Hitachi DH45MR-NS [11/62] English
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Hitachi DH45MR-NS [11/62] English

Hitachi DH45MR-NS [11/62] English
English
10
4. Inspecting the carbon brushes (Fig. 22)
The Motor employs carbon brushes which are
consumable parts. When they become worn to or
near the “wear limit”, it could result in motor trouble.
When an auto-stop carbon brush is equipped, the
motor will stop automatically. At that time, replace
both carbon brushes with new ones which have the
same carbon brush Numbers shown in the figure.
In addition, always keep carbon brushes clean and
ensure that they slide freely within the brush holders.
5. Replacing carbon brushes
Loosen the two set screws and remove the tail
cover. Remove the brush caps and carbon brushes.
After replacing the carbon brushes, tighten the brush
caps securely and install the tail cover with securely
tightening two set screws.
6. Service parts list
A: Item No.
B: Code No.
C: No. Used
D: Remarks
CAUTION
Repair, modification and inspection of Hitachi Power
Tools must be carried out by an Hitachi Authorized
Service Center.
This Parts List will be helpful if presented with the
tool to the Hitachi Authorized Service Center when
requesting repair or other maintenance.
In the operation and maintenance of power tools,
the safety regulations and standards prescribed in
each country must be observed.
MODIFICATIONS
Hitachi Power Tools are constantly being improved
and modified to incorporate the latest technological
advancements.
Accordingly, some parts (i.e. code numbers and/or
design) may be changed without prior notice.
NOTE:
Due HITACHI’s continuing program of research and
development, the specifications herein are subject to
change without prior notice.
Information concerning airborne noise and vibration
The measured values were determined according to
EN60745 and declared in accordance with ISO 4871.
Measured A-weighted sound power level: 105 dB (A).
Measured A-weighted sound pressure level: 94 dB (A).
Uncertainty KpA: 3 dB (A).
Wear ear protection.
The typical weighted root mean square acceleration
value: 11.4 m/s
2
.
01Eng_DH45MR_EE 4/20/07, 2:12 PM10

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English 4 Inspecting the carbon brushes Fig 22 The Motor employs carbon brushes which are consumable parts When they become worn to or near the wear limit it could result in motor trouble When an auto stop carbon brush is equipped the motor will stop automatically At that time replace both carbon brushes with new ones which have the same carbon brush Numbers shown in the figure In addition always keep carbon brushes clean and ensure that they slide freely within the brush holders 5 Replacing carbon brushes Loosen the two set screws and remove the tail cover Remove the brush caps and carbon brushes After replacing the carbon brushes tighten the brush caps securely and install the tail cover with securely tightening two set screws 6 Service parts list A Item No B Code No C No Used D Remarks CAUTION Repair modification and inspection of Hitachi Power Tools must be carried out by an Hitachi Authorized Service Center This Parts List will be helpful if presented with the tool to the Hitachi Authorized Service Center when requesting repair or other maintenance In the operation and maintenance of power tools the safety regulations and standards prescribed in each country must be observed MODIFICATIONS Hitachi Power Tools are constantly being improved and modified to incorporate the latest technological advancements Accordingly some parts i e code numbers and or design may be changed without prior notice NOTE Due HITACHI S continuing program of research and development the specifications herein are subject to change without prior notice Information concerning airborne noise and vibration The measured values were determined according to EN60745 and declared in accordance with ISO 4871 Measured A weighted sound power level 105 dB A Measured A weighted sound pressure level 94 dB A Uncertainty KpA 3 dB A Wear ear protection The typical weighted value 11 4 m s2 root mean square acceleration 10

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