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Troy-Bilt Lawn Mower Engine Housing Replacement (931-04535B)

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

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 PR2397358EngineHousingMod12AVB2RQ766
2
Lawn Mower Engine Housing Replacement
3
Tools & Assistance Needed
4
"You will need a 5/8th inch socket, 3/8th inch socket, a torque wrench, and a blade removal tool 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
Sharp Hazard
13
Use a wood block or the blade removal tool to secure the blade.
14
Use the 5/8th inch socket to unthread the bolt securing the blade adapter and blade.
15
Set the blade and mounting plate aside.
16
Use the 3/8th inch socket to unthread the two mounting screws securing the engine housing.
17
Remove the old housing.
18
"To install the new engine housing, insert the housing tab into the belt slot in the deck as you position the new housing over the blade adapter."
19
Thread the mounting screws to secure.
20
"With the cutting edge facing downward, realign the blade on the adapter, reposition the mounting plate and thread the bolt."
21
"Use the torque wrench to torque the bolt to manufacturer’s specifications to fully secure the blade, then remove the wood block or blade removal tool."
22
Remove the weight and return the lawn mower to its upright position.
23
"Reattach the ignition coil wire to the spark plug, and refill the fuel tank if necessary."
24
Congrats! Your lawn mower is ready for use.
Description
This video provides step-by-step repair instructions for replacing the engine housing on a Troy-Bilt lawn mower (model 12AVB2RQ766). The most common reason for replacing this part is if it is damaged or if it is hitting the blade.

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 PR2397358EngineHousingMod12AVB2RQ766
2
Lawn Mower Engine Housing Replacement
3
Tools & Assistance Needed
4
"You will need a 5/8th inch socket, 3/8th inch socket, a torque wrench, and a blade removal tool 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
Sharp Hazard
13
Use a wood block or the blade removal tool to secure the blade.
14
Use the 5/8th inch socket to unthread the bolt securing the blade adapter and blade.
15
Set the blade and mounting plate aside.
16
Use the 3/8th inch socket to unthread the two mounting screws securing the engine housing.
17
Remove the old housing.
18
"To install the new engine housing, insert the housing tab into the belt slot in the deck as you position the new housing over the blade adapter."
19
Thread the mounting screws to secure.
20
"With the cutting edge facing downward, realign the blade on the adapter, reposition the mounting plate and thread the bolt."
21
"Use the torque wrench to torque the bolt to manufacturer’s specifications to fully secure the blade, then remove the wood block or blade removal tool."
22
Remove the weight and return the lawn mower to its upright position.
23
"Reattach the ignition coil wire to the spark plug, and refill the fuel tank if necessary."
24
Congrats! Your lawn mower is ready for use.

Applicable Product Model

Lawn Mower
Brand
Product Type
Model
Subtype
Product Diagram & Manuals
Parts Needed
Housing
Housing
$14.24
Total$0.00

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