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SECTION 4: OPERATION
WARNING:
Before
Reverse Clutch Control
operating your machine,
(Models634F/634B)
carefully readand understand
all safety (Section 1), controls
(Section 3) and operating
instructions (Section 4) in this
Manual, the separate Engine
Owner's Manual,and on the
Clutch
Bail
decals on the machine.
Failureto follow these
instructions can result in
serious personal injury.
INTRODUCTION
Readthis OperationSection and the sepa-
rate EngineOwner's Manual before you
start the engine. Then, take the time to fa-
miliarize yourself with the basic operation
of the tiller before using it in the garden.
Findan open, levelarea and practice using
the tiller controls without the tines engag-
ing the soil (put tines in "travel" setting).
Only after you've become completely fa-
miliar with the tiller should you begin using
it in the garden.
BREAK-IN OPERATION
Perform the following maintenanceafter
the first two (2) hours of new operation
(see Maintenance Section in this manual
and in the Engine Owner's Manual).
1. Changeengine oil.
2. Checkfor loose or missing hardwareon
unit. Tighten or replace as needed.
3. Checktension on forward drive belt.
4. Checktransmission gear oil level.
STARTING ANDSTOPPING
Pre-Start Checklist
With the spark plug wire disconnected
from the spark plug, perform thefollowing
checks and services before each use:
1. Readthe Safetyand Controls Sections
in this manual. Readthe separate Engine
Owner's Manual provided with the unit.
2. Put the wheels in the WHEEL DRIVE
position (wheel pins must be through
holes in wheel hubs and wheel shaft).
3. Check unit for loose or missing hard-
ware. Service as required.
4. Checkengine oil level. See Engine
Owner's Manual.
Pin
Fig.4-1
5. Checkthat all safety guards and covers
are in place.
6. Checkair cleaner and engine cooling
system. See Engine Owner's Manual.
WARNING:
GASOLINEIS
HIGHLYFLAMMABLEAND ITS
VAPORSAREEXPLOSIVE.
Follow gasolinesafety rules in
this Manual (see Section 1) and
in the separateEngine Owner's
Manual.
Failureto follow gasolinesafety
instructions can result in
serious personal injury and
property damage.
7. Fillthe fuel tank with gasolineaccording
to the directions in the separate Engine
Owner's Manual. Follow all instructions
and safety rules carefully.
8. Attach spark plug wire to spark plug.
Starting the Engine
Thefollowing steps describe how to start
and stop the engine.
WARNING:
Do not attempt
to engagethe tines or wheels
until you haveread all of the
operating instructions in this
Section. Also, review the safety
rules in Section 1: Safety,and
the tiller and engine controls
information in Section 3:
Featuresand Controls.
1. Complete the Pre-Start Checklist on
this page.
2. Putthe wheels in the WHEELDRIVEpo-
sition (see WheeIDrive Pins in Section 3 of
this manual).
_
ARNING:
To help
prevent serious personal injury
or damageto equipment:
• Beforestarting engine, putbothwheels
in the WHEEL DRIVE position. Never
have wheels in FREEWHEELposition
when engine is running.
When the
wheels are in FREEWHEEL, t hey do not
hold back the tiller and the tines could
propelthe tiller rapidly
ward or backward.
•
Before starting engine, put Forward
Clutch Bail (all models) and Reverse
Clutch Control (Models 634F/634B only)
in neutral (disengaged) positionsby re-
leasing levers.
•
Never run engine indoors or in en-
closed, poorly ventilated areas. Engine
exhaust contains carbon monoxide, an
odorlessand deadlygas.
• Avoidengine mufflerand nearbyareas.
Temperaturesin theseareas may exceed
150oF.
3. Move the Depth Regulator Lever all the
way down to the "travel" position, so that
the tines clear the ground.
4. Releaseall controls on the tiller.
5. On engine'swith a fuel shut-off valve,
turn valve to open position, as instructed
in the separate Engine Owner's Manual.
6. Put ignition switch and/or throttle con-
trol lever located on engine in the "ON",
"RUN", "FAST"or "START"position, as in-
structed in the Engine Owner's Manual.
7. Chokeor prime engine,as instructed in
Engine Owner's Manual.
8. Put one hand on fuel tank to stabilize
unit when pulling starter rope handle.
Then use recoil starter to start engine,as
instructed in the EngineOwner's Manual.
Whenengine starts, gradually move choke
lever (if so equipped) to "NO CHOKE",
"CHOKEOFF"or "RUN" position.
9. Use the "FAST"throttle speed setting
when tilling.
12
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