Medium
30-60 minutes
It is a genuine OEM component which is designed for Delta sanders. This is the gear that attaches to the camshaft. It helps to drive the spindle assembly. Unfortunately, over time it may wear out or get damaged eventually requiring a replacement to ensure your equipment operates properly. One durable plastic gear is included. To ensure the proper repair procedure, refer to the appropriate diagrams of your model. To perform this repair a screwdriver and a wrench set will be necessary to take the housing apart.
Gear 1347788
OEM part for: Delta
Part Number: 1347788
$51.91
In Stock
Ships within 1 business day 
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Compatibility
This part will fit the following 4 machines
Delta
31-780 Type 1 Sander View Diagrams & Manuals
31-780 Type 2 Sander View Diagrams & Manuals
SA350 Type 1 Sander View Diagrams & Manuals
SA350K Type 1 Stationary Sander View Diagrams & Manuals
This item works with the following types of products:
- Sander Parts
Customer Part Reviews ?
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Almost perfect!
Had to drill the "through" hole for the keeper (there was only one hole, and the keeper was long enough to go through the shaft) but other than that, the issue was resolved with this replacement part!
Guest -
August 22, 2023
Verified Purchase
Replacement of old gear
I found the eReplacement web page very thorough and suitably easy to use. When it came time to cancel a part of my order, due to delayed shipment, I found the young lady who helped me both immediately helpful and friendly. eReplacement is now entered in my computer as the go-to site for the purchase of parts necessary to keep my ageing tools in working order.
Guest -
October 13, 2020
Verified Purchase
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Customer Repair Instructions ?
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part.
Plastic gear was broken. spindle on sander would not oscillate.
Jon - July 25, 2016
👍 4 of 5 people found this instruction helpful
Tool Type
Sander
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Wrench Set, Adjustable Wrench
Parts Used
Removed broken gear.installed new gear.CAUTION. after installing new gear on gear shafts you must drill a second roll pin hole through the gear. Gear comes with only one hole.why? Who knows. I found this out from the Delta tech support guy.
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none
Dennis - April 13, 2019
Tool Type
Sander
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Power Drill, Wrench Set, Nutdriver, none
1. I installed the dust chute and gasket.
2. Put gear on shaft and drill hole for roll pin.
3. Installed roll pin and check gear for proper movement.
4. Installed motor in unit and installed cams.
5. wired up motor and check for proper operation. OK.
6. Put lube on gear and installed gear cover.
7. Ran unit for 10 min. All work OK.
2. Put gear on shaft and drill hole for roll pin.
3. Installed roll pin and check gear for proper movement.
4. Installed motor in unit and installed cams.
5. wired up motor and check for proper operation. OK.
6. Put lube on gear and installed gear cover.
7. Ran unit for 10 min. All work OK.
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oscillation on oscillating spindle sander stopped working due to stripped gear teeth.
Thomas - December 21, 2018
Tool Type
Sander
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Socket set
Parts Used
took tool apart; replaced gear; put tool together.
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Gear was worn out
Cole - January 18, 2018
Tool Type
Sander
Difficulty
Easy
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Hammer, punch, grease, allen keys
Parts Used
Inverted machine on workbench and placed spindle through dog hole so machine would sit flat. Removed cover of gear and worm housing. Removed base of machine by removing four screws. Removed allen screws which held linkage in place. Removed linkage and cams and spring. Drove roll pin out of gear. Drove axle out of machine far enough to remove gear. replaced gear. Drove axle back in place. Replaced roll pin. Replaced linkage, allen screws, spring, and base of machine. Greased gears. Machine runs like a champ.
There is a video on YouTube which details the process pretty well. He mentions late in the video to remove the base. It's better to do this first thing.
There is a video on YouTube which details the process pretty well. He mentions late in the video to remove the base. It's better to do this first thing.
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Our customer service team are at the ready daily to answer your part and product questions. We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
All our part reviews are solicited directly from other customers who have purchased this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
All our customer repair instructions are solicited directly from other customers just like you who have purchased and replaced this exact part. While we moderate these reviews for profanity, offensive language or personally identifiable information, these reviews are posted exactly as submitted and no alterations are made by our team.
Based on data from past customer purchasing behaviors, these parts are most commonly purchased together along with the part you are viewing. These parts may be necessary or helpful to replace to complete your current repair.
All our installation videos are created and produced in collaboration with our in-house repair technician, Mark Sodja, who has helped millions of eReplacementParts customers over the last 13 years repair their products. Mark has years of experience in selling and repairing both commercial and residential products with a specialty in gas-powered equipment.
This data is collected from customers who submitted a repair instruction after replacing this exact part. Customers can rate how easy the repair was to complete and how long it took. We aggregate this data to provide a repair rating that allows customers to quickly determine the difficulty and time needed to perform their own repair.
