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Troy-Bilt Lawn Mower Front Transmission Cover Replacement (731-07790)

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This video provides step-by-step repair instructions for replacing the front transmission cover on a Troy-Bilt lawn mower (model 12AVB2RQ766). The most common reason for replacing this part is if it is damaged.

All of the information for this replacement video is applicable to the following brands:
Troy-Bilt

Step By Step Instructions

1
Troy-bilt Lawn Mower - Model 12AVB2RQ766
2
Lawn Mower Front Transmission Cover Replacement
3
Tools & Assistance Needed
4
"You will need a 3/8th inch socket for this procedure, and you may need assistance."
5
Hot Hazard
6
"Before you begin, confirm the engine has cooled."
7
Spill Hazard
8
Be sure there is little or no fuel in the tank.
9
"For safety, detach the ignition coil wire from the spark plug to prevent the engine from accidentally starting."
10
Heavy Hazard
11
Now tip the lawn mower back and use a weight to hold the handle assembly down.
12
Use the 3/8th inch socket to unthread the seven lower screws securing the front transmission cover.
13
"Next, unthread the two upper screws securing the cover."
14
Pull the wheel adjustment lever outward so you can fully detach the old cover.
15
"When installing the new front transmission cover, hold the axle assembly in place as you insert the cover tab under the belt slot in the deck."
16
Make sure the drive cable is positioned in the notch in the cover.
17
Pull the wheel adjustment lever outward to properly align the front of the cover.
18
"Replace the nine screws to secure the cover, starting with the lower middle screw."
19
Remove the weight and return the lawn mower to its upright position.
20
"Reattach the ignition coil wire to the spark plug, and refill the fuel tank if necessary."
21
Congrats! Your lawn mower is ready for use.
Description
This video provides step-by-step repair instructions for replacing the front transmission cover on a Troy-Bilt lawn mower (model 12AVB2RQ766). The most common reason for replacing this part is if it is damaged.

All of the information for this replacement video is applicable to the following brands:
Troy-Bilt
Step-By-Step Instructions
1
Troy-bilt Lawn Mower - Model 12AVB2RQ766
2
Lawn Mower Front Transmission Cover Replacement
3
Tools & Assistance Needed
4
"You will need a 3/8th inch socket for this procedure, and you may need assistance."
5
Hot Hazard
6
"Before you begin, confirm the engine has cooled."
7
Spill Hazard
8
Be sure there is little or no fuel in the tank.
9
"For safety, detach the ignition coil wire from the spark plug to prevent the engine from accidentally starting."
10
Heavy Hazard
11
Now tip the lawn mower back and use a weight to hold the handle assembly down.
12
Use the 3/8th inch socket to unthread the seven lower screws securing the front transmission cover.
13
"Next, unthread the two upper screws securing the cover."
14
Pull the wheel adjustment lever outward so you can fully detach the old cover.
15
"When installing the new front transmission cover, hold the axle assembly in place as you insert the cover tab under the belt slot in the deck."
16
Make sure the drive cable is positioned in the notch in the cover.
17
Pull the wheel adjustment lever outward to properly align the front of the cover.
18
"Replace the nine screws to secure the cover, starting with the lower middle screw."
19
Remove the weight and return the lawn mower to its upright position.
20
"Reattach the ignition coil wire to the spark plug, and refill the fuel tank if necessary."
21
Congrats! Your lawn mower is ready for use.

Applicable Product Model

Lawn Mower
Brand
Product Type
Model
Subtype
Product Diagram & Manuals
Parts Needed
Total$0.00

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