Troy-Bilt 644H manual FeaturesandControls, ReverseClutchControl, 4:ForwardClutchBailEandReverse

Section3: FeaturesandControls

4.FORWHEELDRIVEmode (Figure 3-2): Slidethe wheel outward and align the holes in the wheel hub (D, Figure3-2)) and the wheel shaft (B). Insert the wheel drive pin (A) through the wheel hub and the wheel shaft. Securethe wheel drive

pinwith 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): Slidethe wheel inward and insert the wheel drive pin(A, Figure 3-3) only through the hole in the wheel shaft (B). Securethe wheel drive pin with the hairpin cotter (C) by pushingthe hairpin cotter in as far as it will go. Repeatfor the other wheel and then remove the support from beneaththe transmission.

I

D,

Figure3-2: WHEELDRIVEposition,

I

Forward Clutch Bail

The Forward Clutch Bail (E, Figure3-4) controls the engagement of forward drive

to the wheelsand power to the tines.

NOTE: The wheelswill rotate in a forward

direction; the tines will rotatecounter-

clockwise (backwardtoward the operator).

To Operate the ForwardClutchBail:

1.Put the wheels in the WHEELDRIVE

position (see the following "WARNING" statement).

2.Lift and hold the bail againstthe handlebar. The wheels and tines will rotate- and the tiller 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 reversedrive to the wheels and tines. This powered reversing feature is used for maneuvering the tiller only - never engagethe tines in

the ground while going in the reverse direction.

To Operate the Reverse ClutchControl:

1.Operateonly when the wheelsare in the WHEELDRIVEposition(seethe "WARNING" statement at the left).

2.Stop all tiller motion by releasing the Forward Clutch Bail.

3.Lift up the 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 reversedirection.

4.Releasethe reverseclutch control

knob to disengage (stop) the wheels and tines. All reversemotion will stop (the enginewill continue to run).

WARNING

•Use extreme caution when 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.

B

Figure3-3: FREEWHEELposition.

Figure3-4:ForwardClutchBail(E)andReverse

ClutchControl(F).

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