Subaru EH09-2D Manuale utente

2121

2005.06

CONTENTS

Section Title Page

1. SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

2. DISASSEMBLY AND REASSEMBLY

2-1 DISASSEMBLY PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2-2 TIGHTENING TORQUE CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

2-3 REASSEMBLY PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

2-4 BREAK-IN OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

2-5 ENGINE SPEED ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

3. TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

4. SERVICE DATA

4-1 CLEARANCE DATA AND LIMITS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

4-2 TORQUE SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

4-3 OIL GRADE CHART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

The specifications and information included in this manual were in effect at the time of printing.

FUJI HEAVY INDUSTRIES LTD. reserve the right to change the specifications and to make modifications in the

course of technical progress, at anytime without notice.

No parts of this manual may be reproduced without written permission.

– 1 –

1. SPECIFICATIONS

EH09-2D

Air-Cooled, 4-Cycle, Single-Cylinder,

Horizontal P.T.O. Shaft, OHV, gasoline engine

51 x 42 (2.01 x 1.65)

86 (5.25)

8.7

1.5 (2.1) / 3600

2.1 (2.9) / 4200

4.9 (0.5) / 3600

Counter clockwise as viewed from P.T.O. shaft side

4-stroke automotive detergent oil - SAE ; #20, #30 or 10W-30

API service class ; SE or higher (SG, SH or SJ is recommended)

Splashing type

Over Head Valve type

Forced air cooling

0.3 (0.079)

Automotive unleaded gasoline

Horizontal draft, float type

Gravity type

Flywheel magneto (solid state)

NGK : BMR4A (CHAMPION : RCJ14)

Recoil starter

Centrifugal flyweight type

Semi wet type

9.9 (21.8)

249 x 299 x 380 (9.8 x 11.8 x 15.0)

MODEL

Type

Continuous Output

Maximum Output

Direction of Rotation

Lubricant

Oil Capacity

Fuel

Spark Plug

Starting System

Dry Weight

＊Specifications are subject to change without notice

Dimensions (L x W x H)

Bore x Stroke

Piston Displacement

Compression Ratio

Maximum torque

Lubrication

Valve arrangement

Cooling system

Carburetor

Fuel feed

Method of ignition

Governor

Air Cleaner system

mm (in.)

ml (cu.in.)

kW (HP) / r.p.m.

N•m (kgf•m) / r.p.m.

kg (lb.)

mm (in.)

1.5 (0.4)Fuel Tank Capacity liter (U.S. gal)

liter (U.S. gal)

– 2 –

2. DISASSEMBLY AND REASSEMBLY

2-1 DISASSEMBLY PROCEDURES

Step Parts to remove Remarks and procedures Fasteners

1Engine oil drain (1) Remove oil drain plug and drain oil.

(2) To discharge oil quickly, remove oil gauge.

14 mm spanner

2Recoil starter Remove recoil starter from blower housing.

Be careful of pulling direction of starter rope.

M6 x 8 : 3 pcs.

10 mm box spanner

Blower housing Disconnect wire of stop switch first, then

remove blower housing from crankcase.

M8 x 16 : 3 pcs.

M8 x 50 : 1 pc.

12 mm box spanner

P.T.O. shaft side

OIL GAUGE

GASKET

OIL DRAIN

PLUG

STEP 1

M4 TAPPING SCREW : 2 pcs.

CLAMP

M8 x 50 FLANGE BOLT : 1 pc.

BLOWER HOUSING

STOP SWITCH

STEP 2

STEP 3

RECOIL STARTER

M8 x 16 FLANGE BOLT : 3 pcs.

M6 x 8 FLANGE BOLT : 3 pcs.

P.T.O. shaft side

– 3 –

Step Parts to remove Remarks and procedures Fasteners

Fuel tank (1) Close the fuel cock.

(2)

Disconnect fuel pipe between carburetor

and fuel cock from carburetor.

(3) Remove the fuel tank from the fuel tank

bracket.

M6 x 12 : 4 pcs.

10 mm box spanner

Fuel tank bracket

Fuel tank bracket 2

(1) Remove the fuel tank bracket from the

cylinder head and fuel tank bracket 2.

(2) Remove the fuel tank bracket 2.

M6 flange nut : 4 pcs.

M6 x 12 : 2 pcs.

M8 flange nut : 1 pc.

M8 washer : 1 pc.

10·12 mm spanner·box wrench

WASHER : 1 pc.

FUEL PIPE : 1 pc.

CLAMP : 2 pcs.

P.T.O. shaft side

M6 x 12 FLANGE BOLT : 4 pcs.

M6 x 12

FLANGE BOLT : 2 pcs.

M8 FLANGE NUT : 1 pc.

M6 FLANGE NUT : 4 pcs.

FUEL TANK

FUEL TANK BRACKET 2

FUEL TANK BRACKET

STEP 5

STEP 4

– 4 –

MUFFLER

M6 x 16 BOLT AND WASHER AY : 2 pcs.

M8 x 16 BOLT AND WASHER AY : 2 pcs.

Do not touch

the flange bolts.

M8 FLANGE NUT : 1 pc.

CYLINDER BAFFLE

STEP 7

GASKET

(MUFFLER)

P.T.O. shaft side

M6 x 8 FLANGE BOLT : 1 pc.

RETAINER

CLEANER COVER

BREATHER PIPE

M6 FLANGE NUT : 2 PCS.

CLEANER CASE

GASKET

ELEMENT

STEP 6

P.T.O. shaft side

Step Parts to remove Remarks and procedures Fasteners

Muffler and

cylinder baffle

Remove spark plug cap first from

spark plug, muffler and cylinder baffle.

Be careful not to lose muffler gasket.

M8 bolt and washer : 2 pcs.

M6 x 16 : 2 pcs.

M8 flange nut : 1 pc.

M6 x 8 : 1 pc.

10·12 mm spanner·box wrench

Air cleaner (1) Detach cleaner cover, and take out

element and retainer.

(2) Remove breather pipe from cleaner

case and breather cover.

(3) Remove cleaner case.

Be careful not to lose air cleaner gasket.

M6 flange nut : 2 pcs.

10 mm box wrench

– 5 –

Step Parts to remove Remarks and procedures Fasteners

Governor lever (1)

Loosen the bolt and remove governor lever.

(2)

Unhook governor spring from governor lever.

Mark the hole on which the governor

spring is hooked.

M6 x 25 : 1 pc.

10 mm box spanner

Carburetor (1) Disconnect choke knob from carburetor

choke lever, and remove choke bracket.

(Only for cyclone air cleaner)

(2) Remove carburetor carefully unhooking

governor rod and rod spring from

governor lever.

Speed control lever and

base plate

M6 x 8 : 2 pcs.

M6 x 14 : 1 pc.

10 mm box spanner

For cyclone air cleaner

GROMMET

M6 x 8 FLANGE BOLT : 2 pcs.

M6 x 14 FLANGE BOLT : 1 pc.

M6 x 25 BOLT AND

WASHER AY : 1 pc.

GOVERNOR ROD

SPEED CONTROL LEVER AY

GOVERNOR SPRING

ROD SPRING

STEP 9

STEP 8

STEP 10

FRICTION WASHER

WASHER

STOP PLATE

CHOKE KNOB

CHOKE BRACKET

GASKET (INSULATOR)

GASKET (INTAKE)

INSULATOR

CARBURETOR

BASE PLATE CP

GOVERNOR LEVER

P.T.O. shaft side

– 6 –

Step Parts to remove Remarks and procedures Fasteners

11 Ignition coil Remove ignition coil from crankcase. M6 x 25 : 2 pcs.

10 mm box spanner

Flywheel (1) Remove the starter pulley from flywheel.

Place socket wrench on flywheel fastening

nut and strike tip of the lever with hammer.

(2) Remove the cooling blower.

(3) Tap on flywheel end of crankshaft using

aluminum bar to remove flywheel.

(4) Remove the key from crankshaft.

M14 nut, springwasher : 1 pc.

M6 x 12 : 4 pcs.

19 mm socket wrench

10 mm box spanner

13 Spark plug Remove spark plug from cylinder head. 19 mm plug wrench

SPARK PLUG

SPARK PLUG CAP

FLYWHEEL CP

COOLING BLOWER

WOODRUFF KEY

STARTING PULLEY

M6 x 12 FLANGE

BOLT : 4 pcs.

M14 SPRING WASHER : 1 pc. M14 NUT : 1 pc.

M6 x 25 BOLT AND

WASHER AY : 2 pcs.

IGNITION COIL CP

STEP 11

STEP 13

STEP 12

ALUMINUM BAR

FLYWHEEL

P.T.O. shaft side

– 7 –

Step Parts to remove Remarks and procedures Fasteners

Rocker cover Remove rocker cover and gasket from

cylinder head.

M6 x 30x 10 : 4 pcs.

10 mm box spanner

Cylinder head (1) Remove cylinder head and gasket from

crankcase.

(2) Remove push rods from cylinder.

M8 x 60 : 1 pcs.

M8 x 55 : 1 pcs.

M8 x 55x 25 : 1 pc.

M8 x 55x 12.5 : 1 pc.

Washer : 1 pc.

10·12·13 mm

box spanner·box wrench

PUSH ROD

PIPE KNOCK

ROCKER COVER

GASKET

CYLINDER HEAD CP

STEP 15

STEP 14

M6 x 30 x 10 BOLT : 4 pcs.

M8 x 60 sus BOLT : 1 pc.

Washer : 1 pc.

M8 x 55 x 12.5 FLANGE BOLT : 1 pc.

M8 x 55 x 25 FLANGE BOLT : 1 pc.

M8 x 55 FLANGE BOLT : 1 pc.

P.T.O. shaft side

– 8 –

Step Parts to remove Remarks and procedures Fasteners

Breather Remove breather cover, breather plate, and

gasket from crankcase.

M6 x 12 : 2 pcs.

10 mm box spanner

Main bearing cover Be careful not to damage the oil seal.

Use a soft hammer and evenly tap around

outer surface of cover.

M6 x 28 : 8 pcs.

soft hammer

10 mm box spanner

MAIN BEARING

COVER CP

STEP 16

STEP 17

GASKET

BREATHER PLATE

BREATHER COVER

M6 x 28 FLANGE BOLT : 8 pcs.

M6 x 12 FLANGE BOLT : 2 pcs.

P.T.O. shaft side

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