Makita HR5211C - Manual (Page 2)

Principle of
Dynamic Vibration Absorber
Reinforcing bar Reinforcing bar Reinforcing bar
Piston
Striker
Sleeve
Air
Striker
Piston
How to generate POWER
How to manage VIBRATION
How to bring you COMFORT
THE MOTHER EARTH SOMETIMES QUAKES.
85
mm
Time to reach ELV
Rubberized Grip
:: For comfort
Slide Chuck
:: Push-in and Go
:: Slide-back and Pull
Name Plate
:: Located on
low damage risk area
LED
:: Green :Electrified
:: Red :Replacement of carbon brush
Dial
:: Variable speed control
No Hammering
while Idling
:: Ensures machine's long life
Torque Limiter
:: When drill bit hits against
reinforcements,
Torque Limiter operates
to stop
Longer life of
Carbon brushes
:: features twice as long as
that of Predecessor model
by employing large carbon brush.
Mode Change Lever
:: Located on
low damage risk area
:: Protected by
robust aluminum top
Long Barrel Portion
:: can be securely held by hand
Long Barrel Portion
:: can be securely held by hand
16 Angle Settings
of Chisel bit
HR5211C
HR5210C
HR5201C
/// Active Dynamic Vibration Absorber
/// Active Dynamic Vibration Absorber
/// Vibration Absorbing Grip
Lear Learned ned
fr from om
the the
Mother Earth Mother Earth
Learned
from
the
Mother Earth
MAKITA's
"Active" Dynamic
Vibration Absorber
(HR5211C and HR5210C)
Extremely Comfortable
Easy and Very Comfortable
Easy and Comfortable
Easier to manage the exposure of vibration to body.
Easy operating Slide Lock-on Switch for hammering.
Easiest to manage the exposure of vibration to hands and arms.
Slide Lock-on switch leaves operators' fingers out of effort
to keep pulling trigger for long hours when hammering.
Selectable Switches
Hammering
Hammering
Hammering
with Rotation
Hammering
with Rotation
Vibration Absorbing Grip
(HR5211C only)
Spring
Hinge
Piston
Balancer
Air
Piston
Balancer
Air
Air
Air
Slide lock-on switch
for Hammering
Trigger switch for
Hammering and
Hammering with Rotation
Tool does not
come with bit
Tool does not
come with bit
Tool does not
come with bit
Shift of air pressure in crank room
and barrel room "actively"
controls balancer to move
opposite of piston.
Spring loaded
hinged grip absorbs vibration
Auto Cut-Out Carbon Brush
:: protects commutator and
indicates time for maintenance
20 m/s 2 25 m/s 2 15 m/s 2
60min
77 min
42 min
32 min
26 min
29 min
30min
10 m/s 2
12.5 m/s 2 HR5211C
HR5210C
HR5201C
Competitor "B"
HR5001C
Comparison of Vibration level* and Time to reach ELV (Exposure Limit of Vibration)**
*It is known as the tri-axial value and value at Directive of A(8).
**It means the maximum amount of vibration that an operator may be exposed to on any single day.
Vibration level
See the Result of AVT
17.0 m/s 2
19.5 m/s 2
21.5 m/s 2
20.5 m/s 2