Part Location Diagram of 256486-8 Makita Shoulder Pin 4
See part 17 in the diagram
Replacing your Makita Grinder Shoulder Pin 4
( Grid squares measure 1x1 inch )

Shoulder Pin 4 256486-8

Manufactured by:
Makita
ERP Number:
ERP10144603
Part Number:
256486-8
Original Equipment Manufacturer ?
  Works with your model  9558PB!
On Order
Minimum Quantity of 2 required

Easy 

15 - 30 mins 

(4 rated repairs) ?
  Works with your model   9558PB!

Product Description

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Genuine Manufacturer Approved replacement part designed to work with certain Makita Angle Grinders. This part is made out of Metal and it is Sold Individually. This Shoulder Pin is part of the Lock Button Assembly.

Frequently Purchased Together

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Troubleshooting

This part works with the following brands:
  • Makita
This part works with the following products:
  • Grinder
  • Angle Grinder

Videos For installing this part.

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Replacing your Shoulder Pin 4

Customer Part Reviews

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Questions & Answers

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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.

Easy 

15 - 30 mins 

(4 rated repairs) ?
  • 1
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Missing pin and pin cap

Eliseo from KANSAS CITY, Kansas

3 of 3 people found this instruction helpful.
Difficulty Level:
Difficult
Total Repair Time:
30 - 60 mins
Tools:
Nutdriver, Screw drivers
Parts Used:
256486-8
1. Removed lock nut and disk flange
2. Removed grinding guard
3. Remove gear housing screws and remove gear from housing using a flat head screwdriver and that\'s how you get to the pin slot.
4. Remove old pin if there\'s any.. check pin and gear sometimes when you\'re missing the pin cap the pin got stuck in gear and if you hit the trigger.. sometimes the pin mess up the gear in that case you gonna need to replace gear also..
5. Insert new pin in slot make sure you put the old (if it still good) or new O-ring on pin before inserting it.
7. Hold pin with finger .
On external side of pin slot insert compression spring on pin then set pin cap on top of pin and compress with fingers.. until pin cap is stable to make it go all the way in I used a nut driver that fit on pin (bottom side) and another nut driver on the other side it\'s really hard this step takes me about 30 mins to complete but I\'m sure there\'s something better than 2 nut drivers.. anyways it is the hardest part I\'ve replace on an angle grinder.. good luck I hope this help you.
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the pushpin that locked the wheel chuck broke

Richard from Zimmerman, Minnesota

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Pliers, Screw drivers
took out the old parts and replaced with new
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Locking pin broke

steven from Le Sueur, Minnesota

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
15 - 30 mins
Tools:
Pliers, Screw drivers
Followed video on your website. Very helpful
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DRIVEN GEAR TEETH CHIPPED

JOSH from WEST MILTON, Pennsylvania

0 of 1 people found this instruction helpful.
Difficulty Level:
Easy
Total Repair Time:
Less than 15 mins
Tools:
Screw drivers, Wrench set
REMOVED 4 SCREWS HOLDING ON THE DRIVEN GEAR HOUSING AND REMOVED FROM TOOL.

CLEANED GREASE FROM GEAR.

REMOVED SNAP RING.

REMOVED DAMAGED DRIVEN GEAR AND INSTALLED NEW DRIVEN GEAR.

REINSTALLED SNAP RING.

REMOVED NOSE HOUSING.

CLEANED GREASE FROM INSIDE HOUSING AN D DRIVE GEAR

USED VICE GRIPS TO HOLD GEAR AND 10 MM WRENCH TO REMOVE NUT.

REMOVED OLD DRIVE GEAR AND INSTALLED NEW DRIVE GEAR.

REINSTALLED NUT.

USED SEMI-FLUID GREASE TO LUBE GEARS.

REINSTALLED HOUSINGS.

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  • 1

Model Cross Reference

This part works with the following models:
ERP Number: ERP10144603
Manufacturer Part Number: 256486-8
Brand Model Number Description
Makita 9550H Grinder - Grinder
Makita 9553B Grinder - Grinder
Makita 9553NB Angle Grinder - Angle Grinder
Makita 9553NBK Grinder - Grinder
Makita 9554NB Angle Grinder - Angle Grinder
Makita 9554NBK Grinder - Grinder
Makita 9555NB Grinder - Grinder
Makita 9555NBK Grinder - Grinder
Makita 9557NB Angle Grinder - Angle Grinder
Makita 9557NB2 Grinder - Grinder
Makita 9557PB Angle Grinder - Angle Grinder
Makita 9557PBX1 Grinder - Grinder
Makita 9558HN Grinder - Grinder
Makita 9558PB Angle Grinder - Angle Grinder