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Makita BHR240 Technical Information
Makita BHR240 Technical Information

Makita BHR240 Technical Information

Cordless rotary hammer
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T
ECHNICAL INFORMATION
Models No.
Description
C
ONCEPT AND MAIN APPLICATIONS
The cordless version of HR2453/HR2454 has been launched
with D-handle for operator's comfort.
These new products will be available in the following variations.
Model No.
BHR240SFE
BHR240SF
BHR240Z
The variations for USA, Canada, Mexico and Panama are as follows.
Model No.
BHR240
BHR240Z
S
pecification
No load speed : (min
Blows per min, :(bpm=min
Max. Output(W)
Voltage: V
Battery
Cell and Capacity
Charging Time
Chuck Capacity: mm ( " )
Bit Shank
Capacity
: mm ( " )
Rotation
Working
Rotation + Hammering
mode
Hammering
Variable switch
Reverse switch
Clutch (Torque Limiter)
Electric Brake
Net Weight : kg (lbs)
S
tandard equipment
* Grip Assembly ................................... 1 set
Note: The standard equipment for the tool shown above may differ by country.
O
ptional accessories
* SDS-Plus bits
* Taper shank T.C.T bits
* Taper shank adapter
* Cotter
* Drill chuck assembly
* Chuck adapter
* Drill chuck S13
BHR240
Cordless Rotary Hammer
Battery
Quantity Charger
Type
2
DC18RA
BL1830
1
No
---
Battery
Quantity Charger
Type
BL1830
2
DC18RA
No
---
= rpm)
-1
-1)
approx. 22 min. with DC18RA
Steel
Wood
* Concrete
3.0 (6.6) including Battery BL1830
* Chuck key S13
* Keyless drill chuck
* Grip assembly
* Scraper Assembly
* Cold chisels
* Grooving chisels
* Scaling chisels
Plastic
carrying case
Yes
Yes
No
No
Plastic
carrying case
Yes
No
No
0 - 1,100
0 - 4,000
330
18
Li-ion 3.0 Ah
10 (3/8)
SDS plus
13 (1/2)
26 (1-1/16)
18 (11/16)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
* Depth Gauge (Stopper Pole) .............. 1 pc.
* Bull points
* Dust Cup
* Grease Vessel 30g
* Blow out bulb
* Safety goggle
* Dust extractor attachment
* Joint 25
PRODUCT
P 1 / 14
L
H
W
Dimensions: mm (")
Length (L)
410 (16-1/8)
Width (W)
78 (3-1/16)
Height (H)
206 (8-1/8)
* Concrete: 24 (7/8)
for North American Countries
* Charger DC18RA
* Charger DC18SC
* Charger DC24SA
* Charger DC24SC
* Battery BL1830

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Summary of Contents for Makita BHR240

  • Page 1 ECHNICAL INFORMATION PRODUCT P 1 / 14 Models No. BHR240 Description Cordless Rotary Hammer ONCEPT AND MAIN APPLICATIONS The cordless version of HR2453/HR2454 has been launched with D-handle for operator's comfort. These new products will be available in the following variations.
  • Page 2 P 2 /14 epair CAUTION: Remove the battery from the machine for safety before repair/ maintenance ! [1] NECESSARY REPAIRING TOOLS Item No. Description Purpose Retaining ring S pliers ST-2N Removing/ installing Ring spring 19 1R003 1R004 Retaining ring S pliers ST-2 Removing/ installing Ring spring 29 1R022 Bearing plate...
  • Page 3 P 3 /14 epair [2] -2. Makita Grease RB No.00 Item No. Description Portion to lubricate Amount to apply Cap 35 Inside surface that contacts hammer bit Ring 21 Inner circumference that contacts Tool holder comp. appropriate amount Change lever comp.
  • Page 4 P 4 /14 epair [3] DISASSEMBLY/ASSEMBLY [3] -1. Chuck Section DISASSEMBLING 1) Slide Chuck cover in the direction of Gear housing. Fig. 3 Remove Cap 35 using hand and a slotted screwdriver (Fig. 3). 2) Remove Ring spring 19 from the groove on Tool holder complete Gear housing using 1R003 and 1R212.
  • Page 5 P 5 /14 epair [3] DISASSEMBLY/ASSEMBLY [3] -2. Change Lever Fig. 7 Change lever DISASSEMBLING 1) Lever up Cap from Change lever using two slotted screwdrivers (Fig. 7). Note: Lock button and Compression spring 3 will fly away in this step. Be careful not to lose them.
  • Page 6: Flat Washer

    P 6 /14 epair [3] DISASSEMBLY/ASSEMBLY [3] -3. Armature DISASSEMBLING 1) Remove Brush holder cap and Carbon brush from Motor housing. (left in Fig. 12) 2) Separate the assembly of Gear housing armature from Motor housing by unscrewing four 4x40 Tapping screws. (right in Fig.
  • Page 7 P 7 / 14 epair [3] DISASSEMBLY/ASSEMBLY [3] -4. Tool Holder Complete and Spur Gear 51 (cont.) DISASSEMBLING 5) Attach two 1R022 to 1R306. Install them on arbor press as illustrated to left in Fig. 16. 6) Applying two 1R022 to Washer 31, press them down using arbor press in order to remove the force of Compression spring 32 from Ring spring 29 (center of Fig.
  • Page 8: Swash Bearing

    P 8 /14 epair [3] DISASSEMBLY/ASSEMBLY [3] -5. Impact Bolt Section (cont.) DISASSEMBLING 5) Ring spring 28 can be pulled off from Tool holder complete when completely Fig. 20 removed from the groove (Fig. 20). Ring spring 28 Note: Ring spring 28 will be damaged or deformed in the steps 4) and 5). Be sure to replace damaged/deformed Ring spring 28 when assembling Tool holder section.
  • Page 9: Bearing Retainer

    P 9/14 epair [3] DISASSEMBLY/ASSEMBLY [3] -6. Swash Bearing Section (cont.) DISASSEMBLING 4) Move Piston cylinder to the rear dead center position (Fig. 26). 5) Remove Swash bearing section from Inner housing by pulling in the direction of the arrow (Fig. 27). Fig.
  • Page 10 P 10/14 epair [3] DISASSEMBLY/ASSEMBLY [3] -6. Swash Bearing Section (cont.) DISASSEMBLING 9) Remove Helical gear 25 using 1R022, 1R023 and 1R281 as illustrated to left in Fig. 31. Swash bearing 10 and Clutch cam can now be removed by hand (right in Fig. 31). 10) Remove retaining ring S-7 using No.1R291 (left in Fig.
  • Page 11: Spur Gear

    P 11 /14 epair [3] DISASSEMBLY/ASSEMBLY [3] -6. Swash Bearing Section (cont.) Fig. 36 ASSEMBLING Piston cylinder in the rear 4) Move Piston cylinder to the rear dead center position. Tilt Swash bearing 10 dead center position to set at the same angle as in the rear dead position. Insert the pin portion of Swash bearing 10 through Inner housing into the Inner housing hole of Piston joint.
  • Page 12 2) Applying 1R164 to Oil seal 25 inserted halfway into Gear housing complete, press down Gear housing complete using arbor press until it stops. (right in Fig. 40) 3) Apply Makita grease RB No.00 to the inside surface of Needle bearing complete. 4) Applying 1R164 onto Needle bearing complete, set them to Gear housing complete.
  • Page 13 P 13 /14 ircuit diagram Fig. D-1 Color index of lead wires' sheath Black Yellow Blue End bell Complete Switch Yoke Unit Tape to bundle Heat Sink the lead wires F E T Terminal...
  • Page 14: Ring

    P 14 / 14 iring diagram Fig. D-2 Connecting terminal of M2 side can be inflected toward the direction designated with arrow in order to avoid pinching of lead wire, if it is necessary. Fix the End bell's lead wires Terminal M2 (black and red) with lead wire holder.

This manual is also suitable for:

Bhr240sfeBhr240sfBhr240z