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Troy-Bilt Lawn Mower Front Axle Replacement (911-04150)

05:32
261
1
This video provides step-by-step repair instructions for replacing the front axle on a Troy-Bilt lawn mower (model 12AVB2RQ766). The most common reason for replacing this part is if the mower is not rolling properly.

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 Axle Assembly Replacement
3
Tools & Assistance Needed
4
"You will need a 9/16th inch socket, a 3/8th inch socket, and a small flat-head screwdriver for this procedure, and you may need assistance."
5
Hot Hazard
6
"Before you begin the procedure, make sure 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
Tip the lawn mower back and use a weight to hold the handle assembly down.
12
"Using the 9/16th inch socket, unthread the nuts securing the two front wheels."
13
Remove both wheels.
14
"Slide off the two drive gears, along with the wheel guards."
15
Use the 3/8th inch socket to unthread the seven lower screws securing the front transmission cover.
16
Unthread the two upper screws securing the cover.
17
Pull the wheel adjustment lever outward so you can fully detach the cover.
18
Remove the two drive shaft bearings.
19
Slide the old front axle assembly off.
20
"To prepare the new front axle assembly for installation, transfer the wheel adjustment lever handle from the old assembly to the new one – use the small flat-head screwdriver to help do this."
21
Align the new assembly on the transmission support.
22
Slide the two drive shaft bearings onto the axle and fully insert them into the axle plates.
23
Make sure the bearings are positioned in the notches in the support.
24
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.
25
Make sure the drive cable is positioned in the notch in the cover.
26
Pull the wheel adjustment lever outward to properly align the front of the cover.
27
"Replace the nine screws to secure the cover, starting with the lower middle screw."
28
Reposition the wheel guards followed by the two drive gears.
29
"Align the two front wheels, and thread the nuts to secure them."
30
Remove the weight and return the lawn mower to its upright position.
31
"Reattach the ignition coil wire to the spark plug, and refill the fuel tank if necessary."
32
Congrats! Your lawn mower is ready for use.
Description
This video provides step-by-step repair instructions for replacing the front axle on a Troy-Bilt lawn mower (model 12AVB2RQ766). The most common reason for replacing this part is if the mower is not rolling properly.

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 Axle Assembly Replacement
3
Tools & Assistance Needed
4
"You will need a 9/16th inch socket, a 3/8th inch socket, and a small flat-head screwdriver for this procedure, and you may need assistance."
5
Hot Hazard
6
"Before you begin the procedure, make sure 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
Tip the lawn mower back and use a weight to hold the handle assembly down.
12
"Using the 9/16th inch socket, unthread the nuts securing the two front wheels."
13
Remove both wheels.
14
"Slide off the two drive gears, along with the wheel guards."
15
Use the 3/8th inch socket to unthread the seven lower screws securing the front transmission cover.
16
Unthread the two upper screws securing the cover.
17
Pull the wheel adjustment lever outward so you can fully detach the cover.
18
Remove the two drive shaft bearings.
19
Slide the old front axle assembly off.
20
"To prepare the new front axle assembly for installation, transfer the wheel adjustment lever handle from the old assembly to the new one – use the small flat-head screwdriver to help do this."
21
Align the new assembly on the transmission support.
22
Slide the two drive shaft bearings onto the axle and fully insert them into the axle plates.
23
Make sure the bearings are positioned in the notches in the support.
24
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.
25
Make sure the drive cable is positioned in the notch in the cover.
26
Pull the wheel adjustment lever outward to properly align the front of the cover.
27
"Replace the nine screws to secure the cover, starting with the lower middle screw."
28
Reposition the wheel guards followed by the two drive gears.
29
"Align the two front wheels, and thread the nuts to secure them."
30
Remove the weight and return the lawn mower to its upright position.
31
"Reattach the ignition coil wire to the spark plug, and refill the fuel tank if necessary."
32
Congrats! Your lawn mower is ready for use.

Applicable Product Model

Lawn Mower
Brand
Product Type
Model
Subtype
Product Diagram & Manuals
Parts Needed
Axle
Axle
$45.58
Total$0.00

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