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What are the specifications for the MAKITA DHS781?
| Model | MAKITA DHS781 |
|---|---|
| Blade diameter | 185 mm – 190 mm |
| Max. Cutting depth at 0° | 66.0 mm – 68.5 mm |
| Max. Cutting depth at 45° bevel | 45.5 mm – 47.5 mm |
| Max. Cutting depth at 56° bevel | 34.0 mm – 35.5 mm |
| No load speed | 6,000 min⁻¹ |
| Overall length | 342 mm |
| Rated voltage | D.C. 36 V |
| Net weight | 4.2 – 4.8 kg |
Due to a continuing program of research and development, the specifications herein are subject to change without notice. Specifications and battery cartridge may differ from country to country. The weight may differ depending on the attachment(s), including the battery cartridge.
Which battery cartridges and chargers are applicable for the MAKITA DHS781?
The applicable battery cartridges and chargers for this tool are:
Battery cartridge: BL1815N / BL1820 / BL1820B / BL1830 / BL1830B / BL1840 / BL1840B / BL1850 / BL1850B / BL1860B
Charger: DC18RC / DC18RD / DC18RE / DC18SD / DC18SE / DC18SF
Some of the battery cartridges and chargers listed above may not be available depending on your region of residence.
What is the intended use of the MAKITA DHS781?
The tool is intended for performing lengthways and crossways straight cuts and miter cuts with angles in wood while in firm contact with the workpiece. With appropriate Makita genuine saw blades, other materials can also be sawed.
How do I install or remove the battery cartridge on the MAKITA DHS781?
To install the battery cartridge: Align the tongue on the battery cartridge with the groove in the housing and slip it into place. Insert it all the way until it locks in place with a little click. If you can see the red indicator on the upper side of the button, it is not locked completely.
To remove the battery cartridge: Loosen the lever for depth adjustment to lower the tool base. Slide the battery from the tool while sliding the button on the front of the cartridge.
Always switch off the tool before installing or removing of the battery cartridge. Always bring down the base when installing/removing the batteries. Be careful not to pinch your fingers.
How can I check the remaining battery capacity on the MAKITA DHS781?
The tool has a check button on the battery cartridge to indicate the remaining battery capacity. Press the check button to activate the indicator lamps.
Indicator Statuses:
Lighted (On): Remaining capacity is indicated.
Capacity Examples:
All lamps On: 75% to 100%
Three lamps On: 50% to 75%
Two lamps On: 25% to 50%
One lamp On: 0% to 25%
One lamp Blinking: Charge the battery.
Alternating Blinking: The battery may have malfunctioned.
Additionally, the tool has a battery indicator on the tool itself. Press the check button on the tool to indicate remaining battery capacities. The battery indicators correspond to each battery.
Tool Battery Indicator Status:
3 bars On: 50% to 100%
2 bars On: 20% to 50%
1 bar On: 0% to 20%
1 bar Blinking: Charge the battery
How do I operate the switch trigger on the MAKITA DHS781?
To prevent the switch trigger from being accidentally pulled, a lock-off button is provided.
To start the tool, depress the lock-off button and pull the switch trigger.
Release the switch trigger to stop.
The tool starts to brake the circular saw blade rotation immediately after you release the switch trigger. Hold the tool firmly to respond to the reaction of the brake when releasing the switch trigger.
How does the automatic speed change function work on the MAKITA DHS781?
This tool has “high speed mode” and “high torque mode”. The tool automatically changes the operation mode depending on the work load.
When the work load is low, the tool will run in the “high speed mode” for quicker cutting operation.
When the work load is high, the tool will run in the “high torque mode” for powerful cutting operation.
The mode indicator lights up in green when the tool is running in “high torque mode”. If the tool is operated with excessive load, the mode indicator will blink in green.
How do I adjust the depth of cut on the MAKITA DHS781?
1. Loosen the lever on the depth guide.
2. Move the base up or down.
3. At the desired depth of cut, secure the base by tightening the lever.
For cleaner, safer cuts, set the cut depth so that no more than one blade tooth projects below the workpiece.
How do I adjust the bevel angle on the MAKITA DHS781?
Loosen the lever and set for the desired angle by tilting accordingly, then tighten the lever securely.
Using the Positive Stopper:
The positive stopper is useful for setting the designated angle quickly. Turn the positive stopper so that the arrow on it points to your desired bevel angle (22.5°/45°/56°). Loosen the lever and then tilt the tool base until it stops. The position where the tool base stops is the angle you set with the positive stopper. Tighten the lever with the tool base at this position.
How do I use the sight on the MAKITA DHS781?
For straight cuts, align the 0° position on the front of the base with your cutting line.
For 45° bevel cuts, align the 45° position with it.
How do I operate the lamp on the MAKITA DHS781?
To turn on the lamp without running the tool, pull the switch trigger without pressing the lock-off button.
To turn on the lamp with the tool running, press and hold the lock-off button and pull the switch trigger.
The lamp goes out 10 seconds after releasing the switch trigger.
How do I use the hook on the MAKITA DHS781?
The hook is convenient for hanging the tool temporarily.
To use the hook, simply turn the hook until it snaps into the open position.
When not in use, always turn the hook until it snaps into the closed position.
Always remove the battery when hanging the tool with the hook. Never hook the tool at high locations or on surfaces where it may lose balance and fall.
How do I remove the circular saw blade on the MAKITA DHS781?
1. Press the shaft lock fully so that the circular saw blade cannot revolve.
2. Use the hex wrench to loosen the hex bolt.
3. Remove the hex bolt, ring (country specific), outer flange, and circular saw blade.
How do I install the circular saw blade on the MAKITA DHS781?
1. Follow the removal procedure in reverse.
2. Be sure to tighten the hex bolt clockwise securely. Do not tighten the bolt forcibly.
3. Be sure the circular saw blade is installed with teeth pointing up at the front of the tool.
For tool with the inner flange for other than 15.88 mm hole-diameter saw blade: Choose a correct side of the inner flange on which protrusion fits into the saw blade hole perfectly. Mount the inner flange onto the mounting shaft so that the correct side of protrusion faces outward.
For tool with the inner flange for a 15.88 mm hole-diameter saw blade (country specific): Mount the inner flange with its recessed side facing outward onto the mounting shaft and then place circular saw blade, outer flange and hex bolt.
If a ring is needed to mount the blade, always be sure that the correct ring for the blade’s arbor hole is installed between the inner and outer flanges.
How do I connect a vacuum cleaner to the MAKITA DHS781?
When you wish to perform clean cutting operation, connect a Makita vacuum cleaner to your tool.
Connect a hose of the vacuum cleaner to the dust nozzle using the screw provided.
How do I use the rip fence (guide rule) on the MAKITA DHS781?
The handy rip fence allows you to do extra-accurate straight cuts.
1. Slide the rip fence up snugly against the side of the workpiece.
2. Secure it in position with the clamping screw on the front of the base.
How do I connect a lanyard (tether strap) to the MAKITA DHS781?
There is a specific hole for the lanyard (tether strap) on the tool.
Always keep the tool tethered when working “at height”. Maximum lanyard length is 2 m (6.5 ft).
Use only with lanyards appropriate for this tool type and rated for at least 6.0 kg (13.3 lbs).
Anchor the tool lanyard to a rigid structure that can withstand the forces of a dropped tool.
How do I install the wireless unit on the MAKITA DHS781?
1. Place the tool on a flat and stable surface.
2. Open the lid on the tool.
3. Insert the wireless unit to the slot and then close the lid. When inserting the wireless unit, align the projections with the recessed portions on the slot.
To remove the wireless unit, open the lid slowly. The hooks on the back of the lid will lift the wireless unit as you pull up the lid.
How do I register the MAKITA DHS781 to a vacuum cleaner?
A Makita vacuum cleaner supporting the wireless activation function is required.
1. Install the batteries to the vacuum cleaner and the tool.
2. Set the stand-by switch on the vacuum cleaner to “AUTO”.
3. Press the wireless activation button on the vacuum cleaner for 3 seconds until the wireless activation lamp blinks in green. And then press the wireless activation button on the tool in the same way.
If linked successfully, the wireless activation lamps will light up in green for 2 seconds and start blinking in blue.
How do I start the wireless activation function on the MAKITA DHS781?
After registering the tool to the vacuum cleaner:
1. Install the wireless unit to the tool.
2. Connect the hose of the vacuum cleaner with the tool.
3. Set the stand-by switch on the vacuum cleaner to “AUTO”.
4. Push the wireless activation button on the tool briefly. The wireless activation lamp will blink in blue.
5. Pull the switch trigger of the tool. Check if the vacuum cleaner runs while the switch trigger is being pulled.
To stop the wireless activation of the vacuum cleaner, push the wireless activation button on the tool.
What does the wireless activation lamp status mean on the MAKITA DHS781?
| Status | Color | Pattern | Description |
|---|---|---|---|
| Standby | Blue | Blinking | The wireless activation of the vacuum cleaner is available and the tool is running. Or available (turns off after 2 hours of no operation). |
| Tool registration | Green | Blinking | Ready for the tool registration. Waiting for the registration by the vacuum cleaner. |
| Tool registration | Green | Lighted (2 seconds) | The tool registration has been finished. The wireless activation lamp will start blinking in blue. |
| Cancelling tool registration | Red | Blinking | Ready for the cancellation of the tool registration. Waiting for the cancellation by the vacuum cleaner. |
| Cancelling tool registration | Red | Lighted (2 seconds) | The cancellation of the tool registration has been finished. The wireless activation lamp will start blinking in blue. |
| Others | Red | Lighted (3 seconds) | The power is supplied to the wireless unit and the wireless activation function is starting up. |
| Off | – | Off | The wireless activation of the vacuum cleaner is stopped. |
How do I cancel the tool registration for the vacuum cleaner on the MAKITA DHS781?
1. Install the batteries to the vacuum cleaner and the tool.
2. Set the stand-by switch on the vacuum cleaner to “AUTO”.
3. Press the wireless activation button on the vacuum cleaner for 6 seconds. The wireless activation lamp blinks in green and then become red. After that, press the wireless activation button on the tool in the same way.
If cancellation is successful, the wireless activation lamps will light up in red for 2 seconds and start blinking in blue.
How do I troubleshoot the wireless activation function on the MAKITA DHS781?
| State of abnormality | Probable cause | Remedy |
|---|---|---|
| The wireless activation lamp does not light/blink. | The wireless unit is not installed into the tool or improper installation. | Install the wireless unit correctly. |
| The terminal of the wireless unit and/or the slot is dirty. | Gently wipe off dust and dirt on the terminal of the wireless unit and clean the slot. | |
| The wireless activation button on the tool has not been pushed. | Push the wireless activation button on the tool briefly. | |
| The stand-by switch on the vacuum cleaner is not set to “AUTO”. | Set the stand-by switch on the vacuum cleaner to “AUTO”. | |
| No power supply. | Supply the power to the tool and the vacuum cleaner. | |
| Cannot finish tool registration / cancelling tool registration successfully. | The wireless unit is not installed or improper installation. | Install the wireless unit correctly. |
| Dirty terminal/slot. | Gently wipe off dust and dirt on the terminal of the wireless unit and clean the slot. | |
| Stand-by switch not set to “AUTO”. | Set the stand-by switch on the vacuum cleaner to “AUTO”. | |
| Incorrect operation. | Push the wireless activation button briefly and perform the tool registration/cancellation procedures again. | |
| The tool and vacuum cleaner are away from each other. | Get the tool and vacuum cleaner closer to each other (approx 10 m max). | |
| Switch trigger pulled or power button on vacuum turned on before finishing. | Push the wireless activation button briefly and perform the tool registration/cancellation procedures again. | |
| The vacuum cleaner does not run along with the switch operation of the tool. | Wireless unit not installed correctly. | Install the wireless unit correctly. |
| Dirty terminal/slot. | Gently wipe off dust and dirt on the terminal of the wireless unit and clean the slot. | |
| Wireless activation button on tool not pushed. | Push the wireless activation button briefly and make sure the lamp is blinking in blue. | |
| Stand-by switch not set to “AUTO”. | Set the stand-by switch on the vacuum cleaner to “AUTO”. | |
| More than 10 tools are registered to the vacuum cleaner. | Perform the tool registration again. The earliest registered tool will be cancelled automatically if more than 10 are registered. | |
| The vacuum cleaner erased all tool registrations. | Perform the tool registration again. | |
| Radio disturbance by other appliances. | Keep the tool and vacuum cleaner away from appliances such as Wi-Fi devices and microwave ovens. | |
| The vacuum cleaner runs while the tool’s switch trigger is not pulled. | Other users are using the wireless activation of the vacuum cleaner with their tools. | Turn off the wireless activation button of the other tools or cancel the tool registration of the other tools. |
How do I adjust the 0°-cut accuracy on the MAKITA DHS781?
1. Slightly loosen the lever on on the bevel scale plate.
2. Make the base perpendicular to the blade using a triangular rule or square rule by turning the adjusting bolt.
3. Tighten the lever and then make a test cut to check the verticalness.
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