Kamasa-TOOLS K 10251 User manual

Operating instructions K 10251
Cordless
two speed
drill/driver

2 Kamasa Tools is a trade mark of KG Knutsson AB, SE 191 81 Sollentuna, Sweden, Phone [phone] www.kamasatools.com
Operational precautions
General safety instructions
WARNING!
1. Consider work area environment. Do not expose tools to rain. Do not use tools in damp or wet
locations – Keep work area clean and well lit. Do not use tools in the present of ammable liquids
or gases.
2. Guard against electric shock. Avoid body contact with earthed or grounded surfaces.
3. Keep children away. Do not let visitors touch the tools or extension cord. All visitors should be kept
away from work area.
4. Store idle tools. When not in use, tool should be stored in a dry locked up place, out of reach of
children.
5. Do not force the tool. It will do the job better and safer at the rate for which it was intended.
6. Stay alert. Watch out what you are doing–Use common sense. Do not operate tool when you are
tired. Check damaged parts. Before further use of the tool, a guard or other part is damaged should
be carefully checked to determine that it will operate properly and perform its intended function.
7. Check for alignment of moving parts, blinding of moving parts, breakage of parts, mounting and any
other condition that may affect its operation.
8. A guard or other parts that is damaged should be properly repaired or replaced by an authorized
service center unless otherwise indicated in this instruction manual. Have defective switches
replaced by an authorized service center. Do not use tool if switch does not turn it on.
9. To ensure the designed operational integrity of power tools, do not remove installed cover or screws.
10. Use your tool at lower input than specied on the nameplate, otherwise, the nish may be spoiled and
working efciency reduced by motor overload.
11. Do not wipe plastic parts with solvent. Solvents such as gasoline, thinner, benzene, carbon
tetrachloride, alcohol, ammonia and oil containing chloric annex may damage and crack plastic
parts. Do not wipe them with such solvent. Wipe plastic parts with a soft cloth lightly dampened
with soap water.
12. Dress properly. Do not wear loose clothing or jewellery. Contain long hair keep your hair, clothing,
and gloves away from moving parts.
13. Use safety equipment. Always wear eye protection, non-skid safety shoes, hard hat, or hearing
protection.
14. Do not overreach. Proper footing and balance enables better control of the tool in unexpected
situations.

Kamasa Tools is a trade mark of KG Knutsson AB, SE 191 81 Sollentuna, Sweden, Phone [phone] www.kamasatools.com 3
Product safety instructions
WARNING!
1. Disconnect battery pack from tool or place the main switch in the locked or off position before
making any adjustments, changing accessories, or storing the tool. Such preventative safety
measures reduce the risk of starting the tool accidentally.
2. Remove adjusting keys or wrenches before turning the tool on . A wrench or a key that is left attached
to a rotating part of the tool may result in personal injury.
3. Use clamps or other practical way to secure and support the work piece to a stable platform. Holding
the work by hand or against your body is unstable and may lead to a loss of control.
4. Maintain tools with care. Keep cutting tools sharp and clean. Properly maintained tools, with sharp
cutting edges are less likely to bind and are easier to control.
5. Use only accessories that are recommended by the manufacturer for your model. Accessories that
may be suitable for one tool may create a risk of injury when used on another tool.
Important safety instructions for charger & battery pack
WARNING!
1. Caution: To reduce risk of injury, charge only specic type rechargeable battery packs. Other types of
battery packs may burst causing personal injury and damage.
2. Before using charger, read all instructions and cautionary markings on battery packs and chargers.
3. Do not expose charger to rain or snow.
4. To reduce the risk of damage to electric plug and cord, pull by plug rather than cord when
disconnecting charger.
5. Use of an attachment not recommended or sold by the charger manufacture may result in a risk of
re, electric shock, or injury to persons.
6. Make sure cord is located so that it will not be stepped on, tripped on, tripped over, or otherwise
subjected damage or stress.
7. Do not operate charger with damaged cord or plug. Replace them immediately.
8. Do not operate charger if it has received a sharp blow, been dropped, or otherwise damage in any
way, take it to qualied center.
9. To reduce risk of electric shock, unplug charger from outlet before attempting any maintenance
or cleaning. Turning off controls will not reduce this risk.
10. Do not disassemble charger or battery pack, take it to a qualied service center while repair is
required. Incorrect reassembling may result in a risk of electric shock or re.

4 Kamasa Tools is a trade mark of KG Knutsson AB, SE 191 81 Sollentuna, Sweden, Phone [phone] www.kamasatools.com
Additional safety rules for charger & battery pack
WARNING!
1. Do not charge battery pack when temperature is below 10°C (50°F) or above 40°C (104°F).
2. Do not attempt to use a set-up transformer, an engine generator or DC power receptacle.
3. Do not allow anything to cover or clog the charger vents.
4. Always cover the battery pack terminals with the battery pack cover when the battery pack: is
not used.
5. Do not short the battery pack.
6. Do not touch the terminals with any conductive material.
7. Avoid storing battery pack in a container with other metal objects such as nails, coins, etc.
8. Do not expose battery pack to water or rain, A battery pack short can use large current ow,
overheating, possible burns and even a breakdown.
9. Do not store the machine and battery pack in locations where the temperature may reach or
exceed 50°C (122°F)
10. Do not incinerate the battery pack even if it is severely damaged or completely worn out.
The battery pack can explode in a re.
11. Be careful not drop, shake or strike battery pack.
12. Do not charge inside a box or container of any kind. The battery pack must be placed in a well
ventilated area during charging.
13. Do not leave batteries unused for extended period of time. Recharge the battery every 3–6 months
and bring Li-Ion battery to 40–80% charge level before storage.
14. Li-Ion batteries are sensitive to high temperature and should be kept in a cool, dry and out of direct
light exposure. Ideal temperature for operation and storage is below 25°C (77°F).
15. This product is designed with low voltage protection, which prevents the tool from over discharging
and prolong battery’s life span.

Kamasa Tools is a trade mark of KG Knutsson AB, SE 191 81 Sollentuna, Sweden, Phone [phone] www.kamasatools.com 5
Model No. K 10251 (Replaceable carbon brush motor)
Voltage 14.4V dc
No load speed/min High 0–1170 rpm
Low 0–325 rpm
Max Torque 40Nm (29.5 ft-lb)
Tool weight (with battery) 1.9 kg
Chuck capacity Keyless 3/8" (10 mm)
Clutch 17 sections
Charging Time 1 hour Auto Cut-Off
Recycle
Do not throw in garbage
a.c. Alternating current
W Watts
mm Millimeter
kg-cm Kilograms per centimeter
rpm Revolutions or Reciprocations per minute
Class II tool
V Volts
Hz Hertz
kg Kilograms
d.c. Direct current
ft-lb Foot-Pound
Specic safety rules and/or symbols

6 Kamasa Tools is a trade mark of KG Knutsson AB, SE 191 81 Sollentuna, Sweden, Phone [phone] www.kamasatools.com
Major components
Accessory
Chuck
Torque adjustment ring High/low speed knob
Main Switch
Fuel Gauge Label
Battery knob
Forward/Reverse knob
Battery Pack
Charger

Kamasa Tools is a trade mark of KG Knutsson AB, SE 191 81 Sollentuna, Sweden, Phone [phone] www.kamasatools.com 7
Fig 1
Fig 2
Fig 3
Operating Instructions
Installing or Removing Battery Pack
(See Fig.1 Fig.2)
1. Always switch off the machine before insertion or removal of the
battery pack.
2. To remove the battery pack, push the button on the battery pack and
pull the tool unit from the battery pack in the direction.(See Fig.1.)
3. To insert the battery pack, align the tool unit slides with the battery pack
sliding groove and push the tool unit into place. (See Fig.2)
4. Do not force the battery pack in sliding it into tool unit. If the battery pack
does not slide in easily, it is not being inserted correctly.
Charging The Battery Pack
(See Fig.3)
1. Plug the fast charger into the power source.
2. Slide the battery pack into the charger as the arrow direction shown
on the charger.
3. Push the battery pack into place and make sure the red light on the
charger is “ON”. The battery pack is now starting the charging cycle.
4. After nish the charging cycle, the light will turn into green. The battery
pack is now ready for use.
5. Your new battery pack is not charged. You need to charge it before use.
6. If you try to charge a battery pack from a just-operated machine, some-
times the charging light will not come on. If this occurs, let the battery
pack cool for a while then re-insert it and try to charge again.
7. When you charge a new battery pack or a battery pack which has not
been used for a long period, it may not accept a full charge. This is a
normal condition and does not indicate a problem. You can recharge the
battery pack fully after discharging it completely a couple of times.
8. While charging the second battery, allow the charger to cool down for
15 minutes before start the second charging process.
9. Unplug the charger from the power source after nish the charge.

8 Kamasa Tools is a trade mark of KG Knutsson AB, SE 191 81 Sollentuna, Sweden, Phone [phone] www.kamasatools.com
WARNING!
1. Charger can only be plugged into a 100-240V a.c outlet.
2. If the battery pack is too hot or too cold, the charger will not fast charge the battery pack and the red
Indicator light is “blinking”. When the battery pack temperature returns to between 0 C and 50 C,
the charger will automatically begin charging.
3. If both red and green indicator lights are “ON” the battery pack either does not comply or is defective.
Please contact your retailer.
4. Do not charge the battery pack in rain, snow or high temperature environment.
5. Do not charge battery pack when temperature is below 10°C (50°F)or above 40°C (104°F)
6. While charging a cool battery pack (below 5°C or 41°F) in warm indoor temperatures, keep the battery
pack in the room for one hour to warm up before charging. A cool battery may charge unsaturated.
7. Remove the plug after nishing the charge.
8. Do not use generator for charging the battery pack
LED light on the charger
Power On (Green light ashes slowly)
Battery low (Red light stays illuminated)
Battery charged 80% (Green light ashes rapidly)
Battery charged 100% (Green light stays illuminated)
Battery pack temperature is too hot or too cold (Red light ashes slowly)
Battery pack malfunction (Red and Green lights stay illuminated)
LED Indication Function
The Battery Pack has a “SW” button and 4-step green LEDs for indicating
remaining capacity status and Over temperature condition. The remaining
capacity (RC) and temperature protection status green LED indications
(3 seconds) when the “SW” button is momentarily pressed.
POWER INDICATION
Remaining Capacity LED Indication RC Status
LED 1 (green) 0%- 25%
LED 1, 2 (green) 26%-50%
LED 1, 2, 3 (green) 51%-75%
LED 1, 2, 3, 4 (green) 76%-100%
LED 1 blinking (0.25 sec/green) Fully Depleted
LED 1, 2, 3, 4 blinking (0.5 sec/ green) Over temperature condition

Kamasa Tools is a trade mark of KG Knutsson AB, SE 191 81 Sollentuna, Sweden, Phone [phone] www.kamasatools.com 9
High Speed
(For drill)
Forward/Reverse knob
Low Speed
(For screwdriver)
Select the speed by pushing
the High / Low Speed Knob
Tool operation
Reverse
Forward

10 Kamasa Tools is a trade mark of KG Knutsson AB, SE 191 81 Sollentuna, Sweden, Phone [phone] www.kamasatools.com
Inserting and removing bits
To remove a bit, turn the “A”part by counter clockwise.
To insert a bit, turn the “A” part by clockwise.
Forward/reverse selection button
Press the button to select the direction.
High/Low speed selection
Use the “High” for drilling application.
Use the “Low” form screwdriver application.
Select the applied torque
Use the 17 sections adjustment ring to select the
right torque for your application.
Drill mode
Turn the torque ring to the sign for the maximum
torque position if you would like to drill on wood.
Replacement of the chuck
1. Turn chuck counter clockwise until it is fully open
2. Release the left hand screw inside the chuck
Turn counter clockwise
Insert the bit
Remove the bit
Turn clockwise

Kamasa Tools is a trade mark of KG Knutsson AB, SE 191 81 Sollentuna, Sweden, Phone [phone] www.kamasatools.com 11
No Parts name Qt Spare part No
1 Chuck screw 1
2Keyless chuck 1
3Gear boc ass’y 1 K 10265
4High/low speed knob 1 K 10267
5Knob spring 1
6 Speed change ring 1
7 Motor connector 1
8 Screw 2
9Motor ass’y 1 K 10266
10 Forward/reverse knob 1
11 Main switch 1 K 10268
12 Discharge protector 1
13 Battery connector 1
No Parts name Qt Spare part No
14 Housing L&R 1
15 Belt 1
16 Soft grip 1
17 Housing screw 7
18 Housing label (R) 1
19 Housing label (L) 1
20 Battery pack 1 K 10255
21 Charger 1 K 10258
22 Battery label 1
23 Fuel gauge label 1
24 Charger upper label 1
25 Charger lower label 1
26 Power cord 1
K 10251
1
2
3
6
4
5
8
7
9
10
11
12
13
14
14
15
16
17
18
19
20
21
22
23
24
25
26

Kamasa Tools is a trade mark of
KG Knutsson AB,
SE 191 81 Sollentuna, Sweden,
Phone [phone]
www.kamasatools.com