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LawnMaster 460 Owner's Manual

530\ 480

Made by: LawnMaster
Type: Owner's Manual
Category: Lawn Mower
Pages: 16
Size: 1.58 MB

 

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Rotary

Mowers

Owner’s Manual

www.steelfort.co.nz

FOR MODELS 

460

 

n

 

480 

n

 530

 


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Contents

Before using your new Rotary Mower 
read the Owner’s Manual carefully 
until you completely understand and 
can follow all warnings and safety 
instructions before commissioning and 
operating your mower.

For Your Records

The following information should be recorded as a 

reference should you wish to contact your Service Agent

1   Contents
2   Safety Instructions

 Preparation
 Operation

4   Commissioning the Mower

 

Engine information

 

Assembling the catchers (460/09 Series & 480 model)

 

Handlebar folding instructions

 

Handlebar height adjustments

 

Mulch & Catch models

5   Operating the Mower

 

Starting the Mower COLD

 

Starting the Mower HOT

 

Stopping the engine

 

Throttle control lever

 

Zone start

 

Recoil start

 

Key start

 

Cutting height adjustment

 

Cutting blade adjustment

 

Grass catcher

 

Mulching models

 

Fitting and removing the mulcher plate

 

Self-propelled models

8   Maintenance

 Engine
 

Check engine oil level

 

Clean the air filter

 

Check spark plug

 

Rotating screen

 

Throttle control & Self-Propelled control

 

Fasteners and linkages

 

Blade care

 

Change worn or damaged blades

 

Disc blade assembly

 

Blade replacement torque settings

 

Carburettor adjustment

9   Cleaning 

&

 Storage

 

Cleaning the mower body

 

Cleaning the catcher

 Muffler
 

Cleaning under self-propelled drive cover

 Storage

10 Troubleshooting
11 Warranty 

&

 Spare Parts

Key to Mower Symbols

MODEL

SERIAL No.

PURCHASE DATE

PURCHASE PRICE

OWNER’S NAME

RETAILER’S NAME

ADDRESS

Warning

Read instructions before starting operations

Be careful of object(s) thrown from the mower

Keep other people away from the danger zone

Disconnect spark plug before maintenance

Danger 

– Keep hands and feet away from 

cutting blades

Danger 

– 

Do not

 touch hot surfaces

Be careful of hot surfaces

1

PAGE

 


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Safety Instructions

1  Read the instructions carefully. Be familiar with the 

controls and use of the equipment.

2  Know how to stop the lawnmower and disengage 

the controls quickly in an emergency.

3  The operator or user is responsible for accidents or 

hazards occurring to other people or property.

Safety

4  Never allow children or people unfamiliar with 

these instructions to use the lawnmower.

5  Never operate the lawnmower while people or 

animals are nearby.

6  While mowing, always wear substantial footwear 

and long trousers. Do not operate the lawnmower 
when barefoot or wearing open sandals. 

7  Never operate the lawnmower with defective 

guards, shields or without safety protection devices 
in place and in good working order.

8  Do not operate the lawnmower in a confined 

space where dangerous carbon monoxide fumes 
can collect.

9  Never cut grass while walking backwards. 
10  Always wear suitable eye & ear protection when 

operating the lawnmower.

11  Mow only in daylight hours or in good artificial 

light.

12  Never lift or carry the lawnmower while the engine 

is running.

13  Keep hands and feet well clear of rotating blades 

and components.

14  Always stop the engine when you leave the 

lawnmower unattended and when crossing roads, 
pathways or gravel drives.

15  Never mow without the catcher or mulch plug 

fitted or without the rear flap being in the 

 

closed/down position.

2

Precautions must be taken to 
avoid injury to the operator, or 
any bystander…or damage to 
your mower

Read this manual before using the 
lawnmower. It is essential that 
operators study it for their own 
and others’ safety

This sign is used to indicate important information for 
your safety and to prevent damage.

Preparation

16  Thoroughly inspect the area where the lawnmower 

is to be used and remove all stones, sticks, wires, 
bones and any other foreign objects. 

17  When mowing on slopes, only mow across the 

face, never up and down. Exercise extreme caution 
when changing direction. Do not attempt to mow 
excessively steep gradients. A 15° incline is the 
maximum recommended.

Operation

18  

General 

• 

Check that the lawnmower is in good working 
order before using. 

• 

Do not adjust throttle or governor settings, 
as this will have a detrimental effect on the 
mowers cutting ability and ultimately shorten 
the lawnmower’s working life.

19  

Lawnmower Body

 

• 

Visually inspect to see that the cutting blade(s), 
blade bolts and cutting disc are not worn or 
damaged. 

• 

Regularly check that all nuts, bolts, linkages and 
connections are tight and secure.  

• 

Repair or replace excessively worn or damaged 
components with genuine Spare Parts only.

20  

Fuel 

• 

Add fuel before you start mowing. 

• 

Refuel and lubricate outdoors only.

• 

Only remove the fuel cap and add fuel while the 
engine is stopped. 

• 

Thoroughly clean any fuel spillages before 
starting the engine. 

• 

After refuelling or topping up with engine oil, 
ensure that the filler caps are replaced securely.

• 

Store fuel in a cool place away from direct 
sunlight in a suitable container.

21  

Engine, Drive & Blade

 

Stop the engine and disconnect the spark plug 
before attempting to: 

Clean the mower. 

Un-block the cutting mechanisms. 

Carry out maintenance or repairs. 

Inspect the mower if abnormal vibrations occur 
or after striking a foreign object.

 


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Your engine will run best on fresh, clean unleaded 
petrol (91 octane). Use of unleaded fuel results in 
fewer combustion deposits, burns cleaner and gives 
longer valve life. 
Do not over-fill the petrol tank to allow for fuel 
expansion. It is recommended that approximately 
5mm to 10mm of tank space is left for this.
When handling fuel:

 

Do not fill tank when the engine is running.

 

Do not smoke or expose naked flame.

 

Do fill the tank in open, well-ventilated area.

 

Do wipe away any spills.

 

Do move the mower away from any petrol fumes 
before starting the engine.

Assembling the Catcher, 

460/09 Series 

1

   Place the base of the 

 

catcher onto a flat 

 

surface, a bench 

 

is ideal.

2  

Tilting the top of the 

 

catcher forward - ease 

 

onto the base. 

 

Locate the front 

 

lugs and tilt 

 carefully 
 

rearwards to 

 

align the

 

remaining lugs.

3

 

  Ensure both halves are 

 

aligned and the lugs 

 

engaged. Clamp 

 

together the top 

 

and bottom 

 

halves (with 

 

firm downward 

 

hand pressure) to lock securely.

3

Open the carton and remove the lawnmower and 
its accessories…and you will find:

• 

1 x Rotary Mower.

• 

1 x Grass catcher TOP

• 

1 x Grass catcher BASE

• 

1 x Mulch plug  (if applicable)

• 

1 x Owner’s manual 

• 

1 x Engine manufacturer’s Owner’s manual

Take precautions when doing this to ensure that you 
do not put undue stress on your back when lifting 
from the carton. It is recommended that two people 
lift out the mower to prevent injury or use a suitable 
hoist, if available.

Engine information

Refer to the separate Engine Manufacturer’s Owners’ 
Manual (supplied with every rotary mower) that 
accompanies this booklet and carry out all of the safety 
checks before proceeding with the commissioning of 
the mower. 

Before you use your lawnmower, every four stroke 
will require approximately 600 ml of engine oil in the 
sump. With the lawnmower in a level position, 
1  Remove the oil dipstick. 
2  Wipe the dipstick clean. 
3  Fill to the full mark, pouring slowly - DO NOT 

OVERFILL. Then screw the dipstick securely back 
into place. 

Note

 that if the engine is overfilled, it will smoke 

excessively or appear to be seized.

Commissioning the Mower

Engines fitted to rotary mowers 
are shipped without oil. Check the 
Engine Manufacturer’s manual for 
oil grade details.

Petrol vapour is highly flammable. 
Handle with extreme care. 
Store in approved containers.

 


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Handlebar folding instructions

The handlebar assembly is supplied in the 
storage position for packaging  purposes. 
The folding handle system allows for
compact storage when not in use. 

• 

Unfold the handle by lifting and 

 

turning it to its ‘mowing’ position. 

• 

Lock the handlebar in this 

 

position by activating the locking

 

lever before operating the 

 

mower. The locking lever 

 

can be locked in place at 

 

any  point throughout its  

 

360-degree movement. 

• 

On models fitted with the ‘zone start’ facility, pull 
the engine starter cord out carefully so that there 

 

is sufficient length to extend  the handle fully 
without  stretching the cord. 

To change the handlebars back to the storage position, 
simply loosen the handle locking lever and rotate the 
upper handlebar forward over the mower body.

Assembling the Catcher 480 Model

You will need a #6 Pozi Screwdriver

1

   Place the base of the catcher onto a low flat surface.

2

   Take the top half of the 

 

catcher and place it on 

 

top of the base, lining 

 

up the screw bosses 

 

at the front of the 

 catcher.

3

   Working from the front, insert 

 

each of the screws into the

 

openings on the top of the 

 catcher.
 

Using one hand, 

 

line the screw 

 

bosses up on

 

the inside of 

 

the catcher. Tighten the screw, using the 
screwdriver.

4

   Pushing from the inside, move the grill into place on 

both sides.

 

The grill should snap into place interlocking along 
the bottom edge.

Assembly

4

Always wait until the engine has 
stopped and the blade has stopped 
rotating before fitting or removing 
the mulcher plug.

The mulching lawnmowers have been provided with a 
mulch plug. Removing the mulch plug from the mower 
and fitting the catcher converts the mulching mower to 
a catching model and vice versa.

Handlebar height adjustment

The height of the handlebar can be adjusted to 
various heights. Lift the grass flap and secure it in the 
open position, loosen the four bolts two on each side 
connecting the handle to the mower.

• 

The handle can now be adjusted to the correct 
height by moving it. 

• 

Hold the handle in place and tighten the bolts to 
secure the handle in its new position. 

Mulch & Catch models

 


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The 

run

 position has a detented position for working (or 

governed) speed and a graduated quadrant slide allows 
for selected slower running speeds. 

Note

 that the engine speed dictates the speed and 

operation of the cutting system. 

Zone Start

Note that as soon as the engine is cranked the cutting 
blades rotate immediately. Models fitted with Zone Start 
allow effortless, trouble free, ‘at the handle’ starting 
while keeping feet and hands away from the cutting 
mechanism and danger zones. To start simply pull 
the zone start handle firmly as you push the mower 
handlebar away.

Recoil start 

Refer to the Engine Manufacturer’s owners’ handbook 
for details.

Key start 

Refer to the Engine Manufacturer’s owners’ handbook 
for details.

Cutting height adjustment

The single lever 
height adjustment 
makes for easy change 
from one height setting to 
another. There are ten 
cutting  heights available 
(from 10mm-65mm) and 
the most suitable height 
should be selected that best suits the grass 
and weather conditions. To adjust the height of cut 
setting, follow the steps below.

• 

Grip the height adjustment lever by the black knob.

• 

Apply an outward force to the lever to disengage it 
from the quadrant rack setting.

• 

Holding the lever out, move the lever up or down 
the quadrant rack to the desired height of cut.

• 

Engage the lever into the quadrant rack by releasing 
the outward force.

Note

 when using a mulching mower, 

using the higher height settings 
will give the best mulching 
performance. On 
some models there
are two holes in 
the axle bell cranks 
on the left hand side of 
the mower. The correct setting  for the connecting rod 
link is to have the rear of the link in the top hole and the 
front of the link in the lower hole.  

Operating

5

Starting the Mower COLD 

Open the fuel shut off valve (where fitted).
Move the throttle control to choke / start position. 
For lawnmowers fitted with non-choke engines, the 
primer bulb must be firmly pressed three to four times 
after the throttle control lever has been moved to the 
run position.
1  Grasp the starter grip and pull slowly until 

resistance is felt and then pull the starter cord with 
a rapid, smooth movement to start the engine. Do 
not allow the cord to snap back.

2  For models without a ‘zone start’ feature, place 

your foot against the mower body then grasp the 
starter grip.

3  Repeat the starting procedure above if necessary.
4  When the engine starts, move the throttle to the 

run

 position and to the speed desired.

5  In the case of flooding occurring, move the throttle 

to the 

stop

 position, pull the starter cord 5 - 6 

times, then move the throttle lever to the choke 
/ start or 

run

 position and pull the starter cord as 

above.

Starting the Mower HOT

Follow the above #1 to #5 steps for restarting after 
emptying catcher or short rest periods. A warm engine 
will usually start in the 

idle

 position. However, if it fails 

to start, follow the cold start procedure.

Stopping the engine

To stop the engine, move the throttle control to the 

stop

 position. Turn the fuel shut-off valve (where 

fitted) to the close / off position when the mower 
is not in operation to prevent fuel leakage from the 
carburettor. 

Throttle control lever

The throttle control lever is located on the 
right hand side of the handle. 
The throttle lever is moved fully 
forward into the detented choke / start 
position to start a cold engine. 
 

Never start or run the engine 
indoors or in poorly ventilated 
areas. Engine exhaust contains 
carbon monoxide gas which can 

be fatal. Keep hands, feet and 
clothing away from moving parts.

.

 


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Operating

6

Cutting blade adjustment

It is essential that the relationship between the blade(s) 
and mower body is kept in good adjustment and that 
cutting edges are kept sharp to ensure good cutting 
performance, minimum power consumption and 
prolonged life for the cutting edges. Carry out the 
following procedures before commencing work and 
re-check the settings every 2 to 3 hours of mowing or 
when the cutting performance is noticeably reduced. 
During mowing, the blade tips can move relatively 
to the mower body through normal work or by 
hitting obstructions.  Check that the cutting blade(s) 
is correctly set to the mower body by measuring the 
distance between the blades and the lawnmower 
skirt, vertically. This distance should nominally be 3 
mm. Disconnect the spark plug cable and carefully 
rotate the blade by hand and check that the distance 
is nominally correct all around the mower body. If 
adjustment is necessary, proceed as follows:

• 

Remove the 
spark plug 
cable from the 
spark plug.

• 

Rotate the 
blade(s) 
manually until 
it is accessible 
from the rear flap area.

• 

Using a crescent spanner on the end of the blade, 
apply an upward or downward force to correct the 
distance.

• 

Re-check each blade and make marginal 
adjustments as necessary.

• 

Re-fit the spark plug cable.

If it is impossible to obtain a good clean cut, it may 
be necessary to take the mower to your local Service 
Agent to have a new set of blades fitted.

Grass catcher

Your rotary lawnmower can be operated with the grass 
catcher fitted, or removed as a utility mower. 

Always disconnect the spark plug 
lead when adjusting the blade, to 
prevent accidental engine start.

Recommended check dimension 3mm inside mower body

Always shut off the engine and 
ensure it has stopped before fitting 
and removing the grass catcher or 
raising the rear flap

Note that if the lawnmower is used with the catcher 
removed, the rear flap must be fitted and located in 
the down / closed position. To fit the grass catcher, 
stop the engine and position the catcher on the 
ground behind the mower. Raise the rear flap and lift 
the catcher into position ensuring the catcher tongue 
is located over the rear axle. Slide the catcher forward 
and upward; lower the flap so that the lugs on the flap 
locate into the square holes on top of the catcher. Your 
catcher is now attached. 
To remove the grass catcher, stop the engine, hold the 
catcher by its top handle and raise the rear flap. Lift 
the grass catcher up and away from the lawnmower 
and return the grass flap to its down / closed position. 
Avoid leaving the catcher in direct sunlight when not in 
use. The catcher will not deteriorate if stored wet but 
prolonged exposure to sunlight can cause premature 
UV breakdown. Dust and clippings will build up inside 
the catcher and on its venting screen, particularly 
during wet weather mowing. This debris will impede 
the function of the catcher so it should be removed by 
hosing out with water when necessary.

Mulching models

Mulch mowing is recommended at the higher end 
of the height of cut settings to allow a good even 
cut and distribution of clippings through the lawn. 
Mulch mowing involves different mowing practices 
to conventional mowing and here are a few helpful 
guidelines to provide the best results with your 
mulching mower. 

• 

Avoid mulching the lawn in wet conditions. Wet 
grass will build up on the inside of the body, fall off 
in clumps and not spread evenly into the lawn. The 
best time to mulch is in the late afternoon or early 
evening. By this time the grass is usually dry and 
the sensitive, newly cut grass is not exposed to the 
direct sunlight.

Always wait until the engine has 
stopped and the blade has stopped 
rotating before fitting or removing 
the mulcher plug.

Top 1/3 of height

or 25mm max

 


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Operating

7

• 

Limit your ground speed to suit the conditions and 
to obtain the best finish and distribution. The slower 
the forward speed the better the finish.

• 

Do not try to mulch on a low cutting height setting. 
Remember the maximum cut should be 25 mm off 
the top of the grass or one third of the grass height, 
whichever is the lesser amount.

• 

Always mulch at maximum throttle setting. When 
engine speed is reduced or the workload is too 
much, the blades will not mulch the grass efficiently 
resulting in a poor quality finish.

• 

Keep the blades sharp for optimum mulching 
performance and to reduce engine power loss and 
speed.

• 

Keep the underside of the lawnmower body clean 
so that the airflow is not restricted. All rotary 
lawnmowers are fitted with a convenient wash 
nozzle for this purpose.

• 

If a trail of grass is visible, raise the cutting height of 
the mower. 

• 

If the conditions for mulching are not ideal and / or 
there are trails of clippings visible after cutting, there 
are several steps that you can take. Convert your 
lawnmower back to catcher mode to remove some 
of the matted grass, re-mow over the clippings, 
raise the height of cut or rake up the clippings after 
mowing.

• 

It is recommended to vary the direction of mowing 
from week to week to prevent matting of the grass. 
One-week mow east to west, the next mow north 
to south.

• 

You may notice excess clippings being dropped 
during turning; these areas should be re-mown at 
the end to distribute properly.

Fitting & removing the mulcher plug

FITTING THE PLUG

• 

Stop the engine.

• 

Make sure the discharge chute and underside of the 
mower body is clean.

• 

Lift the rear flap 

 

of the lawnmower 

 

and remove the 

 

catcher, if fitted. 

• 

Grasp the mulcher plug 

 

by its handle and insert 

 

into the rear of the 

 

lawnmower ensuring 

 

it is positioned correctly. 

• 

Guide the mulcher plug in over the rear axle and 
crossbar and then 

 

clip into position.

• 

Lower the rear 

 

flap and clip over the 

 

protruding section of 

 

the mulcher plug.

• 

The lawnmower is now 

 

ready to use as a mulcher model.

REMOVING THE PLUG

• 

Stop the engine.

• 

Press down on the handle of the mulcher plug and 
lift the rear flap of the lawnmower.

• 

Grasp the mulcher plug by its handle and lift clear 
of the rear axle of the lawnmower.

• 

Guide the mulcher plug out over the rear axle of 
the lawnmower.

• 

Lower the rear flap or fit the catcher as required.

Clean the underside of the mower body and mulcher 
plug as necessary.

Self-propelled models

DRIVE LEVER
To engage 

drive

, squeeze 

the levers toward the 
handle and hold 
against the main 
handle. To disengage 
drive, release the drive 
levers.

 

CHANGING SPEED 530 MODEL
This lawnmower is equipped with a three speed  
transmission.  To change speeds, move the  speed 
selection lever mounted on the left handlebar. Select ...

1

 = 

slow speed

2

 = 

intermediate speed

, and 

3

 = 

fast speed

Change speeds with the engine running.  Speeds may 
be changed with the mower stationary or moving.

IMPORTANT 

TO PREVENT DAMAGE Regular 

maintenance is essential for the continued safe 
operation of the machine. Correct servicing will 
prolong the working life of the machine and safeguard 
the Warranty. Always fit genuine Service Parts as these 
are accurately matched to the required duty.

 


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Maintenance

8

Check engine oil level

Periodically the oil level should be checked to ensure 
it is correct. Engine oil also requires changing after 
the initial first five hours of use, and then every 50 
hours of normal use and 25 hours of heavy use 
thereafter.  With the mower in a level position, 
1.  Remove the oil dipstick. 
2.  Wipe the dipstick clean replace and remove. 
3.  If the engine oil level is below the minimum 

mark on the dipstick, top up with the correct 
grade of engine oil to the full mark on the 
dipstick. 

DO NOT OVER FILL

. Then screw the 

dipstick securely back into place.

Note 

that if the engine is overfilled, it will smoke 

excessively or appear to be seized.

Clean the air filter

Remove and clean the air filter cartridge at three 
monthly intervals or every 25 hours of normal 
use. The air filter cartridge may require servicing 
more often under dusty operating conditions. To 
service the air filter cartridge, follow the procedures 
detailed in the engine manual.

 

Check spark plug

Clean and reset the spark plug gap every 25 hours 
of operation. Remember, in small engines, difficult 
starting and
erratic 
running is 
most often 
attributable 
to a dirty, oily or carbonated spark plug. Do not file 
or sand blast the spark plug electrode but clean 

Rotary mower (running) engines 
can seize without sufficient oil

Rotating screen

Through prolonged operation, the rotating screen 
may become clogged with grass and debris. Clean 
the screen in line with the engine manufacturer’s 
recommendations to avoid over heating and possible 
engine damage. 

Throttle control & Self Propelled 

control

Lubricate the cable every 25 hours of mowing by 
applying a light oil to the top of the inner wire and 
allowing it to gravity drain down the inside. The 
throttle control lever quadrant should have medium 
grease smeared over it to protect it from corrosion and 
to give a smooth operation.

Fasteners and linkages

Check that all nuts, bolts, pins and linkages are 
secured correctly in place and are in good condition.

Blade care

Check the condition of the blades, bolts and cutter 
assembly regularly. Remember that badly worn blades 
will affect grass cutting, catcher fill and cause excessive 
mower vibration.

Change worn or damaged blades

To maintain balance, always fit a complete set of 
blades and fasteners. To replace the blades, proceed as 
follows:
1  Set the lawnmower to highest cutting height.
2  Lift the rear flap and prop open to allow access to 

the blade area.

3  Remove each blade, blade retaining bolt, nut, 

washer and discard.

4  Fit the new blades, blade bolts, washer and nuts.
5  Torque the blade nuts (20 Nm) and check each 

blade is free to move after tightening.

6  Remove the prop from the rear flap and replace 

the spark plug cable.

It is recommended that you use an authorised Service 
Agent for any replacement, sharpening or balancing 
blade work. 

Always disconnect the spark plug 
lead when working on the disc 
blade assembly. This will prevent 
accidental engine start.

Engine

Refer to the manufacturer’s operator owner manual for 
engine maintenance information.

by  scraping or wire brushing, then cleaning with a 
commercial solvent. Clean and reset the spark plug gap 
at 0.7 - 0.8mm (0.030”) every 100 hours of operation. 
Always fit the recommended spark plug. 

 


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IF THE DISC IS DAMAGED, REPLACE AS FOLLOWS

1  Tip the lawnmower with its spark plug upward - 

refer to engine manual.

2  Remove the centre bolt; pull the disc blade 

assembly off the three locating pins on the boss.

3  Assemble in reverse order and torque to 50 Nm.

BAR BLADE ASSEMBLY

1  Tip the lawnmower with its spark plug upward - 

refer to engine manual.

2  Remove the centre bolt and spring washer; pull 

the blade and carrier off the engine shaft.

3  Either sharpen and balance the old blade or fit a 

new one.

4  Grease the engine shaft; assemble in reverse order 

ensuring the drive key is located correctly.

5  Torque the centre bolt to 50 Nm.

Blade replacement torque settings

Centre Bolt 50 Nm
Flail Blade Bolts 
20 Nm (free to move)

Carburettor adjustment

Check your engine manufacturer’s Maintenance 
Instructions when carburettor adjustment is required 
to compensate for changes in fuel, temperature, 
altitude or load. 

Maintenance

9

Cleaning 

Storage

Cleaning the mower body

There is a direct relationship between the lawnmower’s 
life and the care and attention given to the 
lawnmower, both during and after operation. After 
use it is important that the lawnmower is thoroughly 
cleaned down and inspected so that it will be in good 
working order the next time it is required. Disconnect 
the spark plug lead and thoroughly clean the engine, 
underside of the chassis, wheels and grass catcher. 
Your rotary lawnmower features a wash nozzle for 
easy cleaning of the underside of the body. Simply 
run the lawnmower at a moderate speed, place a 
garden hose into the wash nozzle and turn on the 
water supply for two to three minutes. The action of 
the rotating blade system will dislodge most grass and 
debris build up.

Cleaning the catcher

Simply hose out the catcher and screen after each use 
to ensure maximum mower performance and catcher 
fill.

Muffler

Always clean around the muffler area regularly to 
reduce the risk of fire and damaging the mower. Brush 
the grass, dirt or combustible debris from the muffler. 

Do not use a water hose around 
the engine. It may contaminate fuel 
or enter ignition system & result in 
poor running & starting problems.

Care should be taken when 
cleaning around the muffler. 
Ensure that the muffler is cool 
enough to touch before cleaning.

Disc blade assembly

 


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Cleaning 

Storage

10

Cleaning under the self-propelled 

drive cover

The area under the drive assembly guard should be 
cleaned out on a regular basis.  

• 

The drive assembly cover should be removed and 
the area cleaned out of any debris. 

• 

Under normal use we recommend doing this once 
per month.

Storage

After each mowing season or if the lawnmower 
is not going to be used for 30 days or more, it is 
recommended that:
1    The engine oil should be changed.
2  All fuel should be removed.
Run the engine until it is warm and drain the engine oil 
and refill with the correct grade to the required level.
The fuel shut off valve should be closed off (where 
fitted) then remove all fuel from the carburettor, fuel 
line and tank to prevent the formation of gum like 
deposits. The lawnmower should then be started up 
and run until all of the fuel left in the system is used. 
Remove the spark plug and pour 15 cc of engine oil 
into the cylinder, crank slowly to distribute the oil and 
replace the spark plug. Store the lawnmower in a clean 
dry area away from direct sunlight, as this will have an 
aging effect on the plastic catcher assembly and other 
plastic component.
Always store the mower on a flat, level surface.

The engine does not start, runs 

erratically or experiences power loss

The engine skips at high speed

The engine idles poorly

The engine overheats

Excessive vibration and/or noise

Oil leaks from muffler or air filter

TroubleShooting

POSSIBLE CAUSE

•  Throttle not in choke/

start position.

•  Fuel tank empty or fuel 

shut off valve closed.

•  Air filter element is 

dirty. 

•  Spark plug loose.

•  Spark plug cable 

disconnected.

•  Defective spark plug.

•  Spark plug gap 

incorrect.

•  Carburettor is flooded 

with fuel.

•  Dirt, water or stale fuel 

in the tank.

•  Vent hole in the filler 

cap is blocked.

POSSIBLE CAUSE

•  Spark plug gap too 

small.

POSSIBLE CAUSE

•  Blocked engine cooling 

fins and air passages.

•  Air filter element is 

dirty.

POSSIBLE CAUSE

•  Cooling airflow 

restricted.

•  Incorrect spark plug 

fitted.

•  Low engine oil level.

POSSIBLE CAUSE

•  Cutting assembly is 

loose.

•  Cutting assembly is 

unbalanced.

POSSIBLE CAUSE

•  Mower tipped up or 

handled incorrectly.

REMEDY

•  Move throttle to 

choke/start position. 

Pump primer more. 

•  Fill tank with 

recommended fuel 

grade and open fuel 

shut-off valve.

•  Service or replace air 

filter.

•  Tighten spark plug.

•  Re-fit cable to spark 

plug.

•  Replace damaged 

spark plug.

•  Replace damaged 

spark plug/refer to 

engine manual.

•  Move throttle to STOP 

position, pull the 

starter cord 5-6 times, 

move the throttle to 

RUN and start engine.

•  Drain and clean fuel 

tank. Refill with clean, 

fresh fuel before 

starting.

•  Clean or replace the 

filler cap.

REMEDY

•  Refer to engine 

manual.

REMEDY

•  Remove debris from 

around the engine.

•  Service or replace the 

air filter.

REMEDY

•  Remove debris from 

around the engine.

•  Refer to the engine 

manual.

•  Check oil level and top 

up if necessary.

REMEDY

•  Refer to blade care/

changing blades.

•  Refer to blade care/

changing blades.

REMEDY

•  Check oil level, air 

filter & spark plug and 

correct as necessary.

If fault persists, consult your authorised Service Agent

 


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If fault persists, consult your authorised Service Agent

Warranty

The seller warrants this rotary lawnmower to be free 
from defects in material and workmanship. 
Subject to the following conditions, the rotary 
lawnmower comes complete with a four-year 
comprehensive parts and labour warranty; with 
the exception of domestic mowers being used for 
commercial, institutional, industrial, rental or income 
producing purposes which are limited to 90 days of 
warranty. Additionally, the rotary lawnmowers come 
with a lifetime warranty on the alloy chassis only.
1  This warranty does not include the engine and 

batteries (if fitted), which are covered by separate 
manufacturers warranties.

2  This warranty excludes normal wear and tear, 

misuse, neglect, accidental damage or defects 
arising from failure to comply with the instructions 
as outlined in this Owners Manual. Wearing parts 
such as blades, blade bolts, belts and spark plugs, 
which can be subjected, to use beyond their normal 
working capacity are also excluded. 

3  This warranty is void if parts other than genuine 

spare parts have been used or if repairs have been 
carried out by other than authorized Service Agents.

4  This warranty does not cover the costs of 

transportation of any part(s) but does cover the 
labour / part costs incurred in repairing or replacing 
any defective part(s).

5  The seller reserves the right to inspect any faulty 

part(s) in order to determine the validity of the 
warranty claim or for any other reason.

6  The seller has no liability for any incidental, 

consequential or special damages and / or expenses 
resulting from any defect in their product. 

These conditions do not affect the purchasers’ statutory 
rights under the laws of the place, state or country of 
purchase. If warranty service is required, contact your 
nearest authorised Service Agent.

Warranty

 &

 Spare Parts

11

Use only genuine LawnMaster spare 
parts to ensure safety/performance. 
Substitute parts can be dangerous 
and will invalidate the warranty.

Spare Parts

When ordering spare parts, please give the following 
information:
•  PART NUMBER.
•  DESCRIPTION AND QUANTITY REQUIRED.
•  MACHINE TYPE/MODEL
•   BATCH AND SERIAL NUMBER.

 


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