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Makita HR4040C Technical Information

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T
ECHNICAL INFORMATION
Models No.
Description
CONCEPTION AND MAIN APPLICATIONS
Model HR4040C accepts spline shank bit and overcomes
competitors' models.
Its brief benefits are;
*Less operator's fatigue than competitors.
*Less vibration and reaction toward hands
*Better feeling at drilling and hammering
*Quick change of hammer bits with one touch sliding chuck system.
SPECIFICATIONS
Voltage(V)
Current(A)
120
9.6
5.0
220
230
4.8
240
4.6
Revolutions per minute
No load speed
Blows per minute
Bit-type
Drilling capacities
Net weight
Cord length
STANDARD EQUIPMENT
Depth Gauge--------------------------------1pc.
Grease Vessel(Bit Grease)----------------1pc.
Plastic Carrying Case ---------------------1pc.
Side Grip (Cylindric form) ---------------1pc.
The standard equipment for the tools shown may differ from country to country.
OPTIONAL ACCESSORIES
Tungsten-carbide tipped bit
Bit diameter : 12.7mm(1/2"), 16mm(5/8"), 18mm(11/16"), 19mm(3/4"), 20mm(13/16"), 22mm(7/8"),
25.5mm(1"), 28mm(1-1/8"), 30mm(1-3/16"), 32mm(1-1/4"), 35mm(1-3/8"), 38mm(1-1/2"),
40mm(1-9/16")
Bull Point 300, 450, Cold Chisel 300, 450, Clay Spade, Rammer, Grooving chisel, Bushing tool
Scaling Chisel 50 x 300, Chemical anchor adapter, Taper shank adapter,
Core Bit adapter, Grease Vessel(Hammer grease)
FEATURES AND BENEFITS
1. Double insulated
2. See the sheets attached for more information.
HR4040C
40mm Rotary Hammer (Spline drive bit type)
Cycle(Hz)
50/60
50/60
50/60
50/60
Tungsten-carbitde
tipped bit
Core bit
38mm
(1-1/2")
Continuous Rating(W)
Input
Output
1050
330
1050
330
330
1050
330
1050
230
450 rpm.
1,250
2,500 bpm
Spline
40 mm (1-9/16")
105 mm (4-1/8")
6.6Kg
5m(16.4ft)
Side Grip (D - form) ---------------1pc.
Product
100mm(3-15/16")
470mm(18-1/2")
Max.Output(W)
850
850
850
850
Bit-type : Spline shank
A
A: 19.2mm (3/4")
B: 16.6mm (5/8")
B

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  • Page 1 Models No. HR4040C 100mm(3-15/16") Description 40mm Rotary Hammer (Spline drive bit type) CONCEPTION AND MAIN APPLICATIONS Model HR4040C accepts spline shank bit and overcomes competitors' models. 38mm Its brief benefits are; (1-1/2") *Less operator's fatigue than competitors. *Less vibration and reaction toward hands *Better feeling at drilling and hammering *Quick change of hammer bits with one touch sliding chuck system.

  • Page 2: Features And Benefits

    Spline shank hammer bit can be accepted. Hammer bits for HR3520B, HR3850B and HR5000 can be used also with this HR4040C. In case of employing as a demolition hammer, the BOSCH type shank bit of 3/4" hex / 21/32"round can be used also with HR4040C.

  • Page 3: Comparison Chart

    455 (17-7/8") Overall length (mm) 470 (18-1/2") 455 (17-7/8") 448 (17-5/8") 6.2 (13.7 lbs) 6.4 (14.1 lbs) measured by MAKITA 6.6 (14.6 lbs) 6.4 (14.1 lbs) Weight (Kg) Catalogue 6.6 (14.6 lbs) 6.2 (13.7 lbs) 6.7 (14.8 lbs) 6.5 (14.3 lbs)

  • Page 4: Vibration And Noise

    COMPARISON CHART Numbers in chart below are relative values when setting MAKITA HR4040C 's data as 100. Operation with extension cord. (1) Chipping Operation without extension cord. HR4040C HR4000C Model A (2) Drilling (Diameter of hammer bit for this test : 28mm)
  • Page 5 (1) Removing Change Lever Complete Set Change Lever Complete at neutral position, and slightly hit the back side of lock button with a plastic hammer to remove it. (See Fig.1.) Lock button Figure 1 plastic hammer Change lever at neutral position. (2) Installing Change Lever Complete Upper hole of change link 1.
  • Page 6 Tool holder cap (3) Replacement of armature Sleeve 46 1. Remove tool holder by sliding down Chuck cover sleeve 46. And then the sleeve 46 can be removed Pan Hd. Screw for from the machine. (see Fig. 4) fastening crank Remove chuck cover by hitting its edge housing cover with plastic hammer slightly.
  • Page 7 7. Remove rear cover by loosening tapping screw 4x18. Crank housing And then loosen Hex Nut M6 with holding fan with your hand. (see Fig.8) 8. Remove crank housing. (see Fig. 8) Gear housing complete 9. Remove armature together with gear housing from motor housing by hitting the armature shaft after Controller...
  • Page 8 4. Remove leaf spring 39 and pin 8 (see Fig.11) 5. Remove roller 12 from tool holder with sliding down chuck ring. (see Fig.11) (5) Assembling Chuck section 1. Assemble the spare parts on tool holder in the order illustrated as per Fig.11. Ring spring 29 Retaining ring S-50 Pin 8...
  • Page 9 2. When assembling chuck ring, chuck cover and sleeve 46, the following concaves and convexes have to meet each other. (see Fig.13) 3 outer concaves of chuck ring 3 inner convexes of chuck cover 3 concaves of sleeve 46 (However, the concave with triangle mark is not included in these 3 ones.) 3.

  • Page 10: Removing The Cylinder

    (7) Removing the cylinder 28.5 Cylinder 28.5 is installed in crank housing by pressing slightly. So, it can be removed easily by striking the crank housing vertically on the table in several time. ( see Fig. 16) (8) Assembling piston, rod and crank shaft 1.
  • Page 11 (10) Assembling tool holder section 1. Assemble the the spare parts of Fig.20 into the crank housing. < Note > Straight bevel gear 33 can be installed into the crank housing by pushing it with tool holder smoothly. (see Fig.20) Slide sleeve 16 Striker with Straight...
  • Page 12 (11) Assembling torque limiter section 1. Assemble ball bearing 1207, flat washer 12 (24mm in outer diameter) and torque limiter Change key complete to straight bevel gear 10. (see Fig.24) Concave of change key < Note > Be careful not to lose pin 4 for lock of Concave for circular nut M25-35.
  • Page 13 (12) Lubrication Apply Makita grease No.00 to the following parts in order to prevent unusual abrasion and overheating of machine. Sleeve 16 Flat washer 16 1. O Ring on striker 2. Inner face of ring 33 3. Inner face of slide sleeve 4.Outer face of straight bevel gear 33...

  • Page 14: Circuit Diagram

    Circuit Diagram Brush holder Orange Orange White Black Controller Support complete Switch Violet White Black Brush holder Power supply cord...

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