PB-2100,PB-2155,PB-2200SI21-21H-00
INDEX
1
2
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
PB-2100
PB-2155
2
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 oil ISO-L-EGD (ISO/CD13738), JASO FC
Tank capacity L (U.S.fl.oz.) 0.5 (16.9)
Handle Type Rear Grip
Blower Fan type
Max. air volume (with pipes)
Max. air velocity (with pipes)
Blower pipe length mm (in) Straight 425 (16.73)
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) - - -
Dust bag capacity liter(ft3) - - - 60 (2.1) - - * Without blower pipes
** With fan head nozzle
SERVICE INFORMATION
Sirocco, single stage
m3/min (ft3/min) 8.7 (264.9)**
m/s (mph) 61 (136)**
mm (in) Fan head nozzle 420 (16.54)
110 x 880 (4.33 x 34.65)
Centrifugal, single stage
PB-2200SI
- - -
PB-2100
PB-2155
PB-2200SI
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 kΩ 1.2 - 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
SERVICE INFORMATION
3
BTDC: Before top dead centre.
* With all blower pipes.
** Set idle speed screw to contact throttle plate before initial setting.
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