Troy-Bilt 21A-644H766 Troybilt Tiller

Operator's Manual - Page 12

For 21A-644H766.

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Section3: FeaturesandControls
DepthRegulatorLever
This lever (G, Figure3-5) controls the
tilling depth of the tines. Pullthe lever
straight backand slide it up or down to
engagethe notched height settings.
The highest notch (lever all the way
down) raisesthe tines approximately 1-
1/2" off the ground. This "travel" setting
allows the tiller to be movedwithout the
tines digging into the ground. Also use
this setting when starting the engine.
Movethe lever upward to increasethe
tilling depth. The lowest notch allows a
tilling depth of approximately 6"-8",
dependingon soil conditions.
For best results, begin tilling at the
deepestdepth possiblewithout causing
the tiller to bog down. Increasethe tilling
depth from one pass over the soil to the
next.
Shallow
Travel
Position jG
Deep
_Settings
HandlebarHeightAdjustment
The handlebarheight is adjustableto
three different settings (see Figure 3-6).
As a general rule, adjust the handlebars
so they are at waist level when the tines
are 3"-4" into the soil.
To Adjustthe Handlebars:
1. Stop the engine, disconnectthe spark
plug wire from the spark plug and allow
the engineto cool.
2. Removethe screws, Iockwashers and
nuts, reposition the handlebars, and
reinstall the hardware.
Figure3-6: Handlebar height adjustment.
Anti-ReverseStake
This stake is locatedat the rear of the
transmission, under the tine hood (see H,
Figure 3-7). Its purpose is to automati-
cally help preventthe counter-rotating
tines from letting the tiller back up in the
direction of the operator if the tiller
wheels had beeninadvertently left in the
FREEWHEELposition. In this situation,
the Anti-Reverse Stake will beforced
down into the ground, lifting the tines
upward out of the soil and helping
prevent backward motion of the tiller.
TheAnti-ReverseStake requires no adjust-
ment, but should be inspected before
eachtiller useto verify that it swivels
freely. Remove any clogged materials
(dirt, roots, rocks, etc.) that preventthe
Anti-ReverseStakefrom swinging freely.
L_
Figure3-5: Depth regulator lever.
WARNING
Place the Depth Regulator
Lever in the "travel"
position before starting the
engine. This position
prevents the tines from
touching the ground until you
are ready to begin tilling.
Failure to follow this warning
could result in personal injury
or property damage.
H
Figure 3-7: Anti-ReverseStake.
ENGINECONTROLS
Referto the engine manufacturer's Engine
Owner's Manual (included in the tiller lit-
erature package)to identify the controls
on your engine.
IMPORTANT:The control for stopping the
engine is located on the engine.
12
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