Struggling with your Makita 18V Circular Saw? You’re not alone! Like any tool, it can face occasional hiccups.
From unexpected power issues to blade troubles, these common Makita 18V Circular Saw problems can slow you down.
But don’t worry this guide will walk you through the top 10 issues and their fixes, so you can get back to work in no time!
Makita 18V Circular Saw Problems (Short Overview)
Facing issues with your Makita 18V Circular Saw?
Common problems include the saw not starting, reduced battery life, or blade wobbling.
Regular maintenance, checking the battery, and ensuring the blade is properly secured can help keep it running smoothly.
Stay on top of these fixes to get the best performance!!
Read 10 Common Problems With Fixes In Easy Ways…
1. Saw Not Starting
Having trouble with your Makita 18V Circular Saw not starting?
This issue can be frustrating, but it’s often caused by simple, fixable problems.
Below, we break down the potential causes and their solutions so you can get your saw back in action quickly.
Possible Causes
- Battery Issues: A drained or improperly connected battery might prevent the saw from starting.
- Trigger Lock: The safety lock or trigger might be engaged, stopping the saw from powering on.
- Motor or Wiring Faults: Internal motor problems or a loose wire connection could also be the culprit.
Fixes
- Check the Battery: Ensure the battery is fully charged and securely attached.
- Inspect the Trigger Lock: Verify that the safety lock is disengaged before use.
- Service the Saw: If the issue persists, consult the manual or seek professional repair for motor or wiring issues.
2. Battery Draining Quickly
If your Makita 18V Circular Saw’s battery is draining faster than expected, it can disrupt your workflow and reduce efficiency.
Causes:
- Overheating from continuous use
- Old or damaged battery
- Incorrect blade type or dull blades
- Overloading the motor during heavy cuts
Fixes:
- Allow the battery to cool down between uses
- Replace old or faulty batteries with genuine Makita ones
- Use the correct, sharp blades for your tasks
- Avoid overloading the saw by letting it work at its own pace
3. Blade Wobbling
One common issue with the Makita 18V Circular Saw is blade wobbling, which can affect cutting precision and make the tool harder to handle.
Causes of Blade Wobbling
- Loose Blade Installation: If the blade isn’t secured tightly, it can wobble during use.
- Damaged Arbor: A bent or worn arbor may fail to hold the blade properly.
- Wear and Tear: Over time, components can degrade, leading to instability.
Fixes for Blade Wobbling
- Tighten the Blade: Ensure the blade is firmly secured with the provided wrench.
- Inspect the Arbor: Replace the arbor if it shows signs of damage or wear.
- Regular Maintenance: Clean and check the saw regularly to keep all parts in good condition.
4. Motor Overheating
One common issue with the Makita 18V Circular Saw is motor overheating, especially during extended use. Overheating can reduce the tool’s performance and lifespan if not addressed promptly.
Causes
- Prolonged use without breaks
- Blocked air vents due to dust and debris
- Pushing the tool too hard on tough materials
Fixes
- Take regular breaks to let the motor cool down
- Clean the vents and motor area to improve airflow
- Avoid overloading the tool and let the saw do the work at its own pace
Read Also:
Makita track saw problems
5. Cuts Not Straight
If your Makita 18V Circular Saw isn’t cutting straight, it can make your projects frustrating and inaccurate.
Causes
- Blade Misalignment: Over time, the blade can shift, throwing off precision.
- Loose Base Plate: A wobbly base plate can cause uneven cuts.
- Improper Handling: Pushing the saw too quickly or at the wrong angle can result in crooked cuts.
Fixes
- Check Blade Alignment: Ensure the blade is properly secured and aligned with the guide.
- Tighten the Base Plate: Use a wrench to secure it firmly in place.
- Practice Proper Technique: Guide the saw steadily and avoid forcing it through the material.
6. Trigger Malfunction
One common issue with the Makita 18V Circular Saw is a malfunctioning trigger.
This can cause the saw to either not start or stop working mid-operation, disrupting your workflow and affecting safety.
Here’s what could be causing it and how to fix it:
Causes
- Dust or debris buildup inside the trigger mechanism.
- Worn-out or damaged internal components.
- Loose or faulty wiring connections.
Fixes
- Clean the trigger area thoroughly to remove dust and debris.
- Inspect and replace damaged trigger components if necessary.
- Check and secure any loose wiring or seek professional repair if the issue persists.
7. Blade Guard Stuck
A stuck blade guard is a common issue with the Makita 18V Circular Saw.
Cause
The most common causes include accumulated dust or debris around the guard, bent components, or improper alignment.
Over time, wear and tear may also cause parts to lose their smooth operation.
Fixes
Start by cleaning the blade guard thoroughly, removing any dust or debris. Check for bent or damaged parts and replace them if needed.
Lubricate the moving components to restore smooth movement. If the problem persists, consult a professional or contact Makita for repairs.
8. Noise While Running
If your Makita 18V Circular Saw makes unusual noises while running, it could indicate an underlying issue that needs attention.
These sounds might range from grinding or rattling to high-pitched squealing, disrupting smooth operation and potentially signaling damage to the tool’s internal components.
Common Causes:
- Worn-out Bearings: Bearings inside the saw may wear down over time, causing grinding or rattling noises.
- Loose or Misaligned Parts: Screws, bolts, or internal components might be loose or out of alignment, creating vibrations and noise.
- Motor Issues: A failing motor can produce unusual sounds, often indicating it’s struggling to maintain power.
Fixes:
- Inspect and Tighten Components: Check all screws and parts for tightness and alignment. Tighten anything loose to ensure the saw operates smoothly.
- Replace Bearings: If the bearings are worn out, replace them promptly to prevent further damage.
- Professional Servicing: If the motor seems to be the issue, have the tool inspected and repaired by a certified technician to avoid permanent damage.
9. Charging Issues
Charging problems with the Makita 18V Circular Saw are a common concern for users.
Causes of Charging Issues
- Faulty or worn-out batteries.
- Damaged or malfunctioning charger.
- Dirt or debris interfering with battery connection.
Fixes for Charging Issues
- Test the battery with another compatible charger to confirm if it’s the issue.
- Replace damaged batteries or chargers with genuine Makita parts.
- Clean the battery terminals and ensure proper connection.
10. Reduced Blade Speed
If your Makita 18V circular saw is running at a slower blade speed, it can impact the efficiency and precision of your cuts.
Causes
- A low or drained battery can reduce power, slowing the blade speed.
- A dull or damaged blade increases resistance, impacting performance.
- Internal motor issues or debris buildup can also restrict smooth operation.
Fixes
- Ensure the battery is fully charged or replace it with a new one if needed.
- Inspect and replace the blade if it is dull or worn.
- Clean the internal components and check for motor wear—seek professional help for repairs if necessary.
FAQs
What is the maximum cutting depth of the Makita 18V Circular Saw?
The Makita 18V Circular Saw can cut up to 2-1/4 inches at 90 degrees, making it suitable for a variety of cutting tasks.
How long does the battery last on the Makita 18V Circular Saw?
The battery life depends on usage, but a fully charged 18V LXT battery typically provides sufficient power for standard cutting jobs.
Does the Makita 18V Circular Saw come with a blade?
Yes, the saw generally comes with a high-quality blade, though you may need to replace it depending on your project requirements.
Is the Makita 18V Circular Saw compatible with other Makita LXT tools?
Yes, the Makita 18V Circular Saw works seamlessly with Makita’s 18V LXT battery system, allowing compatibility with other tools in the series.
[…] 10 Common Makita 18V Circular Saw Problems (With Fixes) […]