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USER MANUAL
Rotary Lawn Mower
SAFETY OPERATION MAINTENANCE
Your lawn mower has been engineered and manufactured to our high standard for
dependability, ease of operation, and operator safety.
WARNING: To reduce the risk of injury, the user must read and understand the
operator’s manual before using this product.
Thank you for your purchase.
SAVE THIS MANUAL FOR FUTURE REFERENCE
Model No. M48A
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LAWN MOWER WARRANTY
The benets conferred by this warranty are in addition to all other conditions and warranties in respect of
this product which the consumer may have taken under the Competition and Consumer Act 2010 or by any
legislation of a State or Territory of Australia. This product is warranted by Husqvarna Australia Pty Ltd (ABN
45 115 475 619) (the “Company”) to be free from defects in material and workmanship for a period of 24
months from the date of original purchase. The Company during the period of the warranty, will at its option,
and subject to the conditions stated herein, repair or replace without charge this product or any component
part, which upon examination by an Authorised Service Agent or by the Company is found to be defective.
Warranty conditions:
This warranty will not apply:
(i) where this product has been subjected to misuse, abuse, accident or want of care;
(ii) where this product has been used for a purpose for which it was not designed or is not suited;
(iii) where the service of this product has been undertaken by a person not authorised by the
Company to carry out such work or where parts that have not been approved by the Company
have been used;
(iv) where this product has been used for industrial purposes.
Should service become necessary during the warranty period, the purchaser should contact an Authorised
Service Agent or the Company. In order to obtain warranty service, the purchaser must present the store
receipt showing the name of the retailer and the date of purchase together with a completed Warranty Card.
The period of the warranty begins from the original date of purchase, notwithstanding any subsequent repair
or parts replacement. No additional warranty or guarantee other than set out in this document, whether
written or verbal, is authorised to be made on the Company’s behalf. The purchaser shall be responsible
for delivery or causing the product to be delivered to the Company or the Authorised Service Agent and
the purchaser shall be responsible for all charges in connection with re-delivery of the product and/or the
delivery of parts. Damage in transit is not covered by this warranty and purchasers should remove from the
product any liquids (if applicable) before sending and pack the product securely to prevent damage.
WARRANTY EXCLUSIONS
Normal wear parts or components are subject to seperate terms as follows: Normal wear parts,
components or service required when performing normal and regular maintenance of this product are
not covered by warranty unless it is found to be defective by an Authorised Service Agent or by the
Company. Normal wear parts include, but are not limited to:
Worn Blades. Lubricants.
Spark Plugs Engine Tune-ups.
Carburetor Tune-ups. Filters.
Returns based on the above listed normal wear parts will not be accepted under this warranty as they
are considered consumable items and are at the expense of the purchaser.
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WARNING
Discharge openings must be guarded at all times. Do not hold the safety ap while moving.
1 Inspect the area where the equipment is to be
used and remove all stones, sticks, wire, bones
and other foreign, hard objects before mowing;
they could be thrown by the blade.
2 Never mow while barefoot or wearing open toe
sandals or thongs. Wear long trousers and heavyduty shoes. It is advisable to wear suitable eye
and hearing protection.
3 Read the Owner’s Manual carefully and know the
controls. Learn how to stop the engine quickly in
an emergency.
4 Stop the engine and disconnect the spark plug lead
before attempting to clear blockages, checking or
working on the mower.
5 Never attempt to adjust cutting height with the
engine running.
6 Never operate the equipment in wet grass, always
be sure of your footings, keep a rm grip on
the handles and walk, never run and never walk
backwards while cutting grass.
7 Check all nuts, bolts and screws before starting.
Always be sure your mower is in a safe operating
condition. Use only replacement parts made or
guaranteed by Husqvarna.
8 Refuel outdoors only. Do not smoke while
refueling engine. Add fuel before starting the
engine. Never remove fuel cap with engine running
or add petrol while the engine is running. If petrol
is spilt, do not attempt to start the engine. Clean
all spilt fuel and move the mower away from the
spilled area. Avoid creating any source of ignition
until petrol vapours have dissipated.
9 Replace worn or damaged blades, as worn blades
and worn bolts are major hazards.
10 Mow only in good daylight.
11 Do not operate the engine in a conned space
where exhaust fumes can collect, as they can be
lethal.
12 Do not put hands or feet near or under rotating
parts. Always keep clear of the blades and
discharge opening.
13 Stop the engine whenever you leave the mower
even for a moment, before cleaning and when
making any adjustments or inspections.
14 Mow across the face of slope, never up and
down. Exercise extreme caution when changing
direction on slopes. Do not mow excessively
steep slopes.
15 Stop the engine when crossing gravel driveways,
walks or roads.
16 Start the engine carefully with feet well away
from the blades.
17 Store fuel in a cool place in an approved
container specically designed for the purpose. In
general, plastic containers are unsuitable.
18 Stop the engine and disconnect the spark plug
lead before inspecting the mower if:
(a) the mower begins to vibrate abnormally, or
(b) after striking a foreign object.
19 Check the catcher for wear and tear, and replace
any worn or broken parts.
20 To reduce re hazard, keep engine free of grass,
leaves and any spilt fuel.
21 Shut the engine off and wait until the blades
come to a complete stop before removing the
catcher or un-clogging the chute.
22 Never pick up or carry a mower when it is
operating.
23 Replace worn or faulty mufer.
24 Before using, always visually inspect to see that
blades, blade bolts and cutter assemblies are not
worn or damaged. Replace worn or damaged
blades and bolts in sets to preserve balance.
25 Do not mow whilst people, especially children, or
pets are in the mowing area.
26 Do not allow children or people unfamiliar with
these instructions to use the mower.
27 Store the mower in a well-ventilated room away
from naked ames such as may be found in hot
water heaters.
28 Do not over-speed the engine or alter governor
settings. Excessive speed is dangerous and
shortens mower life.
29 Turn the fuel off at the conclusion of mowing and
reduce the throttle setting during engine run-out.
30 Never cut grass while walking backwards.
31 Walk, never run.
32 Never use the mower unless the grass catcher,
or guards provided, are in position.
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TABLE OF CONTENTS
■ General safety Rules ........................................................................... 1
■ Introduction ................................................................................... 2
■ Specications .................................................................................. 2
■ Description .................................................................................... 3
■ Assembly Instructions .......................................................................... 4
■ Preparing the Engine ......................................................................... 5-6
■ Running the Engine .......................................................................... 6-7
■ Starting the Engine ........................................................................... 7-8
■ Cutting Height Control ........................................................................ 8
■ Blade Maintenance ............................................................................ 10
■ Maintenance ............................................................................... 11-13
■ Mowing tips .................................................................................. 14
GENERAL SAFETY RULES
The purpose of safety rules is to attract your
attention to possible dangers. The safety symbols
and the explanations with them, require your careful
attention and understanding. The safety warning
by themselves do not eliminate any danger. The
instruction or warnings they give are not substitutes
for proper accident prevention measures.
SAFETY ALERT SYMBOL
Indicates caution or warning. May be used in
conjuction with other symbols or pictures.
Failure to obey a safety warning can result in serious
injury to yourself or to others. Always follow the
safety precautions to reduce the risk of re, electric
shock and personal injury.
Do not attempt to operate this tool until you have
read thoroughly and completely understood the
safety rules, etc. contained in this manual. Failure to
comply can result in accidents involving re, electric
shock or serious personal injury. Save this User
Manual and review it frequently for continual safe
operation and for instructing others who may use
this tool.
The operation of any tool
can result in foreign objects
being thrown into your eyes,
which can result in severe
eye damage.
Before beginning power tool operation, always
wear safety goggles or safety glasses with side
shields and a full face shield when needed. We
recommend Wide Vision Safety Mask for use
over eye glasses or standard safety glasses with
side shields.
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Bearing Type ..........................................................Dual Metal Ball Bearing
INTRODUCTION
Your new lawnmower has been engineered and manufactured to McCulloch’s high standard of dependability,
ease of operation, and operator safety. Properly cared for, it will give you years of rugged, trouble free
performance. If you use your lawnmower properly and only for what it is intended, you will enjoy years of
safe, reliable service
Keep this manual safe for future reference.
Important: Servicing of a tool with double
Insulation requires extreme care and knowledge
of the system and should be performed only
by a qualied service technician. For service
we suggest you return the tool to your nearest
McCulloch Authorised Service Centre for repair.
When servicing, use only identical McCulloch’s
replacement parts.
WARNING
Carefully read through this entire
owner’manual. Pay close attention to the
general safety rules and rules for safe operation,
before using your new unit.
SPECIFICATIONS
MODEL NO .........................................................................M48A
Engine Speed ..................................................................... 3000 r.p.m
Fuel Tank Capacity .................................................................... 900ml
Oil Tank Capacity ..................................................................... 500ml
Air Cleaner Element ......................................................... Paper Cartridge
Air Cleaner Location ............................................................. Handle Bar
Cutting Width................................................................... 480cm (19”)
Blades ......................................................................... 4 Swing Back
Height Adjustment ................................................... 12 Position Single Lever
Cutting Heights ............................................................. 15mm to 55mm
Wheel Size (F/Rmm) ............................................................. 200/200mm
Tread ............................................................................... Rubber
Grass Catcher ................................................................... Solid Plastic
Under Deck Wash Port .................................................................. Yes
Weight (Incl. Catcher) ................................................................ 45.7kg
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DESCRIPTION
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1. Dash Panel for Key Start and
Engine Control Lever
2. High Intake Air Cleaner
3. Air Tube
4. Locking Knob
5. Starter Handle
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13
9
12
2
1
6
5
3
10
4
8
6. Fuel Filler Cap
7. Oil Filler Cap
8. Mufer Housing
9. Under Deck Wash Connector
10. Spark Plug
11. Cast Aluminium Ball Bearing Wheels
12. Above Deck Oil change Tap
13. Fuel Tap
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ASSEMBLY INSTRUCTIONS
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ASSEMBLY INSTRUCTIONS
Please refer to the following sections when preparing the mower
for it’s rst use
GRASS CATCHER
1. Position the two catcher halves as shown in (Figure 1A).
Ensure the catcher door is pushed down rmly onto the
catcher to lock in place.
Align the locating lugs marked 1 & 2 at the front of the catcher.
With the catcher base on the ground, push the top section on
each side of locator lug 1 until it clicks into place. (Figure 1B)
Repeat this process for locator lug 2
2. Continue working from the front and push each locator lug into
position from number 1 through 8 until completed. i.e. start
with locator lug number 1 then 2, 3, 4, 5, 6, 7, and 8. (Figure 1A)
3. WARNING: DO NOT HIT THE CATCHER WITH YOUR
HAND OR A MALLET. This will break the plastic. ALWAYS
START AT POSITION 1. Do not try to assemble the catcher
from any other starting point as this will make it difcult to
assemble the clips.
4. Before use, check that all the lugs are completely clipped. Test
the assembly by holding the top handle and pushing down on
the base of the catcher. (Figure 1C)
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3
1
Figure. 1A
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8
6
4
2
1. List of Components:
A. Lower Catcher
B. Upper Catcher
C. Mid Handle Assembly
D. Upper Handle Assembly
Figure. 1B
B
Figure. 1C
A
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PREPARING THE ENGINE
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Please read and understand the engine instructions prior to operating the lawnmower.
OIL - SAE30
CAUTION
DO NOT START your four stork engine before making sure that it has been lled with the right
amount of the corect grade of oil.
Four stroke (cycle) engines are shipped without
oil. Place the mower on a level position, unscrew
the ‘OIL FILL’ cap and slowly pour oil provided
into the sump. Fill to the full mark on the dipstick.
The capacity is approximately 500ml. To check
engine oil in. Remove cap and observe oil level on
dip stick.
NOTE There may be a small amount of oil
in the engine after draining. Fill using dip stick to
avoid over lling
Figure 3
CHANGING THE ENGINE OIL
FOUR STROKE ENGINES should be checked for
oil level every 8 hours running (or daily), and the
oil should be drained and replaced after every 50
hours of use.
See Engine Lubrication section for oil change
information.
Figure 4
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PREPARING THE ENGINE
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3. Remove the fuel tank cap.
5. Fill the fuel tank with unleaded petrol, allowing
room in tank for fuel expansion.
6. Replace the fuel tank cap.
7. Clean up any spilt fuel.
WARNING
Petrol vapour is highly ammable and explosive. Handle with extreme care. Store in an approved
container. Do not ll tank when engine is running or is still hot. Do not allow open ame, matches or
smoking nearby. Fill tank outdoors in a well-ventilated area. Wipe away any spills and move the mower
away from any petrol fumes before starting engine.
CAUTION
When lling the fuel tank, always leave an air space of about 5mm to allow for expansion of fuel
FUEL
USE ONLY CLEAN FRESH PETROL AT ALL TIMES,
preferably unleaded, with an octane rating of at least
91. Four stroke (cycle) engines use straight fuel.
FUEL FILLING
1. Position the mower on a level surface in a wellventilated area.
2. Clean around the fuel tank.
ENGINE
Regular attention to a few simple items will ensure long and trouble-free service from your mower.
Carry out the regular maintenance described in the manual, and check the engine mounting bolts
regularly to be sure they are tight.
3. Remove the fuel tank cap
4. Place a clean funnel in the fuel ller.
5. Fill the fuel tank with unleaded petrol, allowing
room in tank for fuel expansion.
6. Replace the fuel tank cap.
7. Clean up any spilt fuel.
RUNNING THE ENGINE
WARNING
Before making any adjustments to your mower make sure that the engine is turned off and that the blade
has STOPPED ROTATING. Always disconnect the spark plug wire and make sure it cannot accidentally
contact the spark plug before touching anything under the mower housing.
ENGINE CONTROL
This is mounted at the centre of the handle.
It operates the choke, for starting, and allows
you to set the governed speed of the engine
while cutting or to stop the engine.
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felt, then pull briskly.
• DO NOT pull the starter rope with
a jerk or release the rope when fully
extended. Only release the starter
handle when the rope is fully re-wound.
4. When engine has warmed up for a short time
move the engine control lever to the desired
speed position for cutting
RUNNING THE ENGINE
You will not need to change the control setting constantly while mowing because the governor holds the
selected speed, even under varying cutting loads. The positions for START, RUN, SLOW and STOP are marked.
STARTING THE ENGINE
Ensure that the engine has been prepared correctly and that the fuel tap is turned ON. We recommend
that you check the oil level before every mowing session.
WARNING
Never run the engine indoors or in poorly ventilated areas. Engine exhaust contains carbon monoxide,
an odourless and deadly gas. Keep hands, feet, hair and loose clothing away from moving parts.
COLD STARTING
1. Set the engine control to the START position
2. Turn the fuel tap to the “ON” position and wait
60 seconds.
3. MANUAL START
• Stand behind the mower. Hold the top the
mower stationary. Grasp the starter rope and
pull slowly until resistance is felt, then pull
briskly.
• DO NOT pull the starter rope with a jerk or
release the rope when fully extended. Only
release the starter handle when the rope is
fully re-wound.
4. When engine has warmed up for a short time
move the engine control lever to the desired
speed position for cutting
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HINTS FOR EASY STARTING
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IGNITION 1. Loose spark plug wire
2. Dirty spark plug electrodes
3. Incorrect spark plug gap
4. Incorrect spark plug type
OTHER
2. Incorrect adjustment of engine control
cable
3. Cutting blade obstructed
STOPPING
Move the engine control to STOP.
• Stand the mower on a paved drive or path
where the blade is clear of the grass. If you must
start on the lawn, move to an already cut area
and/or raise the cutting height. Do not start the
mower on a gravel surface.
HARD START CHECKLIST
Look for these faults
FUEL 1. Insufcient fuel in tank
2. Fuel tap shut off
3. Stale fuel
4. Water or dirt in fuel
5. Blocked air vent in fuel tank cap
CUTTING HEIGHT CONTROL LEVER
STARTING THE ENGINE
• Start a WARM engine with the control in the
START position.
• Keep the mower clean underneath
STOPPING
Move the engine control to STOP.
IGNITION 1. Loose spark plug wire
2. Dirty spark plug electrodes
3. Incorrect spark plug gap
4. Incorrect spark plug type
OTHER 1. choked air lter (dirt or oil)
2. Incorrect adjustment of engine
control cable
3. Cutting blade obstructed
Turn mower off before adjusting cutting height. The
single point cut height control adjusts all four wheels
simultaneously. To operate, steady the mower by
grasping the handle with one hand, pull the lever
outwards from the mower with the other hand, and
move it to the desired setting.
For heavy or very long grass it is recommended
setting the mower cut height to #4 or more to
avoid the possibility of clogging. If clogging becomes
persistent because of unfavourable conditions, try
walking slower, cutting a narrower strip or raising
the cutting height further.
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FITTING THE MULCHING PLUG TO THE MOWER (OPTIONAL)
1. Stop the engine.
2. Make sure the discharge chute and the underside of the mower are clean. If not, clean the mower.
3. Raise the ap with left hand, and using the hand-hold on the mulching plug, insert the mulching plug, with
the angled section to the mowers right, into the discharge chute. Make sure the back of the plug is sitting
on the rear axle, then lower the ap.
Fig. 8A
Fig. 8B
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BLADES
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Check the blade mounting bolts at frequent
intervals for proper tightness.
To check blades, fold top handle down and tilt
mower backward and view blades under deck from
the front. (see pic) do not place mower on its side!
Check the blade condition frequently, particularly if
the mower has hit a foreign object or is vibrating.
Sub-standard cutting and catching will result from a
neglected blade. Your Authorised Dealer can
replace blades as necessary, or if you prefer, supply
the parts for you to do yourself.
CAUTION
Always use genuine original equipment parts
to ensure safety and proper performance.
Substitute parts can be disappointing and
dangerous.
BLADE CHANGE
1. Disconnect the spark plug wire.
2. Adjust the mower to the high cut position.
3. Lift the rear ap and prop open to give full
access to the blades.
4. Remove the blades, blade retaining bolts, nuts
and washers and discard.
5. Fit the new blades, blade bolts, washers and
nuts in set sequence, refer drawing below (to
loosen rotate anti-clockwise, to tighten rotate
clockwise).
Blade bolt torque : 14.8-22.0 ft-lb (20-30 N•m)
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MAINTENANCE
CAUTION
Never tip mower sideways. To gain access to blades or cutting disc tilt backwards so spark plug is up.
CAUTION
Failure to properly service your mower will reduce it’s operating performance and could void
warranty. Service costs are not covered by warranty.
ENGINE LUBRICATION
Check engine oil before every mowing session or
every 8 hours or daily.
ENGINE MAINTENANCE SCHEDULE
First 5 Hours
Change engine oil - Oil SAE30. 500ml.
Every 25 Hours or Every Season Change engine
oil if operated under heavy load or in high ambient
temperature above 35 C. SAE30. 500ml.
Every 50 Hours or Every Season Change engine oil.
Use 500 ml of SAE30 oil.
Clean mower.
Mower service should be carried out by an
authorised McCulloch service agent.
STORAGE
If mower is to be stored for over 60 days, you will
need to drain the fuel, if full, to prevent gum from
forming in fuel system or on essential carburettor
parts.
Remove spark plug and pour about 10ml of engine
oil into cylinder, replace spark plug and turn engine
over (pull cord slowly).
SPARK PLUG
Use only genuine replacement spark plug type
5223761-01. For best results, replace the spark
plug every 100 hours of use.
1. Stop the engine and remove the spark plug wire.
2. Remove spark plug
3. Screw the replacement spark plug into the
engine and tighten to 25-30 N•m torque and
replace spark plug wire.
4. Spark plug gap. 0.6 — 0.7mm
CAUTION
Do not over-tighten the spark plug as engine
damage may occur
DECK CLEANING
Wipe deck with a damp cloth.
CAUTION
Do not hose engine. Water can damage
engine or contaminate the fuel system
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MAINTENANCE
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ABOVE DECK OIL CHANGE
1. Place 12mm (inside diameter) tube onto outlet of
above deck oil change tap. Fig. 11A
2. Push and turn tap to allow oil to ow. Fig 11B
3. Ensure oil is drained into a suitable container for
proper disposal.
Note To ensure full drainage of oil sump it may
be necessary to prop up the wheels on the
opposite side of mower so that the engine is
tilted towards the outlet.
UNDER DECK WASH CONNECTOR
1. Attach click on hose tting to the connector.
(Fig.11C)
2. Start mower and set engine speed control to FAST.
3. Turn hose on.
4. Allow approximately ONE MINUTE to clean the
underside of the deck.
5. Turn off hose and stop engine.
6. Disconnect hose from mower.
7. Allow mower to dry before storage.
Fig. 11A
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Fig. 11B
Fig. 11C
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MAINTENANCE
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MAINTENANCE
ENGINE AIR CLEANER
The engine air cleaner element must be serviced (cleaned) after 25 hours normal mowing.
TO REPLACE HIGH INTAKE PAPER AIR FILTER
1.
(Fig.12A)
2.
3.
4. Replace air snorkel and clip into place.
CAUTION
Do not allow dirt or dust to clog the air filter element.
CAUTION
Do not allow dirt or dust to clog the air lter element.
ENGINE AIR CLEANER
The engine air cleaner element must be serviced (cleaned) after 25 hours normal mowing.
TO REPLACE HIGH INTAKE PAPER AIR FILTER
1. To access lter element push down air snorkel release clip pull air snorkel away from air lter box.
(Fig.12A)
2. Remove old air lter element and replace with new. (Fig.12B)
3. Insert new lter into housing so that the end with the opening ts into the inner tube in the housing.
4. Replace air snorkel and clip into place.
Fig. 12A Fig. 12B
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MOWING TIPS
• The best time to mow your lawn is the late
afternoon. By this time the grass has had a chance
to dry out. Also the sensitive newly cut grass area
isn’t exposed to the direct sun.
• For healthy growth, grass should not be cut too
short. Using the lowest settings can result in
destruction of the crown of grass, allowing at
lying weeds to develop.
• Vary your cutting pattern from week to week.
One week mow your lawn from north to south,
the next week, mow your lawn from east to west.
This will help prevent matting and graining of the
grass.
• For best performance, always keep the mower
blade sharp. A blunt blade tends to tear, not cut,
the blades of grass.
• When cutting very long grass, a preliminary
cut on a high setting, followed by a lower cut
(preferably a day or so later), will minimise the
overall time required for the job.
• Do not try to cut too much off the grass at
one time. This can cause excessive loads to be
put on the engine and also affect the mulching
performance.
• Clean the mowing chamber frequently to
remove grass build-up. This will keep mowing
performance at its best, especially when mulching.
Avoid cutting your lawn when it is wet. Wet grass
tends to form clumps and interferes with the
mulching action of the mower.
• If you are not collecting the cut grass, mow
in a pattern that deposits the clippings on the
previously cut path. So, if your mower discharges
clippings on the left, the next cut should be to the
right of the previous one, and vice-versa.
• When cutting close to obstructions such as tree
trunks, and when mowing to the edge of a lawn
where there is no wheel support, use the left side
of the mower, giving a useful blade ‘overhang’ for
ready access to awkward areas.
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NOTES:
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NOTES:
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