Hitachi DH40MRY Instruction Manual - Page 7

Assembly And Operation - specifications

Page 7 highlights

SPECIFICATIONS Motor Power Source Current Capacity No-Load Speed Full-load Blow Weight Single-Phase, Series Commutator Motor. Single-Phase, 120 V 60 Hz 9.2 A Drill Bit: 1-9/16" (40 mm) Core Bit: 4-1/8" (105 mm) 240 - 480/min 1,320 - 2,650/min 15.0 lbs (6.8 kg) English ASSEMBLY AND OPERATION APPLICATIONS Rotation and hammering function ⅜ Drilling anchor holes ⅜ Drilling holes in concrete Hammering function only ⅜ Crushing concrete, chipping, digging, and squaring (by applying optional accessories) PRIOR TO OPERATION 1. Power source Ensure that the power source to be utilized conforms to the power source requirements specified on the product nameplate. 2. Power switch Ensure that the switch is in the OFF position. If the plug is connected to a receptacle while the switch is in the ON position, the power tool will start operating immediately and can cause serious injury. 3. Extension cord When the work area is far away from the power source, use an extension cord of sufficient thickness and rated capacity. The extension cord should be kept as short as practicable. WARNING: Damaged cord must be replaced or repaired. 5. Confirming condition of the environment: Confirm that the work site is placed under appropriate conditions conforming to prescribed precautions. 6. How to install tool CAUTION: For tools such as a drill bit and a bull point, use only Hitachi genuine parts. (1) Clean, then smear the tool shank with the grease provided in the green tube. (2) To attach the tool (SDS max shank), insert it into the hole until it contacts the innermost end of the hole as illustrated in Fig. 2. If you continue to turn the tool with slight pressure, you can feel a spot where there is a hitch. At that spot, pull the grip to the direction of an arrow mark and insert the tool all the way until it hits the innermost end. Releasing the grip reverts the grip and secures the tool in place. Tool Grip Fig. 2 4. Check the receptacle If the receptacle only loosely accepts the plug, the (3) Pull the tool to make sure it is locked completely. receptacle must be repaired. Contact a licensed (4) To remove the tool, fully pull the grip in the electrician to make appropriate repairs. direction of the arrow and pull out the tool. If such a fautly receptacle is used, it may cause 7. Regulating the number of rotations and overheating, resulting in a serious hazard. hammering (Fig. 3) This Rotary Hammer is equipped with a built-in electronic control circuit that can adjust and 7

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7
English
Grip
Tool
SPECIFICATIONS
Motor
Single-Phase, Series Commutator Motor.
Power Source
Single-Phase, 120 V 60 Hz
Current
9.2 A
Capacity
Drill Bit:
1-9/16" (40 mm)
Core Bit:
4-1/8" (105 mm)
No-Load Speed
240 – 480/min
Full-load Blow
1,320 – 2,650/min
Weight
15.0 lbs (6.8 kg)
ASSEMBLY AND OPERATION
APPLICATIONS
Rotation and hammering function
±
Drilling anchor holes
±
Drilling holes in concrete
Hammering function only
±
Crushing concrete, chipping, digging, and
squaring (by applying optional accessories)
PRIOR TO OPERATION
1.
Power source
Ensure that the power source to be utilized
conforms to the power source requirements
specified on the product nameplate.
2.
Power switch
Ensure that the switch is in the OFF position. If the
plug is connected to a receptacle while the switch
is in the ON position, the power tool will start
operating immediately and can cause serious
injury.
3.
Extension cord
When the work area is far away from the power
source, use an extension cord of sufficient
thickness and rated capacity. The extension cord
should be kept as short as practicable.
WARNING:
Damaged cord must be replaced or
repaired.
4.
Check the receptacle
If the receptacle only loosely accepts the plug, the
receptacle must be repaired. Contact a licensed
electrician to make appropriate repairs.
If such a fautly receptacle is used, it may cause
overheating, resulting in a serious hazard.
5.
Confirming condition of the environment:
Confirm that the work site is placed under
appropriate conditions conforming to prescribed
precautions.
6.
How to install tool
CAUTION:
For tools such as a drill bit and a bull point, use
only Hitachi genuine parts.
(1)
Clean, then smear the tool shank with the grease
provided in the green tube.
(2)
To attach the tool (SDS max shank), insert it into
the hole until it contacts the innermost end of the
hole as illustrated in Fig. 2.
If you continue to turn the tool with slight pressure,
you can feel a spot where there is a hitch. At that
spot, pull the grip to the direction of an arrow mark
and insert the tool all the way until it hits the
innermost end.
Releasing the grip reverts the grip and secures the
tool in place.
(3)
Pull the tool to make sure it is locked completely.
(4)
To remove the tool, fully pull the grip in the
direction of the arrow and pull out the tool.
7.
Regulating the number of rotations and
hammering (Fig. 3)
This Rotary Hammer is equipped with a built-in
electronic control circuit that can adjust and
Fig. 2