Hayter Mowers Lawn Mower 496G User Manual

Harrier 48/56 Pro  
CODES  
496G & 566G  
OWNER’S HANDBOOK  
Original Version (EN)  
ISSUE: 20.12.10  
PART NUMBER: 111-3523 (B)  
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INTRODUCTION  
Thank you for purchasing a Hayter mower. The following pages are designed to help you  
gain safe and efficient service from your machine.  
Use of non standard parts or any arbitrary modifications carried out on this machine may  
relieve Hayter Limited of liability for any resulting damage or injury.  
IMPORTANT: This ‘Owners Handbook’ should be regarded as part of the mower as it  
gives essential information regarding mower safety, operation, maintenance and specifica-  
tions. Read and understand this handbook prior to operating your mower for the first time.  
Make sure you are familiar with all the controls and points of regular maintenance. If you  
have any doubts, consult your local Hayter authorised dealer who will be pleased to give  
you assistance.  
Hayter mowers are robustly constructed and designed for efficient economical perform-  
ance under normal mowing conditions. Correct operation and maintenance will ensure a  
long and satisfactory service life. Prior to despatch from our factory every effort is made  
to ensure that your mower is delivered in perfect condition.  
Throughout this handbook all references to left and right are as viewed from behind the  
handlebar, in the direction of forward travel.  
IMPORTANT: This mower is designed solely for use in a domestic grass cutting  
environment. Use in any other way is considered as contrary to the intended use. Compli-  
ance with and strict adherence to the conditions of operation, service and repair as speci-  
fied in this handbook also constitute essential elements of the intended use.  
This mower should be operated, serviced and repaired only by persons who are familiar  
with its particular characteristics and who are acquainted with the relevant safety proce-  
dures.  
This handbook is based on information available at the time of publication.  
HAYTER LIMITED reserve the right to amend product specifications without prior  
notification.  
The safety precautions listed in this handbook and all other generally recognised regula-  
tions on safety must be observed at all times.  
3
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SPECIFICATIONS / MAIN FEATURES  
Code  
Engine  
Engine type  
Engine / Cutterbar Speed  
Fuel type  
496  
566  
Briggs & Stratton  
Series 850  
2750 rpm  
Unleaded petrol  
1.1 litres  
SAE 30 engine oil  
0.6 litres  
480mm  
13 - 60mm  
1080 x 507 x 1485mm  
48.5 Kg  
Briggs & Stratton  
Series 850  
2750 rpm  
Unleaded petrol  
1.1 litres  
SAE 30 engine oil  
0.6 litres  
560mm  
13 - 60mm  
1080 x 585 x 1565mm  
51 Kg  
Fuel capacity  
Oil type  
Oil sump capacity  
Cutting width  
Cutting height  
Overall dimensions  
Weight  
10  
11  
9
1.  
2.  
3.  
Spark Plug Lead.  
Engine Cover.  
Air Cleaner.  
8
4.  
5.  
6.  
Fuel Filler Cap.  
Oil Filler Cap and Dipstick.  
Serial No. Label.  
12  
7.  
8.  
Handlebar Securing Knob.  
Engine Start-Grip.  
7
13  
9.  
Engine Stop Lever.  
Handlebar.  
Ground Drive Clutch Lever.  
Engine Speed Control.  
Grassbag Assembly.  
Rear Deflector.  
10.  
11.  
12.  
13.  
14.  
15.  
16.  
6
5
4
3
2
1
Height Of Cut Adjuster.  
Battery Cover.  
14  
15  
16  
4
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SAFETY PRECAUTIONS  
Safety Alert Symbol  
Preparation  
Operation  
Do not operate the engine in a confined space where  
exhaust fumes (carbon monoxide) can collect.  
This safety alert symbol indicates important safety  
messages. When you see this symbol be alert to the  
possibility of injury. Carefully read the following and  
inform others.  
While mowing, always wear substantial footwear and long  
trousers. Do not operate the equipment when barefoot or  
wearing sandals.  
Always pull the starter cord slowly until resistance is felt.  
Then pull the cord rapidly to avoid kickback and prevent  
hand or arm injury.  
Thoroughly inspect the area where the mower is to be  
used and remove all objects which may be thrown by the  
machine.  
Your mower is perfectly safe if used correctly. Failure  
to observe the following precautions may result in  
serious injury.  
Mow only in daylight or good artificial light.  
WARNING: Petrol is highly flammable:  
- store fuel in containers specifically designed for this  
purpose.  
Avoid using the machine on wet grass, where feasible.  
Always be sure of your footing on slopes.  
Training  
- refuel outdoors only and do not smoke while  
refuelling;  
- add fuel before starting the engine. Never remove the  
cap of the fuel tank or add petrol while the engine is  
running or when the engine is hot;  
- if petrol is spilled, do not attempt to start the engine  
but move the machine away from the area of spillage  
and avoid creating any source of ignition until the  
petrol vapours have dissipated;  
Before using the mower read the owners handbook  
carefully. Pay particular attention to the safety precautions.  
Ensure that you are familiar with the controls and the  
proper use of the equipment. Learn how to stop the mower  
quickly in an emergency.  
Walk, never run.  
Do not mow excessively steep slopes of more than 20O  
and mow across the face of slopes, never up and down.  
Exercise extreme caution when changing direction.  
Use extreme caution when reversing or pulling the  
mower towards you.  
Never allow children or people unfamiliar with these  
instructions to use the mower. Local regulations can  
restrict the age of the operator.  
- replace all fuel tank and container caps securely.  
Always replace worn or faulty parts with genuine Hayter  
parts.  
Never mow while people, especially children, or pets are  
nearby.  
Replace faulty silencers.  
This machine contains spring loaded assemblies which  
could cause a hazard when disassembled and  
reassembled. Maintenance should only be carried out by  
a Hayter authorised dealer.  
A damaged cutterblade or loose fixing bolt are major  
hazards. Before use, always visually inspect the cutting  
mechanism to ensure that it is in good condition. A  
damaged cutterblade must be replaced immediately with a  
genuine Hayter replacement part.  
Keep in mind that the user is responsible for accidents or  
hazards occurring to other people or their property.  
Safety Symbols  
Safety Alert - Be aware  
to the possibility of injury.  
Stop engine and remove  
spark plug lead before  
working on the mower.  
Carefully read the  
Owners Handbook be-  
fore using the machine.  
Keep bystanders at  
a safe distance from  
the mower.  
Danger of being hit  
by thrown objects.  
Danger of severing  
toes or fingers in  
cutting mechanism.  
5
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SAFETY PRECAUTIONS  
Never touch the exhaust/exhaust guard or cooling fins  
when the engine is hot.  
Never store the mower with petrol in the tank within an  
enclosed area where fumes may reach an open flame or  
spark.  
Operation cont  
If the machine has to be tilted for transportation when  
crossing surfaces other than grass, and when transporting  
the machine to and from the area to be mowed. Stop the  
blade (s) by releasing the engine stop lever, enure that the  
blade (s) have stopped before tilting the mower.  
Stop the engine and disconnect the spark plug lead:  
- Before clearing blockages or unclogging the dis-  
charge chute.  
- Before cleaning/checking or working on the ma-  
chine.  
- After striking a foreign object. Inspect the machine  
for damage and ensure necessary repairs are made  
before re-starting and operating.  
Allow the engine to cool before storing in any enclosure.  
To reduce the fire hazard, keep the engine and the  
surrounding deck area free of grass, leaves, or excessive  
grease.  
Never operate the machine with defective guards, or with  
out safety devices, for example deflectors and/or grass  
bag in place.  
Check the rear deflector and grassbag frequently for wear  
- If the machine starts to vibrate abnormally (check  
immediately).  
or deterioration.  
Do not change the engine governor settings or overspeed  
the engine.  
Replace worn or damaged parts for safety.  
Stop the engine:  
- Whenever you leave the mower.  
- Before refuelling.  
Start the engine carefully, with feet well away from the  
cutterblade and always disengage the rear roller drive  
clutch before starting the engine.  
If the fuel tank has to be drained, this should be done  
outdoors and when the engine is cool.  
- Reduce the throttle setting during engine shutdown.  
Wear strong work gloves when removing and reassem-  
bling the cutterblade.  
Do not tilt the mower when starting the engine.  
Maintenance & Storage  
Do not start the engine when standing in front of the  
discharge chute.  
Keep all nuts, bolts and screws tight to ensure that the  
equipment is in safe operating condition.  
Frequently check fuel lines and fittings for cracks or  
leaks and replace if necessary.  
Do not put hands or feet near or under rotating parts.  
Never pick up, carry the machine or lift the rear deflector  
Inspect the exhaust periodically and replace if worn or  
while the engine is running.  
leaking.  
Control Symbols  
Slow  
Fast  
STOP  
Engine Speed Control  
Engine Stop  
Height of Cut Adjustment  
6
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ASSEMBLING THE MOWER BEFORE FIRST USE  
Raise the rear deflector, lower the grassbag and hook in  
position. Lower the deflector to rest on the grassbag.  
in quantities that can be used within 30 days. Never mix  
Delivery Checklist  
oil with petrol. For added engine protection Briggs &  
Stratton recommend the use of their fuel additive which  
is available from an authorised Briggs & Stratton service  
dealer.  
Remove the mower from the packaging and check that  
the following items have been supplied correctly. If any  
items are missing contact, your local Hayter dealer.  
Prevent Engine Damage  
To prevent engine damage the engine is shipped  
without oil or petrol. The engine must be filled with  
the correct grade of oil and petrol before starting the  
engine. (Refer fig.4)  
1. Engine Handbook  
2. Grassbag  
3. Parts list/D of C  
4. Warranty Reg Card  
Fill to base of neck to allow for fuel expansion. Do not  
overfill the fuel tank. (Refer fig.6)  
To prevent accidents cut off the long ribbon attached to  
the grassbag and discard. (Refer fig.1)  
Oil Type  
Always use high quality detergent oil classified SAE 30  
oil. Never use additives with recommended oil.  
To prolong the life of your engine it is important that  
the oil is changed after the first 5 hours of use - Refer to  
‘Maintenance Schedule’.  
Handlebar  
Unscrew the handlebar securing knobs sufficiently to  
allow the handlebar to pivot. Hold the engine stop lever  
in towards the handlebar and unfold the handlebar to the  
operating position, before releasing.  
Tighten both handlebar knobs to secure in position.  
(Refer fig.2)  
Check Oil Level  
Clean around the oil filler cap before removing. With  
the mower on a level surface, unscrew and remove the  
oil filler - dipstick. Wipe oil from it with a clean cloth.  
Screw the oil filler - dipstick back in place, then unscrew  
and remove it to check the oil level. (Refer fig.5)  
The oil level is correct when it is at the full mark on  
the dipstick. DO NOT OVERFILL. (Refer fig.5)  
Take care to ensure that the control cables do not  
become snagged at the pivot point.  
Grassbag Assembly  
Before first use assemble the grassbag and frame. Slide  
the frame (1) into the grassbag (2), ensuring that the han-  
dle is above the grassbag as shown. Attach plastic clips  
(A), (B), (C) and (D) to the grassbag frame. (Refer fig.3)  
Fuel Type  
Always use clean, fresh unleaded petrol. Purchase fuel  
Fig. 5  
Fig. 6  
Fig. 1  
Fig. 2  
Fig. 3  
Fig. 4  
2
0.15  
Litres  
1
B
A
D
C
7
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OPERATING THE MOWER  
lever, apply downward pressure on the handlebar to raise  
the front wheels just above ground level and steer in the  
required direction.  
Controls  
Forward Travel  
Operate all control levers several times and ensure that  
the cables move freely. Check that the engine stop and  
ground drive clutch levers return freely to their rest  
position when released. (Refer fig.7)  
Hold the handlebar and operate the ground drive clutch  
lever to power the mower in a forward direction. (Refer  
fig.10)  
To prevent accidents do not raise the front of the  
mower excessively when making a turn. Never raise  
the rear of the mower when the engine is running.  
When the ground drive clutch lever is disengaged the  
mower may be pushed. This feature is useful when mow-  
ing in confined areas.  
IMPORTANT: To avoid damage to the cable the  
Engine Speed Control should only be operated whilst  
the engine is running.  
Stopping  
Release the ground drive clutch lever and release the  
engine stop lever.  
Ground speed may be adjusted by operating the engine  
speed control. Push forward to speed up and pull back to  
slow down.  
Starting  
Ensure the throttle control lever is in the ‘fast’ position  
before starting the machine. Stand behind the mower  
and hold the handlebar together with the engine stop  
lever with your left hand. With your right hand hold the  
engine start - grip and pull slowly until resistance is felt.  
Carefully return the start grip to the storage position  
when the engine starts. (Refer fig.8 and fig. 9)  
Emergency stop: Release both ground drive clutch lever  
and engine stop lever together. If the engine fails to  
stop, disconnect the spark plug lead. (Refer fig.12)  
Only operate the lever with the engine running to prevent  
damage.  
If the engine stop lever is released the engine will stop.  
(Ref fig. 11)  
Slopes  
To prevent engine damage do not use the mower on  
slopes greater than 20 degrees. (Refer fig.13)  
Reverse Travel  
If the engine does not start after 2 attempts - Refer to  
“Trouble Shooting”.  
The engine stop lever must be held firmly against the  
handlebar to start and keep the engine running. If the  
engine stop lever is released the engine will stop.  
Release the ground drive clutch lever. Hold and pull  
against the handlebar with both hands to reverse the  
mower.  
Turning  
To make a wide turn steer the mower with the handlebar  
in the direction required.  
To prevent damage never pull the engine start grip  
when the engine is running.  
To make a tight turn release the ground drive clutch  
Fig. 12  
Fig. 13  
Fig. 8  
Fig. 7  
Fig. 9  
Fig. 10  
Fig. 11  
20  
8
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OPERATING THE MOWER  
shake the grassbag vigorously to clean the airways. Good  
Height Of Cut  
Non Grassed Areas  
grass collection depends on good air flow through the  
grassbag. When collecting grass clippings it is important  
that the grassbag is emptied regularly to prevent block-  
ages and engine overloading. (Refer fig.16)  
To adjust the height of cut: Grip the lever and pull side-  
ways to disengage it from the locking notch, then push  
forwards to lower or pull backwards to raise the height  
of cut. Finally release the lever at the required position  
and ensure it locks firmly into one of the eight setting  
notches.  
When moving the mower across non-grassed areas, stop  
the engine and set the mower to the maximum height of  
cut to protect the cutting mechanism. (Refer fig.19 & 20)  
Without Grass Collection  
Remove the grassbag and operate the mower with the  
rear deflector in the closed position. (Refer fig.17)  
Always select a height of cut to suit operating conditions.  
Aim to prevent engine overloading and blockages by  
avoiding low cuts in long grass conditions. Be prepared  
to make two cuts when the grass is long. (Refer fig.14)  
Heavy Growth  
Areas of heavy growth should be mown without  
collecting the clippings. If collection is required, first  
mow the area without the grassbag at the maximum  
height of cut setting. Allow the grass clippings to dry  
out and then mow the area at the maximum height of cut  
setting with the grassbag fitted. Reduce the height of cut  
and mow the area again as necessary until the required  
finish is obtained.  
Before Mowing  
To prevent accidents, thoroughly inspect the area  
and remove all objects which when contacted by the  
mower cutterblade could become dangerous projec-  
tiles. Inspect the area for hidden obstructions which  
when contacted by the cutterblade could risk health  
and safety or result in damage to the mower. Remem-  
ber the location of these obstructions and ensure that  
you mow around them. (Refer fig.15)  
To prevent damage to your lawn do not remove more  
than one third of grass height in one cut. (Refer fig.18)  
Friction Disc  
Grassbag  
Raise the rear deflector and lift the grassbag and lower  
the rear deflector to rest against the rear of the mower.  
The cutterblade is driven by the engine via a friction  
disc to help prevent damage occurring to the engine  
crankshaft and cutting mechanism when a hidden  
obstruction or overload is encountered. (Refer fig.19)  
To empty the grassbag, pour out the grass clippings and  
Fig. 16  
Fig. 17  
Fig. 18  
Fig. 14  
Fig. 15  
Fig. 19  
Fig. 20  
+
-
9
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MAINTENANCE SCHEDULE  
- Sharpen the cutterblade.  
Maintenance Schedule  
Follow the hourly or calendar intervals, whichever occurs  
first. More frequent service will be required if working for  
prolonged periods under dusty, dry conditions, or when  
airborne debris is present or after extensive operation  
cutting tall, dry grass.  
50 Hours Or Every Season  
Change the engine oil.  
100 Hours Or Every Season  
- Clean the engine cooling system. Clean more often  
under dusty conditions or when airborne debris is  
present or after prolonged operation whilst cutting tall,  
dry grass.  
First 5 Hours  
- After the very first five hours change the engine oil  
- Adjust the autodrive clutch cable  
- Replace the spark plug.  
Daily  
- Check the oil level  
Engine Detail (Refer fig.21)  
- Remove grass debris from around the engine, exhaust/  
exhaust guard, air ways in the top cowl, underside of  
the deck housing and from the grassbag and check for  
signs of damage.  
- Check the condition of guards and safety devices.  
- Check condition of cutterblade.  
25 Hours Or Every Season  
- Change the engine oil if continuously operating under  
heavy load or high ambient temperature.  
- Service the air cleaner.  
- Lubricate wheels, pivot points and linkages and grease  
the inner control cables at point of entry and exit from  
their outer casing.  
- Check the clutch cable adjustment.  
Fig. 21  
1. Spark Plug / Lead  
2. Exhaust  
3. Exhaust Guard  
4. Cover  
5
6
4
7
3
5. Start Grip  
6. Oil fill/Dipstick  
7. Fuel Cap  
2
1
8. Air Cleaner  
9. Carburettor  
8
9
10  
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MOWER MAINTENANCE  
Water can contaminate the fuel. Always clean with a  
brush or compressed air. (Refer fig.26)  
Carburettor Adjustments  
Air Cleaner Service  
Should only be made by an authorised Briggs & Stratton  
dealer. Under no circumstances should the engine be  
adjusted to run at a speed in excess of that shown on the  
Declaration of Conformity.  
To service the air cleaner, loosen the knob (1) and re-  
move cover (2). Carefully remove the foam filter (3) and  
cartridge (4) together. Separate the foam filter (3) from  
the cartridge (4). (Refer fig.23)  
Grass and debris may clog the engine’s air cooling  
system especially after prolonged operation while cutting  
tall, dry grass. The internal cooling fins and surfaces  
may require cleaning to prevent overheating and engine  
damage. We recommended that this service be carried  
out by an authorised Hayter Service dealer.  
If very dirty, replace.  
Oil Service  
Check the oil level daily before starting the engine and  
ensure that the correct oil level is maintained. Refer to-  
‘Before Starting the Mower’ for oil checking and filling  
instructions.  
- Do not use petroleum solvents.  
- Do not use pressurised air.  
- Do not oil the cartridge.  
Grassbag  
Remove grass debris from the grassbag immediately  
after use and check its condition for signs of damage.  
To prevent accidents replace a damaged grassbag  
immediately. (Refer fig.27)  
Change the engine oil after the first 5 hours of operation  
and thereafter according to the ‘Maintenance Schedule’:-  
Spark Plug Service  
Use only Briggs & Stratton (Part number 19368) spark  
tester (1) to check for a spark as shown in the diagram.  
(Refer fig.24)  
1. Drain fuel by running the engine until the fuel tank is  
empty.  
2. Remove the spark plug lead.  
3. Allow the engine to cool.  
Replace the spark plug every 100 hours or every season,  
whichever occurs first. A spark plug wrench is available  
from any authorised Briggs & Stratton service dealer.  
Deck Housing  
Remove grass debris from the top and underside of the  
deck housing immediately after use. (Refer fig.28)  
4. Drain the oil while the engine is warm (not hot)  
5. Tip the mower over on to its right hand side thus  
ensuring that the air cleaner is kept uppermost to  
prevent engine damage.  
6. Remove the oil filler dipstick and drain the oil into a  
suitable container.  
7. Refill with new oil of the recommended SAE viscos-  
ity grade. (Refer to-‘Before Starting the Mower’)  
(Refer fig.22)  
Check the spark plug gap with a feeler gauge and set at  
0.50mm. (Refer fig.25)  
Fertilisers and top dressings are particularly corrosive.  
Thoroughly clean the mower deck immediately after  
use on treated grass and store well away from corrosive  
materials.  
Keeping Engine Clean  
Remove all grass and debris from the engine including  
the exhaust/exhaust guard, the air ways in the top cowl  
and the surrounding deck areas on a daily basis after  
use. Never spray the engine with water during cleaning.  
Fig. 24  
Fig. 25  
Fig. 26  
Fig. 23  
Fig. 22  
Fig. 27  
Fig. 28  
1
2
3
4
1
11  
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MOWER MAINTENANCE  
arrangement should be checked regularly for signs of  
wear or damage. Ensure that the cutterblade is not bent  
or cracked.  
Securing Nuts & Bolts  
Regularly check that all securing nuts and bolts are tight.  
Replace missing or damaged items immediately.  
Lubrication  
Lubricate the wheels, pivot points and linkages with  
engine oil every 25 operating hours.  
Apply a good quality medium grease to the inner control  
cables at the point of entry and exit from their outer cas-  
ing.  
A damaged cutterblade that is out of balance will vibrate  
excessively and may break. DO NOT use an unbalanced  
cutterblade.  
Clutch Cable Adjustment  
At any time the operator feels that the machine is loosing  
drive:  
1.Stop the engine.  
Cutterblade Removal  
Regularly check that the bolt securing the cutterblade is  
tightened to the specified torque of 54Nm.  
Drain the fuel by running the engine until the fuel tank  
is empty and the engine stops. Remove the spark plug  
lead and allow the engine to cool. Turn the mower on its  
right hand side and ensure that the air cleaner side of the  
engine is uppermost. (Refer fig.33)  
2.Pull the machine backwards at the same time  
progressively engage the clutch lever until the rear  
rollers lock, at this point the clutch lever should be  
60mm from the handlebar.  
Replace the cutterblade every 2 years of sooner if  
excessively worn or damaged.  
To prevent injury it is wise to seek assistance when  
turning the mower on its side.  
3.If the distance between the clutch lever and handlebar  
is less than 60mm regulate the engagement position  
with the black plastic cable adjuster. To regain the  
60mm distance (Refer fig.29 & 30)  
Firmly grip the end of the cutterblade with a gloved hand  
and remove the bolt, spring washer and distance piece  
securing the cutterblade with a 9/16” A/F spanner. (Refer  
fig.34)  
Cutterblade Assembly  
Assemble the cutterblade with the turned up edges facing  
towards the engine. Secure the cutterblade using the bolt  
(1), spring washer (2), and distance piece (3). (Refer  
fig.34)  
4.Note this is a temporary adjustment and at the nearest  
opportunity a service should be carried out to ensure  
the spring on the clutch cable attached to the gearbox  
clutch is set correctly. This adjustment should be done  
using the metal adjuster at the control with the plastic  
adjuster reset fully wound in. When the spring is set  
tighten the inner lock nut to secure position. (Refer  
figs.31 & 32)  
To prevent accidents never work on the cutterblade  
unless the spark plug lead has been removed. The  
cutterblade has sharp edges. ALWAYS wear strong  
gloves to protect your hands when working on the  
cutterblade. DO NOT rotate tools towards the cutting  
edges to avoid the risk of injury should the tool slip.  
ALWAYS use genuine Hayter replacement parts.  
The condition of the cutterblade and its mounting  
Fig. 29  
Fig. 30  
Fig. 31  
Fig. 32  
Fig. 33  
Fig. 34  
60mm  
13mm  
Clutch lever  
fully engaged  
extension  
3
Tighten the inner  
nut when the cable  
spring is set.  
2
1
1
Metal  
adjuster  
Clutch spring  
12  
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MOWER MAINTENANCE  
with Briggs & Stratton fuel additive or drained of fuel to  
Cutterblade Sharpening  
prevent gum from forming in the fuel system or on essen-  
tial carburettor parts. To ensure your mower is maintained  
in good working order it is important that the following  
procedure is adopted. Refer to the Maintenance section  
as necessary.  
A slightly worn cutterblade may be re-sharpened. Both  
blade edges must be sharpened equally to ensure balance.  
Sharpen the cutterblade every 25 mowing hours or more  
frequently if conditions require. Remove the cutterblade  
from the mower and clean using a brush and water. In-  
spect the cutterblade for signs of damage.  
- Drain fuel from the engine by operating the engine until  
it stops.  
- Disconnect the spark plug lead.  
Sharpen both cutting edges with a flat file to restore per-  
formance. (Refer fig.35)  
- Change the engine oil.  
Ensure that the cutterblade is balanced. Use a screw driv-  
er with a round shaft to support the cutterblade through  
its centre hole. Hold the cutterblade horizontal and then  
release. A balanced cutterblade will remain horizontal.  
(Refer fig.36)  
- Remove the engine spark plug and pour 15ml of engine  
oil into the engine cylinder and replace the spark plug.  
Do not exceed the stated volume of oil as engine damage  
may occur on re-starting. Do not replace the spark plug  
lead. Slowly pull the engine start - grip once to crank the  
engine. This will distribute the oil and help prevent engine  
corrosion.  
- Clean grass and debris from the engine cylinder, cylinder  
head cooling fins, under top cowl, around and behind ex-  
haust/exhaust guard and ensure that the grassbag is clean.  
- Lubricate the mower and treat metal parts with a water  
repellent anti-corrosion product.  
If the cutterblade is not balanced the heavy end will  
rotate downwards. Sharpen the heavy end until the  
cutterblade is correctly balanced. (Refer fig.37)  
Storage  
To store the handlebar unscrew the 2 small securing  
knobs sufficiently to allow it to be pivoted forwards to  
rest against the mower. Take care to ensure that the con-  
trol cables do not become snagged at the pivot point and  
depress the engine stop lever to prevent it being damaged  
through contact with the engine. (Refer fig.38)  
Engines stored in excess of 30 days need to be protected  
- Cover the mower with a protective sheet and store it in a  
dry, ventilated area.  
Fig. 38  
Fig. 35  
Fig. 36  
Fig. 37  
30-45  
13  
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LAWN CARE CALENDAR  
To be used as a guide only  
January  
June  
October  
Rake out the thatch from the turf and spike the lawn to  
assist in drainage. Brush in peat and sharp sand.  
There is very little work to do this month apart from  
brushing away leaves. Keep off the grass if frozen or  
waterlogged.  
Summer mowing should now be under way. It should be  
necessary to mow the lawn twice a week. Raking before  
mowing is important this month as the combined action  
keeps runners of clover under control. Water the grass if  
necessary, and remember to soak thoroughly.  
November  
Use a stiff broom to disperse worm casts before mowing.  
Keep turf free from leaves.  
February  
Rake the grass thoroughly. Spike the lawn to aerate and  
stimulate soil organisms and root growth and apply lawn  
sand if necessary.  
July  
Treat the grass with the second application of fertiliser  
or weed killer/fertiliser. Water when necessary and rake  
occasionally. As a general rule the grass clippings should  
be removed each time you mow. If weather conditions  
are dry and hot and the grass is weed free, leave the  
clippings on the lawn to help maintain ground moisture.  
December  
Apart from brushing away leaves, December is a slack  
end of a busy year. Keep off the lawn if it is very wet or  
frozen.  
March  
The yearly lawn work programme really starts this  
month. As soon as the ground conditions are suitable,  
the first cut can be made. The first cut should merely  
“top” the grass as close cutting at this stage could result  
in severe yellowing or browning. Two cuts are generally  
sufficient this month.  
Lawn Stripes  
The way to achieve a neat striped effect is for the lawn  
being cut in parallel stripes, alternate stripes being mown  
in opposite directions. A much more important routine is  
to cut at right angles to the line of the previous mowing.  
If the work has been carried in a north-south line, then  
the next cutting should be in an east-west direction. The  
cross-cutting keeps down the coarse weed grasses.  
August  
Keep mowing regularly and watering as necessary. Fill  
any cracks caused by drought with a mixture of sharp  
sand and soil. In dry weather conditions leave the grass  
longer to help retain ground moisture.  
April  
Mow often enough to stop grass growing away. Dig out  
patches of coarse grass or resistant weed. Re-seed bare  
patches.  
September  
Raise the height of cut to allow the grass to thicken and  
protect the roots from the winter frost and snow.  
To prevent grass damage do not remove more than  
one third of the grass height in one cut.  
May  
Keep mowing increasing the frequency as required.  
Treat with selective weed killers or combined weed/feed  
preparations if you did not feed the lawn in April.  
14  
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TROUBLE SHOOTING  
PROBLEM  
CAUSES  
CORRECTIVE ACTION  
PROBLEM  
CAUSES  
CORRECTIVE ACTION  
1. Engine stop lever released  
1. Operate engine/blade stop  
lever  
2. Check oil level  
3. Remove obstruction  
Discharge chute blocks 1. Grass is wet  
1. Mow dry grass  
2. Cut height is too low  
3. Grassbag full  
4. Airflow through the grassbag  
is restricted  
2. Increase cut height  
3. Empty grassbag  
4. Clean the grassbag  
Engine will not turn  
over  
2. Incorrect oil level  
3. Obstruction under deck  
1. Excess oil  
2. Air cleaner cartridge oil  
soaked or blocked  
1. Check oil level  
2. Service air cleaner  
Mower is hard to push 1. Cut height too low  
1. Increase cut height  
2. Inspect and replace as neces-  
sary  
Engine smokes  
2. Wheels/roller damaged  
1. Fuel starvation  
2. Fuel cap vent blocked  
1. Fill fuel tank  
2. Clean fuel cap vent  
Engine runs then stops  
Mower will not self  
propel  
1. Clutch out of adjustment  
2. Drive belt damaged  
1. Adjust clutch cable  
2. Replace drive belt  
1. Engine under load  
2. Incorrect/contaminated fuel  
1. Raise height of cut  
2. Drain tank and fill with correct  
fuel  
Poor grass collection  
1. Airflow through the grassbag  
is restricted  
2. Discharge chute blocked  
3. Wet grass  
1. Clean the grassbag  
2. Remove blockage  
3. Mow in dryer conditions  
4. Empty grassbag  
3. Spark plug lead disconnected 3. Connect spark plug lead  
4. Engine brake not released  
5. Faulty spark plug  
Engine will not start  
4. Operate engine brake lever  
5. Clean and adjust the gap or  
replace  
4. Grassbag full  
Cutterblade drive will 1. Engine stop lever not fully  
not engage/disengage forward  
1. Push fully forward disengage  
6. Wiring fault  
6. Check wiring  
1. Spark plug lead becoming  
disconnected in use  
1. Connect spark plug lead  
2. Faulty spark plug  
3. Air cleaner blocked  
4. Incorrect/contaminated fuel  
2. Clean and adjust gap or replace  
3. Service air cleaner  
4. Drain tank and fill with correct  
fuel  
Engine runs rough  
1. Mounting bolt loose  
1. Tighten bolts  
Engine vibrates exces- 2. Cutterblade bolt loose  
2. Tighten bolt  
sively  
3. Cutterblade out of balance  
4. Bent Crankshaft  
3. Balance cutterblade  
4. Consult your dealer  
1. Undulating ground conditions 1. Change direction of travel  
2. Cutterblade worn  
3. Cutterblade out of balance  
4. Wheels/roller damaged  
2. Sharpen cutterblade  
3. Balance the cutterblade  
4. Insect & replace as necessary  
Uneven cut  
15  
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WARRANTY  
NOTES  
Hayter Limited warrants to the original user/purchaser that this unit shall be free from  
defects in material and workmanship under normal use and service for a period of one  
year from the date of purchase. The manufacturers of the engine furnish their own  
warranty and services are provided through their authorised network (Refer to "Engine  
Warranty Statement"). To qualify for the full benefit of the warranty, the Warranty  
Registration Card must be returned to Hayter Limited within 14 days of purchase. If  
the selling dealer has not returned the Warranty Registration Card which is attached to  
the rear of the Owners Handbook please complete and return. Subject to the conditions  
and exclusions noted in this limited warranty, we shall at our option, repair or replace  
any warranted part during the applicable period. If you are in doubt or experience any  
difficulty, please consult a Hayter Authorised Service Dealer for clarification.  
A 90 day warranty period applies to those items which are subject to normal wear and  
tear e.g. wheels, cutterbars, cables, grassbags and other consumable wearing parts.  
All machines which are fitted with a genuine Hayter Friction Disc or Crankshaft  
Support Bearing as original equipment before use, are covered by a Lifetime  
Warranty against the engine crankshaft bending. Note: friction washers, Blade Brake  
Clutch (B.B.C.) units and other such devices are not applicable. Only machines fitted  
with a genuine Hayter friction disc or crankshaft support bearing, which are used in  
accordance with the recommended operating and maintenance procedures, are covered.  
This warranty does not apply to any unit that has been tampered with, altered, misused,  
abused or used for hire, and will become invalid if non genuine Hayter parts are fitted.  
This warranty does not cover for minor mechanical adjustments unless they are due to  
defective material or workmanship. Consult the Owner's Handbook or a Hayter  
Authorised Service Dealer for assistance when making these adjustments.  
To make a warranty claim, return the unit to a Hayter Authorised Service Dealer along  
with proof of purchase stating the machine serial number and date of purchase. Subject  
to the conditions and exclusions in this limited warranty, the authorised dealer will, at  
our option, repair or replace any warranted part within the duration of the warranty  
period.  
This limited warranty gives you specific legal rights and is in addition to any statutory  
rights to which you may be entitled and your statutory rights are not affected by this  
warranty. If you need additional information concerning this written warranty, or  
assistance in obtaining services, please write to : HAYTER LIMITED, Service  
Department, Spellbrook, Bishop's Stortford, Hertfordshire CM23 4BU  
UK ONLY: Details of your local Hayter authorised dealer are contained in Yellow  
16  
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NOTES  
NOTES  
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CUSTOMER INFORMATION  
SERVICE RECORD  
CODE  
SERIAL NO.  
1st Year (12 months)  
1st Year (12 months)  
Owner’s Name:  
Serial Number:  
We certify that this service has been  
carried out by an Authorised Hayter  
Service Dealer  
Date:  
Date:  
Engine Type:-  
Date of Sale:-  
Engine:-  
Your Local Dealer:-  
Note for dealer: Please retain this voucher for your records.  
2nd Year (24 months)  
2nd Year (24 months)  
Owner’s Name:  
Serial Number:  
We certify that this service has been  
carried out by an Authorised Hayter  
Service Dealer  
Date:  
Date:  
Note for dealer: Please retain this voucher for your records.  
Hayter Limited, Spellbrook, Bishop’s Stortford, Herts, CM23 4BU, England  
20  
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