Husqvarna 2100 Workshop Manual Download

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Workshop

manual

chain saw model

101 88 01-26

2100

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

www.mymowerparts.com

Summary of Contents for 2100

Page 1: ...Workshop manual chain saw model 101 88 01 26 2100 For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 2: ...n ServiceData SpecialTools Fuelsystem Carburet or Electric system Lubricating system Oil pump Crankcase Starter Centrifugal Crankshaft Clutch SafetyEquipment For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 3: ... gallon 0 22 Imp gallon Fuel mixture 4 1 25 With HusqvarnaTwostroke Oil 2 1 50 0 65 Iitres 0 17 US gallon 0 14 Imp gallon Two separatelubrication systems Automatic No supply during idling Adjustable for two different delivery rates Bar 15 21 Position I Bar 21 and more Position II Manual Hand operated pump on the left sideof the rear handle Standard 7 teeth 0 404 Pitch Optional 8 teeth 3 8 Pitch 1 ...

Page 4: ... smallest cylinder diameter and C the largest piston grades should be matched or one grade smaller E g it is not permissible to use a grade B piston in a grade A cylinder Technical SpecificationEl Fig 1 1 1 2 For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 5: ...i Max leakage 0 02 MPa 30 sec 0 2 kp cm2 2 8 psi per 30 see Tools 5025038 01 Pressuregauge 5025081 01 Cover plate exhaust port 5025047 01 Cover plate inlet port Fig 2 2 Fueltank Pressure 0 05 MPa 0 5 kp cm2 7 1 psi Leakage No leakagepermitted Tool 5025038 01 Pressuregauge Carburetor Pressure 0 03 MPa 0 3 kp cm2 4 3 psi Leakage No leakagepermitted Tool 5025038 01 Pressuregauge Fig 2 3 2 1 For Husqv...

Page 6: ...trol in variousproportions depending on the type of oil used Pre mixed oil 1 20 5 oil Ordinary twostroke oil 1 25 4 oil HusqvarnaTwostroke Oil 1 50 2 oil Seealsothe mixing table below Fig 2 7 Mixing table Mixingtable Litres Pints of oil of oil 0 2 0 35 0 4 0 70 1 0 1 76 2 Litres Petrol in Petrol in of petrol Imp gallon US gallon 10 2 2 2 6 20 4 4 5 2 50 11 0 13 2 4 I 5 I Litres Petrol in Petrol in...

Page 7: ...ServiceData Q TorqueNm ft lb m m m w Ci m 6i m Com AE L 2 3 For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 8: ...itting tool 5025022 01 NV 8 mm 5025023 01 NV 10 mm Socket spanner 5025024 01 Spanner clutch centre 5025025 01 Holding bar compl 5025026 01 Puller compl with screw 5025030 01 Fitting tool compl for crankshaft 5025033 01 Piston stop 5025036 01 Revolution counter 5025037 01 Vacuum gauge compl 5025038 01 Pressuregauge compl 5025042 01 Lithium grease250 g 0 55 lb 5025045 01 Distancesleeve 35 mm 5025047...

Page 9: ...for vibration damper 5025069 01 Fitting drift piston pin 5025070 01 Q o 6 5025070 01 Piston mounting set compl 5025081 01 Cover plate exhaust port 5025082 01 Fitting drift sealingring 5025083 01 Hook for oil filter 5025084 01 Electrotester 5025085 01 Oil pump tester compl 5025086 01 NV 3 mm 5025087 01 NV 4 mm Allen screwdriverwith ball 3 2 For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www ...

Page 10: ...urepack for Jet Pac 5025101 01 Extractor sealingring 5025102 01 Clamping device 5025106 01 Glue adhesive 5025107 01 Glue epoxy 5025108 01 Loctite AA normal locking power 5025109 01 Loctite AAV strong locking power 5025124 01 SEM electric systemtester 3 3 For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 11: ...agm cover and the me tering diaphragm Note that the centre pin of the diaphragm enters the forked end of the lever of the needlevalve Connect the pressuregauge5025038 01 to the fuel inlet of the carburetor and pump until a pressureof 0 03 MPa 0 3 kp cm2 is reached Check for any leakageat the needlevalveor at the gasketon the pump side The easiestway of locating leakagesisto pour some petrol where ...

Page 12: ...our stroke the speed dropsand the vibrations decrease The steel ball then closesthe outlet the enginespeedincreases and the processis repeated Removalof speed governor Remove the screwfor the choke flap Pull out the flap approx 7 mm and pushout the choke shaft approx 5 mm Remove the speedgovernorwith a suitable screwdriver Carburetorcheck A Pumping section Clean the fuel screenand lineswith compre...

Page 13: ...hiss sound at a pressurebelow 0 10 MPa 1 kp cm2 In caseof leakage the valveshould be replaced 4 I The carburetor sparepart kit hasgot No 5015467 01 I Assembly A Pumping section Locate the fuel screencarefully in its seating see fig 4 5 Locate the pump diaphragm next to the carburetor housingand then add gasketand cover Tighten the screwsof the cover diagonally and evenly fi B Metering section Fit ...

Page 14: ...r Pushthe choke shaft into its position and fit the choke flap and its locking screw Adjustment ofcartwrettor A Basic setting Before adjustingthe carburetor proceedas follows Clean the air filter or if necessary replace it Check the spark plug and its electrodes Check that the fuel filter is not clogged Fig 4 15 Examine the fuel filter asfollows Loosenthe fuel hosefrom the carburetor and lay the c...

Page 15: ...ade asfollows 1 Screw in the L needleslowly and the speedwill increase Screw in the needlea little further and the speedwill slow down againasthe fuel supply becomestoo lean Notice the position of the needleat the highest speed 2 Open the L needleagainand notice the highest speedposition Note that the speedslowsdown at richer supply 3 Adjust the L needleto the highestspeedposi tion Then open it eq...

Page 16: ...5025036 01 that the high idle speedisapprox 10 500 r rein Should the high idle speedof the engine be below 10 000 r rein check the speed governorof the carburetor and replaceit if neces sary 4 6 For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 17: ...ted x x x chokerequired x x Leaning out x x x x x x No fuel supply x x x x Difficult adjustment x x x Too rich supply x x No idling speed x Extreme needle position x x x x High idle speed not reaching 10 500 r rein x x 4 7 For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

Page 18: ...lues seethe instruction supplied with the testing device 2 3 If no spark occurs try a new plug If still no spark check the connection between ignition cable and spark plug protector Disconnectthe short circuiting cable from the switch Check for a spark If a spark occurs the stop switch isfaulty and should be exchanged Remove the starter and air conductor Cablesthat are squeezedor otherwise damaged...

Page 19: ...t should be tightened by torque 40 43 Nm NOTE Before fitting a new flywheel remove every trace of rust preventive especially on the hub Fig 5 8 Pushthe bearingpins of the starter pawlsout of the flvwheel with a drift 3 mm Change starte pawlsand springs and pressback t e bear ing pinsfrom the fan side Use Loctite AA in the pin holesbefore putting the pins back Check that the pins reachthe bottom an...

Page 20: ...works properly and isfilled with oil the oil goesalternately through the suction channel A and the pressurechannel B 3 Lubricating system 0 D c Fig 6 3 For cleaning dismantle the pump as follows 1 Remove the adjustingscrew A fig 6 3 2 Knock the edgeof the pump housingagainsta piece of wood to make the pump piston B fig 6 3 and its bearingslide out of the casing Fig 6 4 3 Check the wear of the adju...

Page 21: ... pump isfitted into the crankcase 2 After fitting the pump into the crankcase check that the pump piston turns easily Manualoil pump Figure 6 8 showsthe oil passage from the oil tank through the manual oil pump to the guide bar A Oil passage from the oil tank into the pump B Oil passage from the oil pump to the guide bar Fig 6 8 Removalof pump piston Loosenthe pump piston with tool No 5025062 01 T...

Page 22: ...crankcasebehind the silencer Assembly Assembly of the valve housingand the pump piston is made in reverseorder to dismantling Note the following Trouble shooting guide Adjustingscrewin position II Adjustingscrewworn Dirt in the suctionhoseand oil filter Vacuum in the oil tank Pumppistonseized Suctionhosecrackedor leaking Oil channelof crankcase clogged l 4 u HH H x x Drivinggeardamaged Sealingring...

Page 23: ...n cooling fins damaged threads In case of severe damage change the cylinder Restore the thread with HeIi Coil inserts Seizure marks in the cylinder wall especially Polish the marks with a fine emery clotch to remove aluminium at exhaust port deposits If the marks are deep change cylinder and piston Surface of the cylinder wall worn esp at the top Replace cylinder and piston Seizure marks on the pi...

Page 24: ...t the piston on the connecting rod Usefitting drift No 5025069 01 to centre the piston against the needle bearingof the connecting rod Push the wristpin in and fit the circlips Turn them round with a pair of flat hosepliers to check that they run smoothly in the grooves Fig 7 6 Usethe piston ring compressorin mounting set No 5025070 01 and pushthe cylinder care fully down over the piston To avoid ...

Page 25: ... and tank unit Do not forget to disconnectthe oil hosesbetween crankcaseand oil tank Fig 8 4 Remove the sevenscrewsholding the crankcase halvestogether Do not forget the screw behind the plastic cover on the rear part of the crankcase Fig 8 2 Remove the six screws three on each side that connect the crankcaseto the tank unit Fig 8 5 Warm up the bearingseatscarefully with a gas burner to abt 130 C ...

Page 26: ... of the crankshaft Use fitting drift No 5025082 01 Fig 8 7 A defective crankshaft must be replaced Check the big end of the connecting rod Should there be seizure marks or discolored spotson the sides the crankshaft must be changed The connect ing rod should not show any radial play up and down Fig 8 9 Warm up the bearingseat in the magneto half of the crankcaseto abt 13 C Fit the crankshaft with ...

Page 27: ...etis not displaced Turn around the crankcasein the clamping device Check that the guide pinsenter correctly Crankcase Crankshaft Fig8 12 Pull the crankcasehalvestogether with fitting tool No 5025030 01 Tighten all screws beginning nearest the crank shaft see fig 8 4 Check the position of the gasketand cut off its edgeson the cylinder basesurface Fig 8 13 Check that the crankshaft rotates easily If...

Page 28: ...it first so that the fuel hosemay be pulled through the hole in the crankcase Fig 8 16 Adjust the front part of the tank unit and fit the vibration dampers Changing thevibration dampers Fig 8 15 Check the vibration dampersbefore reassembling the tank unit and the crankcase If they are limp or damagedthey should be changed Use U spannerNo 5025066 01 Make sure that the tool alsoturns the rear steel ...

Page 29: ...ord and fit it on the pulley Make surethat the stop cube fits properly in the recessin the pulley and that the screw in the cube hasits head facing the pulley the end of the screwpoints outwards Wind up the cord abt 3 turns on the pulley Note right direction and fit it in the starter housing Check that the springgripsthe pulley then fit the washerand the screw Make sure that the pulley can move fr...

Page 30: ...tools Changing theclutchspring The clutch springshould be changedif it hasbeen overheated blue coloured or broken it is easily changedwith pliers No 5025049 01 as shown in fig 10 3 Fig 10 1 Changing theneedlebearing Lift off the worm gear of the oil pump drive if necessaryand place the clutch drum with the chain drive upwards on a tube sleeve e g No 5025 030 04 ascloseto the bearingaspossible Fig ...

Page 31: ...et the washer behind the worm gear Checking wear Check the wear of the clutch centre and the clutch shoes There should be at least 1 mm material left on the friction surfaceof the shoes Lubrication Lubricate the worm gearof the oil pump drive with Molykote before fitting the clutch drum The needle bearing is to be lubricated with ball bearing grease Two pumps with the greasegun into the hole of th...

Page 32: ...hanged Fig 11 1 Pushthe brake band upwards e g by insertinga combination key between the brake band and the two rear supports in order to get at the adjusting nut seefig 11 1 Remove the adjusting nut retaining the pull rod and carefully releasethe brake mechanismwith the hand guard Remove the brake spring Fig 11 4 When replacing the hand guard first remove the nut then the pivot pin Fig 11 2 Check...

Page 33: ...leased but in the unbraked position the drum should be easily rotated Fine adjustment is made with the clutch cover fitted on the saw The gap between the catch and the head of the adjusting nut should be 7 mm when the brake is released Measurethe gapwith a calli per seefig 11 7 Note that in the unbraked position the brake band must not touch the clutch drum Adjustmentof the Swed O Matic Set the ad...

Page 34: ... It may be changedafter pushingout the roll pin with a drift 1 5 mm Reassemblyof the throttle safety catch and the throttle lever is made in reverseorder to dis mantling Check that the throttle leverworks properly both assafety catch and asstarting throttle ratchet 11 3 For Husqvarna Parts Call 606 678 9623 or 606 561 4983 www mymowerparts com ...

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Husqvarna 2100, Workshop Manual

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