Husqvarna 2100 Instruction manual
Workshop
manual
chain saw model
101 88 01-26
210 0
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com
Contents
TechnicalSpecification
ServiceData
SpecialTools
Fuelsystem,Carburet&or
Electricsystem
Lubricatingsystem,Oil pump
Crankcase,
Starter
Centrifugal
Crankshaft
Clutch
SafetyEquipment
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
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nloo TechnicalSpecificationn
Displacement
Bore
Stroke
Ignitionsystem
Ignitionadvance
Sparkplug
Electrodegap
Carburetor
Fueltankvolume
Oiltankvolume
Chainlubrication
Clutchdrum/sprocket
Weights
99 cm3 (6 cu in)
56.0 mm (2.20”)
40.0 mm (1.57”)
Electronic. Make SEM type GA 1.
24° before t.d.c. at 133 r/s (8,000 r/rein)
BoschWSR 8F
0.5 mm (0.020”)
Diaphragmcarburetor. Make Tillotson type HS
136C with speedgovernor0.070”.
Basicsetting:
H=1.0
L=1.2
1.0 Iitre (0.26 US 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:
7teeth, 0.404” Pitch.
Optional:
8teeth, 3/8” Pitch.
1. Weight sawbody (empty) 8.0 kg (17.6 lb)
2. Weight sawbody (empty) incl. 24”
bar and chain (Oregon 52L -76E 0.404 ’’).10.2 kg (22.5 lb)
3. Sameas2 howeverwith full tanks._ 11.4 kg (25.1 lb)
1:1
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2100
Classificationtable
Cylinder class Pistonclass
AA
::
PLEASE NOTE!
As “A” denotes smallest cylinder diameter and “C”
the largest, piston grades should be matched or
one grade smaller. Egit is not permissible to use
agrade Bpiston in agrade Acylinder.
TechnicalSpecificationEl
Fig 1:1
1:2
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ServiceData !2
CrankcaseAssy
Vacuum: 0.04 MPa (0.4 kp/cm2, 5.7 psi)
Max. leakage:0.01 MPa/1 min (0.1 kp/cm2,
1.4 psi, per rein)
TooIs: 5025037-01 Vacuum gauge
5025081-01 Cover plate, exhaust port
5025047-01 Cover plate, inlet port
Fig 2:1
Pressure:0.08 MPa (0.8 kp/cm2, 11.4 psi)
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, exhaustport
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
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www.mymowerparts.com
Oilpump
Pressure:0.3 MPa (3 kp/cm2, 42.7 psi)
Pump capacity at 6,000 r/rein:
Pos1: approx 16-18 ml/min (0.98-1 .10 cu in/rein)
Pos2: approx 22-24 ml/min (’
Tools: 5025085-01 Oil pump
Grad. measuringglass.
.34-1.46 cu in;min)
ester
ServiceData a
Fig 2:5
Starter
Make surethat it ispossibleto turn the pulley at
least1/2 turn further when the cord ispulled
out completely.
Fig 2:6
Fuelandoil
The twostroke engineislubricated by oil mixed
with petrol in variousproportions dependingon
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 Petrolin Petrol in
of petrol Imp gallon USgallon
10 2.2 2.6
20 4.4 5.2
50 11.0 13.2
4% I5% I
Litres Petrolin Petrolin Litres Petrolin Petrol in
of petrol Imp gallon USgallon of petrol Imp gallon USgallon
51.1 1.3 40.8 1.0
10 2.2 2.6 I81.7 2.1
25 5.5 6.6 I20 4.4 5.2
2:2
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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
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SpecialTools El
5025006-01
Assemblingpliers
(spark plug protector)
5025007-01
Assemblingpliers
(cable grommet)
T
I@ 5025018-01 NV 4mm
5025019-01 NV 3mm
5025057-01 NV 3/16”
Allen key
NV
P
-..~”-
2062372-11
d
TV
5027002-01 B’ 2024294-45
-. 2024332-55
282 0008-~1 -. ‘2024297-55
2024333-55
5025025.01 (compl.)
5025020-01 (M5)
Stud fitting tool
5025022-01 NV 8mm
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
Pistonstop
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)
5025047-01
Cover plate, inlet port
3:1
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com
SpecialTools B
45025049-01
1!s Assemblingpliers
(centrifugal clutch)
-01
for elec-
5025051-01
/
Cableclip pliers
@
5025052-01
Fitting sleevefor
sealingring
5025062-01
Fitting tool (manual
pump)
5025066-01 NV 22 mm
U-spannerfor vibration
damper
/
5025069-01
Fitting drift
(piston pin)
5025070-01
Q
o
\6
\/
5025070-01
Pistonmounting set,
compl.
5025081-01
Coverplate, exhaustport
5025082-01
Fitting drift (sealingring)
5025083-01
Hook for oil filter
5025084-01
Electrotester
5025085-01
Oil pump tester,
compl.
5025086-01 NV 3mm
5025087-01 NV 4mm
Allen screwdriverwith
ball
3:2
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com
SpecialTools El
502
5025090-01
Jet-Pacsprayguncompl.
incl. retouch paint
5025091-01
Retouch paint, orange,
1/8 I
5025092-01
Pressurepack 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 (stronglocking power)
5025124-01
SEM electric systemtester
3:3
For Husqvarna Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com
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