Operation - Troy-Bilt TUFFY 634A Operator's Manual

SECTION 4: OPERATION
_ ARNING:
Before
operating your machine,
carefully readand understand
all safety (Section 1), controls
(Section 3) and operating
instructions (Section 4) in this
Manual, the separateEngine
Owner's Manual,and on the
decals on the machine.
Failureto follow these
instructions can result in
serious personal injury.
INTRODUCTION
Readthis OperationSection and the sepa-
rate Engine Owner'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, level areaand 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-INOPERATION
Perform the following maintenanceafter
the first two (2) hours of new operation
(see MaintenanceSection in this manual
and in the Engine Owner's Manual).
1. Changeengine oil.
2. Checkfor loose or missing hardware on
unit. Tighten or replaceas needed.
3. Checktension on forward drive belt.
4. Checktransmission gear oil level.
STARTING AND STOPPING
Pre-Start Checklist
With the spark plug wire disconnected
from the spark plug, perform the following
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. Putthe wheels in the WHEELDRIVEpo-
sition (wheel pins must be through holes
in wheel hubs and wheel shaft).
3. Checkunit for loose or missing hard-
ware. Service as required.
4. Checkengine oil level. See Engine Own-
er's Manual.
Reverse Clutch Control
(Model634A)
Clutch Bail
,epth Regulator
/
DrivePin
Fig. 4-1
5. Checkthat all safety guards and covers
are in place.
6. Checkair cleanerand engine cooling
system. See Engine Owner's Manual.
,_ WARNING:
GASOLINE IS
HIGHLYFLAMMABLEAND ITS
VAPORSAREEXPLOSIVE.
Follow gasoline safety rules in
this Manual (seeSection 1) and
in the separate Engine Owner's
Manual.
Failureto follow gasoline safety
instructions can result in
serious personal injury and
property damage.
7. Fill the fuel tank with gasoline according
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
The following steps describe how to start
and stop the engine.
,_ WARNING: Do
not
attempt
to engagethe tines or wheels
until you have readall 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. Completethe Pre-Start Checkliston this
page.
2. Putthe wheels in the WHEEL DRIVEpo-
sition (see WheelDrive Pinsin Section3 of
this manual).
,_ WARNING: To help
prevent serious personal injury
or damageto equipment:
• Before starting engine, put both
wheels in the WHEELDRIVE position.
Never have wheels in FREEWHEEL po-
sition when engine is running. When
the wheels are in FREEWHEEL, they do
not hold back the tiller and the tines
could propel the tiller rapidly
forward or backward.
• Before starting engine, put Forward
Clutch Bail (all models) and Reverse
Clutch Control (Model 634A only) in
neutral (disengaged) positions by re-
leasing levers.
• Never run engine indoors or in en-
closed, poorlyventilatedareas. Engine
exhaust containscarbonmonoxide,an
odorlessand deadlygas.
• Avoidengine muffler and nearbyareas.
Temperaturesin these areas may ex-
ceed 150° F.
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's with 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
unitwhen pulling starter rope handle.Then
use recoil starter to start engine, as in-
structed in the Engine Owner'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