Troy-Bilt TUFFY 1634A Operator's Manual page 11

_ WARNING:
Use extreme
_-- _ caution when reversing or
A
Y
pulling the machine towards
,,_- D you. Look behind to avoid
obstacles.
Never attempt to till in reverse.
Failureto follow this warning
could result in personal injury
or property damage.
To operatethe ReverseClutchControl:
1. Put wheels in WHEELDRIVEposition
(see "WARNING" statement at the left).
2. Stop all tiller motion by releasing the
Figure3-3: FREEWHEEL position.
Forward Clutch Bail.
WARNING:
Beforestarting 3. Lift the handlebar until the tines clear
engine, be sure that both the ground, look behind you to avoid any
wheels are in WHEEL DRIVE obstacles, and then pull the control knob
position. See WheelsDrive Pins (F, Figure3-4) out. The wheels and tines
for instructions, will rotate in a reverse direction.
Engagingthe Forward Clutch 4. Releasethe control knob to disengage
Bail or ReverseClutch Control (stop) the wheels andtines (the engine will
(if equipped) when the wheels continue to run).
are not in WHEEL DRIVEcould
allow the tines to rapidly propel
the tiller forward or backward.
Failureto comply could cause
loss of tiller control, property
damage, or personal injury.
FORWARD CLUTCHBAIL
The Forward Clutch Bail (E, Figure3-4)
controls the engagement of forward drive F
to the wheels and tines. E
To operate the ForwardClutchBail:
1. Put wheels in WHEELDRIVEposition Figure 3-4:AII models havea Forward Clutch
(see "WARNING" statement above). Bail(E). OnlyMode1634A havea Reverse
ClutchControl(F).
2. Lift and hold the clutch bail (E, Figure 3-
4)againstthehandlebartostartthewheels DEPTH REGULATOR LEVER
and tines rotating in a forward direction.
This lever (G, Figure 3-5) controls the till-
3. Releasethe clutch bail to disengage ing depth of the tines. Pull the lever back
(stop) the wheels andtines (the engine will and slide it up or down to engagethe
continue to run). notched height settings.
REVERSE CLUTCHCONTROL The"travel position" (highest notch) raises
(Model 634A only) the tines approximately 1-1/2" off the
ground, allowing the tiller to be moved
The ReverseClutch Control (F,Figure 3-4) without the tines contacting the ground.
controls the engagement of reverse drive This setting should also be used when
to the wheels and tines. The reversing fea- starting the engine.
ture is used for maneuveringthe tiller
only-- never engage the tines in the Moving the lever upward will increase the
tilling depth. The lowest notch allows a till-
ground while operatingin reverse.
ing depth of approximately 6", depending
on soil conditions. For best results, always
begintilling at a very shallow depth setting
and gradually increasethe tilling depth.
WARNING: Do
not
attempt
to till too deeplytoo quickly.
Graduallywork down to deeper
tilling depths.
Placethe Depth Regulator
Lever in the "travel" position
before starting the engine. This
position prevents thetines from
touching the ground until you
are readyto begin tilling.
Failureto follow this warning
could result in personalinjury
or property damage.
Travel Position
Figure3-5: Depth Regulator Lever (G).
HANDLEBAR HEIGHT ADJUSTMENT
Thehandlebar height is adjustable to three
different settings (Figure 3-6). In general,
adjust the handlebars so they are at waist
level when the tines are 3"-4" in the soil.
To adjustthe handlebars:
1. Stop engine, disconnect spark plug wire
from spark plug and allow engine to cool.
2. Remove hardware, reposition handle-
bars, and reinstall hardware securely.
High
Medium
Figure3-6: Handlebar height adjustment.
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