Makita HP1230 Manuale utente

Models No.

Description

PRODUCT

TECHNICAL INFORMATION

CONCEPT AND MAIN APPLICATIONS

P 1/ 8

HP1230

Hammer Drill 12 mm (15/32")

Model HP1230 has been developed as a compact and lightweight

12mm (15/32") hammer drill with new exterior design.

This product is also available with plastic carrying case

as Model HP1230K.

Specification

Standard equipment

Optional accessories

Continuous Rating (W)

Voltage (V) Cycle (Hz) Input Output Max. Output (W)

110

120

220

230

240

3.8

3.5

1.9

1.8

50/60

400

---

400

230

300

Current (A)

Dimensions: mm (")

Width (W)

Height (H)

Length (L) 239 (9-3/8)

67 (2-5/8)

188 (7-3/8)

Note: The standard equipment for the tool shown above may differ by country.

Chuck key S-10 ........................ 1

Depth gauge .............................. 1

Side grip .................................... 1

Plastic carrying case ................. 1 (HP1230K only)

Various TCT drill bits 3.0 -12mm (1/8 -15/32")

Various HSS metal drill bits 1.5 -6mm (1/16 -1/4")

Phillips bit

Slotted bit

(+) (-) Driver bit

Wool bonnet 100

Rubber pad ass'y

Foam polishing pad 125

Drill stand Type 43

Chuck capacity: mm (")

Drill chuck type

Reversing switch

No load speed: min -1= rpm

Impacts per min.: min -1= ipm

Capacities: mm (") Steel

Concrete

Wood

Protection against electric shock

Power supply cord: m (ft)

Net weight: kg (lbs)

0 - 2,900

0 - 31,900

Keyed chuck

1.5 - 10

(1/16 - 3/8)

12 (15/32)

10 (3/8)

15 (9/16)

Yes

Double insulation

1.4 (3.1)

2.0 (6.6)

P 2 / 8

[2] LUBRICATION

Apply Makita grease N. No.1 to the following portions designated with the black triangle to protect parts and product

from unusual abrasion.

[1] NECESSARY REPAIRING TOOLS

CAUTION: Remove the bit from the machine for safety before repair/ maintenance

in accordance with the instruction manual!

Fig. 1

Repair

DescriptionCode No. Use for

Mounting Helical gear 37

Removing Spindle

Removing Retaining ring R-32

Removing Armature from Cam housing

Removing / Mounting Drill chuck

Removing Spindle

Item No.

Description

Spindle

Gear housing

Portion to lubricate

1R027

1R029

1R037

1R045

1R346

1R139

1R223

1R224

1R228

134873-0

1R246

1R252

1R284

Bearing setting pipe 18-10.2

1R005 Retaining ring pliers RT-2N

Bearing setting pipe 23-15.2

Bearing setting plate 20.2

Gear extractor (large)

Center attachment for 1R045

Drill chuck extractor

Torque wrench shaft 20-90N.m

Ratchet head 12.7

1/4” Hex. shank bit for M4

Round bar for arbor 18-100

Bit adapter ass'y

Round bar for arbor 30-100

Mounting Ball bearing 6002LLB

Removing Ball bearing 6002LLB

Round bar for arbor 10-50

Pin 4

Ball bearing

6002DDW Steel ball 3.5

Cam housing

(a)

(a) Drum portion where Ball bearing 6002DDW contacts

(b) Hole in which Steel ball 3.5 and Pin 4 are inserted.

Gear room for 12 Helical gear 37 Apply approx. 4gMakita grease N. No.1.

(b)

Helical gear 37 Cam and teeth portions

P 3 / 8

[3] DISASSEMBLY/ASSEMBLY

[3] -1. Drill Chuck, Spindle, Helical Gear 37, Ball Bearing 6002DDW

Repair

DISASSEMBLY

1R228

1R224

1R223

1R139

Bit adapter

Sleeve of Drill chuckflat portion of Spindle

1) Hold 1R139 with vise. Fit the flat portion of Spindle to 1R139. (Fig. 2)

2) Hold 1R228 with Drill chuck. Turn Drill chuck counterclockwise with 1R228, 134873-0, 1R224 and 1R223.

(Fig. 3)

Note: Use a pipe wrench to remove Drill chuck, if the sleeve of Drill chuck does not turn because of some troubles

with Drill chuck. Grip the periphery of the sleeve with wrench, and turn the wrench counterclockwise.

3) Remove Gear housing from Motor housing by unscrewing three 4x25 Tapping screws. And remove Retaining ring

WR-12 from Spindle. (Fig. 4)

Note: Steel ball 3.5 and Pin 4 may be fallen off from Spindle. Be careful not to lose them.

4) Put Gear housing over 1R037 and Apply 1R284 on Spindle's end. And remove Spindle with Arbor press.

Conical compression spring 15-24 pops out together with Spindle. Helical gear 37 can be removed. (Fig. 5)

1R139

Vise

Fig. 2 Fig. 3

Fig. 4 Fig. 5

4x25 Tapping

screw: 3 pcs.

Gear housing

Cam housing

Retaining ring WR12

Motor housing

Steel ball 3.5

Pin 4

Spindle 1R284

Gear

housing

Helical

gear 37

Helical

gear 37

Spindle

1R037

Spindle

Conical compression

spring 15-24

P 4 / 8

[3] DISASSEMBLY/ASSEMBLY

[3] -1. Drill Chuck, Spindle, Helical Gear 37, Ball Bearing 6002DDW (Cont.)

Repair

DISASSEMBLY

1) Turn and remove Conical compression spring 15-24 when it remains at the hole of Gear housing. (Fig. 6)

2) Remove Retaining ring R-32 with 1R005. (Fig. 7)

3) Applying 1R246 as illustrated in Fig. 8, press down Ball bearing 6002DDW and Cup washer 15.

1) Assemble Cup washer to Gear housing. (Fig. 9)

Note: Face the concave of Cup washer to Drill chuck assembling side.

2) Applying 1R252 as illustrated in Fig. 10, press-fit Ball bearing 6002DDW. Secure it with Retaining ring R-32 (Fig. 7)

3) Turn and push Conical compression spring 15-24 into Gear housing. (Fig. 11)

Fig. 6

Fig. 10

Fig. 7 Fig. 8

Fig. 9

WrongCorrect

Conical compression spring 15-24

can be stabilized in the concave

of Cup washer.

Fig. 11

Conical compression

spring 15-24

hole of

Gear housing

hole of

Gear housing

The reverse side

of Gear housing

Retaining

ring R-32

1R005

1R246

Arbor press

Cup washer 15

Ball bearing

6002DDW

Ball bearing

6002DDW

Arbor press

ASSEMBLY

Drill chuck assembling side

1R252

Conical

compression

spring 15-24

There is no concave

for Conical compression

spring 15-24.

1R027

Helical gear 37

4) Insert Spindle into Ball bearing 6002DDW in Gear housing by hand. (Fig. 12)

5) Applying 1R027 to Spindle as illustrated in Fig. 13, press-fit Helical gear 37 using 1R029.

Note: Do not pinch Conical compression spring between the rim of Spindle (Re: Fig. 12) and Gear housing.

6) Fit Retaining ring WR12 into the groove of Spindle to hold Helical gear 37. Install Pin 4 and Steel ball 3.5. (Fig. 14)

Fig. 13 Fig. 14

Fig. 12

1R029

Gear housing

rim of Spindle

Gear housing

Helical gear 37

Steel ball 3.5

Retaining

ring WR12

groove of Spindle

Pin 4

P 5 / 8

[3] DISASSEMBLY/ASSEMBLY

[3] -1. Drill Chuck, Spindle, Helical Gear 37, Ball Bearing 6002DDW (Cont.)

Repair

ASSEMBLY

7) Assemble the Gear housing to Motor housing. Refer to Fig. 4.

Note: Make sure that Conical compression spring works

properly as illustrated in Fig. 15.

8) Fasten Drill chuck to the fastening torque of 25.5 - 30.6 N.m by

turning clockwise.

Spindle must return as soon as you push it down.

Fig. 15

[3] DISASSEMBLY/ASSEMBLY

[3] -2. Change Lever

DISASSEMBLY

Change lever A and Lever case can be separated from Cam housing as illustrated in Fig. 17.

Note: Cam housing consists of Cam, Plane bearing and Change plate. (Fig. 16)

Even if any component of Cam housing has damaged, replace Cam housing by new one.

Fig. 17Fig. 16

Cam housing

Viewed from the reverse side

Structure of Cam housing

Cam

Plane

bearing

Cam housing

Change plate

Rubber

pin 4

Lever case Fan guard

Fan guard

Change lever A

Lever caseAwl

Change

plate

Rubber pin 4

Fan guard

Lever case

Change lever AChange lever A

ASSEMBLY

Fig. 18

Assemble Change lever A and Lever case to the new Cam housing as illustrated in Fig. 18.

Insert Rubber pin 4 into

the boss of Change lever A.

Push the boss into the hole of

Change plate through Lever case.

Gripping Change lever A and Change plate with Pliers,

press them.

Change lever A is fixed correctly to Change plate of

new Cam housing.

Fan guard

Rubber pin 4

Change lever A Change lever A

Change lever A

Lever case

Change plate

boss

Fan guard

Pliers

P 6 / 8

[3] DISASSEMBLY/ASSEMBLY

[3] -3. Armature

Repair

DISASSEMBLY

ASSEMBLY

1) Separate Handle cover from Motor housing by unscrewing three binds 4x20 Tapping screws. And disconnect Carbon

brush from Armature's Commutator. (Fig. 19)

2) Remove Gear housing and Cam housing from Motor housing by unscrewing three 4x25 tapping screws. Armature comes

out together with Cam housing as illustrated in Fig. 20.

3) Remove Armature from Cam housing. (Fig. 21)

Do the reverse of Disassembling steps.

Fig. 20Fig. 19

Fig. 21

Cam housing

Armature

Remove Armature from Cam housing

with 1R045 to which 1R346 is attached.

1R346

1R045 1R269

bind 4x20 Tapping

screw: 3 pcs.

Handle cover

Carbon brush

4x25 Tapping screw: 3 pcs.

Gear housing

Cam housing

Motor housing

Armature

Ring 8

Ball bearing

608DDW

Note: Ring 8 will always be damaged when Ball bearing 608DDW

is removed.

Be sure to replace damaged Ring 8 with new one when reassembling.

Noise

suppressor

Power supply

cord

Brush

holder A

to Brush

holder A

Choke coil

Brush

holder B

Circuit diagram

P 7 / 8

Poke-in

Terminal FA

of Field

Poke-in

Terminal F' A

of Field

Poke-in

Terminal F' B

of Field

Poke-in

Terminal FB

of Field

C1 C2

M1M2

Switch

If Choke coil is used instead

of Connecting Lead wire (red),

connect it to Switch as illustrated

below.

Color index of lead wires' sheath

Black

White

Red

Orange

Blue

Circuit without Choke Coil

Circuit with Choke Coil

Fig. D-1

Fig. D-1A

Switch

Wiring diagram

P 8 / 8

If Choke coil is

used, put it in the

position illustrated.

Noise

suppressor

Choke coil

Lead wire

(orange)

Switch

If Noise suppressor

is used, put it in the

position illustrated.

In case of soldering of Lead wires to the reversing

circuit, inflect the Lead wires at the soldered portion

for smooth assembling of Switch to Housing.

Put the slack of the connecting

lead wire (blue) of Brush holder

in the illustrated position.

Put the slack of the Connecting

lead wire (red) of Brush holder

between Switch and the wall of

grip portion.

soldered

portion

soldered

portion

Fix the Lead wires with

Lead wire holder.

Wiring without Choke Coil

Wiring with Choke Coil

Fix the Lead wires

with Lead wire

holder.

Noise suppressor

Brush

holder A

Brush

holder B

Fig. D-2

Fig. D-2A

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