Makita HR2000 Handbuch

HR2000

MAKITA Rotary hammer

This is the first pistol type Rotary hammer from Makita.

Compared with conventional vibrating drills, this product is

light-weight and shows excellent drilling speed equal to 25 mm

Rotary hammer.

Drill bit is common to HR 2510 and HR 1820 models.

Also, SDS Plus bit and Hilty bit (for TE 12) can be used to this

product.

Voltage(V) Current(A) Frequency(Hz) Continuous rating

Output(W) Max.

output(W)

100 7 50/60 600 260 400

115 6.8 50/60 750 220 550

200 4 50/60 750 220 550

220 3.6 50/60 750 220 550

230 3.4 50/60 750 220 550

240 2.3 50/60 750 220 550

R.P.M. 0-1200/min.

Blows per minute 0-4200/min.

Concrete 20mm

Iron 13mm

Max. drilling capacity Wood 18mm

Net weight(kg) 2.7 kg

Power supply cord(m) 2.5 m

Stopper pole

Steel case

Bit grease (for lubricating the chuck)

Pipet 54

Carbide drill: 6.5-20 (long size: 16,18,19,20)

Taper shank adapter (No.1)

Chuck adapter

Drill chuck S13

Chuck key S13

Cotter

Makita grease RNo.00 (for lubricating inside the machine)

Anchor No.2-No.4

Holder driver

Anchor rod for plug exterior (for hand) No.2-No.4,

Anchor rod for plug interior (for machine) No.2-No.4

The standard equipment for the tools shown may differ from country to country.

Specifications

Standard equipment

Optional accessories

New Tool

TECHNICAL INFORMATION

CONCEPTION AND MAIN APPLICATIONS

Models No.

Description

330

209

Input(W)

Width 77

1. Maximum power (drilling efficiency) in the pistol- type hammer drills (see p2/8 -3/8).

2. Variable speed switch and rotation reversing switch

3. Easy replacement of bits and adapters by the chuck which slides back-and-forth

4. Working on iron, wood and screw driver by attaching chuck adapter and drill chuck of optional accessories.

5. Grease- pack system which needs no lubrication

6. Drilling speed of the large size (Ø18) 6 times as fast as vibrating drills (8419B-2 HP 2010N)(see p3/8).

Features and benefits

Repair

(1) Tools necessary for repair

1. (+) driver

2. (-)driver narrow tip (width about 5mm)

3. Cir-clip pliers (for shaft)

4. Arbor press

5. Resin hammer(or wood hammer)

6. Bar or pipe (diameter:27, length:25 or more)

(this is for making works easier)

(2) Lubricating spots

Apply Makita grease R No.00 or Makita hammer oil XLD (0.5g-1g) for the following places to prevent wear in

early stages and seizure

1. O-ring of impact bolt

2. O-ring of striker

3. Crank joint

O-ring and groove

hole inside

outside

4. Piston joint

5. Tooth surface of gears

6. Needle bearings

7. Piston cylinder- inside and outside

8. Lip surface of oil seal 12 and oil seal 28

9. Both sides of Vespel washer 28

(3) Disassembly and Assembly

1. Chuck

As shown in the sketch, pull change ring to the last, then remove out cap 34 to the direction of the arrow.

After that, pull out change ring, key 4, and

conical compression spring 21-29.

2. Tool Holder

After removing set screw of gear housing(M5x55),

take off gear housing with a little shaking.

As shown in the sketch, press an arrow point

by arbor press to take off tool holder.

(If arbor press is not available, tap it

by resin hammer lightly.)

Note) At this time, ensure they are put to the depth

in order toprevent mislocation of oil seal and

ball bearing in the gearhousing.

hole inside

outside

grease

Cap 34

Key 4 Change ring Conical compression

spring 21-29

Pan-head screw M5

Gear housing

Motor housing

Tool holder

Ball bearing

Gear housing

Oil seal

3-1 Disassembly of impact bolt and idler As shown in the sketch, insert (-) driver (tip width 5mm

approx.)through the hole of tool holder and hook ring spring

by driver tip . Then, push it up to remove from the groove.

Also follow the same procedure in the other hole as there are

two hole.

After taking off ring springs, push impact bolt by the driver

tip. Then, it will come out with idler and flat washer 13.5.

3-2. Assembly of impact bolt and idler

Make sure of the direction of impact bolt, idler and flat washer 13.5 for assembly.

Assemble idler and flat washer facing R

and C to the unit inside.

Make sure of applying grease on O-ring of impact bolt.

Insert ring spring with finger to the depth and fit it in the groove using (-)driver as shown in the sketch.

(pipe or bar<Ø27-27.5>is recommended for pushing. It will make fitting to the groove easier.)

4-1 Disassembly of crank Remove three screws from crank housing.

Applying driver on pin 8, tap it lightly by hammer since pin 8

in the bearing of bell crank is pressed in lightly.

Be cautious not to lose washers used on both sides of bell crank

at disassembly working.

As shown in the sketch, washer has a special shape.

4-2 Assembly of crank

hole

Impact boltIdler

Ring spring

Flat washer 13.5

Ring spring

Bell crank

Pin 8

Gear housing cover

Pan-head screw(3)

Crank shaft

Crank joint

Crank housing Washer Needle cage 808

Washer Shape

Pin 8

Bell crank

Piston cylinder

Window

Pin7

Crank joint

Bit side

Iimpact bolt Idler

Face-R

Flat washer 13.5

Face-C

Motor side

grease

First, apply grease thickly inside and outside of the crank joint.

Then, fit pin 7 of crank shaft and crank joint with piston cylinder moving by finger, looking inside

through the window of crank housing as shown in the sketch.

5. Gear housing packing

Always replace to a new gear housing packing in disassembly and assembly.

Be sure of removing grease in mating face of gear housing and gear housing cover.Then, apply Super Three

Bond No.50 evenly and thickly.

(Old packing may cause grease leakage as it has lost

elasticity.)

6. Replacing armature

Ensure to fit flat washer 14 in armature bearing of motor housing (see the sketch above).

Insert armature after assembly of ball bearing 6000 and oil seal (should be new) to gear housing cover.

(Wrong order of assembly and use of used oil seal may cause grease leakage or jump out of oil seal.)

7. Connection of rotation changing switch

Peel out cover of lead wire(6-7mm) and

finish in soldering. Push it until a part of

the lead wire coverenters terminal hole.

Ball bearing

Oil seal 12

Flat washer

Ball bearing 608 LB

Grease

Ball bearing 6000 Oil seal 12

Super Three Bond No.50

Gear housing

Gear housing packing Gear housing cover Motor housing

Switch case

Core wire(soldering) Lead wire(covered)

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