery Starter battery Model LC48 E, LC53 E Model LC48 E, LC53 E Remove the protective cover over the Remove the protective cover over the gearbox to access the battery. gearbox to access the battery. Separate the contacts (A).
  • Page 31 Technical data Technical data Contents Technical data LC48 __________________________ 30 Technical data LC53 __________________________ 31...
  • Page 32 Technical data Engine LC48 LC48 V LC48 VE LB48 LB48 V Engine manufacturer Briggs & Briggs & Briggs & Briggs & Briggs & Stratton Stratton Stratton Stratton Stratton Cylinder displacement cm Speed, r/min 2,900 2,900 2,900 2,900 2,900 Nominal engine output, kW (see note 1)
  • Page 33 Technical data Engine LC48 e LC53 e LC53 Ee Engine manufacturer Briggs & Briggs & Briggs & Stratton Stratton Stratton Cylinder displacement cm Speed, r/min 2,900 2,900 2,900 Nominal engine output, kW (see note 1) Ignition system Spark plug Champion...
  • Page 34 Technical data Engine LC48 Be LB48 e LC53 Be Engine manufacturer Briggs & Briggs & Briggs & Stratton Stratton Stratton Cylinder displacement cm Speed, r/min 2,900 2,900 2,900 Nominal engine output, kW (see note 1) Ignition system Spark plug Champion...
  • Page 36 115 39 33-26 2010W33...

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