background image

HARD ST

AR

TING

INSPECTION AND 

ADJUSTMENT

Chec

k the quantity

of fuel in the tank.

Remo

v

e

 the plug,

attach the cap

,

g

round it and see

if it fires

.

Is there compression 

when the recoil 

star

ter is pulled?

P

erf

or

m the star

ting 

oper

ation according 

to procedures

.

If the 

motor does not star

t, 

remo

v

e

 the plugs and 

inspect them again.

PR

OBLEM & FINDINGS

The engine w

on’t star

t.

PR

OBABLE CA

USES

A

CTION

There is fuel.

There is no fuel.

A spar

k fires

correctly

.

There is

no spar

k.

Compression

is nor

mal.

There is no 

compression.

The plug is w

et.

The plug is dr

y.

Supply fuel.

1.

Spar

k plug insulator is damaged.

2.

The poles are dir

ty or there are carbon deposits

.

3.

The gap is incorrect.

4.

The plug cap is damaged.

5.

The plug cap spr

ing contact is improper

.

6.

There is module f

ailure inside

.

7.

The high tension cord or s

witch wire is damaged

or disconnected.

8.

The air gap is incorrect.

9.

The s

witch is brok

en.

1.

Replace

2.

Clean

3.

Correct

4.

Replace

5.

Correct.

6.

Replace

7.

Replace

8.

Adjust

9.

Replace

1.

The cylinder

, piston, piston r

ings are w

o

rn

,

damaged or w

a

rped.

2.

The piston r

ings are stic

king.

1.

Air is enter

ing from the insulator

, carb

uretor or gask

et.

2.

The fuel filter is clogged.

3.

The inlet screen or jets are clogged with dir

t.

4.

The needle v

alv

e is stuc

k.

5.

Gas is leaking from the base of the cylinder

.

6.

Gas is leaking from the cr

ankcase halv

es contact

surf

ace

.

7.

Gas is leaking from the cr

ankcase oil seal.

1.

Replace

2.

Replace

1.

Correct

2.

Clean or Replace

3.

Clean or Replace

4.

Clean or Replace

through pump body

assemb

ly

5.

Correct

6.

Correct

7.

Replace oil seal

1.

There is dir

t betw

een the needle v

alv

e and the

needle v

alv

e seat.

2.

The needle v

alv

e is w

o

rn

.

3.

The air cleaner is clogged.

4.

T

oo m

uch fuel is dr

a

wn in.

1.

Clean

2.

Replace

3.

W

ash out the

air cleaner

.

4.

T

a

k

e

 out the spar

k

plugs and remo

v

e

the e

xcess gas

.

27

Summary of Contents for Xtra

Page 1: ...ending Design registrations Granted in USA Australia Japan Great Britain Patent Pending on Cross Blade System IMPORTANT MANUAL DO NOT THROW AWAY Manual always to be available for reference or instructing new operators SUPERVISORS THIS IS YOUR RESPONSIBILITY IMPROPER USE CAN CAUSE SERIOUS INJURY MAKE SURE THIS MANUAL IS READ AND CAREFULLY UNDERSTOOD BEFORE STARTING OR OPERATING THIS EQUIPMENT ...

Page 2: ...d satisfaction from your Xtra Edger it is important that you read and understand the maintenance and safety precautions before using the edger Contact your Little Wonder dealer or the Little Wonder distribu tor in your area if you do not understand or cannot carry out any of the instructions in this Manual SERVICE INFORMATION Contact your authorized Little Wonder dealer for service WARNING As with...

Page 3: ...g depth of cutting blade PARTS AND CONTROLS DANGER KEEP HANDS FEET AWAY ROTATING BLADE DIRECTION OF ROTATION WARNING KEEP INSIDE OF BLADE GUARD CLEAN ESPECIALLY IN WET CONDITIONS A CLOGGED GUARD CAN SLOW DOWN OR STOP BLADE ROTATION AND MAY CAUSE DAMAGE TO AUTOMATIC SAFETY CLUTCH ALWAYS OPERATE BLADE AT HIGH SPEED WHEN EDGING 3 Key 21 Key 22 Key 25 FIG 1 WARNING ALWAYS REPLACE FUEL CAP SECURELY MET...

Page 4: ...ldren and animals should not be allowed in the area where a machine is in use at least 15 feet away Fig 2b Never let the unit run unattended WARNING Do not lend rent or sell this machine without the operator s manual Be sure that anyone using this unit understands the information contained in this manual before use Safe use of an Xtra Edger involves 1 The Operator 2 The Xtra Edger 3 The use of the...

Page 5: ...gs These are designed to reduce the transmission of engine vibrations to the operator s hands Replace hand grips and mountings when worn or damaged The rubber handles do not guarantee that you will not sustain whitefinger disease or carpal tunnel syndrome Therefore continual and regular users should monitor closely the condition of their hands and fingers If any of the above symptoms appear seek m...

Page 6: ...orrect idle speed see the speed setting instructions on page 13 SAFE MAINTENANCE REPAIR AND STORING Use only original Little Wonder replacement parts for maintenance and repair Use of parts manufactured by others will void warranty and or may cause serious or fatal injury Follow the maintenance instructions in the appropriate section of this manual Any repairs should be carried out by an authorize...

Page 7: ...o allow for the escape of hot and toxic exhaust fumes Operate your machine under good visibility and daylight conditions only Work carefully SAFE WORKING CONDITIONS When working with the Xtra Edger always wrap your fingers tightly around each handle Keep your hands in this position to have your machine under control at all times NEVER attempt to operate the Xtra Edger with one hand as a loss of co...

Page 8: ...throttle Key 50 to right handle Key 36 Clip in throttle cable ignition switch wire with 2 cable clamps Key 60 attached to handle THROTTLE CABLE FROM ENGINE MUST BE FITTED UNDER HANDLE DO NOT LOOP OVER HANDLE 8 WARNING DANGER FUEL IS EXTREMELY FLAMMABLE HANDLE IT WITH CARE KEEP AWAY FROM IGNITION SOURCES DO NOT SMOKE WHILE FUELING YOUR EQUIPMENT FIG 6 60 50 31 85 85 1 35 2 36 68 Your Little Wonder ...

Page 9: ... gas can and always use unleaded gas Never try to mix the oil and gasoline in the engine fuel tank Always mix oil and gas in the proper proportions 2 6 ounces of two cycle engine oil to one gallon of unleaded gasoline IMPORTANT NOTE DO NOT use old or stale oil gasoline mixture Always use the proper oil gasoline mixture If you do not your engine will suffer rapid permanent damage and you will void ...

Page 10: ...st pull Fig 9C Do not pull out starter rope more than 26 65 cm it might break 3 Stand between handles to start Do not let starter grip snap back Guide it back slowly so that the starter rope can rewind slowly 4 PULL THE STARTER ROPE BRISKLY until you hear the engine sound like it wants to run or runs then stops normally 1 5 pulls 5 Open choke gradually open position Fig 9A to allow engine to run 1...

Page 11: ...to reduce handle vibrations During Break In Period A factory new machine should not be run at high revs full throttle without any load This avoids unnecessary wear during the break in period As all moving parts have to set during break in period frictional resistances in the engine are greater during this period Engine develops its maximum power after about 5 to 15 tank fillings After Finishing Wo...

Page 12: ...rate pace until you are familiar with the controls and the handling of the Xtra Edger 8 If blade jams or stops in the ground Fig 12B lower handles or pull back unit and recommence Control engine and cutting speed to suit work being done When cutting efficiently engine speed should be full throttle under load 9 Edging along Concrete edge For position of blade align edge guide on top of blade cover ...

Page 13: ...ilter cover Fig 14 NOTE If the unit is operated with a dry or dirty filter or without the air filter and or carburetor air filter cover you will void the warranty FUEL FILTER When the engine runs short of fuel supply and the tank has gasoline in it clean the fuel filter for blockage Fig 15 THROTTLE CABLE The normal play is 040 to 080 when measured at the carburettor side Re adjust with the cable a...

Page 14: ...into place Clean inside blade cover of any built up dirt LOOSE BLADE Follow steps 1 and 2 of Blade Replacement and tighten nut clockwise LUBRICATION OF GEARS The oil in the gear case should be filled up according to use by adding light free flowing lithium based grease P N 100130 through fill screw hole in casing Fig 17 Use a suitable filling gun or squeeze grease pack P N 100130 Remove bleed scre...

Page 15: ...00 operating hours or earlier if electrodes are badly eroded recommended type NGK BPMR7A or Champion RCJ 6Y NOTE Using spark plugs other than those designated may result in the engine failing to operate properly or in the engine becoming overheated and damaged CHECKING EXHAUST MUFFLER Tighten exhaust screws If exhaust gasket is leaking replace gasket If the engine is low on power check the muffler...

Page 16: ...ighten screws Replace gaskets with a sealant and tighten screws Replace crankshaft seal damaged parts Engine lacks power or stalls when cutting Dirty air filter Blocked muffler Clean or replace air filter Clean muffler Cutting blade does not turn when operating Blade cover filled with dirt grass Clutch slipping Loose blade nut Clean Cut less depth Check clutch Tighten nut See page 14 Gear case lea...

Page 17: ...NOTES 17 ...

Page 18: ...41 100514 Pinion Washer 020 42 100122 Pinion L E 43 100515 Screw M5 x 39 Short thread 44 100516 Spring Pin 3 16 x 11 16 45 100517 Screw M5 x 38 47 100519 Screw M5 x 16 49 100521 Screw Self Threading M5 x 20 50 100123 Throttle Trigger Assembly 51 100522 Washer Blade Cover 52 100124 Wheel Complete 53 100523 Wheel Axle Bolt 3 8 x 4 1 2 54 100125 Wheel Axle Spacer 49mm Z P 55 100126 Wheel Axle Tube 39...

Page 19: ...19 LITTLE WONDER X TRA E DGER P ARTS B REAKDOWN ...

Page 20: ...20 ...

Page 21: ...21 LITTLE WONDER XTRA EDGER ENGINE PARTS BREAKDOWN ...

Page 22: ...d tight FITTING NEW BLADE SHAFT 5 Remove blades washers blade drum and felt seal using wrenches as shown Fig 1A 1B 1C 6 Hold unit as shown and tap shaft through using a 3 8 bolt or similar Fig 2A so that bolt READ ALL THIS INFORMATION BEFORE COMMENCING SO YOU BECOME FAMILIAR WITH SEQUENCE OF REPAIRS CLEAN ALL PARTS BEFORE REASSEMBLY LITTLE WONDER XTRA EDGER Body Workshop Manual BLADE REPLACEMENT F...

Page 23: ...out remove complete main body bearing cover housing see following para 13 and Fig 7 REPLACING CLUTCH DRUM CLUTCH HOUSING OR GEARS 10 Remove blade cover wheel assembly and handles leaving throttle connected to engine Remove engine from clutch housing using a 10mm wrench or socket or ratchet Fig 3 REMOVING CLUTCH DRUM 11 If not overtightened by heavy work it may be possible to remove by holding blad...

Page 24: ...rn screwdriver on edge to force back further Fig 9A B NOTE Position of screwdriver and direction to lever 15 With a copper or brass punch a 7 16 brass or copper shaft about 10 long hold housing and tap pinion out Fig 10 BE CAREFUL On the last tap the pinion and shaft could move out very quickly and if the drum hits any object it could bend Use an obstacle of cloth to prevent this 16 Hold shaft in ...

Page 25: ...ctite seal and replace if pinion is worn Replace new pinion making sure it is tight up to spacer washer P N 100514 Fig 15 and does not move see Fig 16 ASSEMBLING MAIN HOUSING 19 Place oil resistant gasket sealant e g Fullerprene 303 around bearing Fig 16 Heat up bearing area E with air gun if available 20 Lock up a 3 8 bolt or a 10mm round brass or steel in vice jaws so it can be used as a mandril...

Page 26: ...n and locate new clutch drum housing only one screw necessary 21 Replace crown gear if teeth are worn See sequence of assembly Fig 20 22 Check and renew O ring if necessary Fit assembly into housing If bearing is loose in housing smear loctite around bearing before assembling Carefully drive down making sure gears are meshing by gently tapping around bearing area Fig 21 23 Fill or top up with gear...

Page 27: ...ch wire is damaged or disconnected 8 The air gap is incorrect 9 The switch is broken 1 Replace 2 Clean 3 Correct 4 Replace 5 Correct 6 Replace 7 Replace 8 Adjust 9 Replace 1 The cylinder piston piston rings are worn damaged or warped 2 The piston rings are sticking 1 Air is entering from the insulator carburetor or gasket 2 The fuel filter is clogged 3 The inlet screen or jets are clogged with dir...

Page 28: ...ne damage Disassemble and repair 1 The plug cap is disconnected 2 There are carbon deposits in the spark plug gap 3 There is a module failure 4 The high tension cord or switch wires are broken or have a short circuit 1 Attach the cap securely 2 Clean the electrodes 3 Replace after inspection 4 Correct or replace 1 The fuel filter is clogged 2 There is dirt in the carburetor valve or jet 3 Water is...

Page 29: ...les are dirty or worn 2 The plug is not fully insulated 3 There is a current leak from the plug cap 4 The magnet air gap is too wide 1 Clean correct or replace 2 Replace 3 Replace 4 Correct 1 The inside of the carburetor is clogged with dust 2 The air cleaner is clogged The idle speed is too low 1 Wash out 2 Clean Set the idle to the correct speed 1 The tank cap vent hole is clogged 2 The main jet...

Page 30: ...e cooling fin cylinder 4 The blades of the cooling fan are damaged 5 The cooling air path is obstructed by debris 1 Replace 2 Replace 3 Tighten as necessary 1 Clean 2 Clean 3 Clean 4 Replace 5 Clean 1 There are carbon deposits in the combustion chamber 2 The piston and piston pin are worn out 3 The fuel is incorrect 1 Clean 2 Replace 3 Replace Remove the air cleaner pull the lever all the way back...

Page 31: ...AGE THE XTRA LAWN EDGER ENGINE IS WARRANTED FOR TWO YEARS IF ANY EMISSION RELATEDPART ON YOUR ENGINE IS DEFECTIVE THE PART WILL BE REPAIRED OR REPLACED BY LITTLE WONDER OWNER S WARRANTY RESPONSIBILITIES AS THE LAWN EDGER ENGINE OWNER YOU ARE RESPONSIBLE FOR THE PERFORMANCE OF THE REQUIRED MAINTENANCE LISTED IN YOUR OWNER S MANUAL LITTLE WONDER RECOMMENDS THAT YOU RETAIN ALL RECEIPTS COVERING MAINT...

Page 32: ...ance or durability or that has been altered or modified so as to change its intended use The warranty does not extend to repairs made necessary by normal wear or by the use of parts or accessories which are either incompatible with the Little Wonder Xtra Edger or adversely affect its operation performance or durability Little Wonder reserves the right to change or improve the design of any Little ...

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