Manual

5.Iftheunitshouldstarttovibrateabnor-
mally,stoptheengine,disconnectthe
sparkplugwireandpreventitfromtouch-
ingthesparkplug,andcheckimmediately
forthecause.Vibrationisgenerallya
warningoftrouble.
6.Stoptheengine,disconnectthespark
plugwireandpreventitfromtouchingthe
sparkplug,wheneveryouleavetheoperat-
ingposition,beforeuncloggingthetines,
orwhenmakinganyrepairs,adjustments
orinspections.
7.Takeallpossibleprecautionswhenleav-
ingthemachineunattended.Stoptheen-
gine.Disconnectthesparkplugwireand
moveitawayfromthesparkplug.Besure
thatbothwheelsareintheWheelDrivepo-
sition.
8.Beforecleaning,repairing,orinspect-
ing,stoptheengineandmakecertainall
movingpartshavestopped.Disconnect
thesparkplugwireandpreventitfrom
touchingthesparkplugtopreventacci-
dentalstarting.
9.Theflaponthetinehoodmustbedown
whenoperatingthetiller.
10.Neverusethetillerunlessproper
guards,plates,orothersafetyprotective
devicesareinplace.
11.Donotruntheengineinanenclosed
area.Engineexhaustcontainscarbon
monoxidegas,adeadlypoisonthatis
odorless,colorless,andtasteless.
12.Keepchildrenandpetsaway.
13. Neveroperatethe tiller underengine
powerif thewheels arein the Freewheel
position.In the Freewheelposition, the
wheelswill not hold the tiller back andthe
revolvingtines could propel the tiller rapid-
ly,possibly causingloss of control. Always
engagethe wheels with the wheel drive
pins in theWheel Drive position before
starting the engine or engaging the
tines_vheelswith the Forward Clutch Bail
(all models) or the ReverseClutch control
(Models 643B & 645A only).
14. Be aware that the tiller may unex-
pectedlybounceupwardor jumpforward
if thetines shouldstrike extremelyhard
packedsoil, frozen ground,or buried ob-
stacleslike largestones,roots,or
stumps.
If indoubtaboutthe tilling conditions,al-
ways usethe following operating precau-
tionstoassistyouin maintainingcontrol
of thetiller:
a. Walk behindandto one side of the
tiller, usingone handon thehandle
barsRelax yourarm, but usea
securehandgrip.
b. Useshallowerdepthregulator
settings,working graduallydeeper
with each pass.
c. Useslowerenginespeeds.
d. Clearthetilling area of all large
stones,rootsor other debris.
e. Avoidusingdownwardpressureon
thehandlebars.If needbe, use
slight upwardpressureto keepthe
tinesfrom diggingtoodeeply.
f. Beforecontacting hardpackedsoil
at the endof a row, reduceengine
speedand lift thehandlebarsto
raise the tines out of the soil.
g. In an emergency, stopthetinesand
wheels byreleasingwhichever
clutch controlis engaged.Do not
attemptto restrainthetiller.
15. Do not overloadthe tiller's capacityby
attempting to till too deeply at too fast a
rate.
16. Neveroperate the tiller at high trans-
port speeds on hard or slippery surfaces.
Look behind and usecare when backing
up.
17. Donot operatethe tiller on aslope that
is too steep for safety.When on slopes,
slow down and makesure you have good
footing. Neverpermit thetiller to freewheel
down slopes.
18. Neverallow bystanders nearthe unit.
19. Onlyuse attachmentsand accessories
that are approved by the manufacturer of
the tiller.
20. Usetiller attachmentsand accessories
when recommended.
21. Neveroperatethe tiller without good
visibility or light.
22. Neveroperatethe tiller ifyou aretired;
or underthe influence of alcohol, drugs or
medication.
23. Operatorsshall not tamper with the en-
gine-governor settings onthe machine;
the governor controls the maximum safe
operating speed to protectthe engine and
all moving parts from damagecaused by
overspeed.Authorized service shall be
sought if a problem exists.
24. Do not touch engine parts which may
behot from operation.Letparts cool down
sufficiently.
25. Pleaseremember:Youcanalwaysstop
the tines and wheels by releasingthe For-
ward Clutch Bailor on Models 643B &
645Athe ReverseClutch control, (which-
evercontrol isengaged),or bymoving the
ignition switch and/orthrottle control lever
on the engineto "OFF" or "STOP".
26. To load or unloadthe tiller, seethe in-
structions in Section4 of this Manual.
27. Useextreme caution when reversing
or pulling the machinetowards you.
28. Startthe enginecarefully accordingto
instructions and with feet well away from
the tines.
29. Neverpick up or carry a machinewhile
the engineis running.
MaintenanceandStorage
1. Keepthe tiller, attachmentsand acces-
sories in safeworking condition.
2. Checkall nuts, bolts, and screws for
proper tightness to besure the equipment
is in safeworking condition.
3. Neverstore thetiller with fuel in the fuel
tank inside abuilding where ignition sourc-
esare presentsuchas hot waterandspace
heaters, furnaces, clothes dryers, stoves,
electric motors, etc.). Allow the engine to
cool before storing the unit in any enclo-
sure.
4. To reducethe chances of a fire hazard,
keepthe enginefree of grass, leaves,or ex-
cessivegrease.
5. Store gasoline in acool, well-ventilated
area, safely awayfrom any spark- or
flame-producing equipment. Store gaso-
line in an approvedcontainer, safely away
from the reachof children.
6. Referto the Maintenancesections of
this Manual and the separateEngineOwn-
er's Manual for instructions if the unit is to
bestored for an extendedperiod.
7. Neverperform maintenancewhile the
engineis running orthe spark plug wire is
connected,except when specifically in-
structed to do so.
8. Ifthe fuel tank hasto be drained, dothis
outdoors.