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Felisatti RHF50 Manual

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and fragile materials without shattering them and control
the tool perfectly for precision chiselling.
- When we switch on the machine its gentle acceleration
allows smooth start up, avoiding bit veering from the
correct position. It also reduces the torque transmitted
to the gear, which is transmitted to the user when the
hammer is activated with the bit in an existing hole.
- Adjustable auxiliary handle C.
BEFORE USING THIS TOOL
Warning! Before carrying out any work, check, for instance,
using a metal detector that there are no electric wires or gas
or water pipes under the surfaces you wish to work on.
Make sure the mains voltage is correct: it must be the
same as that on the specification label. Machines with
230-V can also be connected to a 220-V mains supply.
To turn the machine on, press the ON/OFF switch I and
keep it pressed down.
When the ON/OFF switch is released, the machine stops.
1. Speed adjustments. Constant electronic performance
The control electronics allow continuous pre-setting of
the revolutions and impact frequency to adapt the ma-
chine to the type of material to be worked on. Adjust-
ment is made using the speed adjustment switch H,
which has 6 positions to regulate the speed.
The higher the number, the greater the speed and
impact energy. The range of settings from “1” (low
power) to “6” (full power) makes the tool very flexible
and adaptable to different applications.
The constant speed control maintains the pre-set num-
ber of revolutions and impact frequency.
2. Mode selection switch (see Fig. 2)
Warning!: This switch E should only be activated with
the machine off.
Press the release button D on the mode selection switch
E, and turn the latter to the required setting:
Hammer only (blocked): for hollowing out
grooves, (light) scraping, chiselling and wrecking.
Hammer drilling (simultaneous rotation and percus-
sion): for drilling in concrete and masonry work.
Hammer only (blocked): for hollowing out
grooves, (light) scraping, chiselling and wrecking.
3.- Fitting and removing tools (SDS-max
)
The dustproof hood A prevents the entry of dust during
operation. When fitting tools, take care not to scratch the
dustproof hood A.
Fitting the tool (see Fig.4.)
1. Clean and slightly lubricate the tool before fitting.
2. Pull back the bit holder ring B and fit the clean tool in
the tool-holder, turning until in place.
3. Release the bit holder ring.
4. Pull the tool to ensure it is blocked.
To remove the tool (see Fig.4).
Push back the bit holder ring B on the toolholder, and
remove the bit.
4. Auxiliary handle
WARNING: For safety reasons, the hammer should only
be used with the auxiliary handle C securely fitted.
Ensure that it is firmly fitted before use.
Fitting in forward position.
1. Unscrew the auxiliary handle C.
2. Insert the clamp until K in the clamp collar J.
3. Screw the handle back on firmly C.
5. Safety clutch
Should the drill tool seize up or become jammed, the
drilling rotation stops.
Due to the resulting forces, hold the machine firmly in
both hands, taking care to maintain it in a stable
position.
6. Built-in dust guard
The toolholder has a dustproof hood A. This prevents
dust entering the toolholder during work. The dust guard
should be checked when the brushes are being changed
by the service centre, and replaced if necessary.
OPERATING MODES
Hammer drill mode
For drilling in concrete, cement, etc.,
1. Press the release button E.
2. Set the selector switch D to .
Use bits with tungsten carbide tips.
Place the bit where you wish to make the hole, then
press the trigger. Do not force the tool. You will obtain
better results by applying only light pressure. Hold the
tool in place so that it does not move from the hole.
Should the hole become blocked with shavings or other
particles, do not apply greater pressure. Rather use the
tool on the minimum setting, and then partially remove
the bit from the hole. If you repeat this operation a few
times the hole will come clean.
WARNING: When the bit begins to penetrate concrete
or comes up against the reinforcement rods in the con-
crete, the tool may react dangerously. Make sure you
keep your balance by distributing your weight evenly and
keeping your feet in a safe position whilst holding the
tool firmly in both hands to avoid dangerous reactions.
Hammer only
For chipping, descaling or wrecking,
1. Press the release button D.
2. Set the mode selection switch E to .
Use a chipping tool, cold chisel, descaler, etc.
NOISE AND VIBRATION
The machine’s noise and vibration levels, measured in
compliance with EN60745-1, usually reach:
Acoustic pressure = 96 dB(A)
Sound-power level = 109 dB(A)
Use ear protection!
Vibration acceleration = 14 m/s
2
ACCESSORIES
Accessories and their corresponding order number can
be found in our catalogues.
MAINTENANCE AND CARE
WARNINGAlways unplug the machine before carrying
out work on it.
- When you notice a decrease in hammer output, take
the machine to an Official Service Centre.
- Tool inspection: Using a blunt cutting tool leads to
less efficient work and could damage the motor,
therefore cutting tools should be sharpened or re-
… 4 …


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