Echo PB-2100 Istruzioni per il montaggio

PB-2100,PB-2155,PB-2200SI21-21H-00 1

INTRODUCTION

We are constantly working on technical

improvement of our products. For this reason,

technical data, equipment and design are

subject to change without notice. All

specifications, illustrations and directions in

this SERVICE DATA are based on the latest

products information available at the time of

publication.

ECHO SERVICE MANUAL Ord. 403-11

(Model : PB-2100, PB-2110, ES-2100, ES-

2400) contains lots of information for servicing

this model.

CONTENTS page

1 SERVICE INFORMATION ............................. 2

1-1 Specification...............................................2

1-2 Technical data ............................................3

1-3 Torque limits ...............................................4

1-4 Special repairing materials.........................4

1-5 Service limits ..............................................5

1-6 Special tools...............................................6

2 EMISSION ADJUSTMENT GUIDE ...............7

2-1 General adjusting rules ..............................7

2-2 Presetting idle adjust screw, L mixture needle

and H mixture needle....................................... 7

2-3 Adjusting carburettor.................................. 8

Reference No. 21-21H-00

ISSUED: 200411

INDEX

SERVICE INFORMATION

PB-2100

PB-2155

PB-2200SI

1 SERVICE INFORMATION

1-1 Specifications

Model PB-2100 PB-2155 PB-2200SI

Dimensions Length* mm(in) 220 (8.7) 250 (9.8)

Width mm(in) 330 (13.0)

Height mm(in) 340 (13.4)

Dry weight** kg(lb) 4.0 (8.8) 4.1 (9.0) 4.3 (9.5)

Engine Type KIORITZ, air-cooled, two-stroke, single cylinder

Rotation Anticlockwise as viewed from the output end

Displacement cm3(in3) 21.2 (1.294)

Bore mm(in) 32.2 (1.268)

Stroke mm(in) 26.0 (1.024)

Compression ratio 7.0

Carburettor Type Diaphragm horizontal-draught with primer (purge bulb)

Model ZAMA C1U-K42B ZAMA C1U-K43B

Venturi size-Throttle bore mm(in) 8 - 14 (0.315 - 0.551) 7 - 14 (0.276 - 0.551)

Ignition Type CDI (Capacitor discharge ignition) system

Spark plug RCJ-7Y

Starter Type Automatic rewind - start

Rope diameter x length mm(in) 3.0 x 1000 (0.12 x 39.4) 3.0 x 920 (0.12 x 36.2)

Fuel Type Premixed two-stroke fuel

Mixture ratio 50 : 1 (2 %)

Petrol Minimum 89 octane petrol (RON)

Two-stroke air cooled engine oilISO-L-EGD (ISO/CD13738), JASO FC

Tank capacity L (U.S.fl.oz.) 0.5 (16.9)

Handle Type Rear Grip

Blower Fan type

Sirocco, single stage

Centrifugal, single stage

Max. air volume (with pipes)

m3/min (ft3/min) 8.7 (264.9)**

Max. air velocity (with pipes)

m/s (mph) 61 (136)**

Blower pipe length mm (in) Straight 425 (16.73)

mm (in) Fan head nozzle 420 (16.54)

Blower nozzle size, (inner) mm (in) 117 x 26 (4.6 x 1.02) oval shape

Fan head nozzle Standard

Vacuum Shredding knife - - - without - - -

Vacuum pipe ID x L mm(in) - - -

110 x 880 (4.33 x 34.65)

- - -

Dust bag capacity liter(ft3) - - - 60 (2.1) - - -

* Without blower pipes

** With fan head nozzle

SERVICE INFORMATION

PB-2100

PB-2155

PB-2200SI 3

1-2 Technical data

Model PB-2100 PB-2155 PB-2200SI

Engines

Idling speed r/min 2400 - 3200

Wide open throttle speed* r/min 6800 - 7700

Compression pressure MPa (kgf/cm2) (psi) 0.83(8.4)120

Ignition system

Spark plug gap mm(in) 0.6 - 0.7 (0.024 - 0.028)

Minimum secondary voltage at 1500 r/min kV 16

Secondary coil resistance kΩ1.2 - 1.8

Pole shoe air gaps mm(in) 0.3 - 0.4 (0.012 - 0.016)

Ignition timing °BTDC 28

Carburettor

Idle adjust screw initial setting turn in** 1 1/2

L mixture needle initial setting turn back 1 3/4 1 1/2

H mixture needle initial setting turn back 1 1/2 1 1/2

Test Pressure, minimum MPa (kgf/cm2) (psi) 0.05 (0.5) (7.0)

Metering lever height mm(in) 0.1 - 0.25 (0.004-0.010) lower than diaphragm seat

BTDC: Before top dead centre.

* With all blower pipes.

** Set idle speed screw to contact throttle plate before initial setting.

SERVICE INFORMATION

PB-2100

PB-2155

PB-2200SI

1-3 Torque limits

Descriptions Size kgf•cm N•m in•lbf

Starter Pawl carrier M8 80 - 100 8 - 10 70 - 85

system Starter case M4* 25 - 35 2.5 - 3.5 22 - 30

Ignition CDI module (Ignition coil) M4 35 - 50 3.5 - 5.0 30 - 45

system Spark plug M14 150 - 170 15 - 17 130 - 150

Fuel Carburettor insulator M5* 25 - 40 2.5 - 4.0 22 - 35

system Carburettor M5 35 - 45 3.5 - 4.5 30 - 40

Engine Crankcase M5 70 - 110 7 - 11 60 - 95

Cylinder M5 70 - 110 7 - 11 60 - 95

Engine mount M4* 35 - 50 3.5 - 5.0 30 - 45

Muffler M5 60 - 100 6 - 10 50 - 85

Others Fan case M5†30 - 45 3.0 - 4.5 26 - 40

Fan hub M8* 160 - 200 16 - 20 140 - 175

Fan M8* 160 - 200 16 - 20 140 - 175

Regular bolt, nut, M3 6 - 10 0.6 - 1.0 5 - 9

and screw M4 15 - 25 1.5 - 2.5 13 - 22

M5 25 - 45 2.5 - 4.5 22 - 40

M6 45 - 75 4.5 - 7.5 40 - 65

M8 110 - 150 11 - 15 95 - 130

1-4 Special repairing materials

Material Location Remarks

Thread locking sealant Starter case bolts

CDI module (Ignition coil)

Carburettor insulator screws Loctite #222, ThreeBond 1342 or equivalent

Engine mount

Fan hub

Fan

Grease Rewind spring Lithium based grease

Starter center post

*Apply thread locking sealant (See below)

†Tapping screw

SERVICE INFORMATION

PB-2100

PB-2155

PB-2200SI 5

5K193 5K228 5K229 5K230

5K231 5K016

5K171

5K042 5K194

1-5 Service Limits

Description

A Cylinder bore When plating is worn and aluminium can be seen

B Piston outer diameter Min. 32.13 (1.265)

C Piston pin bore Max. 8.030 (0.3161)

D Piston ring groove Max. 1.6 (0.063)

E Piston ring side clearance Max. 0.1 (0.004)

F Piston pin outer diameter Min. 7.970 (0.3138)

G Piston ring width Min. 1.45 (0.057)

H Piston ring end gap Max. 0.5 (0.02)

K Crankshaft runout Max. 0.05 (0.002)

ABCD

FGH

SERVICE INFORMATION

PB-2100

PB-2155

PB-2200SI

120

140

160

180

100

1-6 Special tools

10 11 1312

14 15

Key Part Number Description Used for:

1 897801-33330 Tachometer PET-1000 Measuring engine speed to adjust carburettor

2 363018-00310 Washer Installing crankcase oil seal of starter side

3 433019-12330 Flange nut Removing magneto rotor (flywheel)

4 895612-79920 L-hex wrench (3 mm) Removing and installing hex. socket bolt (M4)

5 895610-79920 L-hex wrench (4 mm) Removing and installing hex. socket bolt (M5)

6 897701-06030 Bearing wedge Removing and crankshaft ball bearings

7 897701-14732 Bearing tool Removing and installing crankcase ball bearings

8 897702-30131 Piston pin tool Removing and installing piston pin

9 897705-11520 Bearing tool Removing and installing con-rod small end needle bearing

10 897714-24330 Oil seal tool Installing oil seals

11 897800-79931 Spark tester Checking ignition system

12 897803-30132 Pressure tester Testing carburettor and crankcase leakage

13 897835-16131 Pressure connector Checking crankcase and cylinder leakages

14 900100-08008 Bolt Removing magneto rotor (flywheel)

15 91007 Compression gauge Measuring cylinder compression

a = 3 mm

a = 4 mm

SERVICE INFORMATION

PB-2100

PB-2155

PB-2200SI 7

2 EMISSION ADJUSTMENT GUIDE

2-1 General adjusting rules

Before starting the unit for adjustment, check the following items.

1. The correct spark plug must be clean and properly gapped.

2. The air filter element must be clean and properly installed.

3. The muffler exhaust port must be clear of carbon.

4. The fuel lines, tank vent and fuel filter are in good condition and clear of debris.

5. The fuel is fresh ( > 89 octane : RON) and properly mixed at 50 : 1 with “ISO L-EGD” 2 stroke oil.

6. All blower pipes are installed for proper engine loading.

2-2 Presetting idle adjust screw, L mixture needle and H mixture needle

1. Turn L mixture needle clockwise until lean stop

to cut easily.

2. Using a sharp knife, give triangle cut between

the stopper wings. Also cut the H limiter cap.

NOTE : Be careful when cutting caps, otherwise

injury may result.

3. Pull the caps off with pliers.

NOTE : Do not rock back and forth when removing,

otherwise the needle may be damaged.

4. Turn H and L mixture needles clockwise until

lightly seated.

NOTE : Do not over tighten needles, otherwise

needles tip and seat damage may occur.

5. Turn L mixture needle anticlockwise 1 3/4 turns

(PB-2100), 1 1/2turns (PB-2155, PB-2200SI). Turn

H mixture needle anticlockwise 1 1/2 turns.

6. Turn idle adjust screw anticlockwise and set the

screw until the tip to just contact throttle plate. Then

turn it clockwise 1 1/2 turns.

SERVICE INFORMATION

PB-2100

PB-2155

PB-2200SI

2-3 Adjusting carburettor

1. Start engine and warm it up well for about 3 - 5

minutes with cycle of 50 seconds at WOT (Wide

Open Throttle) and 10 seconds at idling.

2. Adjust H mixture needle to obtain maximum

engine speed at WOT. And then turn H mixture

needle clockwise until the engine speed starts to

drop.

3. When the engine speed starts to drop, turn H

mixture needle anticlockwise to obtain maximum

engine speed again.And then turn H mixture needle

anticlockwise further to reduce engine speed 20 to

30 r/min (PB-2100), 10 to 20 r/min (PB-2155,

PB-2200SI) from maximum engine speed.

4. Adjust the L mixture needle to obtain maximum

idle speed.

5. Set idle speed in the range of 2,950 to 3,050 r/min

by turning idle adjust screw.

6. Turn L mixture needle anticlockwise to reduce

engine idle speed 200 to 300 r/min and set engine

idle speed in the rage of 2,650 to 2,850 r/min.

NOTE : Engine speed must be allowed to stabilize

a minimum of 20 seconds after each adjustment of

L mixture needle to assure accurate tachometer

readings.

7.After adjusting carburettor, install White limiter cap

on L mixture needle and Red limiter cap on H mixture

needle as shown.

NOTE : Before installing limiter caps, warm caps

in 90 °C hot water for smooth installation. Make it

sure to use pliers or appropriate instrument to take

warmed up cap out from the water.

8. Tap respective limiter caps to the bottoms as

shown.

9. Start engine again and make it sure engine runs

in the range of 2,400 to 3,200 r/min at idling and the

range of 6,800 to 7,700 r/min at WOT. Also make it

sure suitable acceleration.

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