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)

Classification table

Cylinder class Piston class

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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