8
MAINTENANCE
CAUTION:
• Always be sure that the tool is switched off and
unplugged before attempting to perform inspection or
maintenance.
• Never use gasoline, benzine, thinner, alcohol or the
like. Discoloration, deformation or cracks may result.
Lubrication
CAUTION:
• This servicing should be performed by Makita
Authorized or Factory Service Centers only.
This tool requires no hourly or daily lubrication because it
has a grease-packed lubrication system. However, it is
recommended to periodically replace the grease for
longer tool life.
Run the tool for several minutes to warm it up. Switch off
and unplug the tool.
Loosen the four screws and remove the handle. Note that
the top screws are different from other screws.
(Fig. 18)
Disconnect the connector by pulling them.
(Fig. 19)
Loosen the two screws on crank cap cover and remove
the crank cap cover.
(Fig. 20)
Align the change lever with the symbol , loosen the five
screws and then remove the crank cap.
(Fig. 21 & 22)
CAUTION:
• Always remove the crank cap only after aligning the
change lever with the symbol . Never remove it
forcibly without aligning the change lever with the
symbol . Failure to do so does not allow
reassembling.
(Fig. 23)
Rest the tool on the table with the bit end pointing
upwards. This will allow the old grease to collect inside
the crank housing.
Wipe out the old grease inside and replace with a fresh
grease (30 g). Use only Makita genuine hammer grease
(optional accessory). Filling with more than the specified
amount of grease (approx. 30 g) can cause faulty
hammering action or tool failure. Fill only with the
specified amount of grease.
CAUTION:
• Be careful not to damage the connector or lead wires
especially when wiping out the old grease.
To reassemble the tool, follow the disassembling
procedure in reverse.
CAUTION:
• Do not tighten the crank cap excessively. It is made of
resin and is subject to breakage.
(Fig. 24)
Connect the connector firmly and then reinstall the
handle.
CAUTION:
• Be careful not to damage the connector or lead wires
especially when installing the handle.
To maintain product SAFETY and RELIABILITY, repairs,
carbon brush inspection and replacement, any other
maintenance or adjustment should be performed by
Makita Authorized Service Centers, always using Makita
replacement parts.
ACCESSORIES
CAUTION:
• These accessories or attachments are recommended
for use with your Makita tool specified in this manual.
The use of any other accessories or attachments might
present a risk of injury to persons. Only use accessory
or attachment for its stated purpose.
If you need any assistance for more details regarding
these accessories, ask your local Makita Service Center.
• SDS-Max Carbide-tipped bits
• Bull point
• Core bit
• Cold chisel
• Diamond core bit
• Hammer grease
• Scaling chisel
• Grooving chisel
• Keyless drill chuck assembly
• Bit grease
• Side grip
• Depth gauge
• Blow-out bulb
• Safety goggles
• Plastic carrying case
For Model HR3540C
Noise
ENG102-3
The typical A-weighted noise level determined according
to EN60745:
Sound pressure level (L
pA
): 93 dB (A)
Sound power level (L
WA
): 104 dB (A)
Uncertainty (K): 3 dB (A)
Wear ear protection.
Vibration
ENG215-2
The vibration total value (tri-axial vector sum) determined
according to EN60745:
Work mode: chiseling function
Vibration emission (a
h,CHeq
): 12.5 m/s
2
Uncertainty (K): 1.5 m/s
2
ENG303-2
Work mode: hammer drilling into concrete
Vibration emission (a
h,HD
): 18.0 m/s
2
Uncertainty (K): 1.5 m/s
2
ENG301-1
Work mode: drilling into metal
Vibration emission (a
h,D
): 2.5 m/s
2
Uncertainty (K): 1.5 m/s
2
For Model HR3541FC
Noise
ENG102-3
The typical A-weighted noise level determined according
to EN60745:
Sound pressure level (L
pA
): 91 dB (A)
Sound power level (L
WA
): 102 dB (A)
Uncertainty (K): 3 dB (A)
Wear ear protection.
Vibration
ENG215-2
The vibration total value (tri-axial vector sum) determined
according to EN60745:
Work mode: chiseling function
Vibration emission (a
h,CHeq
): 9.0 m/s
2
Uncertainty (K): 1.5 m/s
2
