Maintenance And Inspection - Hitachi DH 25DAL Bedienungsanleitung

(4) To rem ove the drill bit (taper shank), insert the
cotter into the slot of the taper shank adapter and
strike the head of the cotter w ith a ham m er
supporting on the rest. (Fig. 15)
8. Sw itching betw een the "SAVE" and the "POWER"
modes
The ham m ering force of the ham m er can be
increased or decreased to conform w ith intended
usage, by operating the shift knob as per Fig. 16.
Adjust the force to m atch the usage intended.
(1) " SAVE" m ode ... decreased ham m ering force
This can prevent thin drill bits w hich are less than
5 m m in diam eter, from being bent or broken.
(2) " POWER" m ode ... increased ham m ering force
This can be used to speedily and efficiently drill
holes w hen the drill bits w hich are being used are
greater than 5 m m in diam eter.
This can be used to drill holes into w ood or m etal.
CAUTION:
Do not drill holes in w ood w ith the " SAVE" m ode.
There is a likelihood that the m otor w ill burn out
because it can easily lock up due to the low pow er.
LUBRICATION
Low viscosity grease is applied to this rotary ham m er so
that it can be used for a long period w ithout replacing the
grease. Please contact the nearest service center for
grease replacem ent w hen any grease is leaking form
loosened screw .
Further use of the rotary ham m er despite the grease
shortage causes dam age to reduce the service life.
CAUTION:
A specific grease (FG-6A) is used w ith this m achine,
therefore, the norm al perform ance of the m achine m ay
be badly affected by use of different grease. Please be
sure to let one of our service centers to undertake
replacem ent of the grease.
M AINTENANCE AND INSPECTION
1. Inspecting the tool
Since use of a dull tool w ill degrade efficiency and
cause possible m otor m alfunction, sharpen or
replace the tool as soon as abrasion is noted.
2. Inspecting the mounting screw s
Regularly inspect all m ounting screw s and ensure
that they are properly tightened. Should any of the
screw s be loose, retighten them im m ediately. Failure
to do so could result in serious hazard.
3. M aintenance of the motor
The m otor unit w inding is the very " heart" of the
pow er tool. Exercise due care to ensure the w inding
does not becom e dam aged and/or w et w ith oil or
w ater.
4. Cleaning on the outside
When the pow er tool is stained, w ipe w ith a soft
dry cloth or a cloth m oistened w ith soapy w ater.
Do not use chloric solvents, gasoline or paint thinner,
as they m elt plastics.
5. Storage
Store the pow er tool in a place in w hich the
tem perature is less than 40° C and out of reach of
children.
6. Service parts list
CAUTION:
Repair, m odification and inspection of Hitachi Pow er
Tools m ust be carried out by a Hitachi Authorized
Service Center.
This Parts List w ill be helpful if presented w ith the
tool to the Hitachi Authorized Service Center w hen
requesting repair or other m aintenance.
In the operation and m aintenance of pow er tools,
the safety regulations and standards prescribed in
each country m ust be observed.
M ODIFICATIONS:
Hitachi Pow er Tools are constantly being im proved
and m odified to incorporate the latest technological
advancem ents.
Accordingly, som e parts m ay be changed w ithout
prior notice.
GUARANTEE
We guarantee Hitachi Pow er Tools in accordance w ith
statutory/country specific regulation. This guarantee does
not cover defects or dam age due to m isuse, abuse, or
norm al w ear and tear. In case of com plaint, please send
the Pow er Tool, undism antled, w ith the GUARANTEE
CERTIFICATE found at the end of this Handling instruction,
to a Hitachi Authorized Service Center.
NOTE:
Due to HITACHI's continuing program of research and
developm ent, the specifications herein are subject to
change w ithout prior notice.
Information concerning airborne noise and vibration
The m easured values w ere determ ined according to
EN60745 and declared in accordance w ith ISO 4871.
[DH36DAL]
M easured A-w eighted sound pow er level: 101 dB (A)
M easured A-w eighted sound pressure level: 90 dB (A)
Uncertainty KpA: 3 dB (A).
Wear ear protection.
The typical w eighted root m ean square acceleration
value: 9 m /s .
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