POWERTRIM
Code 407F
OWNER’S HANDBOOK
CODE
407F
SERIAL NO.
310000001
PART NO: 111-3445 (Rev. A)
Issue 10/2009
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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 war-
ranty 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 workman-
ship. 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 pur-
chase 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 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
1st Year
Service
Record
2nd Year
Service
Record
Date . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . .
Date . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . .
Signed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Signed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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OPERATOR SAFETY
7. Wear appropriate clothing such as a
OWNER’S INFORMATION
long−sleeved shirt or jacket. Also wear
long trousers. Do not wear shorts.
Know your product: If you understand the
unit and how the unit operates, you will get
the best performance. As you read this manu-
al, 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.
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 im-
prove 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, splin-
ters, and other debris.
11. It is advisable to wear protective head-
gear 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.
WARNING: Look for this symbol to indi-
cate 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.
12. Do not operate the machine without
proper guards or other safety protective
devices in place.
The responsibility of the owner is
to follow the instructions below.
13. Use this equipment for its intended pur-
SAFETY PRECAUTIONS
I. General Operation
1. Read, understand, and follow all instruc-
tions on the machine and in the manu-
al(s). Be thoroughly familiar with the
controls and the proper use of the ma-
chine before starting.
pose only.
14. See manufacturer’s instructions for prop-
er operation and installation of accesso-
ries. 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 oper-
ate this machine safely.
17. Never operate machine in wet grass. Al-
ways 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.
2. Familiarize yourself with all of the safety
and operating decals on this equipment
and on any of its attachments or acces-
sories.
3. Do not put hands or feet near or under
rotating parts.
4. Only allow responsible individuals, who
are familiar with the instructions, to oper-
ate 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 caus-
ing personal injury or property damage.
Stay away from breakable objects, such
as house windows, automobiles, green-
houses, etc.
19. Stop the rotating trimmer head when
crossing gravel drives, walks, or roads.
Wait for the cutting lines to stop rotating.
6. Keep the area of operation clear of all
persons, particularly small children, and
pets.
20. Watch for traffic when operating near, or
when crossing roads.
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OPERATOR SAFETY
21. Stop the engine whenever you leave the
Do not trim on wet grass. Reduced footing
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.
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.
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 immedi-
ately for the cause. Vibration is generally
a warning of trouble.
1. Keep children out of the trimming area
and under the watchful care of a respon-
sible adult.
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 op-
erating the machine.
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.
24. Never leave the machine unattended
when the engine is running. Remove
the wire from the spark plug.
4. Never allow children to operate the ma-
chine.
25. Regularly inspect the machine. Make
sure parts are not bent, damaged or
loose.
5. Use extra care when approaching blind
corners, shrubs, trees, or other objects
that may obscure vision.
26. Allow muffler and engine areas to cool
before touching. Never pick up or carry
the trimmer while the engine is running.
IV. Service
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
1. Use extra care in handling petrol and
other fuels. They are flammable and va-
pors are explosive.
a. Use only an approved container.
b. Never remove gas cap or add fuel
with the engine running. Allow en-
gine to cool before refueling. Do not
smoke.
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 inju-
ry. All slopes require extra caution. If you feel
uneasy on a slope, do not trim it.
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
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 ex-
treme caution when changing direction on
slopes.
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
Do remove objects such as rocks, tree limbs,
etc.
heater), 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-
posed of carefully.
Do watch for holes, ruts, or bumps. Tall grass
can hide obstacles.
Do not trim near drop−offs, ditches, or em-
bankments. The operator could lose footing
or balance.
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OPERATOR SAFETY
2. Never run the engine indoors or inside a
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.
closed area. The exhaust fumes are
dangerous, containing CARBON MON-
OXIDE, an ODORLESS and DEADLY
gas.
9. Stop and inspect the equipment if you
strike an object. Repair, if necessary, be-
fore restarting.
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 start-
ing. Always wear eye protection when
you make adjustments or repairs.
10. Always disconnect spark plug wire be-
fore cleaning, repairing, or adjusting.
11. Do not change the engine governor set-
ting or over−speed the engine.
4. Check the trimmer head and engine
mounting bolts at frequent intervals for
proper tightness.
12. Clean and replace safety and instruction
decals as necessary.
5. Keep all nuts and bolts tight and keep
equipment in good condition. Check
mounting hardware on trimmer head ev-
ery time you change trimmer line and
prior to each use.
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 chil-
dren.
6. Never tamper with safety devices.
Check their proper operation regularly.
7. When servicing or repairing the ma-
chine, do not tip the machine over or up
unless specifically instructed to do so in
this Manual. Service and repair proce-
dures 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.
15. Use only original equipment or autho-
rized replacement parts.
16. Never replace the cutting lines with met-
al 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
3
7
4
5
6
8
Safety Warning Pictorials
1
WARNING
5
WARNING: Rotating Parts. Stop Engine.
Disconnect Spark Plug Wire Before
Making Adjustments.
2
IMPORTANT: Read Owner’s Manual
Before Operating This Machine.
6
7
WARNING: Wear Eye Protection
3
4
WARNING: Thrown Objects. Keep
Bystanders Away. Read User
Instructions Before Operating This
Machine.
DANGER: Disconnect Spark Plug Wire
Before Servicing Unit.
8
Direction of Rotating Line.
Do Not Trim Up And Down Slopes. Trim
Across Slopes.
2
6
3
7
1
4
5
8
Control And Operating Pictorials
1
2
3
4
Slow
5
6
7
8
Oil
Fast
Fuel
Engine Stop
Engine Stop
Engage
Disengage
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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)
REMOVE THE TRIMMER
FROM CARTON
1. Remove the parts bag and any loose parts
from carton.
WARNING: Always wear safety
glasses or eye shields while as-
sembling the machine.
2. Remove the packing material positioned
around the unit.
TOOLS REQUIRED
1 − Knife to cut carton.
1 − Phillips Screwdriver.
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.
Figure 1 shows the machine completely as-
sembled and positioned in the carton for ship-
ment.
5. Remove packing material from around the
trimmer head.
References to the right or left hand side of the
machine are from the viewpoint of the opera-
tor’s position behind the unit.
6. Remove protective plastic from front of
frame.
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
Handle
position behind the ma-
chine. Put the handle in
a comfortable position.
Make sure both sides of
the handle are level.
Rope
Guide
NOTE: Make sure the
cables are not caught
between the upper and
lower handle.
Recoil Start
Handle
Handle
Pivot
4. Tighten the handle ad-
justment knobs. Make
sure the handle pivots
are locked in place.
Handle Adjustment
Knob
NOTE: The handlebar
height is adjustable.
See “How To Adjust
The Height Of The Han-
dlebar” in the Mainte-
nance section.
Figure 2
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.
ATTACH THE GUARD
1. Attach the guard to the machine with the
four fasteners as shown. See Figure 3.
Trimmer
Fastener
Guard
Figure 3
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ASSEMBLY
Fill Crankcase With Oil
ENGINE PREPARATION
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.
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 en-
gine. When inside an enclosure, do not
fill with petrol. Before you add petrol,
stop the engine. Let the engine cool for
several minutes.
Fill Fuel Tank With Petrol
See the engine manufacturer’s instructions for
the type of petrol to use.
Oil Fill
Cap/Dipstick
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.
Fuel
Cap
Note: Actual sustained horsepower will
likely be lower due to operating limita-
tions and environmental factors.
Figure 4
As you learn how to use the machine, pay ex-
tra attention to the following important items:
CHECKLIST
For the best performance and satisfaction
from this quality product, please review the fol-
lowing checklist before you operate the ma-
chine:
Engine oil is at correct level.
Fuel tank is filled with fresh, clean, reg-
ular unleaded petrol.
All assembly instructions have been
completed.
Check carton. Make sure no loose parts
remain in the carton.
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
Trimmer Head Drive Lever
Upper Handle
Throttle Control Lever
Dipstick
Recoil Starter Handle
Debris Screen
Handle Adjustment Knob
Fuel Cap
Trimmer Head
Trimmer Line
Shield Edge Guard
Figure 5
Trimmer Head Drive Lever − Engages
the rotation of the trimmer head.
Throttle Control Lever − Controls the
speed or stops the engine.
Control Bail − Release to stop the rotation
of the trimmer head.
Recoil Starter Handle − The engine is
equipped with an easy pull recoil starter.
STOP THE TRIMMER HEAD
EYE PROTECTION
1. Release thecontrol bail. It will return to its
open position and disengage the trimmer
head.
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.
STOP THE ENGINE
WARNING: The trimmer head will
continue to rotate for several sec-
onds after the engine has
stopped
Always wear safety glasses. If you wear eye
glasses, put a Wide Vision Safety Mask over
your eye glasses.
1. Move the throttle control lever com-
pletely back to the STOP position.
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OPERATION
USE THE TRIMMER HEAD
DRIVE LEVER
Control Bail
Handlebar
1. To engage the trimmer head, hold thecon-
trol 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 trim-
mer head will rotate.
2. Once the trimmer head is rotating, push
the machine forward to trim.
Trimmer Head
Drive Lever
Figure 6
USE THE THROTTLE CONTROL
1. During normal use, set the throttle con-
trol lever in the FAST position to run the
engine at full speed.
2. Pull the throttle control lever back to de-
crease engine speed. Push the throttle
control lever forward to increase engine
speed.
3. To stop the engine, pull the throttle con-
trol lever completely back to the STOP
position.
Throttle Control
Lever
Figure 7
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 re-
start a warm engine after a short shutdown.
Primer
Button
Figure 8
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OPERATION
NOTE: If engine fails to start after three
START THE ENGINE
pulls, push the primer button two times and
again pull the recoil starter handle.
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 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 surround-
ing areas. Temperatures may ex-
ceed 150 F.
WARNING: Never leave the ma-
chine unattended while the en-
gine is running. Wait for the trim-
mer 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 but-
ton 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 re-
wind as you hold the recoil starter handle.
Recoil Starter Handle
Figure 9
TRIMMER TIPS
WARNING: Debris such as sticks,
gravel or stones, can be thrown
with sufficient force to cause per-
sonal injury or property damage.
take longer to complete the job. If the trim-
mer 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.
Set the throttle control in the FAST posi-
tion. If the weeds or grass are tall and
thick, operate the machine at a slower
walking speed.
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.
Frequently clean the underside of the ma-
chine to remove any grass build up.
Trimming may be done at slower engine
speeds especially when trimming around
flowers, shrubs, and small trees. Operat-
ing at slower speeds will also reduce en-
gine noise and vibration at the upper
handle.
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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MAINTENANCE
SERVICE RECORDS
Before Every
Every
25
Every
100
Hours
Fill in dates as you
complete regular service.
As
Noted
SERVICE
DATES
Each
Use
5
Hours Hours
Check Engine Oil Level
Check Trimmer Lines
√
√
1
2
Check Trimmer Head
Engagement
√
Engine/Machine Cleaning
Check Nuts and Bolts
Check Spark Plug
√
√
√
√
√
√
√
Change Engine Oil
Service Air Filter
3
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.
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MAINTENANCE
LUBRICATION
Grease Fitting
Lubricate the Jackshaft Assembly
A grease fitting is provided to lubricate the
jackshaft assembly. Use a grease gun with au-
tomotive type grease to lubricate the jackshaft
assembly as shown in Figure 10.
Figure 10
Change Engine Oil
Change the engine oil when the engine is
warm. For the proper oil capacity, see the en-
gine manufacturer’s instructions.
7. Connect the spark plug wire to the spark
plug.
1. Disconnect spark plug wire from the spark
plug.
Oil Drain 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.
Figure 11
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MAINTENANCE
SPARK PLUG
Check the spark plug every 25 hours. Re-
place the spark plug if the electrodes are
pitted or burned or if the porcelain is cracked.
Tighten the spark plug to a torque of 15
foot−pounds.
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).
Feeler Gauge
0.030”
2. Check the spark plug gap with a feeler
gauge. See “Product Specifications” for
the correct spark plug gap and replace-
ment spark plug.
Spark Plug
Figure 12
3. Before installing the spark plug, coat the
threads lightly with oil for easy removal.
ADJUST THE HEIGHT OF
THE HANDLEBAR
Handlebar
Use the knobs, on each side of the handle-
bar, to adjust the height of the handlebar.
Ratchet
Teeth
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 hand-
lebar are level.
3. Tighten the knobs.
Knob
Figure 13
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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.
IMPORTANT: To extend the life of the trim-
mer line, keep the trimmer line moist. If not
kept moist, the nylon trimmer line will be-
come 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.
CHANGE TRIMMER LINES
When the trimmer line becomes worn to half the original length, replace the trimmer line as
follows:
Line
Retainer
Trimmer
Line
Line
Retainer
5. Then, check to make
sure that the ends of the
line are even.
1. Stop the engine. Wait for 4. Next, take the ends of the
all moving parts to stop.
line, cross over the line
retainer, and thread the
ends through the centre
hole.
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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1739579
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MAINTENANCE
REPLACE THE DRIVE BELT
To replace the drive belt, see an author-
ized 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.
Engine
To prevent engine damage when the ma-
chine is in storage for 30 days or more, fol-
low the steps below:
Let the engine run until it is out of petrol.
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.
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.
Trimmer
Completely clean the machine.
Put the machine in a building that has
good ventilation.
Clean dirt and debris from the cylinder
cooling fins and the engine housing.
18
1739579
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TROUBLESHOOTING CHART
TROUBLE
CAUSE
CORRECTION
Engine does not start.
Spark plug wire
disconnected.
Connect spark plug wire.
Engine not primed.
Prime engine.
Defective or incorrectly
gapped spark plug.
Inspect or replace spark
plug.
Fuel tank empty.
Add fuel.
Dirty carburetor or fuel line.
Dirty air filter.
Clean carburetor or fuel line.
Replace air filter.
Carburetor out of adjustment. See authorized dealer.
Engine flooded.
Wait several minutes before
starting.
Throttle control lever in
incorrect position.
Move throttle lever to FAST
or START position.
Stale fuel.
Drain old fuel and add
fresh fuel.
Engine runs poorly.
Bad spark plug.
Dirty air filter.
Replace spark plug.
Replace air filter.
See authorized dealer.
Carburetor out of adjustment.
Stale fuel.
Drain old fuel. Add fresh
fuel.
19
1739579
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TROUBLESHOOTING CHART
Engine overheats.
Engine cooling system
clogged.
See authorized dealer.
Carburetor out of adjustment. See authorized dealer.
Oil level is low.
Add oil.
Engine will not stop
running.
Defective throttle control
lever or wire.
See authorized dealer.
Poor trimming
performance.
Trimmer line length is too
short.
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.
Trimmer vibrates.
Engine not set at FAST
speed.
Trimmer line lengths are
substantially different.
Adjust trimmer line to
approximately equal lengths.
Loose nuts or bolts.
See authorized dealer.
See authorized dealer.
Broken trimmer head.
Trimmer head does not
retain line.
Trimmer line not properly
attached.
Follow instructions on decal
or see Maintenance section
in this manual.
Broken line retainer.
See authorized dealer.
Trimmer line not correct size. Use 3,9 mm (0.155 inch)
diameter trimmer line.
20
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SPECIFICATIONS
Trimmer Line Diameter 3,9 mm (0,155”)
Trimmer Line Length
Height of Cut (Fixed)
Dimensions
Engine
520 mm (21,5”)
76 mm (3”)
1400 x 555 x 1000
Briggs 122T02-0188-B1
2,56
KW
Displacement
Petrol Capacity
Oil Capacity
Spark Plug
190 cc (11,57 cu in.)
0,95 L (1,0 quarts)
0,54 - 0,59 L (18-20 oz)
Champion RJ−19LM
0,76 mm (0.030 in.)
34 kg (75 lbs)
Spark Plug Gap
Weight
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 aꢀected 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 diꢀerence 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.
21
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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
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Repair Parts
PTS - 1
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Handle And Wheels
POWERTRIM Code 407F
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
PTS - 2
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Handle And Wheels
POWERTRIM Code 407F
REF NO PART NO.
1
QTY.
DESCRIPTION
LEVER, Stop
MU740198E701MA
MU323035MA
MU740193MA
MU071372MA
MU740196E701MA
MU15X116MA
MU1601039MA
MU672510MA
MU740202MA
MU783000MA
MU711936MA
MU711937MA
MU740158MA
MU740195E701MA
MU740185MA
MU015X84MA
MU0020X3MA
MU740190MA
MU740188MA
MU26X274MA
MU711935MA
MU740150E701MA
MU0025X6MA
MU740192MA
MU001X45MA
MU26X267MA
122T02-0188-B1
MU711890MA
MU015X88MA
MU1601040MA
MU26X268MA
MU690798
2
BOLT
3
CABLE, Control Latching
TIE, Cable
4
5
HANDLEBAR
6
NUT
7
CONTROL, Throttle
GUIDE, Rope
8
9
KNOB, Handlebar
WASHER
10
11
12
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
--
WASHER, Spring
BOLT
PIVOT, Handlebar
HANDLEBAR, Lower
WHEEL & TIRE
NUT, Axle
WASHER
SPACER
ASSEMBLY, Axle & Bracket
SCREW
BOLT, Carriage
DECK
BOLT
SHIELD, Trailing
BOLT
SCREW
ENGINE (Engine Model: 122T02-0188-B1)
PROTECTION, Eye
NUT
SUPPORT, Handle
SCREW
CLAMP, Throttle
DECAL, Engine Stop
DECAL, Powertrim (Not shown)
DECAL, Hayter (Not Illustrated)
DECAL, Warning (Not shown)
DECAL, Control Instructions (Not shown)
INSTRUCTION BOOK & PARTS LIST
MU712409MA
MU407002YP
MU410087YP
MU713006MA
MU712409MA
MU1739579
--
--
--
--
Footnotes
PTS - 3
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Cutting Head And Shield
POWERTRIM Code 407F
NOTE: Unless noted otherwise,
use the standard hardware torque
specification chart.
PTS - 4
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Cutting Head And Shield
POWERTRIM Code 407F
REF NO PART NO.
QTY.
DESCRIPTION
NUT
1
MU015X84MA
MU025X11MA
MU740150E701MA
MU26X256MA
MU740232MA
MU009X48MA
MU712403MA
MU740292MA
MU15X119MA
M710083MA
2
SCREW
3
FRAME, Trimmer
SCREW
4
5
BRACKET, Idler Assembly
BOLT
6
7
SPRING
8
SPACER
9
NUT
10
11
12
13
14
15
16
17
18
19
20
22
23
24
25
26
27
29
30
31
33
WASHER
MU740171MA
MU740173MA
MU711933MA
MU740244MA
MU740179MA
MU740183MA
MU018X31MA
MU001X20MA
MU26X235MA
MU770070MA
MU740206MA
MU26X294MA
MU1001049MA
MU740300MA
MU740163MA
MU712126MA
MU770037MA
MU712127MA
MU740165MA
MU740299MA
PULLEY, Cutting Head
SPACER
BELT
PULLEY, Idler
PULLEY, Engine
PULLEY, Idler
LOCKWASHER
BOLT
SCREW
GUARD ASSEMBLY
GUARD
SCREW
JACKSHAFT HOUSING ASSEMBLY
SHAFT, Cutting
WRAP, Upper Head
SCREW
CUTTING DISC ASSEMBLY
SCREW, Set
LINE, Cutting
GUIDE ASSEMBLY, Metal Height
Footnotes
PTS - 5
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Hardware Identification & Torque Specifications
Common Hardware Types
Torque Specification Chart
Hex Head Capscrew
FOR STANDARD MACHINE HARDWARE (Tolerance 20%)
Washer
No
Marks
Hardware
Grade
Lockwasher
Carriage Bolt
SAE Grade 2
SAE Grade 5
in/lbs
SAE Grade 8
in/lbs
Hex Nut
Size Of
in/lbs
Hardware ft/lbs
Nm.
2.1
2.3
3.1
3.5
7.6
ft/lbs
Nm.
ft/lbs
Nm.
Standard Hardware Sizing
8-32
8-36
19
20
27
31
66
76
11
12
20
23
30
35
50
55
65
30
31
43
49
8
10
17
19
30
35
50
55
3.4
3.5
4.9
41
43
60
68
12
14
25
27
45
4.6
4.9
6.8
7.7
16.3
19.0
34.0
34.0
61.2
When a washer or nut is identified as 1/2”, this is the
Nominal size, meaning the inside diameter is 1/2 inch; if a
second number is present it represent the threads per inch
10-24
10-32
1/4-20
1/4-28
5/16-18
5/16-24
3/8-16
3/8-24
7/16-14
7/16-20
1/2-13
1/2-20
9/16-12
9/16-18
5/8-11
5/8-18
3/4-10
3/4-16
7/8-9
5.5
When bolt or capscrew is identified as 1/2 - 16 x 2”, this
means the Nominal size, or body diameter is 1/2 inch; the
second number represents the threads per inch (16 in this
example, and the final number is the body length of the
bolt or screw (in this example 2 inches long).
10.9
13.6
23.1
25.8
40.8
47.6
68.0
74.8
8.6
15.0
16.3
27.2
31.3
40.8
47.6
68.0
74.8
88.4
The guides and ruler furnished below are designed to
help you select the appropriate hardware and tools.
50
70
80
68.0
95.2
0
108.8
149.6
163.2
204.0
231.2
299.2
326.4
525.0
571.2
816.0
897.6
1/4
75 102.0
90 122.4
110 149.6
120
150
180
260
300
110
120
150
170
220
240
386
420
600
660
Nut, 1/2”
1/2
Inside
Diameter
3/4
75 102.0
90 122.4
100
163.2
204.0
244.8
353.6
408.0
1
2
3
4
136
1/4
160 217.6
180
140 190.4
155 210.8
220 299.2
240 326.4
244.8
1/2
400 544.0
3/4
7/8-14
1-8
1-12
440
580
640
598.4
788.8
Screw, 1/2 x 2
900 1,244.0
Body
Diameter
870.4 1,000 1,360.0
1/4
NOTES
1/2
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
torques.
b. for flange whizlock nuts and screws - use 135% of
grade 5 torques.
3. Unless otherwise noted on assembly drawings, all torque
values must meet this specification.
Body
Length
3/4
1/4
1/2
3/4
Wrench & Fastener Size Guide
1/2
7/16
DIA.
DIA.
3/8
5/16
1/4
1/4” Bolt or Nut
Wrench—7/16”
5/16” Bolt or Nut
Wrench—1/2”
3/8” Bolt or Nut
Wrench—9/16”
7/16” Bolt or Nut
Wrench (Bolt)—5/8”
Wrench (Nut)—11/16”
1/2” Bolt or Nut
Wrench—3/4”
PTS - 6
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