Chicago Electric 45790 Manuale utente

24 VOL24 VOL

24 VOLTT

T, 1/2 INCH, 1/2 INCH

, 1/2 INCH, 1/2 INCH

, 1/2 INCH

HAMMER DRILL KITHAMMER DRILL KIT

HAMMER DRILL KIT

ASSEMBLY AND OPERATING INSTRUCTIONS

3491 Mission Oaks Blvd., Camarillo, CA 93011

Visit ourWeb site at http://www.harborfreight.com

this manual or any artwork contained herein may be reproduced in any shape or

form without the express written consent of Harbor Freight Tools.

For technical questions and replacement parts,please call 1-800-444-3353

45790

Page 2SKU 45790

Specifications

ITEM DESCRIPTION

Drill:

24 VDC; 2-speed: 0 to 450 and 0 to 1500 RPM

Variable speed switch

1/2 inch Jacobs keyless chuck

Hammer function: 7,200 and 24,000 BPM

Drill/Hammer function switch

All metal gears

Reverse button

Mechanical brake

Battery Charger One hour quick charger

Input voltage: 110 VAC

Output voltage: 7.2 to 24 VDC at 1.5 amps

Battery 1.3 amp-hour Panasonic battery cells

Total Weight 6.25 Lbs. (with battery)

Accessories 1 - Carrying Case

2 - Double-ended screw bits

Save This Manual

You will need the manual for the safety warnings and precautions, assembly instructions,

operating and maintenance procedures, parts list and diagram. Keep your invoice with this

manual. Write the invoice number on the inside of the front cover. Keep the manual and

invoice in a safe and dry place for future reference.

Safety Warnings and Precautions

WARNING: When using tool, basic safety precautions should always be followed to reduce

the risk of personal injury and damage to equipment.

Read all instructions before using this tool!

1. Keep work area clean. Cluttered areas invite injuries.

2. Observe work area conditions. Do not use machines or power tools in damp or wet

locations. Don’t expose to rain. Keep work area well lighted. Do not use electrically

powered tools in the presence of flammable gases or liquids.

3. Keep children away. Children must never be allowed in the work area. Do not let

them handle machines, tools, or extension cords.

4. Store idle equipment. When not in use, tools must be stored in a dry location to

inhibit rust. Always lock up tools and keep out of reach of children.

5. Do not force tool. It will do the job better and more safely at the rate for which it was

intended. Do not use inappropriate attachments in an attempt to exceed the tool

capacity.

Page 3SKU 45790

6. Use the right tool for the job. Do not attempt to force a small tool or attachment to do

the work of a larger industrial tool.There are certain applications for which this tool

was designed. Do not modify this tool and do not use this tool for a purpose for which it

was not intended.

7. Dress properly. Do not wear loose clothing or jewelry as they can be caught in

moving parts. Protective, electrically non-conductive clothes and non-skid footwear

are recommended when working. Wear restrictive hair covering to contain long hair.

8. Use eye and ear protection. Always wear ANSI approved impact safety goggles.

Wear a full face shield if you are producing metal filings or wood chips.Wear an ANSI

approved dust mask or respirator when working around metal, wood, and chemical

dusts and mists.

9. Do not overreach. Keep proper footing and balance at all times. Do not reach over or

across running machines.

10. Maintain tools with care. Keep tools sharp and clean for better and safer

performance. Follow instructions for lubricating and changing accessories. Inspect tool

cords periodically and, if damaged, have them repaired by an authorized technician.

The handles must be kept clean, dry, and free from oil and grease at all times.

11. Disconnect power. Unplug charger when not in use.

12. Avoid unintentional starting. Be sure the switch is in the Off position when not in

use.Do not carry any tool with your finger on the trigger.

13. Stay alert. Watch what you are doing, use common sense. Do not operate any tool

when you are tired.

14. Check for damaged parts. Before using any tool, any part that appears damaged

should be carefully checked to determine that it will operate properly and perform its

intended function. Check for alignment and binding of moving parts; any broken parts

or mounting fixtures; and any other condition that may affect proper operation.Any

part that is damaged should be properly repaired or replaced by a qualified

technician. Do not use the tool if any switch does not turn On and Off properly.

14. Replacement parts and accessories. When servicing, use only identical

replacement parts. Use of any other parts will void the warranty. Only use accessories

intended for use with this tool. Approved accessories are available from Harbor

Freight Tools.

15. Do not operate tool if under the influence of alcohol or drugs. Read warning

labels on prescriptions to determine if your judgment or reflexes are impaired while

taking drugs. If there is any doubt, do not operate the tool.

16. Caution: some woods contain perservatives such as copper chromium arsenate

(CCA) which can be toxic. When cutting these materials extra care should be taken to

avoid inhalation and minimize skin contact.

Note: Performance of this tool may vary depending on the battery charge level.

Page 4SKU 45790

Warning:The warnings,cautions,and instructions discussed in this instruction manual

cannot cover all possible conditions and situations that may occur. It must be under-

stood by the operator that common sense and caution are factors which cannot be

built into this product, but must be supplied by the operator.

Unpacking

When unpacking, check to make sure that all parts are included.Refer to the Specifications

table and the Parts List. If any parts are missing or broken, please call Harbor Freight Tools

at the number on the cover of this manual as soon as possible.

Battery Precautions

1. Read all instructions and warnings on the battery before charging the battery.

2. To avoid accidents, charge the supplied battery only. Do not use a different charger

with this battery.

3. Do not expose the battery to rain or wet conditions.

4. To avoid damage of cable and plug, never pull the cable to disconnect the charger.

5. Do not use the charger if the cable or plug are damaged.

6. Repairs should be carried out by a qualified technician only.

7. Do not touch the battery poles with any conductive source.

8. Do not store the battery in a box with other metal objects.

9. Do not throw the battery in a fire.

Charging Battery

The Battery (25) does not come charged from the factory. Charge before using. Refer to

top photos on next page.

1. Slide the Battery (25) into the Battery Charger (31). The battery can only insert one

way using the guide tabs.

Hammer Drill

Battery Charger (31) Battery (25)

Double-ended Screw Bits (28)

Page 5SKU 45790

2. Plug the Battery Charger (31) into an electrical outlet.

Verify that the charging indicator light comes on. If it does not come on, check the

power connection or try a different wall outlet. Charge the new battery until the

charging indicator goes off, and the charged indicator comes on.When battery is fully

charged, the charger will automatically shut off.

Note:Avoid damage to the battery by not overcharging, or storing in an area of high tempera-

ture.

3. After charging, unplug the Battery Charger from the electrical outlet.

4. Slide the Battery (25) into the receptacle at the handle-bottom of the drill.

Note: the operation time of a new battery will ramp up as it is properly used and recharged

(minimum of five recharges).

If charging more than one battery, allow the Battery Charger to cool down before reusing.

Operation

Inserting and Removing Drill and Screw Bits

The cordless drill is equipped with a keyless chuck. Follow these steps to insert bit.Refer to

the photo on next page.

1. Hold the Chuck Sleeve firmly while turning the Chuck (29) counterclockwise until the

opening is large enough to accept the drill bit or screw driver bit.

2. Insert bit and turn Chuck clockwise until it is locked on the bit.

3. Reverse procedures to remove a bit.

Charging Indicator

Charged Indicator

Battery (25)

Battery Charger (31)

Page 6SKU 45790

Drill / Hammer Function

1. To set the hammer function, turn the Impact Clutch (3) completely counterclockwise.

When drilling, you will be able to feel and hear the hammer action.

2. To remove the hammer function, turn the Impact Clutch completely clockwise.

DrillTorque Selector

The Torque Selector (15) dial is indicated by the number 1 through 3; Lowest torque:posi-

tion #1. Highest torque: position #3.

For example, position #1 (low torque) is appropriate for driving screws into wood without

stripping the screw, but would not provide enough torque for drilling. Position #2 and up

(high torque) are appropriate for drilling.

Drill Operation

1. Insert drill or screw bit into the Chuck (29) and hand tighten.

2. Press the Forward/Reverse Switch (26) to desired position.

Right position

: drill or fasten (clockwise).

Left position

: removing fasteners or freeing bits (counterclockwise).

3. Set the two-position Speed Switch (16) for the desired speed.

Position 1 for fast (0 ~ 1500 RPM); Position 2 for slow (0 ~ 450 RPM)

4. Set theTorque Selector (15) to the desired position.

Chuck (29)

Chuck Sleeve Speed Switch (16)

Torque Selector (15)

Impact Clutch (3)

Variable Speed Switch (23)

Forward / Reverse Switch (26)

Double-ended Screw Bits (28)

Battery Pack (25)

Battery Release Button

Page 7SKU 45790

5. Set the Impact Clutch (3) for normal drilling or hammer (impact) drilling.

The impact drill setting (indicated by a hammer symbol) is typically used for drilling

cement or other hard and brittle materials.

6. Press (and hold) the Variable Speed Switch (23) to turn drill On.

This Switch varies the speed depending on how far in it is pressed.

Avoid overloading the drill. Always use sharpened drill bits. Do not apply excessive

pressure to the drill while drilling. If the drill speed drops abnormally, decrease pressure

immediately. If the bit stops abruptly, or the bit becomes stuck, release Switch at once.

Removing Battery

1. Press (and hold) on the Battery Release Button.

2. Slide the Battery out of the Drill handle.

WARNING: Some dust created by power sanding,sawing, grinding, drilling, and other

construction activites, contain chemicals known [to the State of California] to cause

cancer, birth defects or other reproductive harm. Some examples of these chemicals

are:

•Lead from lead-based paints

•Crystalline cilica from bricks and cement or other masonry products

•Arsenic and chromium from chemically treated lumber

Your risk from these exposures varies, depending on how often you do this type of

work. To reduce your exposure to these chemicals: work in a well ventilated area, and

work with approved safety equipment, such as those dust masks that are specially

designed to filter out microscopic particles.(California Health & Safety Code 25249.5,

et seq. )

Maintenance

1. Keep tools clean by wiping with a damp cloth.

2. Store tools in carrying case when not using, avoiding high temperature storage area.

3. When the battery becomes weak, and the tool loses power, keep the tool turned On

until the battery is completely drained before recharging. This will ensure a full

recharge.

4. Recharge battery monthly when not in use to maintain battery life.

5. Using a rag and light oil, wipe drill bits and other steel parts to keep them from rusting.

Page 8SKU 45790

NOTE:Someparts arelistedand shown

forillustrationpurposesonlyandare not

available individually as replacement

parts.

Parts List

Item # Description

1 Stun Screw

2 Stun Screw

3 Impact Clutch

4 Bearing

5 Impact Gear and Shaft Assy

6 Right Case

7Plate

8 Iron Ball

9Plate

10 Spring

11 Stun Screw

12 Master Impact Gear

13 Impact Setting Plate

14 Impact Adjustable Frame

15 Torque Selector

16 Speed Switch

17 Top Place

18 Radiator

19 3-hole Connector

20 Plate

21 Screw

22 V-MOS Tube

23 Variable Speed Switch

24 Battery Clamp

25 Battery Pack

26 Forward / Reverse Switch

27 Left Case

28 Double-ended Screw Bits

29 Chuck

30 Stun Screw

31 Battery Charger

Chuck Screw *

* 5mm x .80mm pitch x 20mm long, left hand, countersunk head

REV 10/04

Page 9SKU 45790

Assembly Drawing

PLEASE READTHE FOLLOWING CAREFULLY

THEMANUFACTURERAND/ORDISTRIBUTOR HASPROVIDEDTHE PARTSDIAGRAMINTHISMANUAL

AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER NOR DISTRIBUTOR MAKES ANY

REPRESENTATION OR WARRANTY OF ANY KIND TOTHE BUYER THAT HE OR SHE IS QUALIFIED TO

MAKE ANY REPAIRS TOTHE PRODUCT ORTHAT HE OR SHE IS QUALIFIEDTO REPLACE ANY PARTS

OFTHE PRODUCT. IN FACT,THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY STATES THAT

ALLREPAIRSANDPARTS REPLACEMENTSSHOULDBEUNDERTAKEN BY CERTIFIEDANDLICENSED

TECHNICIANS AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING

OUTOF HIS OR HER REPAIRSTOTHEORIGINALPRODUCT OR REPLACEMENTPARTSTHERETO, OR

ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.

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