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T ECHNICAL INFORMATION New Tool
137
For Models HM 1800 (5-3/8")
Description Hammer drill
(23-1/
5 8 8 ")
818 8")
-3/
8"
(32
CONCEPTION AND MAIN APPLICATIONS
We developed the Hammer drill aiming at double insulation of 8600N
anti-shake-proof of side handle as well as attaching of air tools.
Specifications
Frequency Consuming Nominal
Voltage (V) Current(A) (Hz) power(W) output(W) Max. output(W)
100 15.0 50/60 1,430 820 1,650
115 15.0 50/60 1,650 750 1,400
200 7.5 50/60 1,430 820 1,650
220 8.2 50/60 1,700 1,050 2,300
230 7.8 50/60 1,700 1,050 2,300
240 7.5 50/60 1,700 1,050 2,300
Motor Single phase series wound commutator motor
Speed at no load 1,000 P/min
Attaching tool size 286 mm ( Specified export : 31.8 mm)
For hitting only ( Chipping by Bull point, Scaling chisel, Cold chisel;
Earth digging by scop, Ramming by rammer, etc.)
Standard equipment
Hex. Wrench 5,6,10
Wooden box
Optional accesories
Bull point,
Scaling chisel
Cold chisel
Scoop
Rammer
Feature and Benefits
1. Owing to shake-proof handle, the vibration is not transmitted to your hands and you will not be exhausted after a long
time continuous operation.
2. Very powerful in digging soft ground because of lost-hit-proof mechanism by a light re-hitting.
3. Bit 28.6mm/31.8mm for air tools available
4. As Motor is put laterally, the window is not closed by a worker.
5. Plastic motor housing cover is applied so that you may not feel the machine heat even if you press it directly.
Plastic motor housing cover
You do not feel the heat even if
contacting the surface
Shut-off carbon brush
Lateral motor
Window is not closed by a worker,
because there is no projection ,the window
Switch with dust-cover,
is not on the face and the shape is easy
starts just by pressing
to be pressed by worker's body.
Suitable height for working posture
Anti-shaking handle
So little shaking felt in hands,
you are not exhausted.
Grease pack
Mechanism against lost hitting
Abnormal strokes are prevented by the
mechanism. Because of so light rehitting,
effective for digging soft ground.
Bit ofr Air concrete breaker
1-1/8" type
( for special export: 1-1/4")
Repair
1. In exchanging only Armature
1) Take away four bolts (Hex. Socket head boltM6x20) fixing Motor housing.
2) Remove Holder cap and Carbon brush.
3) Hex. Nut M12 attaching Handle base in Handle side.
4) Remove four bolts (Hex. Socket head bolt M12x55) fixing Cylinder A , separate Cylinder A from Clunk housing ,
and detach Connecting rod and Piston cylinder attachment from Clunk shaft.
5) Take away four bolts ( Hex. Socket head bolt M8x75) fixing Gear housing, separate Gear housing cover from Gear
housing. At that time leave Helical gear 50 in Gear housing.
6) Insert + Driver into a hole in the side of Helical gear 50 and fix Helical gear to set up Armature rotation. Remove
Hex. Nut M8-13 fixing Fan 100 by Box wrench.
Fan 100
Box wrench 13
+ Driver
Helical gear 50
Gear housing
Clunk housing
7) Detach Gear housing from Clunk housing. Then Fan 100 comes off from Armature.
8) Pull out Armature form Gear housing.