Hitachi H65SB2 [7/44] English
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Hitachi H65SB2 [7/44] English

Hitachi H65SB2 [7/44] English
6
English
4. Mounting a tool
NOTE
For tools such as a bull point and a cold chisel,
use only genuine HITACHI parts.
(1) Clean, then smear the tool shank with grease or
machine oil (Fig.1).
(2) Rotate the stop lever 180° in a clockwise direction
while pulling it toward you. Next, insert the tool
shank into the hexagonal hole on the frontcover
(Fig.1).
(3) Clamp the tool by turning the stop lever by half
a turn in the opposite direction (Fig. 2).
HOW TO USE THE DEMOLITION HAMMER
1. Squeeze the trigger switch after applying the tip of
the bit to the crushing position.
In some cases, it is necessary to punch the tip of
the bit against the crushing position forcibly in
order to begin the striking motion.
This is not due to malfunction of the tool. It means
that the safe guard mechanism against no-load
striking is working.
2. Operate the tool by utilizing its empty weight. The
performance will not be better even if the tool is
pressed or thrust forcibly against the work surface.
Hold the tool with a force just sufficient to counteract
the reaction (Fig. 3).
GREASE REPLACEMENT
This machine is of full air-tight construction to protect
against dust and to prevent lubricant leakage. Therefore,
the machine can be used without lubrication for long
periods. Replace the grease as described below.
Grease Replacement Period
After purchase, replace grease after every 6 months of
usage. Ask for grease replacement at the nearest Hitachi
Authorized Service Center.
MAINTENANCE AND INSPECTION
CAUTION
Be sure to swith OFF and disconnect the attachment
plug from the receptacle to avoid a serious accident.
1. Inspecting the tool
Since use of a dull tool will degrade efficiency and
cause possible motor malfunction, sharpen or
replace the tool as soon as abrasion is noted.
2. Inspecting the mounting screws
Regularly inspect all mounting screws and ensure
that they are properly tightened. Should any of the
screws be loose, retighten them immediately. Failure
to do so could result in serious hazard.
3. Maintenance of the motor
The motor unit winding is the very “heart” of the
power tool. Exercise due care to ensure the winding
does not become damaged and/or wet with oil or
water.
4. Inspecting the carbon brushes (Fig. 4)
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 screws (Hexagon socket hd. bolt M4×8)
of the cap covers, then remove the cap covers (Fig.
5). After removing the brush caps, the carbon
brushes can be removed.
After replacing the carbon brushes, tighten the brush
caps, then mount the cap covers securely.
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 a 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 may be changed without
prior notice.
NOTE
Due to HITACHI’s continuing program of research and
development, the specifications herein are subject to
change without prior notice.
Information concerning airborne noise and vibration
Vibration total values (triax vector sum) determined
according to EN60745.
Chiselling:
Vibration emission value
ah, Cheq = 19.9 m/s
2
Uncertainty K = 2.3 m/s
2
WARNING
䡬 The vibration emission value during actual use of
the power tool can differ from the declared value
depending on the ways in which the tool is used.
䡬 To identify the safety measures to protect the
operator that are based on an estimation of exposure
in the actual conditions of use (taking account of
all parts of the operating cycle such as the times
when the tool is switched off and when it is running
idle in addition to the trigger time).
01Eng_H65SB2_EE 7/31/08, 15:306

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English 4 Mounting a tool NOTE For tools such as a bull point and a cold chisel use only genuine HITACHI parts 1 Clean then smear the tool shank with grease or machine oil Fig 1 2 Rotate the stop lever 180 in a clockwise direction while pulling it toward you Next insert the tool shank into the hexagonal hole on the frontcover Fig 1 3 Clamp the tool by turning the stop lever by half a turn in the opposite direction Fig 2 HOW TO USE THE DEMOLITION HAMMER 1 2 Squeeze the trigger switch after applying the tip of the bit to the crushing position In some cases it is necessary to punch the tip of the bit against the crushing position forcibly in order to begin the striking motion This is not due to malfunction of the tool It means that the safe guard mechanism against no load striking is working Operate the tool by utilizing its empty weight The performance will not be better even if the tool is pressed or thrust forcibly against the work surface Hold the tool with a force just sufficient to counteract the reaction Fig 3 GREASE REPLACEMENT This machine is of full air tight construction to protect against dust and to prevent lubricant leakage Therefore the machine can be used without lubrication for long periods Replace the grease as described below Grease Replacement Period After purchase replace grease after every 6 months of usage Askforgrease re placement at the nearest Hitachi Authorized Service Center 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 screws Hexagon socket hd bolt M4x8 of the cap covers then remove the cap covers Fig 5 After removing the brush caps the carbon brushes can be removed After replacing the carbon brushes tighten the brush caps then mount the cap covers securely 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 a 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 may be changed without prior notice NOTE Due to HITACHI S continuing development the specifications change without prior notice program herein of research are subject and to MAINTENANCE AND INSPECTION CAUTION Be sure to swith OFF and disconnect the attachment plug from the receptacle to avoid a serious accident 1 Inspecting the tool Since use of a dull tool will degrade efficiency and cause possible motor malfunction sharpen or replace the tool as soon as abrasion is noted 2 Inspecting the mounting screws Regularly inspect all mounting screws and ensure that they are properly tightened Should any of the screws be loose retighten them immediately Failure to do so could result in serious hazard 3 Maintenance of the motor The motor unit winding is the very heart of the power tool Exercise due care to ensure the winding does not become damaged and or wet with oil or water 4 Inspecting the carbon brushes Fig 4 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 Information concerning airborne noise and vibration Vibration total values triax vector sum determined according to EN60745 Chiselling Vibration emission value 3h Cheq 19 9 m s2 Uncertainty K 2 3 m s2 WARNING O The vibration emission value during actual use of the power tool can differ from the declared value depending on the ways in which the tool is used O To identify the safety measures to protect the operatorthat are based on an estimation of exposure in the actual conditions of use taking account of all parts of the operating cycle such as the times when the tool is switched off and when it is running idle in addition to the trigger time 6

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