Medium
30-60 minutes
This replacement part is an authentic OEM from Makita. This is the outside of the handle cover and works to secure the switch inside the housing and also provide the user with a comfortable grip while using the circular saw. This part is made of a high-quality plastic material is just the handle cover the switch and screws to secure it are sold separately.
Handle Cover 417077-2
OEM part for: Makita
Part Number: 417077-2
$9.42
Usually ships in 7 - 12 business days
Leaves our warehouse within 7 - 12 business days
Compatibility
This item works with the following types of products:
- Circular Saw Parts
- Saw Parts
This part replaces obsolete part #: 415978-8
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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.
Saw fell 20 feet and cracked handle and bent the blade case
Michael - June 11, 2019
Tool Type
Circular Saw
Difficulty
Medium
Time
30-60 minutes
Tools Used
Screwdriver, Pliers, Allen wrench, split ring pliers
Parts Used
Refer to diagram for Makita 5740NB.
BLADE CASE REPLACEMENT:
1. Remove bolt (1) and blade with allen wrench. Set aside bolt with inner and outer flanges (3&4).
2. Remove base plate (65) with phillips screwdriver.
3. Remove tension nut and angle plate from the front of the blade case.
4. Remove tension nut and depth guide from blade case.
5. Remove tension spring (12) from safety cover (13).
6. Remove retaining ring (9) with split ring pliers.
7. Remove safety cover (13).
8. Remove two phillips screws and cover plate (21).
9. Remove one phillips screw and rubber sleeve (23).
10. Remove two phillips screws and bearing box (14).
11. Remove bearing assembly (5-8,15,16) keeping it together.
12. From the motor side, remove three long phillips bolts (48) that attach the motor section to the blade case.
13. Carefully work the blade case loose from the motor housing. There is a compression spring (40) that will try to get away from you that keeps tension on the shaft lock (38).
14. With the blade case free (and the tension spring found), add a little lubricant like PB Blaster or WD-40 to the spring pin (61) holding the angular guide (55) to the leading edge of the blade case.
15. Use a drift punch to carefully drive out the pin and remove the angular guide.
16. Reassemble in reverse of above, transferring components to the new blade case.
TIP: attach the shaft lock to the motor side of the blade case, installing the runaway tension spring right before attaching to the motor housing. If the armature assembly (36) was removed during your disassembly, you will need to remove the two brush holder caps (49) and pull the brushes (50) out a bit so the shaft will reseat.
HANDLE COVER
1. Remove phillips screws holding the handle cover (41) to the motor housing (51).
2. Carefully pry the two sections apart. There is a tiny plastic alignment pin that can easily break off near the switch. If it is already broken, which might be the case if you are replacing this part, be sure to remove what's left of the pin from the hole, otherwise the new part will not seat, and if you force it, you'll break the new one, as well.
3. Reassemble in reverse order.
IMPORTANT ADVICE
Be patient, take your time, and keep your parts organized. As long as you can keep track of components and are confident you can assemble at a later date, do the disassembly of your saw and check over all components for broken, bent, or otherwise damaged or worn parts needing replacement. That way you can order all pieces needed at once and save time and excess shipping charges. Had a bad switch I had to order once I removed the handle cover, delaying assembly. With any power tool, take extra safety precautions when testing after repair. Check all fasteners after the first few uses to make sure everything is tight. Any loose bolts need a little threadlocker.
BLADE CASE REPLACEMENT:
1. Remove bolt (1) and blade with allen wrench. Set aside bolt with inner and outer flanges (3&4).
2. Remove base plate (65) with phillips screwdriver.
3. Remove tension nut and angle plate from the front of the blade case.
4. Remove tension nut and depth guide from blade case.
5. Remove tension spring (12) from safety cover (13).
6. Remove retaining ring (9) with split ring pliers.
7. Remove safety cover (13).
8. Remove two phillips screws and cover plate (21).
9. Remove one phillips screw and rubber sleeve (23).
10. Remove two phillips screws and bearing box (14).
11. Remove bearing assembly (5-8,15,16) keeping it together.
12. From the motor side, remove three long phillips bolts (48) that attach the motor section to the blade case.
13. Carefully work the blade case loose from the motor housing. There is a compression spring (40) that will try to get away from you that keeps tension on the shaft lock (38).
14. With the blade case free (and the tension spring found), add a little lubricant like PB Blaster or WD-40 to the spring pin (61) holding the angular guide (55) to the leading edge of the blade case.
15. Use a drift punch to carefully drive out the pin and remove the angular guide.
16. Reassemble in reverse of above, transferring components to the new blade case.
TIP: attach the shaft lock to the motor side of the blade case, installing the runaway tension spring right before attaching to the motor housing. If the armature assembly (36) was removed during your disassembly, you will need to remove the two brush holder caps (49) and pull the brushes (50) out a bit so the shaft will reseat.
HANDLE COVER
1. Remove phillips screws holding the handle cover (41) to the motor housing (51).
2. Carefully pry the two sections apart. There is a tiny plastic alignment pin that can easily break off near the switch. If it is already broken, which might be the case if you are replacing this part, be sure to remove what's left of the pin from the hole, otherwise the new part will not seat, and if you force it, you'll break the new one, as well.
3. Reassemble in reverse order.
IMPORTANT ADVICE
Be patient, take your time, and keep your parts organized. As long as you can keep track of components and are confident you can assemble at a later date, do the disassembly of your saw and check over all components for broken, bent, or otherwise damaged or worn parts needing replacement. That way you can order all pieces needed at once and save time and excess shipping charges. Had a bad switch I had to order once I removed the handle cover, delaying assembly. With any power tool, take extra safety precautions when testing after repair. Check all fasteners after the first few uses to make sure everything is tight. Any loose bolts need a little threadlocker.
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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.
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