Troy-Bilt 645AMBRONCO Tiller User Manual


 
Section3: FeaturesandControls
4. FORWHEELDRIVEmode (Figure3-2):
Slide the wheeloutward and align the
holes in the wheel hub (D, Figure3-2))
and the wheelshaft (B). Insert the wheel
drive pin (A) through the wheel hub and
the wheel shaft. Securethe wheel drive
pin with the hairpin cotter (C) by pushing
the hairpin cotter in as far as it will go.
Repeatfor the other wheel and then
removethe support from beneaththe
transmission.
5. FORFREEWHEELmode(Figure 3-3):
Slide the wheel inwardand insert the
wheel drive pin (A, Figure3-3) only
through the hole in the wheel shaft (B).
Secure the wheeldrive pin with the
hairpin cotter (C) by pushing the hairpin
cotter in asfar as it will go. Repeatfor the
other wheel and then removethe support
from beneaththe transmission.
I
Figure3-2: WHEELDRIVEposition.
I
D
B
Figure3-3: FREEWHEELposition.
Forward Clutch Bail
The Forward ClutchBail (E, Figure3-4)
controls the engagementof forward drive
to the wheelsand power to the tines.
NOTE: Thewheels will rotate in a forward
direction; the tines will rotatecounter-
clockwise (backwardtoward the operator).
To Operatethe Forward ClutchBail:
1. Put the wheels in the WHEELDRIVE
position (see the following "WARNING"
statement).
2. Lift and hold the bail againstthe
handlebar. The wheels andtines will
rotate- and thetiller will move in a
forward direction.
3. Releasethe bail to disengage(stop)
the wheelsandtines. Forwardtiller motion
will stop (the engine will continue to run).
WARNING
Before starting the engine, be
sure that both wheels are in
the WHEEL DRIVE position.
See "Wheel Drive Pins" for
instructions.
Engaging the Forward Clutch
Bail or the Reverse Clutch
Control when the wheels are
not in the WHEEL DRIVE
position could allow the tines
to rapidly propel the tiller
forward or backward.
Failure to comply could cause
loss of tiller control, property
damage, or personal injury.
ReverseClutchControl
The ReverseClutch Control (F, Figure3-4)
controls the engagementof reverse drive
to the wheels and tines. This powered
reversingfeature is used for maneuvering
the tiller only - never engagethe tines in
the ground while going in the reverse
direction.
To Operatethe ReverseClutchControl:
1. Operateonly when the wheels are in
the WHEELDRIVEposition (seethe
"WARNING"statement at the left).
2. Stop all tiller motion by releasingthe
ForwardClutch Bail.
3. Lift upthe handlebaruntil the tines
clear the ground, look behindyou to avoid
any obstacles, and then pull the reverse
clutch control knob toward you. The
wheels will rotate in a reverse direction.
4. Releasethe reverseclutch control
knob to disengage (stop) the wheels and
tines. All reversemotion will stop (the
engine will continue to run).
WARNING
Use extreme cautionwhen
reversing or pulling the
machine towards you. Look
behind to avoid obstacles.
Never attempt to till in
reverse.
Failure to follow this warning
could result in personal injury
or property damage.
Figure34: FonvardClutchBail (E)andReverse
ClutchControl(F).
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