Ariens Snowblower Gearbox Replacement #52101000

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This video provides step-by-step instructions for replacing the gearbox on Ariens snowblowers. The most common reason for replacing the gearbox is if the drive system is powering the main shaft and the shear pins are good but the two auger shafts aren’t rotating or only one auger is turning.

All of the information in this gearbox replacement video is applicable to the following brands: Ariens

Tools used: snap ring pliers, socket wrench, pliers, pin punch, hammer

Step By Step Instructions

1
Before beginning this procedure, be sure to remove the snowblower’s start key from the engine.
2
To replace the gear case, your first step is to detach the deflector cable from the chute.
3
Next, remove the screws securing the belt cover and pull the cover off.
4
Now use a ½ inch socket to remove the bolts and washers securing the belt guide and pull the guide off.
5
Remove the bolts and washers securing the blower housing to the frame.
6
Pivot the frame away from the blower housing detach and rest the rear portion of the snowblower on its handlebars.
7
Remove the auger drive belts.
8
Now hold the pulley in place as you remove the bolt and washer and set the pulley and spacer aside.
9
Next, remove the bolts securing the gear case to the support bracket.
10
Remove the bolts securing the rake assembly and pull the assembly out. Be aware this will require some effort.
11
Use a pin punch to remove the two mounting pins securing the impeller and pull the impeller off.
12
Remove the two shear bolts if still intact.
13
Now pull off both sides of the rake assembly and remove the two washers. You’re now ready to install the new gear case.
14
First position the old washers on the new gear case and replace both sides of the rake assembly.
15
Align the holes in the rake assembly with the holes in the gear case insert the new shear bolts and secure them with the nuts.
16
Next, position the impeller by aligning the holes in the impeller with the holes on the gear case shaft then replace the mounting pins to secure.
17
Now insert the gear case shaft through the hole in the frame. This will require some effort.
18
Align the gear case with the support bracket and secure the bolts.
19
Align the rake supports with the blower housing and secure them with the bolts.
20
Replace the spacer and pulley on the gear case shaft secure with the bolt and washer and align the auger belts on the pulley.
21
Now rejoin the two halves of the snowblower together making sure the chute crank rod inserts into the hole in the control panel.
22
Reroute the auger drive belts onto the drive shaft and secure the blower housing to the frame with the bolts and washers.
23
Reinstall the belt guide and secure it with the bolts and washers.
24
Replace the belt cover and secure the screws.
25
Route the deflector cable into the guide and reconnect the “t” connection.
26
With the new gear case installed you can now return the start key to the snowblower’s engine.
Description
This video provides step-by-step instructions for replacing the gearbox on Ariens snowblowers. The most common reason for replacing the gearbox is if the drive system is powering the main shaft and the shear pins are good but the two auger shafts aren’t rotating or only one auger is turning.

All of the information in this gearbox replacement video is applicable to the following brands: Ariens

Tools used: snap ring pliers, socket wrench, pliers, pin punch, hammer
Step-By-Step Instructions
1
Before beginning this procedure, be sure to remove the snowblower’s start key from the engine.
2
To replace the gear case, your first step is to detach the deflector cable from the chute.
3
Next, remove the screws securing the belt cover and pull the cover off.
4
Now use a ½ inch socket to remove the bolts and washers securing the belt guide and pull the guide off.
5
Remove the bolts and washers securing the blower housing to the frame.
6
Pivot the frame away from the blower housing detach and rest the rear portion of the snowblower on its handlebars.
7
Remove the auger drive belts.
8
Now hold the pulley in place as you remove the bolt and washer and set the pulley and spacer aside.
9
Next, remove the bolts securing the gear case to the support bracket.
10
Remove the bolts securing the rake assembly and pull the assembly out. Be aware this will require some effort.
11
Use a pin punch to remove the two mounting pins securing the impeller and pull the impeller off.
12
Remove the two shear bolts if still intact.
13
Now pull off both sides of the rake assembly and remove the two washers. You’re now ready to install the new gear case.
14
First position the old washers on the new gear case and replace both sides of the rake assembly.
15
Align the holes in the rake assembly with the holes in the gear case insert the new shear bolts and secure them with the nuts.
16
Next, position the impeller by aligning the holes in the impeller with the holes on the gear case shaft then replace the mounting pins to secure.
17
Now insert the gear case shaft through the hole in the frame. This will require some effort.
18
Align the gear case with the support bracket and secure the bolts.
19
Align the rake supports with the blower housing and secure them with the bolts.
20
Replace the spacer and pulley on the gear case shaft secure with the bolt and washer and align the auger belts on the pulley.
21
Now rejoin the two halves of the snowblower together making sure the chute crank rod inserts into the hole in the control panel.
22
Reroute the auger drive belts onto the drive shaft and secure the blower housing to the frame with the bolts and washers.
23
Reinstall the belt guide and secure it with the bolts and washers.
24
Replace the belt cover and secure the screws.
25
Route the deflector cable into the guide and reconnect the “t” connection.
26
With the new gear case installed you can now return the start key to the snowblower’s engine.

Applicable Product Model

Parts Needed
Gearbox
Gearbox
$250.87
Recommended Tools and Accessories
Total$0.00

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