20 Most Recent Hitachi DS18DFL 18V 1.5Ah Lithium Ion Driver Drill Questions & Answers

Did the receipt have it listed?

There are always 2 different rings to the chuck grip surface, you always hold the back one and turn the front one counter clockwise.
You should be able to do this by hand.
But if it is really tight for some reason, you could use a channel lock pliers or even a pipe wrench if you had to, but both might leave some marks.

Many of these have a torque clutch that is used in screwdriver mode that will slip when a certain torque is reached as set by the ring around the chuck area. If you want it to not slip, usually you set it on a symbol that looks like a twist drill.

time to replace the battery. eventually they won't keep a full charge anymore. they have a memory. if it's 100% charged, and you use 90% or the charge then charge it, it'll only let you run 90% of it next time. you lose 10% of the charge capacity.

Your charger has failed.

https://www.manualslib.com/products/Hitachi-Uc-18yksl-3659810.html

The OEM chuck for that is about 45 dollars. There are no substitutes offered.

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• Weight: 983g
• Dimension: 124.80 x76.90 x106.50mm

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If its not an bad soldering or an passive component , beware almost all brands wenn ordering an electric part for a charger its almost always more expensive then a complete (new charger ) the latest years there are more and more remplacement options to the customer , if there are defect components that are not made for ordering on marketing technical reasons and safety and more reasons. mosnfets (passive component almost sometimes fuse resistors but smd components to repair is not meaningfull . when termical defects are hidden.

The battery is defective.

http://www.hitachi-koki.com/manual_view_export/pdf/C99187413_DV14DCL2_205.pdf

Generally the answer is yes for most models. Check the manual.

control of the electric field wires and the 2 carbon brushes and the switch https://www.kruis.nl/onderdelen/viewer/?m=hitachi&t=DH24PC3_0&p=dh24pc3

Leave the part that is stuck in a jar with petrol overnight and then put it in a vice and try then to open then with spanner at the end of the chuck hope this helps

How to Remove Drill Chuck If there is screw in inside center of chuck remove it, it is probably left hand threads so pretend you are tightening it and it will come free. open chuck fully and insert chuck key into holes and hit it with a hammer to remove it.

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I'm hoping you mean a chuck "key" .... there are only 4 different sizes and can be bought in tool stores as universal chuck keys tool 4 in 1 tool...

You need to replace the drill chuck.