Unimac Dmj-700c-3 User manual

DRYWALL SANDER

DRYHHSUMCA1M8

Instruction manual

Safety regulations

Warning! Read all warnings and all Instructions! Don't observe the following

warnings and instructions and the use or operation would result in electric shock,

fire and / or serious injury. The term "in all of the following are warning of electric

tools" refers to the electric drive (wired) power tools or battery-powered electric

tools (wireless)

1) Workplace safety

a) Keep the workplace clean and bright, chaos and darkness will cause the

accident site.

b) Not in explosive environment, power tools operation such as inflammable

liquid, gas or dust environment. Power tools sparks can ignite dust or gas.

c) Let children and bystanders left operation electric tool. Lack of concentration

will cause you to lose control of the tools.

2) Electrical safety

a) The plug must be matched with the socket of power tools. Not in any way

conversion plug. Required grounding electric tools can not use any conversion

plug. Will reduce the risk of electric shock without plug socket and matched a

refitted.

b) Avoid body contact with the ground surface, such as pipes, heat sink and

refrigerator. If your body ground will increase the risk of electric shock

c) May not be the electric tool exposed to rain or moisture in the environment.

Water enters the electric tools will increase the risk of electric shock.

d) Shall not abuse the wire. Never use wire carrying electric tool or pull out,

pull the plug. Keep the wires away from heat, oil, sharp edges or moving parts.

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Damaged or twisted cords will increase the risk of electric shock.

e) When using the power tools in the outdoors, used for outdoor use external

flexible cords. Suitable for outdoor use will reduce the risk of electric shock.

f) If it is inevitable operation electric tool in a moist environment, should use

the residual current operated protective devices (RCD). The use of RCD can

reduce the risk of electric shock

3) Personal safety

a) Alert, when the operation power tool attention in operation and keep sober.

When you feel tired, or with drugs, alcohol or treatment response, do not

operate power tool. At the instant operation power tool neglect may result in

serious personal injury.

b) The use of personal protective equipment. Always wear goggles. Safety

devices can reduce personal injury using dust masks, safety shoes, helmets,

hearing protection devices such as appropriate conditions.

c) To prevent accidental starting. Ensure the switch before connecting the

power and / or the battery box, pick up or handling tools in the off position.

Finger is inserted into the plug may cause danger in the switch is switched on

or when the switch is in the on.

d) Before the power tool is connected, remove all adjustment key or wrench.

Left in the electric tool rotating parts of the wrench or key will result in personal

injury.

e) Doesn’t and stretch too long. Always pay attention to the foothold and

balance. This can be a very good control of power tools in cases of accident.

f) Dressed properly. Don't wear loose clothes or accessories. Let your clothes,

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gloves and the hair away from moving parts. Loose clothes, accessories or

long hair may be involved in the movement of parts.

g) If the device is provided with the dust collecting equipment connected with

the chip set, to ensure they're connected and properly used. The use of these

devices can reduce the risk of dust caused by.

4) Electric tools are used and the matters needing attention

a) Not to abuse the power tools, power tools according to the use of

appropriate. Selection of power tools appropriate design will make your work

more effective, safer.

b) If the switch is not switched on or off tool power, you cannot use the power

tool. Electric tool can not be controlled by the switch is dangerous and must be

repaired.

c) Before any adjustment, changing accessories or storage of electric tools,

must from the power supply plug out and / or the battery box and the tools

away. The protective measures will reduce the risk of accidental starting tool.

d) There will be idle power tool storage children and scope, and don't let not

familiar with power tools or do not understand these instructions operation

power tool. Electric tools are dangerous in the hands of users without training.

e) Maintenance of power tool. Check if the moving parts is adjusted in place or

stuck, check the parts damaged other power tools running situation and

influence. If damaged, power tools should be repaired before use. Many

accidents caused by poor maintenance of power tools.

f) Keep cutting tools sharp and clean. Maintenance of good tools with sharp

cutting edge is not easy and easy to control.

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g) According to the manufacturer's instructions, consider the work conditions

and work to use power tools, accessories and tools of the knife head. The

electric tool for those with different purposes may lead to dangerous.

5) Repair

a) The electric tool you sent to the professional repair personnel, the use of the

same parts repair. This will ensure that the safety of electric tool repair.

According to the safety regulations grinding machine

�Only using this machine in dry situation. If electric machine the infiltrated by

rainwater, it may cause in electric shock.

�Note, make sure the work neutral cleaning dust and dust in the pipeline

machine. Hoarding in the dust bag, dust in the pipeline, easily affect the

cleaning effect and the performance of the machine。

�The workplace must be kept clean. Work through different mixed dust is

easy to produce chemical reaction, very dangerous. Light metal dust easily

catch fire or explode。

�Electric tools do not use wire has been damaged. If the power supply wire

damaged in the work, you must not touch the damaged cords, and

immediately pull out the plug. Damaged wires will increase the risk of electric

shock to the user.

�Firmly grip handle to in the work process, can not be operated by a single

hand, hands can not touch disc sander.

Functional interpretation

Read all warnings and instructions. If not actually follow the warnings and

instructions, may cause electric shock, fire and / or other serious harm.

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Use the machine in accordance with the provisions of

DMJ-700C-3 drywall sanders, series motor driven by the characteristics of

light weight, high power, high efficiency, easy operation, safety etc，suitable

for building plaster wall, ceiling of lime walls and painted on the wall dry

grinding, and the polished wooden floor and a large area of steel rust.

Technical data

Rated voltage 230-240(V)

Frequency 50（Hz）

Input power: 1800(W)

No-load frequency speed: 1000-1800(r/min)

Sandpaper Diameter φ225(mm)

Length of the telescopic scope: 1100-1800(mm)

Diagram:

Installation

�Before the repair or replacement parts, electric tool accessories, be

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sure to pull out the plug from the socket.

Assemble instruction

a. Unpacking status shown on below picture

b.Support arm Installation shown on below picture (Insert support arm to the

plastic clamp, insert and tighten screws into both left and right support arm

with hex spanner).

c. Telescopic pipe installation (Insert telescopic pipe into front pipe, adjust to

suitable length, turn the locking nut into the front plastic pipe and lock.)

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Choose sanding paper

According to the material and the grinding effect, select the appropriate

sandpaper

Material using Grit

–Pigment Removal of the pigment 40

– Paint 60

–Filling agent Grinding bottom pigment (such as finishing bottom)

80

–Interstitial material Brush paint, grinding residues 100

Pigment layer drips and convex 120

Flat bottom material for painting 180

The replacement of sanding paper

Before installing the new paper, must first clear dirt sticking grinding wheel,

such as the use of brush. Grinding surface adhesive disc has a layer of lint, it

can quickly and easily installed flocking self-adhesive sandpaper. The surface

grinding sandpaper pressed in the adhesive disc

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The replacement of grinding disk stuck

The output shaft is inserted into the adhesive disc center with six angle wrench

clockwise rotation angle in the six hex hole, and at the same time, the hands

hold the adhesive disc grinding, grinding disc can be remove adhesive

To connected with the dust collecting bag

In order to protect the operator to reduce dust suction and site cleaning

process at work, in the work process please connect the machine with dust

bag. As shown in the figure is connected with the suction pipe, the other end is

connected with the dust collecting bag.

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Sanding wheel speed regulation

The sanding of the grinding disk rotation speed can be adjusted according to

different conditions and grinding quality requirements.

The telescopic pipe

According to the needs of different grinding position, can be the length of the

machine to adjust between 1100-1800mm. The locking nut counter-clockwise

to loosen, the pipe is pulled to the right length, and then clockwise rotating

locking.

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Angle Grinding

In order to do side grinding work, take off the front part of plastic disc with

screw driver.

If necessary to raise height of sanding disc, you can put an extra ring on

output shaft.

Maintenance

Keep tools clean, clean up debris and dust.

Often add in lubricating oil and grease (reducer, bearing) to keep the tool

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flexible operation.

Always check the power cable, plug, switch, so that the tools in good

condition.

Power tools produced by the company are quality inspection Strict, if the

machine still occurs failure, please repair the machine to the authorization of

the customer service department

Carbon Brush replacement

The accessories includes an original set of carbon brush, when the carbon

brush wear limit, replace with the new one. "+" screwdriver counter clock wise

unscrew the brush cover, remove the original carbon brush, to put new carbon

brush to brush holder and screw on the brush cover.

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DMJ-700C-3 Exploded View

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Unimac DMJ-700C-3 User manual

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