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POWERTRIM
Code 407F
OWNER’S HANDBOOK
407F 310000001
Issue 10/2009
P .ON LAIRESEDOC ART NO: 111-3445 (Rev. A)
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TABLE OF CONTENTS
11
14
19
21
23
3
4
8
LIMITED WARRANTY
OPERATOR SAFETY
ASSEMBLY
OPERATION
MAINTENANCE
TROUBLESHOOTING
SPECIFICATIONS
REPAIR PARTS
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LIMITED WARRANTY
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 three years from the
date of purchase. The manufacturers of the engine and battery pack system (where applicable)
furnish their own warranty and services are provided through their authorised network (Refer to
“Engine/Battery Pack Warranty Statement”). To qualify for the full benefit of the warranty, the warranty registration card must be returned within 60 days of purchase. 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..
To qualify for the extended warranty (second and third year) of the three year limited warranty, the
machine must have annual services carried out by an Authorised Hayter Service Dealer. These
chargeable services should be carried out within 12 and 24 months of the date of purchase.
Excluded from the extended warranty period are those items which are subject to normal wear
and tear e.g. tyres, wheels, cutterbars, cables, batteries and other consumable wearing parts.
All consumer machines which are fitted with a genuine Hayter friction disc as original equipment,
before use, are covered by a Lifetime Warranty against the engine crankshaft bending. Note:
friction washers, blade brake units and other such devices are not applicable. Only machines
fitted with a genuine Hayter friction disc, 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 minor mechanical adjustments unless they are due to defective materials or workmanship. Consult the Owner’s Handbook or a Hayter Authorised Service Dealer for assistance when
making these adjustments.
A warranty period of 90 days applies to machines used for commercial purposes.
To make a warranty claim, return the unit to a Hayter authorised dealer along with proof of purchase stating the machine serial number and date of purchase. The service receipt(s) or this
Owner’s Handbook with the 1st/2nd year service boxes fully completed, must be produced as
proof of entitlement to the extended warranty period. 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 warr
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
anty. If you need
1st Year
Service
Record
Date . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . .
Signed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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2nd Year
Service
Record
Date . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . .
Signed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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OPERATOR SAFETY
OWNER’S INFORMATION
Know your product: If you understand the
unit and how the unit operates, you will get
the best performance. As you read this manual, compare the illustrations to the unit. Learn
the location and the function of the controls.
It is important that you read and understand
these original instructions thoroughly before
attempting to start or operate this equipment.
WARNING: Look for this symbol to indicate important safety precautions. This
symbol indicates: “Attention! Become
Alert! Your Safety Is At Risk.”
Responsibility Of The Owner
WARNING: This cutting machine
is capable of throwing objects.
Failure to observe the following
safety instructions could result in serious
injury to the operator or bystanders.
The responsibility of the owner is
to follow the instructions below.
SAFETY PRECAUTIONS
I. General Operation
1. Read, understand, and follow all instructions on the machine and in the manual(s). Be thoroughly familiar with the
controls and the proper use of the machine before starting.
2. Familiarize yourself with all of the safety
and operating decals on this equipment
and on any of its attachments or accessories.
3. Do not put hands or feet near or under
rotating parts.
4. Only allow responsible individuals, who
are familiar with the instructions, to operate the machine.
5. Thoroughly inspect the area where the
machine is to be used and remove all
foreign objects. Your equipment can
propel small objects at high speed causing personal injury or property damage.
Stay away from breakable objects, such
as house windows, automobiles, greenhouses, etc.
6. Keep the area of operation clear of all
persons, particularly small children, and
pets.
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7. Wear appropriate clothing such as a
long−sleeved shirt or jacket. Also wear
long trousers. Do not wear shorts.
8. Do not wear loose clothing or jewelry.
They can be caught in moving parts.
9. Always wear safety goggles or safety
glasses with side shields when operating
the machine to protect your eyes from
foreign objects which can be thrown
from the unit.
10. Always wear work gloves and sturdy
footwear. Wear footwear that will improve footing on slippery surfaces. Do
not operate product when barefoot or
wearing open sandals. Leather work
shoes or short boots work well for most
people. These will protect the operator’s
ankles and shins from small sticks, splinters, and other debris.
11. It is advisable to wear protective headgear to prevent the possibility of being
struck by small flying particles, or being
struck by low hanging branches, twigs,
or other objects which may be unnoticed
by the operator.
12. Do not operate the machine without
proper guards or other safety protective
devices in place.
13. Use this
pose only.
. See manufacturer’s instructions for prop-
14
er operation and installation of accessories. Only use accessories approved by
the manufacturer.
15. Operate only in daylight or good artificial
light.
16. Do not operate product when fatigued or
under the influence of alcohol, drugs or
other medication which can cause
drowsiness or affect your ability to operate this machine safely.
17. Never operate machine in wet grass. Always be sure of your footing; keep a firm
hold on the handle and walk; never run.
18. Before each use, inspect the throttle
control lever and cable. Make sure that
the cable is free and that the lever is not
damaged. Also check the cable linkage
running to the carburetor for kinks, loose
fittings, and obstructions. Verify that the
control bail is working properly.
19. Stop the rotating trimmer head when
crossing gravel drives, walks, or roads.
Wait for the cutting lines to stop rotating.
20. Watch for traffic when operating near, or
when crossing roads.
4
equipment for its intended pur-
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OPERATOR SAFETY
21. Stop the engine whenever you leave the
equipment, before cleaning repairing or
inspecting the unit, be sure the trimmer
head and all moving parts have stopped.
Let the engine cool, disconnect the
spark plug wire and move it away from
the spark plug.
22. If the equipment should start to vibrate
abnormally, stop the engine, disconnect
the spark plug wire and prevent it from
touching the spark plug. Check immediately for the cause. Vibration is generally
a warning of trouble.
23. After striking a foreign object, stop the
engine. Remove the wire from the spark
plug. Inspect the machine for damage. If
damaged, repair before starting and operating the machine.
24. Never leave the machine unattended
when the engine is running. Remove
the wire from the spark plug.
25. Regularly inspect the machine. Make
sure parts are not bent, damaged or
loose.
26. Allow muffler and engine areas to cool
before touching. Never pick up or carry
the trimmer while the engine is running.
27. Prolonged exposure to noise and vibration
from petrol engine powered equipment
should be avoided. Take intermittent
breaks and/or wear ear protection from
engine noise as well as heavy work
gloves to reduce vibration in the hands.
II. Slope Operation
Slopes are a major factor related to slip and
fall accidents which can result in severe injury. All slopes require extra caution. If you feel
uneasy on a slope, do not trim it.
Do trim across the face of slopes; never up
and down. Do not trim excessively steep
slopes (maximum 15 degrees) or areas
where the ground is very rough. Exercise extreme caution when changing direction on
slopes.
Do remove objects such as rocks, tree limbs,
etc.
Do watch for holes, ruts, or bumps. Tall grass
can hide obstacles.
Do not trim near drop
bankments. The operator could lose footing
or balance.
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−offs, ditches, or em-
Do not trim on wet grass. Reduced footing
could cause slipping.
III. Children
Tragic accidents can occur if the operator is
not alert to the presence of children. Children
are often attracted to the machine and the
trimming activity. Never assume that children
will remain where you last saw them.
1. Keep children out of the trimming area
and under the watchful care of a responsible adult.
2. Be alert and turn machine off if children
enter the area.
3. Before and while moving backwards,
look behind and down for small children.
4. Never allow children to operate the machine.
5. Use extra care when approaching blind
corners, shrubs, trees, or other objects
that may obscure vision.
IV. Service
1. Use extra care in handling petrol and
other fuels. They are flammable and vapors are explosive.
a. Use only an approved container.
b. Never remove gas cap or add fuel
with the engine running. Allow engine to cool before refueling. Do not
smoke.
c. Fill fuel tank outdoors with extreme
care. Never fill fuel tank indoors or
near appliances with pilot lights,
heaters, or other ignition sources.
Replace fuel tank cap securely. If
fuel is spilled, do not start the
engine but move product and fuel
container from area. Clean up
spilled fuel and allow to evaporate.
d. Never store the machine or fuel
container inside where there is an
open flame (such as a water
hea
ter), or other ignition source.
e. If the fuel tank has to be drained,
this should be done outdoors. The
drained fuel should be stored in a
container specifically designed for
fuel storage or it should be dis-
5
posed of carefully.
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OPERATOR SAFETY
2. Never run the engine indoors or inside a
closed area. The exhaust fumes are
dangerous, containing CARBON MONOXIDE, an ODORLESS and DEADLY
gas.
3. Never make adjustments or repairs with
the engine running. Disconnect the
spark plug wire, and keep the wire away
from the plug to prevent accidental starting. Always wear eye protection when
you make adjustments or repairs.
4. Check the trimmer head and engine
mounting bolts at frequent intervals for
proper tightness.
5. Keep all nuts and bolts tight and keep
equipment in good condition. Check
mounting hardware on trimmer head every time you change trimmer line and
prior to each use.
6. Never tamper with safety devices.
Check their proper operation regularly.
7. When servicing or repairing the machine, do not tip the machine over or up
unless specifically instructed to do so in
this Manual. Service and repair procedures can be done with the machine in
an upright position. Some procedures
will be easier if the machine is lifted on a
raised platform or working surface.
8. To reduce fire hazard, keep machine
free of grass, leaves, or other debris
build−up. Clean up oil or fuel spillage.
Allow machine to cool before storing.
9. Stop and inspect the equipment if you
strike an object. Repair, if necessary, before restarting.
10. Always disconnect spark plug wire before cleaning, repairing, or adjusting.
11. Do not change the engine governor setting or over−speed the engine.
12. Clean and replace safety and instruction
decals as necessary.
13. To guard against engine over−heating,
always have engine debris filter
mounted and clean.
14. Inspect trimmer before storage. When
not in use, disconnect spark plug lead
and store product indoors in a dry place
locked or otherwise inaccessible to children.
15. Use only original equipment or authorized replacement parts.
16. Never replace the cutting lines with metal parts.
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OPERATOR SAFETY
INTERNATIONAL PICTORIALS
IMPORTANT: The following pictorials are located on your unit or on literature supplied
with the product. Before you operate the unit, learn and understand the purpose for
each pictorial.
1 2
5
Safety Warning Pictorials
1 WARNING
2 IMPORTANT: Read Owner’s Manual
Before Operating This Machine.
3 WARNING: Thrown Objects. Keep
Bystanders Away. Read User
Instructions Before Operating This
Machine.
4 Do Not Trim Up And Down Slopes. Trim
Across Slopes.
1
6 7
2
3
4
8
5 WARNING: Rotating Parts. Stop Engine.
Disconnect Spark Plug Wire Before
Making Adjustments.
6 WARNING: Wear Eye Protection
7 DANGER: Disconnect Spark Plug Wire
Before Servicing Unit.
8 Direction of Rotating Line.
3
4
5
6
Control And Operating Pictorials
1 Slow
2 Fast
3 Engine Stop
4 Engine Stop
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5 Oil
6 Fuel
7 Engage
8 Disengage
7
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ASSEMBLY
CONTENTS OF LITERATURE PACK
1 - Operator’s Manual
1 - Engine Manual
1 - Document of Conformity
1 - Warranty Card
1 - Safety Glasses
1 - Trimmer Line (2 Sets)
1 - Bag (4 Screws)
WARNING: Always wear safety
glasses or eye shields while assembling the machine.
TOOLS REQUIRED
1 − Knife to cut carton.
1 − Phillips Screwdriver.
Figure 1 shows the machine completely assembled and positioned in the carton for shipment.
References to the right or left hand side of the
machine are from the viewpoint of the operator’s position behind the unit.
REMOVE THE TRIMMER
FROM CARTON
1. Remove the parts bag and any loose parts
from carton.
2. Remove the packing material positioned
around the unit.
3. Cut down all four corners of the carton and
lay the side panels flat.
4. Pull the trimmer out of the carton and off
the base pad.
5. Remove packing material from around the
trimmer head.
6. Remove protective plastic from front of
frame.
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Figure 1
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ASSEMBLY
RAISE THE HANDLE
1. Hold the handle with one hand and loosen both handle adjustment knobs until the ratchet
teeth are disengaged. Do not remove the handle adjustment knobs. See Figure 2.
2. Raise the handle to the
operating position.
3. Stand in the operator’s
position behind the machine. Put the handle in
a comfortable position.
Make sure both sides of
the handle are level.
NOTE: Make sure the
cables are not caught
between the upper and
lower handle.
4. Tighten the handle adjustment knobs. Make
sure the handle pivots
are locked in place.
NOTE: The handlebar
height is adjustable.
See “How To Adjust
The Height Of The Handlebar” in the Maintenance section.
5. To attach the recoil start handle to the rope guide, twist the rope through
the rope guide mounted on the right side of the handlebar.
Recoil Start
Handle
Handle Adjustment
Handle
Pivot
Knob
Rope
Guide
Handle
Figure 2
ATTACH THE GUARD
1. Attach the guard to the machine with the
four fasteners as shown. See Figure 3.
Guard
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Fastener
9
Trimmer
Figure 3
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ASSEMBLY
ENGINE PREPARATION
Note: Engine does not contain OIL or
PETROL.
WARNING: Follow the engine
manufacturer’s instructions for
the type of petrol and oil to use.
Always use a safety petrol container. Do
not smoke when adding petrol to the engine. When inside an enclosure, do not
fill with petrol. Before you add petrol,
stop the engine. Let the engine cool for
several minutes.
See the engine manufacturer’s instructions
for the type of petrol and oil to use. Before
you use the unit, read the information on
safety, operation, maintenance, and storage.
Note: Actual sustained horsepower will
likely be lower due to operating limitations and environmental factors.
Fill Crankcase With Oil
1. Remove the oil fill cap/dipstick shown in
Figure 4. Fill the crankcase to the FULL
line on oil fill cap/dipstick. DO NOT OVER-
FILL.
2. Install the oil fill cap/dipstick and tighten
securely.
Fill Fuel Tank With Petrol
See the engine manufacturer’s instructions for
the type of petrol to use.
Oil Fill
Cap/Dipstick
Fuel
Cap
Figure 4
CHECKLIST
For the best performance and satisfaction
from this quality product, please review the following checklist before you operate the machine:
All assembly instructions have been
completed.
Check carton. Make sure no loose parts
remain in the carton.
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As you learn how to use the machine, pay extra attention to the following important items:
Engine oil is at correct level.
Fuel tank is filled with fresh, clean, regular unleaded petrol.
Become familiar and understand the
function of all controls. Before you start
the engine, operate all controls.
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OPERATION
KNOW YOUR POWERTRIM
READ THE OWNER’S HANDBOOK AND ALL SAFETY RULES BEFORE YOU OPERATE the
machine. To familiarise yourself with the location of the controls, compare the illustrations with your
machine. Save this handbook for future reference.
Control Bail
Upper Handle
Throttle Control Lever
Recoil Starter Handle
Handle Adjustment Knob
Fuel Cap
Shield Edge Guard
Trimmer Head Drive Lever
Trimmer Head Drive Lever − Engages
the rotation of the trimmer head.
Control Bail − Release to stop the rotation
of the trimmer head.
Dipstick
Debris Screen
Trimmer Head
Trimmer Line
Figure 5
Throttle Control Lever − Controls the
speed or stops the engine.
Recoil Starter Handle − The engine is
equipped with an easy pull recoil starter.
EYE PROTECTION
WARNING: Debris thrown from
the machine can result in
foreign objects being thrown
into the eyes, which can cause severe
eye damage. Always wear safety
glasses or eye shields when operating
the machine.
Always wear safety glasses. If you wear eye
glasses, put a Wide Vision Safety Mask over
your eye glasses.
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STOP THE TRIMMER HEAD
1. Release the control bail. It will return to its
open position and disengage the trimmer
head.
STOP THE ENGINE
WARNING: The trimmer head will
continue to rotate for several seconds after the engine has
stopped
1. Move the throttle control lever completely back to the STOP position.
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OPERATION
USE THE TRIMMER HEAD
DRIVE LEVER
1. To engage the trimmer head, hold the control bail against the handle. Move the
trimmer head drive lever forward to en-
gage the trimmer head. See Figure 6. The
faster the engine runs, the faster the trimmer head will rotate.
2. Once the trimmer head is rotating, push
the machine forward to trim.
USE THE THROTTLE CONTROL
1. During normal use, set the throttle control lever in the FAST position to run the
engine at full speed.
2. Pull the throttle control lever back to decrease engine speed. Push the throttle
control lever forward to increase engine
speed.
Control Bail
Handlebar
Trimmer Head
Drive Lever
Figure 6
3. To stop the engine, pull the throttle con-
trol lever completely back to the STOP
position.
USE THE PRIMER BUTTON
1. Push the primer button. See Figure 8 for
location. For the number of times to push
the primer button, see the primer button
decal located on the engine or follow the
directions in the Engine Manual. Wait
approximately two seconds between each
push.
NOTE: Do not use the primer button to restart a warm engine after a short shutdown.
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Throttle Control
Lever
Figure 7
Primer
Button
Figure 8
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OPERATION
START THE ENGINE
NOTE: DO NOT BE ALARMED, your engine
will smoke the first time it is started. It is
burning off the protective coating that is on
the internal engine parts.
WARNING: Never leave the machine unattended while the engine is running. Wait for the trimmer lines to stop rotation.
1. Before each use, remove debris from the
debris screen shown in Figure 5. Debris
can cause the engine to overheat. Wipe
the debris screen with a cloth or paper
towel.
2. Move the throttle control lever forward to
the START or FAST position.
3. To start a cold engine, push the primer button five times. Wait two seconds between
each push of the primer button.
NOTE: Do not use the primer to start a
warm engine.
4. Firmly hold the recoil starter handle with
your right hand. See Figure 9.
5. Pull back sharply on the recoil starter
handle. DO NOT allow the starter rope to
snap back. Let the starter rope slowly rewind as you hold the recoil starter handle.
NOTE: If engine fails to start after three
pulls, push the primer button two times and
again pull the recoil starter handle.
WARNING: Never run the engine
indoors or in a poorly ventilated
area. Engine exhaust contains
carbon monoxide, an odorless
and deadly gas. Keep hands,
feet, hair and loose clothing
away from the machine and any
moving parts on the engine.
Avoid the muffler and surrounding areas. Temperatures may exceed 150
Recoil Starter Handle
F.
Figure 9
TRIMMER TIPS
WARNING: Debris such as sticks,
gravel or stones, can be thrown
with sufficient force to cause personal injury or property damage.
Set the throttle control in the FAST position. If the weeds or grass are tall and
thick, operate the machine at a slower
walking speed.
Frequently clean the underside of the machine to remove any grass build up.
For best results and longer lasting line,
use the ends of the line to do the cutting.
This is easily done by moving slowly
through very thick or heavy weeds.
If the trimmer lines become too short, it will
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take longer to complete the job. If the trimmer lines are worn to less than half their
original length, change to a new trimmer
line. “See How To Change The Trimmer
Line” in the Maintenance section.
Do not trim on excessively steep slopes. If
a slope is difficult to stand on, do not trim.
Do not trim on slopes when the ground is
slippery or wet. Trim across the face of a
slope, not up and down.
Trimming may be done at slower engine
speeds especially when trimming around
flowers, shrubs, and small trees. Operating at slower speeds will also reduce engine noise and vibration at the upper
handle.
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Page 14
SERVICE RECORDS
Fill in dates as you
complete regular service.
MAINTENANCE
Before
Each
Use
Every
5
Hours
Every
25
Hours
Every
100
Hours
As
Noted
SERVICE
DATES
Check Engine Oil Level
Check Trimmer Lines
Check Trimmer Head
Engagement
Engine/Machine Cleaning
Check Nuts and Bolts
Check Spark Plug
Change Engine Oil
Service Air Filter
Lubricate Jackshaft Assembly
Lubricate Wheel Bearings
Note 1 − When old line is half the original length, replace with new line.
Note 2 − Clean daily if used in extremely dusty or dirty conditions.
Note 3 − Change more often if used in extremely dusty or dirty conditions.
√
√
√
√
√
√
√
√
√
√
1
2
3
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Page 15
LUBRICATION
MAINTENANCE
Lubricate the Jackshaft Assembly
A grease fitting is provided to lubricate the
jackshaft assembly. Use a grease gun with automotive type grease to lubricate the jackshaft
assembly as shown in Figure 10.
Change Engine Oil
Change the engine oil when the engine is
warm. For the proper oil capacity, see the engine manufacturer’s instructions.
1. Disconnect spark plug wire from the spark
plug.
2. Remove the oil drain plug as shown in
Figure 11.
3. Drain all the engine oil into a flat pan.
4. Install the oil drain plug. Make sure the
oil drain plug is tight.
5. Remove the dipstick.
6. Fill the engine crankcase. DO NOT
OVERFILL. For proper oil capacity, see
the engine manufacturer’s instructions.
Grease Fitting
Figure 10
7. Connect the spark plug wire to the spark
plug.
Oil Drain Plug
Figure 11
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MAINTENANCE
SPARK PLUG
Check the spark plug every 25 hours. Replace the spark plug if the electrodes are
pitted or burned or if the porcelain is cracked.
1. Make sure the spark plug is clean. Clean
the spark plug by carefully scraping the
electrodes (do not sand blast or use a wire
brush).
2. Check the spark plug gap with a feeler
gauge. See “Product Specifications” for
the correct spark plug gap and replacement spark plug.
3. Before installing the spark plug, coat the
threads lightly with oil for easy removal.
ADJUST THE HEIGHT OF
THE HANDLEBAR
Use the knobs, on each side of the handlebar, to adjust the height of the handlebar.
1. Hold the handlebar with one hand and
loosen both knobs until the ratchet teeth
are disengaged. Do not remove the
knobs. See Figure 13.
2. Move the handlebar up or down to the de-
sired position, then align the ratchet
teeth. Make sure both sides of the handlebar are level.
3. Tighten the knobs.
Tighten the spark plug to a torque of 15
foot−pounds.
Feeler Gauge
0.030”
Spark Plug
Figure 12
Handlebar
Ratchet
Teeth
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Knob
Figure 13
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Page 17
MAINTENANCE
SERVICE AND ADJUSTMENT
WARNING: Before you inspect, clean or service the machine, stop the engine.
Make sure that all moving parts have stopped. Disconnect the wire from the
spark plug.
PROPER CARE OF TRIMMER LINE
For the best performance, use a heavy
gauge 3.9mm (0.155” diameter) trimmer
line. Cut the length of the trimmer line to
52cm (21.5 inches). Do not allow the length
of the lines to vary more than one inch. This
is important to make sure the trimmer head
is balanced and does not vibrate.
CHANGE TRIMMER LINES
When the trimmer line becomes worn to half the original length, replace the trimmer line as
follows:
IMPORTANT: To extend the life of the trimmer line, keep the trimmer line moist. If not
kept moist, the nylon trimmer line will become dry and brittle. Keep extra trimmer
line in a can of water. The line will then stay
flexible and easy to change. A flexible line
will also last much longer.
Line
Retainer
1. Stop the engine. Wait for
all moving parts to stop.
2. Remove worn trimmer
line from line retainer.
3. First, thread the ends of
the new trimmer line
through the outside
loops.
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Trimmer
Line
Line
Retainer
4. Next, take the ends of the
line, cross over the line
retainer, and thread the
ends through the centre
hole.
17
5. Then, check to make
sure that the ends of the
line are even.
Page 18
MAINTENANCE
REPLACE THE DRIVE BELT
To replace the drive belt, see an authorized service center.
STORAGE
WARNING: Do not remove petrol
while inside a building, near a
fire, or while you smoke. Petrol
fumes can cause an explosion or
a fire.
When the machine is put in storage for thirty
days or more, follow the steps below to
make sure the machine is in good condition
the following season.
Trimmer
Completely clean the machine.
Put the machine in a building that has
good ventilation.
Engine
To prevent engine damage when the machine is in storage for 30 days or more, follow the steps below:
Let the engine run until it is out of petrol.
Drain the oil from the warm engine. Fill the
engine crankcase with new oil.
Remove the spark plug from the cylinder.
Pour one ounce of oil into the cylinder.
Slowly pull the recoil starter handle so that
the oil will protect the cylinder. Install a new
spark plug in the cylinder.
Clean dirt and debris from the cylinder
cooling fins and the engine housing.
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TROUBLESHOOTING CHART
TROUBLE CAUSE CORRECTION
Engine does not start. Spark plug wire
disconnected.
Engine not primed. Prime engine.
Defective or incorrectly
gapped spark plug.
Fuel tank empty. Add fuel.
Dirty carburetor or fuel line. Clean carburetor or fuel line.
Dirty air filter. Replace air filter.
Carburetor out of adjustment. See authorized dealer.
Engine flooded. Wait several minutes before
Throttle control lever in
incorrect position.
Stale fuel. Drain old fuel and add
Engine runs poorly. Bad spark plug. Replace spark plug.
Dirty air filter. Replace air filter.
Carburetor out of adjustment.
Connect spark plug wire.
Inspect or replace spark
plug.
starting.
Move throttle lever to FAST
or START position.
fresh fuel.
See authorized dealer.
1739579
Stale fuel. Drain old fuel. Add fresh
fuel.
19
Page 20
TROUBLESHOOTING CHART
Engine overheats. Engine cooling system
Engine will not stop
running.
Poor trimming
performance.
Trimmer vibrates.
Trimmer head does not
retain line.
clogged.
Carburetor out of adjustment. See authorized dealer.
Oil level is low. Add oil.
Defective throttle control
lever or wire.
Trimmer line length is too
short.
Engine not set at FAST
speed.
Trimmer line lengths are
substantially different.
Loose nuts or bolts. See authorized dealer.
Broken trimmer head. See authorized dealer.
Trimmer line not properly
attached.
Broken line retainer. See authorized dealer.
Trimmer line not correct size. Use 3,9 mm (0.155 inch)
See authorized dealer.
See authorized dealer.
Correct line length is 52 cm
(21,5 inches). When less
than 1/2 this length, replace
the line.
Move engine throttle lever to
FAST position.
Adjust trimmer line to
approximately equal lengths.
Follow instructions on decal
or see Maintenance section
in this manual.
diameter trimmer line.
1739579
20
Page 21
SPECIFICATIONS
Trimmer Line Diameter 3,9 mm (0,155”)
Trimmer Line Length 520 mm (21,5”)
Height of Cut (Fixed) 76 mm (3”)
Dimensions 1400 x 555 x 1000
Engine Briggs 122T02-0188-B1
KW 2,56
Displacement 190 cc (11,57 cu in.)
Petrol Capacity 0,95 L (1,0 quarts)
Oil Capacity 0,54 - 0,59 L (18-20 oz)
Spark Plug Champion RJ−19LM
Spark Plug Gap 0,76 mm (0.030 in.)
Weight 34 kg (75 lbs)
Engine Power Rating Information
The gross power rating for individual gas engine models is labeled in accordance with
SAE (Society of Automotive Engineers) code J1940 (Small Engine Power & Torque Rating
Procedure), and rating performance has been obtained and corrected in accordance with
SAE J1995 (Revision 2002-05). Torque values are derived at 3060 RPM; horsepower values
are derived at 3600 RPM. Actual gross engine power will be lower and is aected by,
among other things, ambient operating conditions and engine-to-engine variability.
Given both the wide array of products on which engines are placed and the variety of
environmental issues applicable to operating the equipment, the gas engine will not
develop the rated gross power when used in a given piece of power equipment (actual
"on-site" or net power). This dierence is due to a variety of factors including, but not
limited to, accessories (air cleaner, exhaust, charging, cooling, carburetor, fuel pump,
etc.), application limitations, ambient operating conditions (temperature, humidity,
altitude), and engine-to-engine variability. Due to manufacturing and capacity
limitations, Briggs & Stratton may substitute an engine of higher rated power for
this Series engine.
1739579
21
Page 22
Order Replacement Parts
Replacement parts, except for the engine, transmission, transaxle or differential,
are available from your local Hayter authorised dealer, the store where the
mower was purchased or a service shop recommended by the store.
If you are unable to obtain parts or service in the manner outlined above, then
contact:
HAYTER LIMITED,
Service Department,
Spellbrook,
Bishop’s Stortford,
Hertfordshire. CM23 4BU
1739579 22
Page 23
Repair Parts
PTS - 1
Page 24
Handle And Wheels
PTS - 2
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
POWERTRIM Code 407F
Page 25
Handle And Wheels
PTS - 3
PART NO. DESCRIPTIONREF NO QTY.
POWERTRIM Code 407F
LEVER, Stop 1 MU740198E701MA
BOLT 2 MU323035MA
CABLE, Control Latching 3 MU740193MA
TIE, Cable 4 MU071372MA
HANDLEBAR 5 MU740196E701MA
NUT 6 MU15X116MA
CONTROL, Throttle 7 MU1601039MA
GUIDE, Rope 8 MU672510MA
KNOB, Handlebar 9 MU740202MA
WASHER 10 MU783000MA
WASHER, Spring 11 MU711936MA
BOLT 12 MU711937MA
PIVOT, Handlebar 14 MU740158MA
HANDLEBAR, Lower 15 MU740195E701MA
WHEEL & TIRE 16 MU740185MA
NUT, Axle 17 MU015X84MA
WASHER 18 MU0020X3MA
SPACER 19 MU740190MA
ASSEMBLY, Axle & Bracket 20 MU740188MA
SCREW 21 MU26X274MA
BOLT, Carriage 22 MU711935MA
DECK 23 MU740150E701MA
BOLT 24 MU0025X6MA
SHIELD, Trailing 25 MU740192MA
BOLT 26 MU001X45MA
SCREW 27 MU26X267MA
ENGINE (Engine Model: 122T02-0188-B1) 28 122T02-0188-B1
PROTECTION, Eye 29 MU711890MA
NUT 30 MU015X88MA
SUPPORT, Handle 31 MU1601040MA
SCREW 32 MU26X268MA
CLAMP, Throttle 33 MU690798
DECAL, Engine Stop 34 MU712409MA
DECAL, Powertrim (Not shown) -- MU407002YP
DECAL, Hayter (Not Illustrated) -- MU410087YP
DECAL, Warning (Not shown) -- MU713006MA
DECAL, Control Instructions (Not shown) -- MU712409MA
INSTRUCTION BOOK & PARTS LIST -- MU1739579
Footnotes
Page 26
Cutting Head And Shield
PTS - 4
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
POWERTRIM Code 407F
Page 27
Cutting Head And Shield
PTS - 5
PART NO. DESCRIPTIONREF NO QTY.
POWERTRIM Code 407F
NUT 1 MU015X84MA
SCREW 2 MU025X11MA
FRAME, Trimmer 3 MU740150E701MA
SCREW 4 MU26X256MA
BRACKET, Idler Assembly 5 MU740232MA
BOLT 6 MU009X48MA
SPRING 7 MU712403MA
SPACER 8 MU740292MA
NUT 9 MU15X119MA
WASHER 10 M710083MA
PULLEY, Cutting Head 11 MU740171MA
SPACER 12 MU740173MA
BELT 13 MU711933MA
PULLEY, Idler 14 MU740244MA
PULLEY, Engine 15 MU740179MA
PULLEY, Idler 16 MU740183MA
LOCKWASHER 17 MU018X31MA
BOLT 18 MU001X20MA
SCREW 19 MU26X235MA
GUARD ASSEMBLY 20 MU770070MA
GUARD 22 MU740206MA
SCREW 23 MU26X294MA
JACKSHAFT HOUSING ASSEMBLY 24 MU1001049MA
SHAFT, Cutting 25 MU740300MA
WRAP, Upper Head 26 MU740163MA
SCREW 27 MU712126MA
CUTTING DISC ASSEMBLY 29 MU770037MA
SCREW, Set 30 MU712127MA
LINE, Cutting 31 MU740165MA
GUIDE ASSEMBLY, Metal Height 33 MU740299MA
Footnotes
Page 28
Hex Head Capscrew
Hex Nut
Lockwasher
Washer
Carriage Bolt
Hardware Identification & Torque Specifications
Screw, 1/2 x 2
Body
Diameter
Body
Length
Inside
Diameter
Nut, 1/2”
3/8” Bolt or Nut
Wrench—9/16”
3/8
5/16” Bolt or Nut
Wrench—1/2”
5/16
1/4” Bolt or Nut
Wrench—7/16”
1/4
1/2” Bolt or Nut
Wrench—3/4”
1/2
DIA.
7/16
DIA.
7/16” Bolt or Nut
Wrench (Bolt)—5/8”
Wrench (Nut)—11/16”
Wrench & Fastener Size Guide
0
1/4 3/4
1/2
1
1/4 3/4
1/2
2
1/4 3/4
1/2
3
1/4 3/4
1/2
4
PTS - 6
Common Hardware Types
Standard Hardware Sizing
When a washer or nut is identified as 1/2”, this is the
Nominal size
second number is present it represent the
When bolt or capscrew is identified as 1/2 - 16 x 2”, this
means the
second number represents the
example, and the final number is the
bolt or screw (in this example 2 inches long).
The guides and ruler furnished below are designed to
help you select the appropriate hardware and tools.
, meaning the
Nominal size
, or
inside diameter
body diameter
threads per inch
body length
is 1/2 inch; if a
threads per inch
is 1/2 inch; the
(16 in this
of the
Torque Specification Chart
FOR STANDARD MACHINE HARDWARE (Tolerance ± 20%)
Hardware
Grade
Size Of
Hardware ft/lbs Nm. ft/lbs Nm. ft/lbs Nm.
8-32
8-36
10-24
10-32
1/4-20
1/4-28
5/16-18 11 15.0 17 23.1 25 34.0
5/16-24 12 16.3 19 25.8 27 34.0
3/8-16 20 27.2 30 40.8 45 61.2
3/8-24 23 31.3 35 47.6 50 68.0
7/16-14 30 40.8 50 68.0 70 95.2
7/16-20 35 47.6 55 74.8 80 108.8
1/2-13 50 68.0 75 102.0 110 149.6
1/2-20 55 74.8 90 122.4 120 163.2
9/16-12 65 88.4 110 149.6 150 204.0
9/16-18 75 102.0 120 163.2 170 231.2
5/8-11 90 122.4 150 204.0 220 299.2
5/8-18 100 136 180 244.8 240 326.4
3/4-10 160 217.6 260 353.6 386 525.0
3/4-16 180 244.8 300 408.0
7/8-9 140 190.4 400 544.0 600 816.0
7/8-14 155 210.8 440 598.4 660 897.6
1-8 220 299.2 580 788.8 900 1,244.0
1-12 240 326.4 640 870.4 1,000 1,360.0
1. These torque values are to be used for all hardware
excluding: locknuts, self-tapping screws, thread forming
screws, sheet metal screws and socket head setscrews.
2. Recommended seating torque values for locknuts:
a. for prevailing torque locknuts - use 65% of grade 5
b. for flange whizlock nuts and screws - use 135% of
3. Unless otherwise noted on assembly drawings, all torque
values must meet this specification.
No
Marks
SAE Grade 2 SAE Grade 5 SAE Grade 8
in/lbs in/lbs
19
2.1
30
20
27
31
66
76
torques.
grade 5 torques.
2.3
3.1
3.5
7.6 8 10.9 12 16.3
8.6 10 13.6 14 19.0
NOTES
3.4
31
3.5
43
4.9
49
5.5
in/lbs
41
43
60
68
420 571.2
4.6
4.9
6.8
7.7
P
Page 29
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