Husqvarna 2100 Instruction manual
Technical Specification
Service Data
Special Tools
Fuel system, Carburettor
Electric system
Lubricating system, Oil pump
Cylinder, Piston
Crankcase, Crankshaft
Starter
Centrifugal Clutch
Safety Equipment
Displacement
Bore
Stroke
Ignition system
Ignition advance
Spark plug
Electrode gap
Carburettor
Fuel tank volume
Oil tank volume
Chain lubrication
Clutch drum/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/mm)
Bosch WSR OF
0.5 mm (0.020")
Diaphragm carburettor. Make Tillotson type HS
136C with speed governor 0.070".
Basic setting:
H= 1.0
L= 1.2
1.0 litre (0.26US gallon, 0.22 imp gallon)
Fuel mixture 4%(1:25)
With Husqvarna Twostroke Oil 2% (1:50).
0.65 litres (0.17 US gallon, 0.14 Imp gallon).
Two separate lubrication 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 side of the rear
handle.
Standard
7 teeth, 0.404" Pitch
Optional .
8 teeth, 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"L10 2 kg (22.5 lb)
3. Same as 2 however with full tanks. 11.4 kg (25.1 lb)
1
:
1
Classification table
Cylinder class Piston class
AA
BB
CC
PLEASE NOTE!
As ''A " denotes smallest cylinder diameter and ''C"
the largest, piston grades should be matched or
one grade smaller E g / t is no t permissable to use
a grade B piston m a grade A cylinder.
1:2
Crankcase Assy
Vacuum: 0.04 MPa (0.4 kp/cm2, 5.7 psi)
Max. leakage: 0.01 MPa/1 mm (0.1 kp/cm2,
1.4 psi, per min)
Tools: 502 50 37-01 Vacum gauge
502 50 81-01 Cover plate, exhaust port
502 50 47-01 Cover plate, inlet port
Pressure: 0.08 MPa (0.8 kp/cm2, 11.4 psi)
Max. leakage: 0.02 MPa/30 see (0.2 kp/c2,
2.8 phi, per 30 sec)
Tools: 502 50 38-01ressure gauge
502 50 81-01 Cover plate, exhaust port
502 50 47-01 Cover plate, inlet port
Fuel tank
Pressure: 0.05 MPa (0.5 kp/em2, 7.1 psi)
Leakage: No leakage permitted.
Tool: 502 50 38-01 Pressure gauge
Carburettor
Pressure: 0.03 MPa (0.3 kp/em2, 4.3 psi)
Leakage: No leakage permitted
Tool: 502 50 38-01 Pressure gauge
2:1
Oil pump
Pressure: 0.3 MPa (3 kp/cm2,42.7 psi)
Pump capacity at 6,000 r/min:
Pos 1: approx 16-18 ml/min (0 98-1.10 cu in/min)
Pos 2: approx 22-24 ml/min (1.34-1.46 cu 1n/min)
Tools: 502 50 85-01il pump tester
Grad measuring glass.
Starter
Make sure that it IS possible to turn the pulley at
least 1/2 turn further when the cord is pulled
out completely.
Fuel and oil
The twostroke engine 1S lubricated by oil mixed
with petrol m various proportions depending on
the type of oil used.
"Pre-mixed" oil 1 :20 (5% oil)
Ordinary twostroke oil 1 :25 (4% oil)
Husqvarna Twostroke Oil 1:50 (2% oil)
See also the mixing table below:
502 50 06-01
Assembling pilers
(spark plug protector)
502 50 07-01
Assembling pliers
(cable grommet)
502 50 18-014 NV 4 mm
502 50 19-01V3 NV 3 mm
502 50 57-01 NV 3/16’’
Allen key
502 50 20-01 (M5)
Stud fitting tool
502 50 22-01 NV 8 mm
502 50 23 01 NV 10 mm
Socket spanner
502 50 24-01
Spanner,clutch centre
502 50 25-01
Holding bar compl.
502 50 26-01
Puller compl. with screw
502 50 30-01
Fitting tool compl for
crankshaft
502 50 33-01
Piston stop
502 50 36-01
Revolution counter
50 25 037-01 Vacuum
gauge, compl.
502 50 38-01Pressure
gauge, compl.
502 50 42-01
Lithium grease 250 9
(0.55 lb)
502 50 45-01
Distance sleeve (35 mm)
502 50 47-01
Cover plate, inlet port
206 23 72-11
5027002-01
2820008-01
6027009-01
3:1
202 42 94-45
202 43 32-55
202 42 97-55
202 43 33-55
502 50 25-01 (compl.)
502 50 70-01
Piston mounting set,
compl,
502 50 81-01
Cover plate, exhaust port
502 50 82-01
Fitting drift (sealing ring)
502 50 83-01
Hook for oil filter
502 50 84-01
Electrotester
502 50 85-01Oil
pump tester,
compl.
502 50 86-01 NV 3 mm
502 50 87-01 NV 4 mm
Allen screwdriver with ball
3:2
502 50 49-01
Assembling pliers
(centrifugal clutch)
502 50 50-01
Repair kit for elec-
tric cables
502 50 51-01
Cable clip pliers
502 50 52-01
Fitting sleeve for
sealing ring
502 50 62-01
Fitting tool (manual
pump)
502 50 66-01
U-spanner for vibration
damper
502 50 69-01
Fitting drift
(piston pin)
502 50 70-01
502 50 90-01
Jet-Pac spray gun compl.
incl.. retouch paint
502 50 91-01
Retouch paint, orange,
1/8 l
502 50 92-01
502 51 01-01
Extractor (sealing ring)
502 51 02-01
Clamping device
502 5106-01
Glue, adhesive
502 51 07-01
Glue, epoxy
502 51 24-01
SEM electric system tester
3:3
502 51 08-01
Loctite AA (normal locking power)
502 51 09-01
Loctite AAV (strong locking power)
502 50 92-01
502 50 91-01
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