Troy-Bilt 643B - Manuel (Page 9)

9
3
Features
and
Controls
WARNING
Before operating your
machine, carefully
read and understand
all safety, controls
and operating instruc-
tions in this Manual,
the separate Engine
Owner’s Manual, and
on the decals on the
machine. Failure to
follow these instruc-
tions can result in
serious personal
injury.
Use extreme care
when handling
gasoline. Gasoline is
extremely flammable
and the vapors are
explosive. Never fuel
the machine indoors
or while the engine
is hot or running.
Extinguish cigarettes,
cigars, pipes, and
other sources of
ignition.
Figure 3-1: Tiller featrues and controls. See separate Engine Owner’s Manual to identify engine controls.
INTRODUCTION
This Section describes the location and function of the
controls on your tiller. Refer to the following Section,
Operation for detailed operating instructions.
Practice using these controls, with the engine shut off,
until you understand the operation of the controls and
feel confident with each of them.
ENGINE CONTROLS
Refer to the engine manufacturer’s Engine Owner’s
Manual (included in the tiller literature package) to
identify the controls on your engine.
IMPORTANT: The control for stopping the engine is
located on the engine.
WHEEL DRIVE PINS
Each wheel is equipped with a wheel drive Klik pin
(A, Figures 3-2 and 3-3) that secures the wheel to the
wheel shaft (B). The wheels can be positioned in either
a WHEEL DRIVE or a FREEWHEEL mode.
WARNING: Never allow either of the
wheels to be in the FREEWHEEL
position when the engine is running.
Always put both wheels in the WHEEL
DRIVE position before starting the
engine.
Failure to comply could cause loss
of tiller control, property damage, or
personal injury.
Before starting the engine, put both wheels in the
WHEEL DRIVE position by inserting the wheel drive Klik
pins through the wheel hubs and the wheel shaft. Doing
so “locks” the wheels to the wheel shaft, causing the
wheels to turn when either the
Forward Clutch Bail (all models) or the Reverse Clutch
Control (Models 643B & 645A) is engaged.
Use the FREEWHEEL mode only when the engine is
not running. In FREEWHEEL, the wheel drive pins are
placed only through the holes in the wheel shaft (not
the wheel hubs), thus allowing the wheels to turn freely
when you manually move the tiller.
To place the wheels in WHEEL DRIVE or FREE-
WHEEL:
1. Stop engine, disconnect spark plug wire from spark
plug and allow engine to cool.
WARNING: Do not place tiller on
its side when changing wheel drive
positions. Doing so could result in
gasoline leaking from the fuel tank.
Failure to follow this instruction could
result in personal injury or property
damage.
2. Raise one wheel about one inch off the ground and
place a sturdy support under the transmission.
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