HER-235 - Screwdriver Steren - Free user manual and instructions
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| Product Type | Cordless Screwdriver |
| Brand | Steren |
| Model | HER-235 |
| Power Source | Rechargeable Lithium-Ion Battery |
| Battery Voltage | 3.6 V |
| Battery Capacity | 1500 mAh |
| Charging Time | 3-5 hours |
| No-Load Speed | 250 RPM |
| Maximum Torque | 4 Nm |
| Chuck Type | 1/4-inch Hex Quick-Release |
| Direction Control | Forward/Reverse Switch |
| Built-in LED Light | Yes, work area illumination |
| Speed Control | Variable speed trigger |
| Dimensions (L x W x H) | 210 x 45 x 65 mm |
| Weight | 0.55 kg |
| Included Accessories | 25mm bits, USB charging cable, storage case |
| Safety Features | Overload protection, lock switch |
| Maintenance | Clean with dry cloth, avoid water contact |
| Repairability | Spare parts available, service center support |
| Warranty | 1 year limited warranty |
Frequently Asked Questions - HER-235 Steren
How do I charge the HER-235 screwdriver?
Connect the USB charging cable to a power adapter and the charging port on the screwdriver. The LED indicator turns red while charging and green when fully charged. Charge time is approximately 3-5 hours.
Can I use the screwdriver while it is charging?
No, the device is not designed for use during charging. Disconnect the charger before operating.
What bits are compatible with the HER-235?
It uses standard 1/4-inch hex bits with quick-release chuck. Most standard screwdriver bits will work.
How do I change the direction of rotation?
Slide the forward/reverse switch near the trigger. The forward position drives screws in, and the reverse position removes them.
What should I do if the screwdriver stops working?
Check the battery charge, ensure the lock switch is off, and inspect the bit for damage. If it still doesn't work, contact Steren support.
How do I maintain the screwdriver?
Wipe the exterior with a dry cloth. Do not use water or solvents. Store in a dry place and periodically recharge the battery.
Is the battery replaceable?
Yes, the lithium-ion battery pack can be replaced. Contact Steren service center for spare parts.
Can I use it to drill holes?
This device is a screwdriver, not a drill. It is designed for driving and removing screws, not drilling into hard materials.
What safety precautions should I take?
Wear safety glasses, keep fingers away from the bit, and ensure the tool is off when changing bits. Do not exceed the maximum torque.
Does it come with a charging adapter?
The package includes a USB cable but not a wall adapter. Use any standard USB power adapter (5V, 1A) to charge.
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USER MANUAL HER-235 Steren
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Product information
Brand : Steren
Model : HER-235
Category : Screwdriver