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T ECHNICAL INFORMATION
Models No. HR4000C
New Tool
Description 40mm Rotary Hammer
100 (3-15/16")
CONCEPTION AND MAIN APPLICATIONS
Model HR4000C accept SDS-max shank bit and overcomes competitors' 455
(17-7/8")
models.
Its brief benefits are;
*Less operator's fatigue than HILTI TE55
less vibration and reaction toward hands
better feeling at drilling and hammering 253(10")
More efficiency than HILTI TE55
Drilling :10%up
Hammering:20%up
*Electronical speed control features
.Variable speed control
.Soft start
.Steady speed
SPECIFICATIONS
Voltage(V) Current(A) Cycle(Hz) Continuous Rating(W)
Max.Output(W)
Input Output
100 11.0 50/60 1050 330 850
120 9.6 50/60 1050 330 850
220 5.0 50/60 1050 330 850
230 4.8 50/60 1050 330 850
240 4.6 50/60 1050 330 850
Revolutions per minute 230 450rpm
No load speed
Blows per minute 1250 2500bpm
Bit-type SDS-max shank bit
Diameter of shank : 180 mm(11/16'')
Tungsten-carbitde T.C.T. bit:40mm(1-9/16")
Drilling capacities tipped bit
Core bit 105 mm(4-1/8")
Net weight 6.2Kg(13.6lbs)
Cord length 5m(16.4ft)
STANDARD EQUIPMENT
Depth Gauge--------------------------------1pc.
Grease Vessel(Bit Grease)----------------1pc.
Plastic Carrying Case ---------------------1pc.
Grip 36 Ass'y-------------------------------1pc.
Side Handle Ass'y--------------------------1pc.
OPTINAL ACCESSORIES
Tungsten-carbite tipped bit
Bit diameter : 10mm(3/8"),10.5mm(7/16"),11mm(7/16"),12mm(1/2"),12.5mm(1/2"),12.7mm(1/2"),
13.5mm(1/2"),14.3mm(9/16"),14.5mm(9/16"),16mm(5/8"),17mm(11/16"),17.5mm(11/16"),
18mm(11/16"),19mm(3/4"),20mm(13/16"),21.5mm(7/8"),22mm(7/8"),25mm(1"),
28mm(1-1/8"),32mm(1-1/4"),35mm(1-3/8"),38mm(1-1/2")
Bull Point, Cold Chisel, Tile Chisel
Scaling Chisel, Clay Spade
Core Bit adapter, Grase Vessel(Hammer greese)
FEATURES AND BENEFITS
1. Double insulated
2. See the sheets attached for more information.
The standard equipment for the tools shown may differ from country to country.
Torque of fastening screw 60-100kgf.cm
crank cap----crabk housing (4.3-7.2ft.lbs)
Circuit diagram
Black Brush holder
White
Connector
Switch
at closed end Violet
P1 3 2
power supply cord
P2 5 4
Field
Orange color
Controller Black
Red Orange color
White
Brush holder
Connector at closed end
3)How to replace the armature
a. Lower the chuck cover and remove the tool c. Remove the hexagon-holed bolt and then remove the
holder cap.(See the figure 4.) handle.(See the figure 5.)
b. Remove the pan head screw, and then remove the crank d. Remove the connector white and black.
housing cover and gear housing cover.(See the figure 4.) (See the figure 5.)
Tool holder cap
Black
Handle
Chuck cover
Pan head screw
Gear housing cover
Hexagon-holed bolt :
Controller
6-piece
Connector White
Crank housing cover
Figure 4 Figure 5
e. Remove the screws for holding the fix rod, and then pull
out the fix rod and the pick up coil.
Note) Pulling out the lead wire of the pick up coil without
Hexagon-holed bolt
removing the fix rod may cause the short-circuit.
(See the figure 7.)
Crank housing
f. Pull out the 3 pieces of terminals
(white, black and red).(See the figure 6.)
g. Remove the rear cover and loosen the nut Motor housing
while holding the fan.(See the figure 7.) Controller
Gear housing
h. Remove the fan and disconnect the 4 pieces
of hexagon-holed bolts for holding the crank
housing. (See the figure 7.)
i. Strike the rear of armature shaft to disconnect Lead wire
the gear housing and armature from the motor Screw
housing. Fan
Fix rod
Hexagon nut Pick-up coil
Rear cover
Controller Figure 7
Ball bearing 6201
Black Gear housing
White Red
Figure 6
Apply the grease
Oil seal 14
j. To assemble the armature, insert it after the ball bearing
6201 and the oil seal 14 are pressed into the gear housing. Buckle plate Armature
(See the figure 9.)
Figure 8
4)Disassembling the chuck(See the figure 9.)
a. As mentioned in 3)-a How to replace the armature, remove the tool holder cap, the chuck cover and
the crank housing cover.
b. Remove the ring spring 25.
c. Remove the reaf spring 25 for the step pin 8 .
d. Remove the step pin 8 from the tool hplder and chuck ring .
Circle clip(shaft) WR-45
Ring spring 25 Dent portion Tool holder
Leaf spring Chuck ring
Cup washer 45
Step pin 8
Use care in direction.
Figure 9
5) Assembling the chuck
Set up the leaf spring and step pin 8 cerfimly.(See the figure 9.)
6)Disassembling the tool holder and crank housing
a. Insert the minus driver into the dent portion on the external place of the seal case and slightly strike
it to remove the seal case.(See the figure 10.)
b. Disconnect the circle clip(hole) R-56 and then pull out the tool holder.
Seal case Circle clip(hole) R-56
Tool holder
Tool holder
Figure 10 Figure 11
7)How to take out the cylinder 28.5
a. The cylinder 28.5 is slightly pressed into the crank housing.
To disconnect the cylinder 28.5,
slightly hit the crank housing against the firm
table several times in a straight line to disconnect it.
(See the figure 12.)
firm table
Figure 12
8)Assembling the piston rod and crank shaft(See the figure 13.)
a. Set the 2 pieces of O ring 30 on the cylinder 28.5, and insert them into the crank housing.
b. Insert the piston until the rod hole is placed inside the crank room.
c. Insert the crank shaft while approaching the crank shaft to the rod hole.
O ring 22 O ring 30
Rod hole
Cylinder 28.5
Crank room
Piston
Crank housing Flat washer 42
Sleeve Crank shaft
Figure 13
9)Assembling the fluorocarbon ring 25 on the impact bolt
a. If the fluorocarbon resin ring is assembled on the impact bolt, the fluorocarbon resin ring will
be extended and protruded over the groove.
b. Keep about 10 sec. after inserting the repairing tool (Taper sleeve), and then modify it.
c. When inserting the impact bolt into the tool holder , use care not to tear off the fluorocarbon resin ring.
Taper sleeve
Fluorocarbon resin ring 25 After modification
Edge face protruded
Groove on the
impact bolt
O ring
Figure 14
10)Assembling the tool holder
a. Set the parts described below into the crank housing.(See the figure 15.)
b. To set the straight bevel gear 33, use the tool holder for smooth setting.(See the figure 16.)
Crank housing
Straight bevel
Compression
Rubber ring 17 Slide sleeve Striker gear 33
spring 37
sleeve 16 O ring 22
Ring 33
Figure 15
Straight bevel gear 41
Tool holder
Figure 16
c.Push the tool holder after ball bearing 6907 pushing into bearing holder.(See the figure 17.)
d. Inserting the tool holder
Assemble so that the cam at tool holder may properly engage with the cam
at straight bevel gear 33.(See the figure 19.)
Turn the straight bevel gear 33 so that the 12 dent portions on the cam may
12 dent portions
be fit with 6 grooves on the crank housing.(See the figure 18.) 6 grooves on the
on the cam of the
Fit the cam(on the lock sleeve B) to the cam(on the tool holder). crank housing
sTRAIGHT bevel gear
(See the figure 19.)
Fit the plain portion of the lock sleeve A to the mounting side of the change Mounting side
lever, fit the 6 protruded portions on lock sleeve B to the 6 grooves on the of the change
crank housing, and then insert the tool holder into the crank housing. lever
(See the figure 18. 19)
Figure 18
6 protruded portions Cam on the lock sleeve A
on the lock sleeve B Cam on the tool holder
Tool holder Cam on the straight
bevel gear 41
Figure 19 Plain portion of lock sleeve A
11)Assembling the torque limiter
a. Assemble the ball bearing 1207, flat washer 12(Outer dia. 24 mm)
and torque limiter complete into the spiral bevel gear 10. (See the figure 20.)
Note ) Use care not to miss the pin 4 for preventing Flat washer 12
Groove of the change key (Outer dia. 28 mm)
the round nut from turning.
Change Circle clip(shaft)
key S-12
b. Insert the flat washer 12(Outer dia. 24 mm) Flat washer 12
and the circle clip(shaft) S-12 while setting the (Outer dia. 24 mm)
two pieces of change keys into the key groove of Groove of Circle clip
the straight bevel gear 12, and then insert the flat
washer 12(Outer dia. 28 mm) into the groove of the Torque
change key.(See the figure 20.) limiter
complete
Round nut
Pin 4
Flat washer 12
(Outer dia. 24 mm) Ball bearing 1207
Straight bevel gear 12
c. Slide downward the two pieces of change keys and Figure 20
then insert the circle clip(shaft) S-12 into the groove
of the circle clip. (See the figures 20 and 21.)
Make sure that the circle clip has been securely inserted
in the groove.
Note ) Use care not to over-widen the circle clip(shaft) S-12.
Figure 21
d. Assemble the slide plate, compression spring 3 and
guide pin 2 into the change link.(See the figure 22.)
e. Insert the flat washer 12(Outer dia. 28 mm) into
the groove of the change link and then assemble
Change link
them on the ball bearing 608.(See the figure 22.)
Slide plate Groove of the change link
Compression spring 3
Guide pin 2
Flat washer 12
(Outer dia. 28 mm)
Ball bearing 608
Gear housing
Figure 22
(Page 13 of 14)
15)Applying positions for grease
To prevent abrasion and overheating at earlier stage, please apply the
MAKITA grease R No.00 at the positions shown below.
a. O ring of striker
b. Inner portion of ring 45
c. Inner portion of slide sleeve
d. Outer portion and gear of spiral bevel gear
Spiral bevel
Inner portion of gear 41
slide sleeve Inner portion of O ring
ring 45 Striker Outer portion
Gear
e. O ring of piston and rod hole
O ring
Rod hole
f. Outer circumference of the impact bolt
Outer circumference
of the impact bolt
g. Between the spiral bevel gear 12 and the torque limiter complete
Between straight
bevel gear 12 and
torque limiter complete
h. Lip at Oil seal 14 and oil seal 48
Lip
i. Needle bearing(Gear housing, Helical gear 20 complete)
Needle bearing Gear housing
Needle bearing
j. Each gear teeth Helical gear 20 complete
Circuit diagram
Black Brush holder
White
Connector
Switch
at closed end Violet
P1 3 2
P2 5 4
Field
Orange color
Cab tire cord Controller Black
Red Orange color
White
Brush holder
Connector at closed end