DescriptionThis video provides step-by-step repair instructions for replacing the drive control cable on a Troy-Bilt lawn mower (model 12AVB2RQ766). The most common reason for replacing this part is if the self-driving feature is not working properly.
All of the information for this replacement video is applicable to the following brands:
Troy-Bilt
Step-By-Step Instructions1
Troy-bilt Lawn Mower - Model 12AVB2RQ766
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Lawn Mower Drive Control Cable Replacement
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Tools & Assistance Needed
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"You will need a 3/8th inch socket, a Philips-head screwdriver, a small flat-head screwdriver, and needle-nose pliers for this procedure, and you may need assistance."
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"Before you begin, confirm the engine has cooled."
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Be sure there is little or no fuel in the tank.
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"For safety, detach the ignition coil wire from the spark plug to prevent the engine from accidentally starting."
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Tip the lawn mower back and use a weight to hold the handle assembly down.
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Use the 3/8th inch socket to unthread the seven lower screws securing the front transmission cover.
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Unthread the two upper screws securing the cover.
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Pull the wheel adjustment lever outward so you can fully detach the cover.
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Use the needle-nose pliers to depress the tabs to release the drive control cable from the transmission.
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Detach the end of the cable from the support.
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Remove the weight and return the lawn mower to its upright position.
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Use the Philips-head screwdriver to unthread the lower drive control handle housing screw.
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Insert the small flat-head screwdriver into the hole in the housing and depress the tab to release the cable access cover.
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Detach the end of the cable from the drive control handle.
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"If necessary, cut any zip-tie retainers, and remove the old component."
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"To install the new drive control cable, attach the upper end of the cable to the drive control handle, align the adjuster, and snap the access cover closed."
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Tip the mower back and hold the handle down with the weight.
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Attach the opposite end of the new cable to the support and snap the cable into place on the transmission.
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Hold the axle assembly in place as you reposition the front transmission cover by first inserting the tab under the belt slot in the deck.
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Make sure the drive cable is positioned in the notch in the cover.
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Pull the wheel adjustment lever outward to properly align the front of the cover.
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"Replace the nine screws to secure the cover, starting with the lower middle screw."
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Remove the weight and return the lawn mower to its upright position.
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Secure the new drive control cable with a new zip-tie retainer if necessary.
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"Reattach the ignition coil wire to the spark plug, and refill the fuel tank if necessary."
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Congrats! Your lawn mower is ready for use.