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Safety precautions
for grounded tools
Read all instructions
Warning!
The following fundamental safety precautions must
always be observed when using electric tools/machines
as protection against an electric shock, the risk of injury
and a fire hazard. Please read and take note of these pre-
cautions before you use the tool/machine. Please read
and keep these safety precautions in a safe place!
1. Keep Work Area Clean. Cluttered areas and benches invite
injuries.
2. Consider Work Area Environment. Don't expose power
tools to rain. Don't use power tools in damp or wet locations. Keep
work area well lit. Do not use tool in presence of flammable liquids
or gases.
3. Guard Against Electric Shock. Prevent body contact with
grounded surfaces. For example; pipes, radiators, ranges, refriger-
ator enclosures.
4. Keep Children Away. Do not let visitors contact tool or exten-
sion cord. All visitors should be kept away from work area.
5. Store Idle Tools. When not in use, tools should be stored in
dry, and high or locked-up place – out of reach of children.
6. Don't Force Tool. It will do the job better and safer at the rate
for which it was intended.
7. Use Right Tool. Don't force small tool or attachment to do the
job of a heavy-duty tool. Don't use tool for purpose not intended –
for example – don't use circular saw for cutting tree limbs or logs.
8. Dress Properly. Do not wear loose clothing or jewelry. They can
be caught in moving parts. Rubber gloves and non-skid footwear
are recommended when working outdoors. Wear protective hair
covering to contain long hair.
9. Use Safety Glasses. Also use face or dust mask if cutting oper-
ation is dusty.
10. Don't Abuse Cord. Never carry tool by cord or yank it to dis-
connect from receptacle. Keep cord from heat, oil, and sharp
edges.
11. Secure Work. Use clamps or a vise to hold work. It's safer
than using your hand and it frees both hands to operate tool.
12. Don't Overreach / Maintain Control. Keep proper footing and
balance at all times.
13. Maintain Tools With Care. Keep tools sharp and clean for bet-
ter and safer performance. Follow instructions for lubricating and
Contents
Safety precautions
1. DD-80 E/RA
diamond coring system
2. DD-80 E/RA
diamond coring machine
3. Additionel safety precautions
4. Technical data
5. Assembling the system
components
6. Selecting the method
of fastening the coring unit
7. Preparing the coring system
for use
8. Operating the system
9. Maintenance
10. Warranty
Always wear ear
Always wear
Always wear safety
protectors.
protective gloves.
glasses.
2
Printed: 07.07.2013 | Doc-Nr: PUB / 5069606 / 000 / 00
changing accessories. Inspect tool cords periodically and if dam-
aged, have repaired by authorized service facility. Inspect exten-
sion cords periodically and replace if damaged. Keep handles dry,
clean, and free from oil and grease.
14. Disconnect Tools. When not in use, before servicing and
when changing accessories, such as blades, bits, cutters.
15. Remove Adjusting Keys and Wrenches. Form habit of check-
ing to see that keys and adjusting wrenches are removed from tool
before turning it on.
16. Avoid Unintentional Starting. Don't carry tool with finger on
switch. Be sure switch is off when plugging in.
16A. Extension Cords. 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. The following table shows the correct
size to use depending on cord length and nameplate ampere rat-
ing. If in doubt, use the next heavier gage. The smaller the gage
number, the heavler the cord.
Extension Cord Table
Volts
120 V
240 V
Ampere Rating
More Than
Not More Than
0
6
6
10
10
12
12
16
17. Outdoor Use Extension Cords. When tool is used outdoors,
use only extension cords intended for use outdoors and so
marked.
18. Stay Alert. Watch what you are doing. Use common sense.
Do not operate tool when you are tired.
19. Check Damaged Parts. Before further use of the tool, a guard
or other part that is damaged should be carefully checked to deter-
mine that it will operate properly and perform its intended func-
tion. Check for alignment of moving parts, binding of moving
parts, breakage of parts, mounting, and any other conditions that
may affect its operation. A guard or other part that is damaged
should be properly repaired or replaced by an authorized service
center unless otherwise indicated elsewhere in this instruction
manual. Have defective switches replaced by authorized service
center. Do not use tool if switch does not turn it on and off.
20. Only use accessories and attachments which are given in the
operating instructions or in the respective catalogue. The use of
accessories or insert tools or attachments other than those speci-
Page
1. DD-80 E/RA diamond coring system
2
2
3
3
4
5
5
5
7
7
7
DD-HS-RA
DD-WC-S
Total Length of Cord in Feet
0–25
26– 50
51–100
101–150
0–50
51–100
101–200
201–300
AWG
18
16
16
14
18
16
14
12
16
16
14
12
14
12
Not recommended
Œ
Ž
DD-VH 1
fied in the operating instructions can result in personal injury to
you.
21. Only have repairs carried out by recognized electrical spe-
cialists. This electric tool/machine complies with respective safety
regulations. Repairs may only be carried out by an electrical spe-
cialist otherwise an accident hazard for the operator can exist.
22. Wear ear protectors when using for extended periods.
23. Always use any supplied side handle, and keep it tightly
secured; use both hands during operation. Firm control of the tool
is necessary should the tool bind.
24. Hold Tool by Handle(s) Provided. Do not touch uninsulated
parts of tool when drilling. Exposed metal surfaces may be made
live if the tool drills into electrical wiring.
25. Grounding instructions. This tool should be grounded while in
use to protect the operator from electric shock. The tool is
equipped with a 3-conductor cord and 3-prong grounding type
plug to fit the proper grounding type receptacle. The green (or
green and yellow) conductor in the cord is the grounding wire.
Never connect the green (or green and yellow) wire to a live termi-
nal. If your unit is for use on less than 150 V, it has a plug that
looks like that shown in sketch (A) in Figure «Grounding Meth-
ods». An adapter, see sketch (B), is available for connecting sketch
(A) type plugs to 2-prong receptacles. The green-colored rigid ear,
lug, or the like, extending from the adapter must be connected in a
permanent ground, such as a properly grounded outlet box.
GROUNDING METHODS
metal screw
cover of grounded
outlet box
(A)
grounding pin
26. Extension Cords. Use only 3-wire extension cords that have 3-
prong grounding-type plugs and 3-pole receptacles that accept the
tool's plug. Replace or repair damaged cords.
27. Replacement parts. When servicing use only identical
replacement parts.
Save these instructions.
1. DD-80 E motor unit
2. DD 80-RA/DD 100-RA drill stand
3. DD-VH1 vacuum baseplate
4. DD-WC-S water collector
5. DD-HS-RA holder
6. Vacuum pump
‘
DCM 1
(B)
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