F.F. Group DH 11MX PRO Original Instructions Manual page 11

DH 11MX PRO
This start-up time can be shortened by striking the
chisel in the power tool against the floor one time.
SHOCK ABSORPTION EQUIPMENT (4)
The tool is equipped with an Anti Vibration Con-
trol system, which dramatically reduces vibration.
AVC is designed to reduce vibrations normally
transmitted to the operator. These vibrations
induce fatigue, accidents and long term injuries
(RSI) etc.
SETTING THE IMPACT RATE
This electronic control enables step-less speed
pre-selection in accordance with the material to
be worked. The constant electronic control keeps
the preselected impact rate nearly constant be-
tween no-load and load conditions. Select the im-
pact rate with the speed adjuster function knob
(6) according to the material.
CHANGING THE CHISELING POSITION (VARIO-
LOCK)
The chisel can be locked in 12 positions. In this
manner, the optimum working position can be set
for each application. Insert the chisel into the tool
holder. Push the limited ring (3) forward and turn
the chisel to the required position with the limit-
ed ring (3). Release the limited ring backward (3)
and turn the chisel until it latches.
MAINTENANCE AND INSPECTION
WARNING: Remove the plug from mains be-
fore adjusting, or cleaning the tool.
1. Inspecting the demolition hammer
Use a dull accessory, such as bull point, cutter,
etc., will cause motor malfunction and efficien-
cy degraded. Replace with a new one when
your accessory is abased.
2. Inspecting the mounting screws
Regularly inspect all mounting screws and
ensure that they are properly tightened. Any
loose screw should be tighten immediately.
Failure to do maybe cause serious hazard.
3. Inspecting the bit retainer
The retainer may become loose due to exces-
sive use. Make sure the bit shank position is
hold securely, if any wear or damage is found,
ask the authorized service people to mainte-
nance.
4. Maintenance the motor
The motor is the heart of the machine, please
avoid any damage to the winding, or any water
and oil to wet it.
5. Cleaning
Never use any caustic agents to clean plastic
parts. Such as: gasoline, carbon tetrachloride,
chlorinated cleaning solvents, ammonia and
household cleaners containing ammonia. Do
not use any of these to clean the tool. Keep the
machine clean all the time. Clean the housing
only with a damp cloth. Do not use any sol-
vents! Dry thoroughly afterwards.
CAUTION: Do not use cleaning agents to clean
the plastic parts of the tool. A mild detergent on
a damp cloth is recommended. Water must never
come into contact with the tool.
ENVIRONMENTAL PROTECTION
Recycle raw materials instead of disposing as
waste. Machine, accessories and packaging
should be sorted for environment - friendly recy-
cling. The plastic components are labeled for cat-
egorized recycling.
WARRANTY
This product is warranted in accordance with the
legal/country specific regulations, effective from
the date of purchase by the first user. Damage
attributable to normal wear and tear, overload or
improper handling will be excluded from the guar-
antee. In case of a claim, please send the machine,
completely assembled, to your dealer or the ser-
vice Centre for electric power tools.
English | 11
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