MAKITA HP1621 User Manual

Hammer Drill  
MODEL HP1620  
MODEL HP1620F  
MODEL HP1621  
MODEL HP1621F  
004358  
DOUBLE  
INSULATION  
I N S T R U C T I O N M A N U A L  
WARNING:  
For your personal safety, READ and UNDERSTAND before using.  
SAVE THESE INSTRUCTIONS FOR FUTURE REFERENCE.  
trician to install a polarized outlet. Do not  
change the plug in any way. Double insula-  
13. Do not overreach. Keep proper footing  
and balance at all times. Proper footing and  
balance enables better control of the tool in  
unexpected situations.  
tion  
eliminates the need for the three wire  
grounded power cord and grounded power  
supply system.  
14. Use safety equipment. Always wear eye  
protection. Dust mask, non-skid safety  
shoes, hard hat, or hearing protection must  
be used for appropriate conditions. Ordinary  
eye or sun glasses are NOT eye protection.  
5. Avoid body contact with grounded sur-  
faces such as pipes, radiators, ranges and  
refrigerators. There is an increased risk of  
electric shock if your body is grounded.  
Tool Use and Care  
6. Do not expose power tools to rain or wet  
conditions. Water entering a power tool will  
increase the risk of electric shock.  
15. Use clamps or other practical way to  
secure and support the workpiece to a  
stable platform. Holding the work by hand or  
against your body is unstable and may lead  
to loss of control.  
7. Do not abuse the cord. Never use the cord  
to carry the tools or pull the plug from an  
outlet. Keep cord away from heat, oil,  
sharp edges or moving parts. Replace  
damaged cords immediately. Damaged  
cords increase the risk of electric shock.  
16. Do not force tool. Use the correct tool for  
your application. The correct tool will do the  
job better and safer at the rate for which it is  
designed.  
8. When operating a power tool outside, use  
an outdoor extension cord marked “W-A”  
or “W”. These cords are rated for outdoor  
use and reduce the risk of electric shock.  
17. Do not use tool if switch does not turn it  
on or off. Any tool that cannot be controlled  
with the switch is dangerous and must be  
repaired.  
Personal Safety  
18. Disconnect the plug from the power  
source before making any adjustments,  
changing accessories, or storing the tool.  
Such preventive safety measures reduce the  
risk of starting the tool accidentally.  
9. Stay alert, watch what you are doing and  
use common sense when operating a  
power tool. Do not use tool while tired or  
under the influence of drugs, alcohol, or  
medication. A moment of inattention while  
operating power tools may result in serious  
personal injury.  
19. Store idle tools out of reach of children  
and other untrained persons. Tools are  
dangerous in the hands of untrained users.  
10. Dress properly. Do not wear loose cloth-  
ing or jewelry. Contain long hair. Keep  
your hair, clothing, and gloves away from  
moving parts. Loose clothes, jewelry, or  
long hair can be caught in moving parts.  
20. 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.  
11. Avoid accidental starting. Be sure switch  
is off before plugging in. Carrying tools with  
your finger on the switch or plugging in tools  
that have the switch on invites accidents.  
21. Check for misalignment or binding of  
moving parts, breakage of parts, and any  
other condition that may affect the tools  
operation. If damaged, have the tool ser-  
viced before using. Many accidents are  
caused by poorly maintained tools.  
12. 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
22. Use only accessories that are recom-  
mended by the manufacturer for your  
model. Accessories that may be suitable for  
one tool, may become hazardous when used  
on another tool.  
tenance performed by unqualified personnel  
could result in a risk of injury.  
24. When servicing a tool, use only identical  
replacement parts. Follow instructions in  
the Maintenance section of this manual.  
Use of unauthorized parts or failure to follow  
Maintenance instructions may create a risk of  
electric shock or injury.  
SERVICE  
23. Tool service must be performed only by  
qualified repair personnel. Service or main-  
USE PROPER EXTENSION CORD: Make sure your extension cord is in good condition.  
When using an extension cord, be sure to use one heavy enough to carry the current your  
product will draw. An undersized cord will cause a drop in line voltage resulting in loss of  
power and overheating. Table 1 shows the correct size to use depending on cord length and  
nameplate ampere rating. If in doubt, use the next heavier gage. The smaller the gage num-  
ber, the heavier the cord.  
Table 1: Minimum gage for cord  
Volts  
120 V  
Total length of cord in feet  
Ampere Rating  
25 ft.  
50 ft.  
100 ft.  
150 ft.  
More Than  
Not More Than  
AWG  
0
6
10  
12  
6
18  
18  
16  
14  
16  
16  
16  
12  
16  
14  
14  
14  
12  
12  
10  
12  
16  
Not Recommended  
SPECIFIC SAFETY RULES  
USB002-2  
DO NOT let comfort or familiarity with product (gained from  
repeated use) replace strict adherence to hammer drill safety  
rules. If you use this tool unsafely or incorrectly, you can suffer  
serious personal injury.  
1. Hold tools by insulated gripping surfaces  
when performing an operation where the  
cutting tool may contact hidden wiring or  
its own cord. Contact with a livewire will  
make exposed metal parts of the tool live”  
and shock the operator.  
3. Hold the tool firmly with both hands.  
Always use the side grip.  
4. Keep hands away from rotating parts.  
5. Do not leave the tool running.  
Operate the tool only when hand-held.  
2. Always be sure you have a firm footing.  
Be sure no one is below when using the tool  
in high locations.  
4
6. Do not touch the bit or the workpiece  
immediately after operation; they may be  
extremely hot and could burn your skin.  
7. Some material contains chemicals which  
may be toxic. Take caution to prevent  
working dust inhalation and skin contact.  
Follow material supplier safety data.  
SAVE THESE INSTRUCTIONS  
WARNING:  
MISUSE or failure to follow the safety rules stated in this  
instruction manual may cause serious personal injury.  
SYMBOLS  
USD202-2  
The followings show the symbols used for tool.  
V .......................volts  
....................no load speed  
n
˚
A .......................amperes  
....................Class II Construction  
Hz .....................hertz  
.../min................revolutions or reciprocation per  
minute  
................alternating current  
................number of blow  
5
FUNCTIONAL  
DESCRIPTION  
CAUTION:  
Always be sure that the tool is switched off and  
unplugged before adjusting or checking function on the  
tool.  
004359  
Switch action  
CAUTION:  
Before plugging in the tool, always check to see that the  
switch trigger actuates properly and returns to the OFF”  
1
2
position when released.  
Switch can be locked in ONposition for ease of  
operator comfort during extended use. Apply caution  
when locking tool in ONposition and maintain firm  
grasp on tool.  
1. Switch trigger  
2. Lock button  
To start the tool, simply pull the switch trigger. Tool speed is  
increased by increasing pressure on the switch trigger.  
Release the switch trigger to stop.  
For continuous operation, pull the switch trigger and then  
push in the lock button.  
To stop the tool from the locked position, pull the switch trig-  
ger fully, then release it.  
Lighting up the lamps  
004360  
For Model HP1620F, HP1621F  
CAUTION:  
Do not look in the light or see the source of light directly.  
To turn on the lamp, pull the trigger. Release the trigger to  
turn it off.  
1
NOTE:  
1. Lamp  
Use a dry cloth to wipe the dirt off the lens of lamp. Be  
careful not to scratch the lens of lamp, or it may lower  
the illumination.  
Never use gasoline or thinner to clean the lens of the  
lamp, or it will be damaged.  
6
004361  
Reversing switch action  
This tool has a reversing switch to change the direction of  
rotation. Move the reversing switch to the  
position (A  
A
B
side) for clockwise rotation or the  
counterclockwise rotation.  
position (B side) for  
1
CAUTION:  
Always check the direction of rotation before operation.  
1. Reversing switch  
Use the reversing switch only after the tool comes to a  
complete stop. Changing the direction of rotation before  
the tool stops may damage the tool.  
If the switch trigger can not be depressed, check to see  
that the reversing switch is fully set to position  
side) or (B side).  
(A  
004362  
Selecting the action mode  
This tool has an action mode change lever. For rotation with  
hammering, slide the action mode change lever to the right  
(
symbol). For rotation only, slide the action mode  
change lever to the left (  
symbol).  
CAUTION:  
1
Always slide the action mode change lever all the way to  
1. Action mode changing lever  
your desired mode position. If you operate the tool with  
the lever positioned halfway between the mode symbols,  
the tool may be damaged.  
ASSEMBLY  
CAUTION:  
Always be sure that the tool is switched off and  
unplugged before carrying out any work on the tool.  
004363  
Installing side grip (auxiliary handle)  
Always use the side grip to ensure operating safety. Install  
the side grip on tool barrel.  
Then tighten the grip by turning clockwise securely at the  
desired position. It may be swung 360° so as to be secured  
at any position.  
1
NOTE:  
1. Side grip  
The side grip cannot swing 360° when the depth gauge  
is installed.  
7
Installing or removing drill bit  
For Model HP1620, HP1620F  
004364  
To install the bit, place it in the chuck as far as it will go.  
Tighten the chuck by hand. Place the chuck key in each of  
the three holes and tighten clockwise. Be sure to tighten all  
three chuck holes evenly.  
To remove the bit, turn the chuck key counterclockwise in  
just one hole, then loosen the chuck by hand.  
1
1. Chuck key  
After using the chuck key, be sure to return to the original  
position.  
004365  
For Model HP1621, HP1621F  
1
Hold the ring and turn the sleeve counterclockwise to open  
the chuck jaws. Place the bit in the chuck as far as it will go.  
Hold the ring firmly and turn the sleeve clockwise to tighten  
the chuck.  
2
To remove the bit, hold the ring and turn the sleeve counter-  
clockwise.  
1. Sleeve  
2. Ring  
004390  
NOTE:  
4
1
If the keyless drill chuck cannot be loosened because of  
a drill bit being caught inside the jaws of the chuck,  
loosen the drill chuck as follows.  
1. Hold the sleeve of the drill chuck firmly with water  
pump pliers or the like (Note: Do not hold the retaining  
ring portion.)  
2. Place the wrench 19, adjustable wrench or one of  
other appropriate wrenches on the hexagonal nut at the  
front of the drill chuck. Turn the wrench clockwise as  
shown in the figure to loosen the drill chuck.  
2
3
1. Sleeve  
2. Hexagonal nut  
3. Wrench 19  
4. Retaining ring  
8
004366  
Depth gauge  
The depth gauge is convenient for drilling holes of uniform  
depth. Loosen the side grip and insert the depth gauge into  
the hole in the side grip. Adjust the depth gauge to the  
desired depth and tighten the side grip.  
1
2
3
NOTE:  
The depth gauge cannot be used at the position where  
the depth gauge strikes against the tool body.  
1. Depth gauge  
2. Side grip  
3. Grip base  
Hammer drilling operation  
CAUTION:  
OPERATION  
There is a tremendous and sudden twisting force  
exerted on the tool/bit at the time of hole break-through,  
when the hole becomes clogged with chips and  
particles, or when striking reinforcing rods embedded in  
the concrete. Always use the side grip (auxiliary handle)  
and firmly hold the tool by both side grip and switch  
handle during operations. Failure to do so may result in  
the loss of control of the tool and potentially severe  
injury.  
When drilling in concrete, granite, tile, etc., move the action  
mode changing lever to the position of  
symbol to use  
rotation with hammeringaction.  
Be sure to use a tungsten-carbide tipped bit.  
Position the bit at the desired location for the hole, then pull  
the switch trigger. Do not force the tool. Light pressure gives  
best results. Keep the tool in position and prevent it from slip-  
ping away from the hole.  
Do not apply more pressure when the hole becomes clogged  
with chips or particles. Instead, run the tool at an idle, then  
remove the bit partially from the hole. By repeating this sev-  
eral times, the hole will be cleaned out and normal drilling  
may be resumed.  
9
001302  
Blow-out bulb (optional accessory)  
After drilling the hole, use the blow-out bulb to clean the dust  
out of the hole.  
1
1. Blow-out bulb  
Drilling operation  
When drilling in wood, metal or plastic materials, move the  
action mode changing lever to the position of  
symbol to  
use rotation onlyaction.  
Drilling in wood  
When drilling in wood, the best results are obtained with  
wood drills equipped with a guide screw. The guide screw  
makes drilling easier by pulling the bit into the workpiece.  
Drilling in metal  
To prevent the bit from slipping when starting a hole, make  
an indentation with a center-punch and hammer at the point  
to be drilled. Place the point of the bit in the indentation and  
start drilling.  
Use a cutting lubricant when drilling metals. The exceptions  
are iron and brass which should be drilled dry.  
CAUTION:  
Pressing excessively on the tool will not speed up the  
drilling. In fact, this excessive pressure will only serve to  
damage the tip of your bit, decrease the tool  
performance and shorten the service life of the tool.  
There is a tremendous force exerted on the tool/bit at the  
time of hole break through. Hold the tool firmly and exert  
care when the bit begins to break through the workpiece.  
A stuck bit can be removed simply by setting the  
reversing switch to reverse rotation in order to back out.  
However, the tool may back out abruptly if you do not  
hold it firmly.  
Always secure small workpieces in a vise or similar hold-  
down device.  
10  
MAINTENANCE  
ACCESSORIES  
CAUTION:  
Always be sure that the tool is switched off and  
unplugged before attempting to perform inspection or  
maintenance.  
To maintain product SAFETY and RELIABILITY, repairs, car-  
bon brush inspection and replacement, any other mainte-  
nance or adjustment should be performed by Makita  
Authorized or Factory Service Centers, always using Makita  
replacement parts.  
CAUTION:  
These accessories or attachments are recommended for  
use with your Makita tool specified in this manual. The  
use of any other accessories or attachments might  
present a risk of injury to persons. Only use accessory  
or attachment for its stated purpose.  
If you need any assistance for more details regarding these  
accessories, ask your local Makita service center.  
Drill bits  
Hammer drill bits  
Hole saws  
Blow-out bulb  
Safety goggles  
Chuck key  
Grip assembly  
Depth gauge  
Plastic carrying case  
11  
Memo  
12  
Stamp  
Timbre  
Makita Canada Inc.  
1950 Forbes Street,  
Whitby, Ontario  
L1N 7B7  
Fold  
Your answers to the following questions are appreciated.  
1.This product was purchased from?  
3. How did you first learn of Makita Power Tools?  
Hardware/lumber Store  
Tool Distributor  
Industrial Supply  
Other (  
Magazine/Newspaper  
From dealer  
Catalog  
Other (  
)
)
Store display  
2. Use of the product is intended for?  
4. Most favored points are?  
Construction trade  
Home maintenance  
Other (  
Design  
Makita Brand  
Power  
Industrial maintenance  
)
Features  
Size  
Other (  
)
Price  
5. Any comments?  
Certificate of Warranty  
Mail to Makita  
Date Purchased  
Model No.  
Serial No.  
Month  
Day  
Year 20  
Male Female  
Single  
Married  
Initial Last Name  
Street Address  
City  
Province  
Postal Code  
Under 19  
20-29  
30-39  
40-49  
Over 50  
AGE:  
Occupation:  
Dealer's Name & Address:  
Paste  
Paste  
Paste  
Paste  
Paste  
Paste  
Paste  
Paste  
Factory Service Centres  
Head Office:  
1950 Forbes St., Whitby, Ontario, L1N 7B7  
(905) 571 - 2200 1-800-263-3734  
Regional Office:  
11771 Hammersmith Way, Richmond  
B.C. V7A 5H6  
(604) 272 - 3104 1-800-663-0909  
Regional Office:  
6389 boul. Couture, St. Leonard, Quebec  
(Montreal)  
H1P 3J5  
(514) 323 - 1223 1-800-361-7049  
(902) 468 - 7064 1-888-625-4821  
Dartmouth:  
202 Brownlow Avenue  
Dartmouth, N.S., B3B 1T5  
Ville St. Laurent:  
(Montreal)  
1140 Rue Bégin, Ville St. Laurent, Quebec  
H4R 1X1  
(514) 745 - 5025 1-888-745-5025  
Les Saules:  
(Quebec)  
1200 St. Jean Baptiste, Unit 106, Les Saules,  
Quebec, G2E 5E8  
(418) 871 - 5720 1-800-663-5757  
Nepean:  
(Ottawa)  
210 Colonnade Road, Unit 11, Nepean,  
Ontario, K2E 7M1  
(613) 224 - 5022 1-888-560-2214  
Whitby:  
1950 Forbes St., Whitby, Ontario, L1N 7B7  
(905) 571 - 2200 1-800-263-3734  
London:  
317 Adelaide St. S., Unit 117, London,  
Ontario, N5Z 3L3  
(519) 686 - 3115 1-800-571-0899  
Mississauga:  
Calgary:  
6350 Tomken Rd., Unit 8, Mississauga,  
Ontario, L5T 1Y3  
(905) 670 - 7255 1-888-221-9811  
#8-6115 Fourth St. S.E., Calgary  
Alberta, T2H 2H9  
(403) 243 - 3995 1-800-267-0445  
Edmonton:  
Richmond:  
Coquitlam:  
Winnipeg:  
Saskatoon:  
11614-149 Street, Edmonton, Alberta,  
T5M 3R3  
(780) 455 - 6644 1-888-455-6644  
11771 Hammersmith Way, Richmond, B.C.,  
V7A 5H6  
(604) 272 - 3104 1-800-663-0909  
2131 Hartley Ave., #103  
Coquitlam, B.C. V3K 2Z3  
(604) 525 - 7434 1-800-266-7738  
1670 St. James Street, Winnipeg, Manitoba,  
R3H 0L3  
(204) 694 - 0402 1-800-550-5073  
206A-2750 Faithful Avenue Saskatoon,  
Saskatchewan, S7K 6M6  
(306) 931 - 0111 1-888-931-0111  
For the authorized service centre nearest you please refer to the local yellow pages directory under toolsor con-  
tact our customer service department (Tel) 1-800-263-3734  
CUSTOMER RECORD  
When you need service...  
DATE  
Explain the problem in a letter  
PURCHASED:  
Enclose the letter with the tool  
DEALERS NAME  
Package carefully and send prepaid  
& ADDRESS:  
to the nearest Makita factory or  
authorized service centre  
MODEL NO.:  
SERIAL NO.:  
15  
MAKITA LIMITED ONE YEAR WARRANTY  
Warranty Policy  
Every Makita tool is thoroughly inspected and tested before leaving the factory. It is warranted to be free of defects from  
workmanship and materials for the period of ONE YEAR from the date of original purchase. Should any trouble develop during  
this one year period, return the COMPLETE tool, freight prepaid, to one of Makitas Factory or Authorized Service Centres.  
If inspection shows the trouble is caused by defective workmanship or material, Makita will repair (or at our option, replace)  
without charge.  
This Warranty does not apply:  
where normal maintenance is required,  
repairs have been made or attempted by others,  
the tool has been abused, misused or improperly maintained,  
alterations have been made to the tool.  
IN NO EVENT SHALL MAKITA BE LIABLE FOR ANY INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES FROM  
THE SALE OR USE OF THE PRODUCT. THIS DISCLAIMER APPLIES BOTH DURING AND AFTER THE TERM OF THIS  
WARRANTY.  
The Makita Warranty is the only and the entire written warranty given by Makita for the Makita tools. No dealer or his agent  
or employee is authorized to extend or enlarge upon this warranty by any verbal or written statement or advertisement.”  
MAKITA DISCLAIMS LIABILITY FOR ANY IMPLIED WARRANTIES INCLUDING IMPLIED WARRANTIES OF  
MERCHANTABILITYAND FITNESS FOR A SPECIFIC PURPOSE,AFTER THE ONE YEAR TERM OF THIS WARRANTY.  
This Warranty gives you specific rights. The provisions contained in this warranty are not intended to limit, modify, take away  
from, disclaim or exclude any warranties set forth in any provincial legislation. To the extent required by law, the provisions in  
any provincial or federal legislation with respect to warranties take precedence over the provisions in this warranty.”  
Makita Manufacturing Europe Ltd  
Hortonwood 7 Telford, Shropshire, TF1 7YX  
884507-230  

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