Medium
15-30 minutes
This shoulder pin 5 is an original part from Makita. Compatible with several grinder devices, this item secures components in the gear housing. A screwdriver and a hex key are helpful with the installation. The shoulder pin 5 is sold individually.
Shoulder Pin 5 256491-5
OEM part for: Makita
Part Number: 256491-5
$4.99
In Stock
Ships within 1 business day 
Jump To:
Frequently Purchased Together ?
Compatibility
This part will fit the following 7 machines
Makita
GA7021 Angle Grinder View Diagrams & Manuals
GA7020 Angle Grinder View Diagrams & Manuals
GA9020 Angle Grinder View Diagrams & Manuals
GA7040S Angle Grinder View Diagrams & Manuals
GA9040S 9" 15A Soft-Start Technology Angle Grinder View Diagrams & Manuals
GA7031Y Grinder View Diagrams & Manuals
GA9031Y Grinder View Diagrams & Manuals
Show More Compatible Models
This item works with the following types of products:
- Grinder Parts
Questions & Answers ?
Our customer Service team is at the ready daily to answer your part and product questions.
Ask our Team
We have a dedicated staff with decades of collective experience in helping customers just like you purchase parts to repair their products.
Does this fit my product?Questions & Answers for Shoulder Pin 5
No questions have been asked yet
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.
Broken shoulder pin for tool change brake, shoulder pin socket worn; out of shape had to replace head also
Richard - August 4, 2023
Tool Type
Grinder
Difficulty
Medium
Time
15-30 minutes
Tools Used
Screwdriver, Pliers, Socket set, Wrench Set, Adjustable Wrench, 1/2” wrench, hammer, snap ring pliers, allen socket set
1)Used chisel and hammer to Remove cutting disk
2)loosen set screws if need to remove dust collector
(Will need allen or torq bit sets for this)
2a) remove left and right side dc motor brushes with large flat head screwdriver paying attention to their orientation. Replace if necessary.
3)remove 4 socket head cap screws holding gear housing (one small flat head one medium flat head to gently pry and walk gear housing off from grinder. Careful not to damage the oring)
4)remove 4 phillips screws to pull motor/commutator/drum out from grinder housing
5)wrap motor in rag then gently secure with adjustable pliers, while using a 1/2” wrench to loosen nut holding angle gear in place so you can change the upper gear housing.
5)using snap ring pliers remove retaining ring holding bearing, washer, and grease seal in place (do this slow to see and remember orientation and direction of these three parts. (Crucial for grease seal to be installed in the proper direction) may need to use punch to gently tap out bearing once retaining ring is removed.
6) install the grease seal with brushed side facing out, install bearing, install washer, install retaining ring.
7)after cleaning, use new high temp wheel bearing grease, load the gear housing completely while being sure to pack grease in all cavities. When placing outer gear housing back in place, large gear should be submerged in this grease. Can also add a large coat of grease onto larger gear on outer gear head cover. Be sure to not let any contaminants fall into grease.
8)Instal motor assembly back into large tool housing 9)put ph screws back in cross tightening pattern.
10)install dc motor brushes and put the rest of unit together in reverse order
2)loosen set screws if need to remove dust collector
(Will need allen or torq bit sets for this)
2a) remove left and right side dc motor brushes with large flat head screwdriver paying attention to their orientation. Replace if necessary.
3)remove 4 socket head cap screws holding gear housing (one small flat head one medium flat head to gently pry and walk gear housing off from grinder. Careful not to damage the oring)
4)remove 4 phillips screws to pull motor/commutator/drum out from grinder housing
5)wrap motor in rag then gently secure with adjustable pliers, while using a 1/2” wrench to loosen nut holding angle gear in place so you can change the upper gear housing.
5)using snap ring pliers remove retaining ring holding bearing, washer, and grease seal in place (do this slow to see and remember orientation and direction of these three parts. (Crucial for grease seal to be installed in the proper direction) may need to use punch to gently tap out bearing once retaining ring is removed.
6) install the grease seal with brushed side facing out, install bearing, install washer, install retaining ring.
7)after cleaning, use new high temp wheel bearing grease, load the gear housing completely while being sure to pack grease in all cavities. When placing outer gear housing back in place, large gear should be submerged in this grease. Can also add a large coat of grease onto larger gear on outer gear head cover. Be sure to not let any contaminants fall into grease.
8)Instal motor assembly back into large tool housing 9)put ph screws back in cross tightening pattern.
10)install dc motor brushes and put the rest of unit together in reverse order
Did you find this story helpful?
Thanks for voting and helping fellow customers!
OEM stands for Original Equipment Manufacturer and means the part you’re buying is sourced directly from the manufacturer who made your product. At eReplacementParts, we sell only genuine OEM parts, guaranteeing the part you’re purchasing is of better design and of higher quality than aftermarket parts.
Our product descriptions are a combination of data sourced directly from the manufacturers who made your product as well as content researched and curated by our content & customer service teams. This content is edited and reviewed internally before being made public to customers.
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.
