Diamond DBC-16H Instruction sheet

JAN 2011

OPERATING/SAFETY ORIGINAL INSTRUCTIONS

DBC-16H

PORTABLE ELECTRIC 16MM COMBINATION

REBAR BENDER AND REBAR CUTTER

TO REDUCE THE RISK OF INJURY, YOU MUST READ AND

UNDERSTAND THIS INSTRUCTIONS

I K K CO., LTD.

396-59, ASHITAKA

NUMAZU CITY

SHIZUOKA PREF. - JAPAN

TEL +81 55 922 8811

FAX +81 55 922 2880

E-MAIL: [email protected]

CONTENTS

PAGE

GENERAL SAFETY RULES ------------------------------------ 2

PARTS NAME ------------------------------------------------------- 6

SPECIFICATION ---------------------------------------------------- 6

PRE-SUE CHECKS ------------------------------------------------- 7

CUTTING REBAR -------------------------------------------------- 8

OPERATING INSTRUCTIONS -------------------------------- 8

STOPPER BOLT ADJUSTMENT ------------------------------ 8

WARM UP --------------------------------------------------------- 8

CUTTING ---------------------------------------------------------- 9

BENDING REBAR -------------------------------------------------- 10

OPERATING INSTRUCTIONS -------------------------------- 10

WARM UP --------------------------------------------------------- 10

BENDING --------------------------------------------------------- 11

BENDING ROLLER CHART ---------------------------------- 11

BENDING/CUTTING REBAR IN-PLACE --------------------- 12

POINTS OF ATTENTION ----------------------------------------- 12

CLEANING ---------------------------------------------------------- 13

OIL-LEVEL CHECK (ADD OIL) -------------------------------- 13

BOLT TIGHTNESS ------------------------------------------------- 14

CARBON BRUSHES ----------------------------------------------- 14

OVERHAUL --------------------------------------------------------- 15

THESE TOOLS ARE FOR INDUSTRIAL USE ONLY.

GENERAL SAFETY RULES

WARNING: REARD AND UNDERSTAND ALL INSTRUCTIONS.

Failure to follow all instructions listed below may result in electric shock, fire

and/or serious injury. The term “power tool” in all of the warnings listed below refers

to your mains-operated (corded) power tool or battery-operated (cordless) power tool.

WORK AREA SAFETY

-Keep work area clean and well lit. Cluttered or dark areas invite accidents.

-Do not operate power tools in explosive atmospheres, such as in the presence of

flammable liquids, gases or dust. Power tools create sparks which may ignite the

dust or fumes.

-Keep children and bystanders away while operating a power tool. Distractions

can cause you to lose control.

ELECTRICAL SAFETY

-Power tools plugs must match the outlet. Never modify the plug in any way. Do

not use any adapter plugs with earthed (grounded) power tools. Unmodified

plugs and matching outlets will reduce risk of electric shock.

-Avoid body contact with earthed or grounded surfaces such as pipes, radiators,

ranges and refrigerators. There is an increased risk of electric shock if your body

is earthed or grounded.

-Do not expose power tools to rain or wet conditions. Water entering a power tools

will increase the risk of electric shock.

-Do not abuse the cord. Never use the cord for carrying, pulling or unplugging

the power tool. Keep cord away from heat, oil sharp edges or moving parts.

Damaged or entangled cords increase the risk of electric shock.

-When operating a power tool outdoors, use an extension cord suitable for

outdoor use. Use of a cord suitable for outdoor use reduces the risk of electric

shock.

-Do not use AC only rated tools with a DC power supply.

PERSONAL SAFETY

-Stay alert, watch what you are doing and use common sense when operating a

power tool. Do not use a power tool while you are tired or under the influence

of drugs, alcohol or medication. A moment of inattention while operating power

tools may result in serious personal injury.

-Use safety equipment. Always wear eye protection. Safety equipment such as dust

mask, non-skid safety shoes, hard hat, or hearing protection used for appropriate

conditions will reduce personal injuries.

-Avoid accidental starting. Ensure the switch is in the off-position before

plugging in. Carrying power tools with your finger on the switch or plugging in

power tools that have the switch on invites accidents.

-Remove any adjusting key or wrench before turning the power tool on. A

wrench or a key left attached to a rotating part of the power tool may result in

personal injury.

-Do not overreach. Keep proper footing and balance at all times. This enables

better control of the power tool in unexpected situations.

-Dress properly. Do not wear loose clothing or jewelry. Keep your hair, clothing

and gloves away from moving parts. Loose clothes, jewelry or long hair can be

caught in moving parts.

-If devices are provided for the connection of dust extraction and collection

facilities, ensure these are connected and properly used. User of these devices

can reduce dust-related hazards.

-Keep handles dry, clean and free from oil and grease. Slippery hands cannot

safely control the power tool.

POWER TOOL USE AND CARE

-Do not force the power tool. Use the correct power tools for your application.

The correct power tool will do the job better and safer at the rate for which it was

designed.

-Do not use the power tool if the switch does not turn in on and off. Any power

tool that cannot be controlled with the switch is dangerous and must be repaired.

-Disconnect the plug from the power source and/or the battery pack from the

power tool before making any adjustments, changing accessories, or storing

power tools. Such preventive safety measures reduce the risk of starting the power

tool accidentally.

-Do not cover air vents or operate the tool on dirt. Use a plywood base under the

tool to keep armature and fan clean. If the vents are covered, the motor will overhear

and may burn out.

-Store idle power tools out of the reach of children and do not allow persons

unfamiliar with the power tool or these instructions to operate the power tool.

Power tools are dangerous in the hands of untrained users.

-Maintain power tools. Check for misalignment or binding or moving parts,

breakage of parts and any other condition that may affect the power tools

operation. If damaged, have the power tool repaired before use. Many accidents

are caused by poorly maintained power tools.

-Keep cutting tools sharp and clean. Properly maintained cutting tools with sharp

cutting edges are less likely to bind and are easier to control.

-Use the power tool, accessories and tool bits etc., in accordance with these

instructions and in the manner intended for the particular type of power tool,

taking into account the working conditions and the work to be performed. Use

of the power tool for operations different from those intended could result in a

hazardous situation.

SERVICE

-Have your power tool serviced by a qualified repair person using only identical

replacement parts. This will ensure that the safety of the power tool is maintained.

SPECIFIC SAFETY RULES

-Hold power tool by insulated gripping surfaces when performing an operation

where the cutting tool may contact hidden wiring or its own cord. Contact with a

“live” wire will make exposed metal parts of the tool “live” and shock the operator.

-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.

-Never leave the trigger locked “ON”. Before plugging the tool in, check that the

trigger lock is “OFF”. Accidental start-ups could cause injury.

-Keep hand away from cutting area and moving parts.

-Do not use dull or damaged blades, cutter blocks and rollers. Damaged part(s)

can break easily or could cause injury.

-Maintain labels and nameplates.

GROUNDING

-WARNING: Improperly connecting the grounding wire can result in the risk

of electric shock. Check with a qualified electrician if you are in doubt as to

whether the outlet is properly grounded. Do not modify the plug provided with

the tool. Never remove the grounding prong from the plug. Do not use the tool

if the cord or plug is damaged. If damaged, have it repaired by a DIAMOND

service facility before use. If the plug will not fit the outlet, have a proper outlet

installed by a qualified electrician.

Grounded Tools (Single Insulated Tool):

-Tools with Three Prong Plugs Tools have a three wire cord and three prong

grounding plug. The plug must be connected to a properly grounded outlet. If the

tool should electrically malfunction or break down, grounding provides a low

resistance path to carry electricity away from the user, reducing the risk of electric

shock. The grounding prong in the plug is connected through the green wire inside

the cord to the grounding system in the tool. The green wire in the cord must be the

only wire connected to the tool’s grounding system and must never be attached to an

electrically “live” terminal. Your tool must be plugged into an appropriate outlet,

properly installed and grounded in accordance with all codes and ordinances.

Double Insulated Tools:

-Tools with Two Plugs. Tool marked “Double Insulated” do not require grounding.

They have a special double insulation system.

EXTENSION CORDS

-Grounded tools require a three wire extension cord. Double insulation tools can use

either a two or three wire extension cord. As the distance from the supply outlet

increases, you must use a heavier gauge extension cord. Using extension cords with

inadequately sized wire causes a serious drop in voltage, resulting loss of power and

possible tool damage. Refer to the table shown to determine the required minimum

wire size.

Recommended Minimum Wire Gauge for Extension Cords

110 / 115V (50/60Hz) 230V (50/60Hz)

Cable length Cable size (AWG) Nominal diameter

Up to 10 m (25 ft.) 16 1.0mm²

Up to 15 m (50 ft.) 14 1.25mm²

Up to 30 m (100 ft.) 10 1.5mm²

PART SNAME

1. Motor 2. Front handle 3. Valve lever

4. Cutter block 5. Adjustable bolt 6. Cutter guard (cover)

7. Bending arm 8. Center collar 9. Bending roller

10. Stopper 11. Oil plug 12. Switch

13. Carbon Brush / Brush cap

SPECIFICATIONS

MODEL DBC-16H

Power Supply Single phase mains electricity /Generator

Voltage 100V/115V/230V

Power Input 1050 W

Motor Double Insulated motor

Max. rebar 16mm (diameter)

Max. tensile strength

620 N/mm²

Dimensions 645x165x230 mm (LxWxH)

Weight 17 Kg

Cutting / Bending Cutting Mode Bending Mode

Cut / Bend Speed 3 seconds 180 degree bend in 7 sec.

Center Roller Not Applicable 62mm diameter

Clearance (In-place) 44.5mm from surface 115mm from surface

BASIC CUTTING AND BENDING INSTRUCTIONS

Important: Always read, understand and obey the safety instructions included with

your new DBC-16H Combination Rebar Cutter and Bender before operating this tool or

any other power tool.

PRE-SUE CHECKS

1. WARNING: Do not expose the tool to rain or wet conditions. Water entering a

power tools will increase the risk of electric shock.

2. WARNING: Wear safety goggles, safety glasses with side shields or a face shield

when using these tools.

3. Check that the power source is appropriate to the tool.

CARE: If voltage is too high, the motor will burn out. If voltage is too low,

insufficient power will be generated. Never use DC current.

4. WARNING: Avoid accidental starting. Ensure the switch is in the off-position before

plugging in.

5. Check that cord is undamaged and that plug is not loose.

CAUTION: Cut or abraded covering could result in a short and electric shock to

operator.

6. Check and keep work area clean and enough work space.

7. Check condition of cutter blocks and tightness of cutter block bolts. - CHECK FOR

CRACKS OR DAMAGE, LOOSEN BOLTS

8. Before using, always check that the two bolts on each cutter block are properly

tightened. Using a loose block will result in damage to block and housing. Also

check condition of cutter blocks. If either cutting edge is dull or chipped, remove

retaining bolts and rotate both blocks so that two new edges come into use. Replace

and tighten bolts. (Each block has four cutting edges.) When all four cutting edges

have been used or if either block is cracked or otherwise damaged, replace both

blocks. CAUTION: A loose or cracked block may result in injury to operator.

CUTTING REBAR (Max.16mm & Tensile strength 620 N/mm²)

WARNING: There is always a chance that the cut end may shoot out, especially if

less than 30cm in length. Exceeding designated material specifications will greatly

increase this risk and will also damage the tool. Do not attempt to cut rebars harder,

thicker or thinner than specified.

DO NOT CUT SHORT PIECES: Be especially careful when cutting off short

lengths (30cm or less) as the cut end tends to fly out.

OPERATING INSTRUCTIONS

STOPPER BOLT ADJUSTMENT

1. The adjustable stopper functions to maintain the rebar in the correct position

during cutting and must be properly set for each size of rebar before making a cut.

Screw in the stopper to provide sufficient clearance for the rebar.

Keeping rebar at right-angles (90°) to front cutter block, screw out the stopper

until it is just touching the rebar. Once set, the stopper needs no further

adjustment while cutting rebars of the same diameter, but must be re-set for a

different size rebar.

WARNING: Failure to correctly set the stopper will result in excessive wear of cutter

blocks and may cause cut end to fly out.

2. Make sure the unit is plugged into the proper outlet 115V/230V 50/60Hz, (Please

check the voltage of your DBC-16H.). WARNING: Avoid accidental starting.

Ensure the switch is in the OFF-position before plugging in

WARM UP

3. In cold weather, you should warm up the tool for 30-60 seconds so that the

hydraulic oil reaches the proper viscosity. Pull trigger-switch to extend piston then

release the switch and open release valve lever when it has reached its full stroke.

Repeat 3-5 times without rebar.

CUTTING

4. Erect safety screens to protect co-workers from possible flying ends. Place a safety

screen under the tool when working in high places.

WARNING: Flying ends are hazard to all personnel in the vicinity. Erect safety

screens.

5. Insert rebar between the stopper and front cutter block, making sure that it is

properly seated in the U-shaped support. Keeping rebar at right angles (90 degrees)

to front cutter block.

6. Press the safety switch lock (white button). Pull the trigger-switch and keep

depressed while the piston advances and cut rebar. (If the switch is released at an

intermediate point, the piston will stop.)

7. When the cut is complete, release (OFF) the switch and open release valve lever.

RELEASE VALVE

8. The release valve retracts the piston at anytime during the

cutting or bending operation.

(Do not push the trigger switch and release valve at the same

time.) When doing repeated cuts, only retract the piston as far

back as needed to place another piece of rebar between the

cutting blocks. This will save you time because the piston does

not have to fully retract in order to do repeated cuts. CAUTION: The bending roller

rotates 180 degrees during the cutting operation. Do not try to bend and cut rebar at the

same time. Keep hands away from moving parts while operating.

9. Disconnect DBC-16H from outlet when not in use and before cleaning, adjusting

or servicing. Do not disconnect plug from outlet by pulling the cord. Always check

that the switch OFF before plugging in

10. WARNING: Make sure closed the cutter cover when not in use.

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