Echo HCR-1510 Istruzioni per il montaggio

HCR-151012-21L-011

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 and directions in this SERVICE

DATA are based on the latest products

information available at the time of

publication.

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......................... 5

1-5 Service limits .............................................. 6

1-6 Spacial tool ................................................. 7

2 EMISSION ADJUSTMENT GUIDE...............8

2-1General adjusting rules.............................. 8

2-2Presetting idle adjust screw, L mixture needle

and H mixture needle........................................ 8

2-3Adjusting carburettor.................................. 9

Reference No.12-21L-01

INDEX

REVISED:201001

ISSUED: 200512

HCR-1510

2SERVICE INFORMATION

1 SERVICE INFORMATION

1-1 Specifications

Model HCR-1510

Dimensions Length mm(in) 990 (39.0)

Width mm(in) 250 (9.8)

Height mm(in) 195 (7.7)

Dry weight kg(lb) 5.2 (11.5)

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

Rotation Anticlockwise as viewed from the output end

Displacement cm3(in3) 21.2 (1.29)

Bore mm(in) 32.2 (1.27)

Stroke mm(in) 26.0 (1.02)

Compression ratio 6.1

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

Model ZAMA C1U-K54A

Ignition Type CDI (Capacitor discharge ignition) system

Variable Slope Timing (VST) : Slope advance ignition

system combined with electronic speed governor

Spark plug BPMR-7A

Starter Type Automatic rewind

Rope diameter x length mm(in) 3.0 x 890 (0.12 x 35.0)

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.) 0.3 (10.1)

Clutch Type Centrifugal, 2-shoe slide

Handle Type Front Plastic grip with hand guard

Rear Integrated control plastic grip

Gear case Reduction ratio 4.5

Gear tooth Spur gear

Lubrication Lithium based grease

(Grease up every 15-20 hours of operating)

Cutter Type Double reciprocating double edge blade

Called length mm(in) 580 (23)

Pitch mm(in) 35 (1.38)

Height mm(in) 21 (0.83)

Thickness mm(in) 2.5 (0.098)

Lubrication Drop a few oil every 4 hours of operation to 4 bolt slots

SERVICE INFORMATION

HCR-1510

1-2 Technical data

Engine

Idling speed r/min 2400 - 3200

Wide open throttle speed r/min 7900 - 8500

Clutch engagement speed r/min 3500 - 4100

Compression pressure MPa (kgf/cm2) (psi) 0.69 (7.0) (100)

Ignition system

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

Minimum secondary voltage at 1500 r/ min kV 15

Primary coil resistance Ω250 - 400

Secondary coil resistance kΩ2.4 - 3.2

Pole shoe air gaps mm(in) 0.30 - 0.35 (0.012 - 0.014)

Ignition timing at 3000 r/min °BTDC 20.0

at 7000 r/min °BTDC 42.0

at 8000 r/min °BTDC 19.0

at 8500 r/min °BTDC 15.0

Carburettor

Venturi size mm(in) 8.5 (0.34)

Throttle bore mm(in) 12.7 (0.5)

Idle adjust screw initial setting turn in* 2 3/4

H mixture needle initial setting turn back 1 1/2

L mixture needle initial setting turn back 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.

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

HCR-1510

4SERVICE INFORMATION

1-3 Torque limits

Descriptions Size kgf•cm N•M in•lbf

Starter Pawl assembly M 8 160 - 200 16 - 20 140 - 175

system Starter case M 4* 14 - 28 1.4 - 2.8 12 - 24

Ignition Ignition coil M 4 35 - 50 3.5 - 5.0 30 - 45

system Spark plug M 14 150 - 170 15 - 17 130 - 150

Fuel Carburettor M 5 25 - 40 2.5 - 4.0 22 - 35

system Intake insulator M 5* 25 - 40 2.5 - 4.0 22 - 35

Fuel tank M 5* 30 - 45 3.0 - 4.5 26 - 40

Clutch Clutch hub M 8 160 - 200 16 - 20 140 - 175

Clutch case M 4* 30 - 50 3 - 5 26 - 45

Engine Crankcase M 5** 70 - 110 7 - 11 60 - 95

Cylinder M 5** 70 - 110 7 - 11 60 - 95

Muffler M 5 60 - 100 6 - 10 50 - 90

Cylinder cover M 4* 14 - 28 1.4 - 2.8 12 - 24

Gear Gear case M 5 50 - 70 5 - 7 45 - 60

case Bottom cover M 4 30 - 50 3 - 5 26 - 45

Cutter Cutter bolts (See NOTE below) M 6 10 - 15 1.0 - 1.5 9 - 13

Cutter support M 6* 45 - 75 4.5 - 7.5 40 - 65

Handle Rear handle set to M 5* 25 - 40 2.5 - 4.0 22 - 35

handle fixture

Front handle M 5 30 - 45 3.0 - 4.5 26 - 40

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

M4 15 -25 1.5 - 2.5 13 - 22

M 5 25 -45 2.5 - 4.5 22 - 40

M 6 45 -75 4.5 - 7.5 40 - 65

M 8 110 -150 11 - 15 95 - 130

* Apply thread locking sealant (See next page).

** The torque differences among 2 bolts should not exceed 20 kgf•cm (2Nm, 17in•lbf) on one cylinder or

crankcase.

NOTE : To adjust cutter clearance, fasten all cutter bolts to this torque, then back 1/2 turns (180°)Anticlockwise.

SERVICE INFORMATION

HCR-1510

1-4 Special repairing materials

Material Location Remarks

Grease Gear case

Rewind spring Lithium based grease

Starter center post

Oil seal inner lips

Thread locking Intake insulator

sealant Clutch case

Cylinder cover

Fuel tank Loctite #222, ThreeBond 1342 or equivalent

Cutter support

Starter case

Rear handle set to handle fixture

HCR-1510

6SERVICE INFORMATION

1-5 Service limits

Description mm (in)

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

B Piston outer diameter Min. 32.10 (1.264)

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)

L Clutch drum bore Max. 51.5 (2.03)

5K016 5K042

5K202

123

45678910 11

Servicelimits_HCR_1510

5K171

ABCD

EFGH

SERVICE INFORMATION

HCR-1510

120

140

160

180

100

Key Part Number Description Used for:

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

2 91007 Compression gauge Measuring cylinder compression

3 895610-79920 L-hex wrench (4 mm) Removing and installing hex. socket bolts (M5)

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

5 897701-06030 Bearing wedge Removing ball bearings on crankshaft

6 897701-14732 Bearing tool Removing and installing crankcase bearings

7 897702-30131 Piston pin tool Removing and installing piston pin (Use 8 mm dia. adapter)

8 897712-07930 2-pin wrench Removing and installing pawl carrier

9 897714-24330 Oil seal tool Installing crankcase oil seals

10 897718-02830 Bearing tool Installing clutch drum ball bearing in gear case

11 897731-04920 Clutch tool Removing and installing clutch assembly

12 897800-79931 Spark tester Checking ignition system

13 897803-30131 Pressure tester Checking carburettor and crankcase leakages

14 897835-16131 Pressure connector Checking crankcase and cylinder leakages

15 900100-08008 Bolt Removing magneto rotor (flywheel)

16 433019-12330 Flange nut Removing magneto rotor (flywheel)

1-6 Special tools

13: a=4mm

4 : a=3mm

789

10 11 12 13

14 15 16

HCR-1510

8SERVICE INFORMATION

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.

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

1. Turn L mixture needle (A) clockwise until lean

stop to cut and remove easily.

2. Using a sharp knife, give triangle cut between

the stopper wings. Also cut the H limiter cap (B).

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 1/2 turns.

Turn H mixture needle anticlockwise 1 1/2 turns.

6. Turn idle adjust screw (C) anticlockwise and set

the screw until the tip to just contact throttle plate.

Then turn it clockwise 2 3/4 turns.

SERVICE INFORMATION

HCR-1510

2-3 Adjusting carburettor

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

minutes with cycle of 5 seconds at WOT (Wide Open

Throttle) and 10 seconds at idling.

2.Adjust L mixture needle and obtain maximum idle

speed with 2.5 mm wide blade head screw driver

(D).

3. Set idle speed to 3,800 r/min by turning idle adjust

screw.

4. Turn L mixture needle anticlockwise to reduce

idle speed 1,000 r/min to set idle speed in the range

of 2,600 to 3,000 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.

5. Turn H mixture needle clockwise to maximum

WOT engine speed then turn the H mixture needle

clockwise further until engine speed drops 100 to

200 r/min.

6. Immediately return the H mixture needle

anticlockwise to obtain maximum WOT engine

speed with smooth and clear engine sound. Then

turn the H mixture needle anticlockwise 1/8-1/4 turn

further.

7.After adjusting carburettor, install Red limiter cap

on H mixture needle and White limiter cap on L

mixture needle to the rich side stop 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.

(Continued)

HCR-1510

10 SERVICE INFORMATION

2-3 Adjusting carburettor (Continued)

8. Press respective limiter caps to the bottoms using

bar tool like T hex. wrench (E).

IMPORTANT : The limiter caps must be installed

on L and H mixture needles to comply with Emission

Directive.

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 7,900 to 8,500 r/min at WOT. Also make it

sure cutting device would not turn at engine idle

speed and suitable acceleration.

NOTE : Initial carburettor setting (Idle adjust screw,

L and H mixture needles) shown here is to start the

engine after restoration or carburettor change. Idle

adjust screw, L and H mixture needles turn for

designated engine revolution through procedures

indicated here may vary. As long as idle and WOT

engine speed is set in given range, the variance

would be ignorable.

Indice

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