Tiller/Cultivator
with Honda Engine
OWNER’S MANUAL
Motobêche-bineuse
avec moteur Honda
MANUEL D'UTILISATION
Gartenfräse/Motorhacke
mit Honda-Motor
BEDIENERHANDBUCH
Here’s your new MANTIS Tiller . . .
the lightweight wonder that’s changing
the way we garden.
Unlike big tillers, your MANTIS Tiller
weighs only 24 pounds (11 kg). So it
lifts easily, handles smoothly, tills and
weeds precisely. And, unlike other
small tillers, it features serpentine tines
that churn soil to 25 cm deep. It creates
a soft, smooth seed bed, even in
problem soil.
Once you know how to use your tiller
correctly, we guarantee you’ll love it.
So first, please read this manual. It
shows, step by step, how to use your
tiller safely. Plus, it shows how the
MANTIS Border Edger can make light
work of your edging needs.
If you have questions about any topic
in this Manual or if you wish to order
MANTIS attachments, contact your
local authorised Mantis office.
2
Table of contents
Safety rules & warnings
. . . . . . . . . . . . . . . . . . .
3-5
Safety labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Engine & fuel warnings . . . . . . . . . . . . . . . . . . . .5
Assembly and mixing fuel . . . . . . . . . . . . . . . .6-9
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10-11
Additional information . . . . . . . . . . . . . . . . . . . .11
Getting to your garden . . . . . . . . . . . . . . . . . . . .11
Tilling & cultivating . . . . . . . . . . . . . . . . . . .12-13
Tine positioning. . . . . . . . . . . . . . . . . . . . . . . . . 3
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
MANTIS Tiller assembly layout . . . . . . . . . . . .16
Parts assemblies . . . . . . . . . . . . . . . . . . . . . . . . .17
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . .18
The Mantis Promise . . . . . . . . . . . . . . . . . . . . . .19
Welcome to the world of
Mantis gardening
3
Safety rules & warnings
You will notice throughout this owners manual safety rules and important notes. Make sure you understand
and obey these warnings for your own protection.
I. Special safety information
WARNING • DANGER
ATTENTION: THIS SYMBOL POINTS OUT
OUR IMPORTANT SAFETY INSTRUCTIONS.
WHEN YOU SEE THIS SYMBOL,
HEED IT’S WARNING!! STAY ALERT!!
WARNING • DANGER
TO REDUCE THE POTENTIAL FOR ACCIDENTS, COMPLY WITH
THE SAFETY INSTRUCTIONS IN THIS MANUAL.
FAILURE TO COMPLY MAY RESULT IN SERIOUS PERSONAL
INJURY, AND/OR EQUIPMENT AND PROPERTY DAMAGE.
WARNING • DANGER
IMPROPER USE OR CARE OF THIS TILLER
OR FAILURE TO WEAR PROPER PROTECTION
CAN RESULT IN SERIOUS INJURY.
READ AND UNDERSTAND THE RULES FOR SAFE OPERATION
AND ALL INSTRUCTIONS IN THIS MANUAL.
WEAR HEARING AND EYE PROTECTION.
II. Safety & warnings
!
!
! !
!
!
!
DON’T FUEL, REFUEL, OR
CHECK FUEL WHILE
SMOKING, OR NEAR AN
OPEN FLAME OR OTHER
IGNITION SOURCE.
INCORRECT ASSEMBLY.CAUTION: WHEN
ASSEMBLING THE HANDLES,
MAKE SURE FUEL TANK FACES
AWAY FROM OPERATOR. THIS
IS THE REAR OF THE TILLER,
REFER TO ASSEMBLY
INSTRUCTION ON PAGE 7.
CUTTING HAZARD; KEEP
FEET AND HANDS AWAY
FROM ROTATING TINES.
WEAR EAR AND EYE
PROTECTION.
READ OWNER’S MANUAL
BEFORE USING TILLER, OR
PERFORMING ANY REPAIR
OR MAINTENANCE. KEEP
OWNERS MANUAL IN A
SAFE PLACE.
DO NOT CARRY THE TILLER
IN THIS POSITION.
WARNING • DANGER
IF THE TILLER IS USED IMPROPERLY OR SAFETY PRECAUTIONS ARE NOT FOLLOWED,
THE USERS RISK SERIOUS INJURY TO THEMSELVES AND OTHERS.
READ AND UNDERSTAND THIS MANUAL BEFORE ATTEMPTING TO OPERATE THIS TILLER.
! !
An important part of the safety system incorporated in this tiller
are the warning and information labels found on various parts of the
tiller. These labels must be replaced in time due to abrasion, etc. It is your
responsibility to replace these labels when they become hard to read. The
location and part numbers (P/N) of these labels are illustrated on Page 27.
III. Safety label information
4
P/N 400620
P/N 400609
IV. Warnings - do’s
Read and understand the owner’s
manual. Pay particular attention to all
sections regarding safety.
1. Always keep a firm grip on both
handles while the tines are moving and/or
the engine is running. BE AWARE!! The
tines may coast after throttle trigger is
released. Make sure tines have come to a
complete stop and engine is off before
letting go of the tiller.
2. Always maintain a firm footing and
good balance. Do not overreach while
operating the tiller. Before you start to use
the tiller, check the work area for obstacles
that might cause you to lose your footing,
balance or control of the machine.
3. Thoroughly inspect the area where
equipment is to be used and remove all
objects, which can be thrown by the
machine.
4. Always keep area clear of children,
pets, and bystanders.
5. Always stay alert. Watch what you
are doing and use common sense. Do not
operate unit when fatigued.
6. Always dress properly. Do not wear
loose clothing or jewellery, they might get
caught in moving parts. Use sturdy gloves.
Gloves reduce the transmission of
vibration to your hands. Prolonged
exposure to vibration can cause numbness
and other ailments.
7. While working, always wear
substantial footwear and long trousers. Do
not operate the equipment when barefoot
or wearing open sandals.
8. Always wear ear and eye protection.
Eye protection must meet applicable CE
requirements. To avoid hearing damage,
we recommend hearing protection be
worn whenever using the equipment.
9. To reduce fire hazard, keep the
engine, and petrol/fuel storage area free of
vegetative material and excessive grease.
10. Start the engine carefully,
according to the manufacturer’s
instructions and with feet well away from
tool(s).
11. Keep all nuts, bolts and screws
tight to be sure the equipment is in safe
working condition.
12. Use extreme caution when
reversing or pulling the machine towards
you.
13. Work only in daylight or good
artificial light.
14. Always be sure of your footing on
slopes.
15. Exercise extreme caution when
changing direction on slopes.
16. Always keep a safe distance
between two or more people when
working together.
17. Always inspect your unit before
each use and ensure that all handles,
guards and fasteners are secure, operating,
and in place.
18. Always maintain and examine your
Tiller with care. Follow maintenance
instructions given in manual.
19. Always store tiller in a sheltered
area (a dry place), not accessible to
children. The tiller as well as fuel should
not be stored in a house
.
V. Warnings - don'ts
Don’t use tiller with one hand.
Keep both hands on handles with
fingers and thumbs encircling the
handles, while tines are moving,
and engine is running.
Don’t overreach. Keep a good
footing at all times.
Don’t run with the machine,
walk.
Don’t work on excessively
steep slopes.
Don’t attempt to clear tines
while they are moving. Never try
to remove jammed material before
switching the engine off and
making sure the tines have
stopped completely.
Don’t allow children or
incapable people to operate this
tiller.
Don’t operate while under
the influence of alcohol or drugs.
Don’t attempt to repair this
tiller. Have repairs made by a
qualified dealer or repairman. See
that only original Mantis parts are
used.
5
WARNING • DANGER
HANDLE FUEL WITH CARE, IT IS HIGHLY FLAMMABLE. FUELLING A HOT ENGINE OR NEAR AN IGNITION
SOURCE CAN CAUSE A FIRE AND RESULT IN SERIOUS PERSONAL INJURY AND/OR PROPERTY DAMAGE.
! !
Always use fresh petrol. Stale
petrol can cause damage.
Always store fuel in containers
specifically designed for this
purpose.
Always pull starter cord slowly
until resistance is felt. Then pull cord
rapidly to avoid kickback and
prevent arm or hand injury.
Always operate engine with spark
arrestor installed and operating
properly.
Stop the engine whenever you
leave the machine.
Allow the engine to cool before
storing in any enclosure.
If the fuel tank needs to be
drained, this should be done
outdoors.
Don’t
fuel, refuel or check fuel
while smoking, or near an open
flame or other ignition source. Stop
engine and be sure it is cool before
refuelling.
Don’t
leave the engine running
while the tiller is unattended. Stop
engine before putting the tiller
down or while transporting from
one place to another.
Don’t
refuel, start or run this
tiller indoors or in an improperly
ventilated area.
Don’t
run engine when electrical
system causes spark outside the
cylinder. During periodical checks
of the spark plug, keep plug a safe
distance from cylinder to avoid
burning of evaporated fuel from
cylinder.
Don’t
check for spark with
spark plug or plug wire removed.
Use an approved tester.
Don’t
crank engine with spark
plug removed unless spark plug
wire is disconnected. Sparks can
ignite fumes.
Don’t
run engine when the
odour of petrol is present or other
conditions exist.
Don’t
operate the unit if petrol
is spilled. Clean up spill completely
before starting engine.
Don’t
operate your tiller if there
is an accumulation of debris around
the exhaust, and cooling fins.
Don’t
touch the hot exhaust,
cylinders or cooling fins as
contact may cause serious burns.
Don’t change the engine
governor setting or over speed the
engine.
VI. Engine/fuel warnings - do’s
VII. Engine/fuel warnings - don’ts
6
Your MANTIS Tiller comes partially
assembled. You must install only the
handlebars, the carrying handle, and the
tines. This will take just a few minutes if
you follow the directions.
First, take all items out of the
carton. But do not remove the cardboard
from around the tiller’s base.
The list at the right, shows the parts that
come with your tiller. Check to make sure
you have them.
The bag of hardware is in the plastic bag
containing the Owner’s Manual and Video.
To assemble your MANTIS Tiller,
you’ll need two 7/16" (11 mm)
spanners/wrenches. We suggest that you
install all nuts and bolts only “finger tight”
— that is, one-half to one full turn —
until you’ve completed assembly. The
nuts are self locking, but you must use
a spanner/wrench to tighten them
completely.
Assembly
WARNING•DANGER
IMPROPER ASSEMBLY OF THIS TILLER
CAN RESULT IN SERIOUS INJURY.
MAKE SURE TO FOLLOW ALL
INSTRUCTIONS CAREFULLY.
IF YOU HAVE ANY QUESTIONS
CONTACT, YOUR LOCAL AUTHORISED
MANTIS OFFICE.
!
!
Quantity Description *Key No.
1 Upper handle assembly 2
1 Upper handle throttle side assembly 1
2 Lower handles 6
1 Pair tiller/cultivator tines 39,40
1 Engine assembly (includes fender
guard & worm tear transmission) 20,21,55
1 Handle brace 8
1 Plastic carrying handle 42
1 Bag of hardware containing:
2 Cap screws 47
4 Lock nuts 48
2 Bolts 3” (7.62 cm) 49
2 Tine retaining pins 41
2 Handle clamps 51
1 Throttle clips 13
2 Bolts 52
2 Knobs 53
*These numbers are the same numbers shown on the parts
layout on page 18.
20,21,55
39
40
8
53
42
6
1
2
7
Assembly (continued)
HOW TO ASSEMBLE
LOWER HANDLES
To identify part numbers, see
pages 6 and 18.
1. Use the protective cardboard
sleeve to stabilise your tiller. Stand
the engine assembly (no. 21) up.
(Picture 1)
2. Lay the handle parts within
easy reach. You’ll need one of the
handle clamps (no. 51) and one of
the lower handles (no. 6). Note that
the lower handles have a short leg
on one end.
3. Fit the handle clamp along the
outside of the short leg. Line up the
holes on the clamp and the leg.
4. Choose one of the two 3-inch
(7.62 cm) bolts (no. 49). Slide it
through the first set of holes — near
the elbow where the lower handle
curves. (Picture 2 & 3)
5. Now slide the other lower
handle onto the 3-inch
(7.62 cm) bolt. Fit the other
clamp onto this other handle’s
short leg. Add a nut and tighten
finger tight. (Picture 3)
6. Locate the worm gear
housing. It starts just above —
and extends down through —
the tiller’s red fender guard.
You’ll notice that there’s a
recessed channel on either side of
the housing’s top. (Picture 4.)
7. Take the lower handles that
you’ve just put together. Slide them
into the two recessed
channels.(Picture 5.)
Make sure you insert them
from the rear of the tiller . . . so that
the bolt fits along the back of the
housing.
8. Slide the second 3-inch
(7.62 cm) bolt through the second
set of holes in the short legs. Add a
nut and tighten finger tight.
Picture 1
Picture 2
Picture 3
Picture 4 Picture 5
NOTE: THE LOCK NUTS ARE STAMPED. FINGER TIGHT IS
APPROXIMATELY 1/2 TO 1-1/2 TURNS.
WARNING • DANGER
REMOVE TINES BEFORE STARTING ENGINE
AND MAKING ADJUSTMENTS.
8
Assembly (continued)
How to assemble upper
handles and carrying
handle
1. Lightly squeeze the lower
handles (no. 6) toward one
another so that they line up with
the two smaller holes on the
carrying handle (no. 42). Then
slide the carrying handle over and
down the lower handles. It will
rest about 10 to 15 cm above the
fender. (Picture 1)
2. Gently pull the lower
handles out to their original
position.
3. Attach the upper handle
assembly (no. 1) – the handle with
the throttle cable and ground wire
– onto the right lower handle, and
secure with the handle knob (no.
53).
(Picture 2 and
3)
Note: If throttle handle is
mounted on the left, it will not
fold down as completely as when
mounted on the right.) Be sure
you have proper throttle
movements and that the throttle
cable is not wrapped or twisted
around the handle bar. Squeeze
trigger and let go.
THIS MUST BE DONE
BEFORE STARTING THE
ENGINE.
4. Follow the same steps to
install the other upper handle
onto the other lower handle.
(Picture 3)
5. Use the clip (no. 13) to
secure the throttle cable and wire
in place on the lower handle.
(Picture 4)
6. Now install the handle
brace. Line it up with the holes
on the upper handles. Then insert
a cap screw and a lock nut on
either side (Picture 5)
7. Use a spanner/wrench to
tighten cap screws and lock nuts.
8. Now use spanner/wrench to
tighten all nuts and bolts firmly
and securely.
IMPORTANT NOTE:
Make sure you have installed
the handles properly. When
you stand behind your tiller,
holding the handles, the fuel
tank is facing away from you,
on the front side of the engine.
Picture 3
Picture 2
Picture 1
Picture 4
Picture 5
WARNING: Improper throttle installation can cause
tines to rotate unexpectedly .
!
!
!
9
Assembly (continued)
WARNING • DANGER
FUEL IS EXTREMELY FLAMMABLE. HANDLE IT WITH
CARE. KEEP AWAY FROM IGNITION SOURCES. DO NOT
SMOKE WHILE FUELLING YOUR EQUIPMENT.
Assembling the tines
for tilling
1. Remove the cardboard from
around your tiller’s base.
2. Slide the tines onto the axle
shafts. The “D” hole goes on the
outside.
3. Make sure you’ve installed
the tines properly for tilling.
Liken the tines to your fingers.
When your palm faces the
ground, your fingers curl down.
Stand behind the tiller and hold
your hand next to the tines. Do
the tine blades curl down, as your
fingers do? If so, they are in the
tilling position. (To switch to the
cultivating position, see page 12.)
4. To secure each tine to the
axle, insert a tine retaining pin.
IMPORTANT NOTE:
Before you use your
MANTIS Tiller, read the
safety rules & warnings
on pages 3-5.
IMPORTANT NOTE:
Before starting your
Honda/Mantis Tiller, add the
premeasured 3.4 oz. (100 ml)
bottle of Honda 4 -stroke
engine oil. See Honda engine
manual for details.
!
!
IMPORTANT NOTE:
Check the oil level in the engine before each use. Place the
tiller on a level surface and rotate it forward until it rests on
it’s fuel tank. Remove the oil fill cap and make sure the oil is to
the top (about to overflow). If oil is low, top it off with 10W-30
before using. See your Honda engine manual for details.
Never use starting fluids as they will cause permanent engine damage. Using them will void the warranty.
Before you use the tiller, read the safety & warning rules on pages 3-6.
WARNING
AVOID ACCIDENTAL
BLADE ENGAGEMENT
DO NOT SQUEEZE THE
THROTTLE TRIGGER
WHEN STARTING.
MAINTAIN PROPER IDLE
SPEED ADJUSTMENT
(2500-3100 RPM)
TO START YOUR
TILLER FOR THE
FIRST TIME:
First, fill the fuel tank with the
proper amount of petrol (Use
branded 89 octane (R+M+2)
unleaded petrol or ethanol—
maximum 10% ethyl alcohol, or
15% MTBE, no methyl alcohol.)
Mantis Tiller starting
instructions (Honda 31cc
engine)
Cold engine
1. Place the o/I switch into the I
“start/on” position. (Picture 1)
2. Choke the engine (or close
the choke. Move choke to the
forward position.) (Picture 2)
3. Push primer bulb 6 times.
(Picture 3)
4. Pull grip slowly until you feel
resistance then pull briskly.
(Picture 4)
5. Once the engine is running,
slowly push the choke lever
back to the run position—the
engine will continue to run.
(Picture 5)
Warm engine
1. Push ignition switch to I
“start/on” position.
2. Pull grip slowly until you feel
resistance then pull briskly.
Make sure the choke is in the
open, or run, position.
NOTE: When the choke is
closed, never pull the cord more
than four or five times. Overpulling may cause flooding.
Follow these steps whenever
you are starting the engine
“cold”, or when the engine has
run dry and you have just added
fuel. Remember, always use
short, brisk pulls. Don’t give the
cord a long, forceful yank. And,
do not let the cord snap back
into the starter housing.
How to stop the engine
Simply push the o/I “stop/
start” switch to “o” (Picture 6).
This will stop the engine
10
Picture 4
Picture 5 Picture 6
Picture 1
Picture 2
Picture 3
Starting
!
!
instantly. If it should ever fail to do
so, just pull out the choke button.
The engine will stop at once.
About the choke
The choke controls the amount of
air drawn into the engine. Your tiller
will run only if the choke is open.
11
A special feature (with
the idle set properly and
the engine running)
Even when the engine is
running, the tines won’t turn
unless you press the throttle lever
on the handlebars. And, when
you release the throttle lever, the
tines will stop.
WARNING • DANGER
I
F ENGINE DOES NOT STOP WHEN SWITCH IS PUT IN THE STOP POSITION, RELEASE THE
THROTTLE, ALLOW ENGINE TO IDLE. PUT THE TILLER DOWN, AND SLIDE THE CHOKE LEVER
FORWARD TO THE COLD START (CLOSED) POSITION.
CHECK AND RETURN IGNITION SWITCH TO ON POSITION BEFORE STARTING ENGINE AGAIN.
Additional information
Walk it.
Once your tiller is running,
you can “walk” it to your
garden. Just press the throttle
lever gently and let the tiller
“tip-toe” across your yard on its
tines. It won’t hurt your lawn or
driveway. (Picture 1)
Carry it.
Make sure the engine is off.
Then use one hand to grasp the
convenient carrying handle. Use
the other hand to hold the
handlebars. (Picture 2) Then lift
your tiller and carry it to your
garden. Since it weighs only 24
pounds (11 kg), it won’t strain
your muscles or tire you out!
Take it for a ride.
You can easily transport your
MANTIS Tiller to a friend’s or
relative’s house. Just empty the
fuel tank. (This is crucial.)
Then stow your tiller in the
boot of your car or truck. It fits
easily. And you can put it in
and take it our without straining
your back.
How to get your tiller to your garden
A tip for extending your
engine’s life
After you start the engine, let
your tiller warm up for two to three
minutes before you use it. Then,
before you put your tiller away, let
it idle for a minute to give the
engine a chance to cool down.
Operation
With engine running, and both
hands on the handles, press the
throttle lock out button (Picture 4),
then squeeze the throttle trigger
gradually to increase the engine
speed and engage the tines.
NOTE: This step must be
repeated each time your tiller
trigger is released.
NOTE: Once the throttle trigger
is squeezed, you can release the
lockout button (Picture 5).
Picture 1
Picture 2
Picture 3
!
!
Picture 4 Picture 5
Tilling/cultivating
How about a familysize vegetable garden?
Nowadays many gardeners
prefer small gardens —
especially in the suburbs, where
space is at a premium. But, if
you’re fortunate enough to own a
large plot, you can create a
bigger garden — a half acre or
more. Here’s how:
1. First, hire someone with a
tractor or big tiller to break
ground for you. This is a onetime-only investment that’s well
worth the small cost.
2. Then, use your tiller to
break up any remaining clumps
of soil or sod. Unlike a tractor or
big tiller, your MANTIS Tiller is
a precision tool. It will pulverise
your soil into a smooth seed bed.
Your MANTIS Tiller
makes weeding a
pleasure!
As a tiller, your MANTIS
Tiller works the soil down to 10”
(25 cm) deep. But, as a
cultivator, it gently cultivates the
surface, only 2" to 3" (5 cm to
7.6 cm) deep.
First, you must switch the tines
to the weeding position. This
takes less than a minute.
Then, your MANTIS Tiller’s
sharp “tine teeth” will slice up
those pesky weeds, burying them
as you go along. And, since the
tines in this position won’t dig
too deep, they won’t hurt your
plants’ precious root systems.
The result? Your tiller will cut
your weeding time in half, and
turn a tiresome chore into a
pleasure.
How to switch from
tilling to cultivating
position
1. Make sure your tiller is off.
2. Remove the retaining pins
from the tines.
3. Remove the tines from the
axle.
4. Place the right-side tine onto
the left-side axle. Place the left
side tine onto the right-side axle.
The “D” hole should be to the
outside.
5. Here is how to make sure
you’ve installed the tines
properly. Stand behind the tiller
and hold your hand, palm up,
next to the tines. Do the tine
points curl up, as your fingers
do? If so, they are in the correct
cultivating position. (See photos
on Page 13)
6. Reinsert the pins.
WARNING • DANGER
IF YOUR TINES GET JAMMED OR ENTANGLED, SHUT OFF THE ENGINE AT ONCE.
REMOVE THE OBSTRUCTION WHILE THE ENGINE IS OFF.
NEVER TRY TO REMOVE AN OBSTRUCTION WHILE THE ENGINE IS RUNNING.
SERIOUS INJURY CAN RESULT.
! !
Picture 1
Picture 2
12
13
Now you’re ready to
cultivate or weed.
Guide your tiller where you
want to weed and start it up. Pull
your tiller backward slowly, then
let it move forward a bit, in a
gentle rocking motion. Watch it
slice, shred, and bury those
weeds!
Got tough weeds? Lighten your
pressure on the throttle to slow
your tiller down. Then work back
and forth until your tiller chops up
the weeds. It’s easy and effective!
Remember, any tiller will
tangle in tall grass, stringy vines,
or super-big weeds. So, if you
have a “backyard jungle,” first use
a knife, pruner, or brush cutter to
chop up the overgrowth. If the
tines become tangled anyway,
turn the engine off completely
before trying to clear them.
The optional tine Detangler
(Item no. 1322) will clear tines in
a jiffy. Contact your local
authorised Mantis office.
Your Mantis Tiller will
weed between narrow
rows!
Your Mantis Tiller is a
precision weeder that easily fits in
tight places. So don’t be afraid to
weed anywhere: between plants
and shrubs; in corners; against
fences; on raised beds; in wide
rows; even in very narrow rows.
Your Mantis Tiller weeds 15* to
23 cm wide. So you can run it in a
tightly planted garden without
damaging your delicate plants.
That’s good news for suburban
Cultivating
Tilling position
Tine teeth point in the same
direction as the rotation of the
tine; or toward the front of the
tiller, away from the operator.
Weeding position
Tine teeth point in the
opposite direction as the rotation
of the tine. Tines point toward
the back of the tiller, or toward
the operator.
gardeners, who often have to
plant rows close together!
*With optional Planter
tines attachment
(Item no. 62222.)
14
Maintenance
How to check the grease level inside the
worm gear housing
When we built your MANTIS Tiller, we lubricated the
worm gear housing thoroughly.
It is imperative that you inspect the grease level once a year.
Simply remove the cover plate on the worm gear housing.
(Picture 1) Then check to make sure the grease comes almost
to the top of the housing. If it doesn’t, add lithium no. 0 grease
(Item M9985.) This is the only way to add grease to the worm
gear housing. (Picture 1) To purchase Mantis grease, contact
your local authorised Mantis office.
Please do not overfill. Too much grease can create pressure,
which could cause seals to fail or the clutch to slip.
Picture 1
How to reseat the
flange
At some point, you may find
that the tines won’t turn when
you press the throttle. This may
mean the engine isn’t sitting all
the way down on the worm gear
housing.
Perhaps you’ve been using
your tiller for several years. The
flange bolt (Key no. 12, page
18) may have come loose and
lifted the engine up.
If this happened you’ll notice
a gap between the bottom of the
engine flange (Key no. 43, page
18) and the top of the worm gear
housing. (Picture 2)
To fix this, loosen the flange
bolt. Take the engine off the
worm gear housing. Notice the
hex head on top of the drive
shaft (Key no. 22, page 18).
Inside the flange housing, you’ll
find the clutch drum (Key no.
57, page 18). Make sure the hex
head lines up with the clutch drum
inside the flange housing.
Then put the engine back on the
worm gear housing. Make sure
the plastic carrying handle is not
under the engine.
If you’ve followed these steps
properly, there will be no gap
between the engine flange and the
worm gear housing. (Picture 3)
Make sure you tighten the flange
bolt!
Picture 2 … Note how the engine
doesn’t sit all the way down on the
transmission.
Picture 3… Note how the
engine sits all the way down on
the transmission.
15
Storage
WARNING • DANGER
DO NOT STORE IN AN AREA
WHERE FUEL FUMES MAY ACCUMULATE
AND REACH A FLAME OR SPARK.
Each autumn, or before you store your Mantis
Tiller for any long period, be sure to take these
measures:
1. Do not store your tiller with fuel still in it. Even
under ideal conditions, stored fuel can start to go
stale in 30 days. And, since stale fuel has a high
gum content, it can clog the carburettor, this, in
turn, will restrict fuel flow. Therefore, when you’re
ready to store your tiller, or will not be using it for
more than 2 weeks, drain the fuel tank completely.
2. Next, restart the engine to make sure no fuel is
left in the carburettor. Then, run the engine until it
stops. This will prevent gum deposits, forming
inside of the carburettor and possible engine
damage.
3. Disconnect spark plug wire and remove the
spark plug. Slowly pull the starter cord once.
4. Inspect the spark plug, and if necessary, clean it.
It your need to replace it, buy a NGK-CR5H5B.
5 Install the spark-plug, but leave the spark-plug
wire disconnected.
6. Clean the air filter.
7. Clean dirt, grass and other materials from the
entire machine.
8. Wipe the tines with oil or spray them with WD40, to prevent rusting.
9. Oil the throttle cable and all visible moving
part. (Do not remove the engine cover.)
You may store your Mantis Tiller with the handles
upright as in picture 1 or with the handles folded
down, as in picture 2.
Picture 1
Picture 2
!
!
Mantis Tiller assembly
Mantis Tiller assembly
KEY QTY MATERIAL
34 1 431 TINE SHAFT
35 2 430 WORM GEAR THRUST
WASHER
36 2 432 WORM GEAR BEARING
37 2 434 BEARING
38 2 435 BEARING SEAL RETAINER
39 1 438RA TINE ASSY - RT
40 1 438LA TINE ASSY - LT
41 2 418-1 TINE RETAINING HAIR PIN
42 1 400133 CARRYING HANDLE
43 1 400139 ENGINE FLANGE
44 1 400609 TINE LABEL
45 1 458 ROLLER BEARING
46 1 4058 MANTIS LABEL
47 2 410 CAP SCREW 1/4-20 X 1" LG.
48 4 972 LOCK NUT 1/4 - 20
49 2 470 1/4-20 X 3.25 BOLT
50 2 140 BOLT 1/4 - 20 X 3/8" LG.
51 2 377 HANDLE CLAMP
52 2 400509 BOLT
53 2 400510 KNOB
54 2 400230 PLUG
55 1 400010 TRANSMISSION ASSEMBLY
56 1 400132 BEARING
57 1 400138 CLUTCH DRUM
58 1 400134 FUEL TANK GUARD
59 2 400512 M5 X 13 - SELF TAPPING BOLT
60 4 400511 M6 X 12 - FLANGED BOLT
* Also in Key no. 55
KEY QTY MATERIAL
1 1 400256 TRIGGER HANDLE
ASSM. RH
2 1 400255 HANDLE ASSM. LH
6 2 400224 LOWER HANDLE -
FOLD DOWN
7 1 400620 LABEL
8 1 148 HANDLE BRACE
12 1 910502 10-32 X 3/4 -
FLANGED BOLT
13 2 478 THROTTLE CLIP
20 1 465 FENDER GUARD
21 1 400905 ENGINE ASSY - 31CC
HONDA
22* 1 468 DRIVE SHAFT
23 1 466 WORM GEAR
HOUSING
24 1 436 GASKET
25 1 437A HOUSING COVER
26 4 651 RD. HD. SELF
TAPPING SCREW
27 1 423 ROLLER BEARING
28 2 425 WORM BEARING RACE
29 1 424 WORM THRUST
BEARING
30 1 422 WORM SHAFT
31 1 426 WORM DISK
32 1 428 RETAINING RING
33 1 429 WORM GEAR
17
18
Troubleshooting
Problem Cause Remedy
1. Tines don’t turn when throttle – Engine is not seated properly on the gear housing. – Re-install engine following the instructions
is depressed
2. Engine fails to start – “
o/I” switch is in “o” position. – Move switch to “I”.
– No fuel in tank. – Fill Tank.
– Fuel filter clogged. – Replace filter.
– Fuel line clogged. – Clean fuel line.
– Spark plug shorted or fouled. – Install new spark plug.
– Spark plug is broken – Replace spark plug.
(cracked porcelain or electrodes broken)
– Ignition lead wire shorted, – Replace lead wire or attach to spark plug.
broken or disconnected from spark plug.
– Ignition inoperative – Contact your Mantis Service Department.
– Diaphragm clogged – Replace diaphragm
3. Engine hard to start – Water in petrol or stale fuel mixture. – Drain entire system and refill with fresh fuel mixture.
– Too much oil in fuel mixture. – Drain and refill with correct mixture.
– Engine under or over choked. – If flooded by over choking, proceed according to
instructions in operation section. If under choked,
move choke lever to closed position and crank two
or three times.
– carburettor out of adjustment. – See “carburettor Adjustment”
– Gasket leaks (carburettor or cylinder base gasket). – Replace gaskets.
– Weak spark at spark plug. – Contact your Mantis Service Department.
4. Engine misses – Dirt in fuel line or carburettor. – Remove and clean.
– carburettor improperly adjusted. – See “carburettor Adjustment”.
– Spark plug fouled, broken or incorrect gap setting. – Clean or replace spark plug – set gap to
(.024-.028 in.) 0.6-0.7 mm
– Weak or intermittent spark at spark plug. – Contact your Mantis Service Dept.
5. Engine lacks power – Air filter clogged. – Clean or replace air filter.
– carburettor out of adjustment. – See “carburettor Adjustment”.
– Muffler clogged. – Clean carbon from muffler.
– Clogged exhaust ports. – Remove muffler, rotate engine until the piston
is at top of cylinder. With a wooden scraper or
blunt tool, remove all carbon from exhaust
ports. Be careful not to scratch or damage
piston or cylinder walls. Blow out all loose
carbon with compressed air. Install muffler and
gasket.
– Spark Arrestor Clogged. – Clean Spark Arrestor
– Poor compression. – Contact your Mantis Service Department.
6. Engine overheats – Insufficient oil in fuel mixture – Mix fuel as described in starting instructions.
– Air flow obstructed – Clean flywheel cylinder fins and screen.
7. Engine noisy or knocking – Spark plug in incorrect heat range. – Replace with plugs specified for engine.
– Bearings, piston ring or cylinder walls are worn. – Contact your Mantis Service Department.
8. Engine stalls under load – carburettor adjustment too “lean”. – See “carburettor Adjustment”.
– Engine overheats. – Remove dust and dirt from between fins
19
Tines Guaranteed
Our tines not only work better
than the rest: they’re also
guaranteed for life against
breakage. If any tine breaks in
normal use, send the broken
tine back to us and we’ll send
you a replacement tine under
warranty.
Two-year Warranty
All components of the Mantis
Tiller/Cultivator are
warranted for a period of two
full years from the date of
purchase. If any part fails to
work because of defects in
materials or workmanship, we
will repair or replace the part
under warranty to you.
Lifetime Service
If you ever need Mantis parts,
we’ll get them right out to
you. If a major repair is ever
required, we’ll do it quickly
and reasonably.
Please have this information
when you call:
1. Date of purchase
2. Date machine was first
used
3. Serial Number, located on
top of engine
4. Customer number, if
available
Try any product you buy from Mantis with NO-RISK! If
you’re not completely satisfied, send it back to us within 1
year for a complete, no-hassle refund. All you have to pay
is the return insured postage.
Please Call us First!
If you are having any trouble with any Mantis product,
please call us. Ask for the Customer Service Dept. Usually,
we can solve most problems over the phone.
If you need to return a product – call first
Very few customers ever need to return a Mantis product,
but just in case you have to …here are some simple
instructions that will help us serve you quicker and better.
Please clean the product if it has been used. (Drain the tank
and remove dirt from machine).
Give us as much information as possible, so that we can
help you as quickly as possible.
Please provide information requested on form and send the
completed form with your product..
Limited warranty
information for Mantis
tiller
Mantis extends only to the
original consumer purchaser a
limited warranty against
defects in material and
workmanship for a period of
two years from date of
purchase. This warranty
covers all portions of the
Mantis Tiller.
Mantis will repair or, at its
option, replace any defective
part or parts of the product
free of charge. In the event of
a defect or malfunction, the
purchaser must return the
product to Mantis.
Mantis assumes no
responsibility in the event that
the product was assembled or
used in contravention of any
assembly, care, safety, or
operating instructions
contained in the Owner’s
Manual; was not used with
reasonable care; or was used
for other than normal and
intended purposes.
Mantis makes no express
warranties or representation
except those contained herein.
The duration of any implied
warranty, including
merchantability and fitness
for a particular purpose, is
limited to the duration of the
express warranty. Mantis
disclaims all liability for
indirect and/or consequential
damages.
The Mantis Promise
©2005 Mantis, Div. of Schiller-Pfeiffer, Inc. P/N 401733 04/05
Refund:
If you are requesting a refund, please tell us why:
® Product is different than I expected
® Not satisfied with performance
® Not satisfied with quality
® Other
Please, provide the following information if you return a product for repair
or if you request a refund.
Name:
Disassemble the machine or part, empty the petrol and wrap it in a sturdy box; send it back to us. Thank you.
For repair or refunds!
Repair:
If you return a product or part for repair or for a cost estimate, please
indicate what could be damaged.
Address: City, Postcode:
Phone (day): Phone (evening):
Customer No:
(not necessary but helpful)
Product(s) being returned:
For
®
Repair
®
Repair quotation
®
Refund
®
Other
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