Makita HR3520B User Manual download pdf (Page 4)

ENGLISH

Explanation of general view

1 Side grip

2Grip base

3 Red dot (Tool holder)

4 Red dot (Tool retainer)

5 Tool retainer

6 Press in

7 Turn 180°

8 Change lever

9 For rotation with hammering

10 For hammering only

11 Wing bolt

12 Depth gauge

13 Switch trigger

14 Core bit

15 Adapter

16 Center bit

17 Rod

18 Hex wrench

19 Rear cover

20 Screwdriver

21 Brush holder cap

22 Lock nut wrench

23 Crank cap

24 Hammer grease

SPECIFICATIONS

Model HR3520B HR3850B HR3850K

Capacities

Tungsten-carbide bit ................................................................. 35 mm 38 mm 38 mm

Core bit ..................................................................................... 79 mm 118 mm 118 mm

No load speed (min

–1

) ................................................................. 440 240 240

Blows per min. ............................................................................. 3,300 2,900 2,900

Overall length .............................................................................. 400 mm 442 mm 455 mm

Net weight ................................................................................... 5.8 kg 7.5 kg 7.5 kg

• Due to our continuing program of research and devel-

opment, the specifications herein are subject to change

without notice.

• Note: Specifications may differ from country to country.

Power supply

The tool should be connected only to a power supply of

the same voltage as indicated on the nameplate, and can

be operated on single-phase AC/DC supply. They are

double-insulated in accordance with European Standard

and can, therefore, also be used from sockets without

earth wire.

Safety hints

For your own safety, please refer to the enclosed Safety

instructions.

SPECIFIC SAFETY RULES

GEB007-2

DO NOT let comfort or familiarity with product

(gained from repeated use) replace strict adherence

to rotary hammer safety rules. If you use this tool

unsafely or incorrectly, you can suffer serious per-

sonal injury.

1. Wear ear protectors. Exposure to noise can cause

hearing loss.

2. Use auxiliary handles supplied with the tool.

Loss of control can cause personal injury.

3. Hold power tools 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.

4. Wear a hard hat (safety helmet), safety glasses

and/or face shield. Ordinary eye or sun glasses

are NOT safety glasses. It is also highly recom-

mended that you wear a dust mask and thickly

padded gloves.

5. Be sure the bit is secured in place before opera-

tion.

6. Under normal operation, the tool is designed to

produce vibration. The screws can come loose

easily, causing a breakdown or accident. Check

tightness of screws carefully before operation.

7. In cold weather or when the tool has not been

used for a long time, let the tool warm up for a

while by operating it under no load. This will

loosen up the lubrication. Without proper warm-

up, hammering operation is difficult.

8. Always be sure you have a firm footing.

Be sure no one is below when using the tool in

high locations.

9. Hold the tool firmly with both hands.

10. Keep hands away from moving parts.

11. Do not leave the tool running. Operate the tool

only when hand-held.

12. Do not point the tool at any one in the area when

operating. The bit could fly out and injure some-

one seriously.

13. Do not touch the bit or parts close to the bit

immediately after operation; they may be

extremely hot and could burn your skin.

14. Some material contains chemicals which may be

toxic. Take caution to prevent 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.

OPERATING INSTRUCTIONS

Side grip (auxiliary handle) (Fig. 1 & 2)

For maximum control and safer operation, always use the

side grip with this tool. The side grip swings around to

either side, allowing easy handling of the tool in any posi-

tion. Loosen the side grip by turning it counterclockwise,

swing it to the desired position and then tighten it by turn-

ing clockwise. (Fig. 1)

The side grip can also be installed in the position shown

in Fig. 2. Remove the side grip from the grip base by

turning the side grip counterclockwise. Screw the side

grip on either side of the tool, whichever is convenient.

1 2 3 4 5 ... 48

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Makita HR3520B User Manual Page 4

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