Bosch RHA-50 User Manual
IMPORTANT: IMPORTANT : IMPORTANTE:
Read Before Using Lire avant usage Leer antes de usar
Operating/Safety Instructions
Consignes de sécurité/d’utilisation
Instrucciones de funcionamiento y seguridad
RHA-50
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personal injury.
Read and understand all instructions. Failure to follow all instructions listed below, may result in electric shock, fire and/or serious
IMPORTANT SAFETY AND OPERATING INSTRUCTIONS
“SAVE THESE INSTRUCTIONS”
Safety Rules
Read and follow all instructions in the
rotary hammer Operating/Safety Instructions in addition to the instructions in
this manual. Both documents contain in-
formation that covers the safety and proper operation of the tool.
Ensure that the right angle attachment is
properly installed before operating. The
user could experience a loss of control if
improperly installed.
Do not grasp the right angle attachment
during or immediately after use barehanded. Wear protective gloves if necessary. The surface of the right angle at-
tachment may get hot during prolonged
use and burn the user.
During operation, ensure that you maintain a body position that assures that you
can maintain control of the tool. The right
angle attachment is designed to allow the
user to get into tight spaces. However, it
is important that the user not operate the
tool in a way where he cannot maintain full
control and balance.
Disconnect the tool’s plug from the power source before making any assembly,
adjustments or changing accessories.
Such preventative measures reduce the
risk of starting the tool accidentally.
Use care when making bit changes. Allow the bit to cool if needed before removing from the tool or wear protective
gloves. The bit may become hot during
use and potentially burn the user when
handling.
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Assembly
In conjunction with a Bosch SDS-Plus® rotary hammer, the right angle attachment
is designed for working in tight spaces.
The attachment is to be used for hammer
drilling in concrete, brick and stone, and
for non-impact drilling in wood, metal,
Fig. 1
ALLEN WRENCH
RIGHT ANGLE
ATTACHMENT
BORE ON RIGHT
ANGLE ATTACHMENT
ALLEN SCREW
ceramic or plastic. The right angle attachment can only be used in conjunction
with the following Bosch rotary hammers
with collar diameter of 50mm: 11253VSR,
11255VSR, 11536VSR, RH228VC, RH328VC, RH328VCQ.
COLLAR
STOP SURFACE
SPACER RING
Disconnect the plug from the power
source before making any assembly, adjustments or changing accessories. Such
preventive safety measures reduce the
risk of starting the tool accidentally.
Remove the auxiliary handle of the power tool before you mount the right angle
attachment.
Keep the collar of the rotary hammer and
2. Put the right angle attachment on the
collar up to the stop surface of the rotary
hammer and tighten the Allen screw using
the Allen wrench.
3. Check that the right angle attachment is
seated firmly against the contact surface
of the rotary hammer.
NOTE: Store the spacer ring together with
the attachment after use.
the bore on the right angle attachment
free of grease.
1. Slide the spacer ring onto the collar until it engages. The spacer ring secures the
right angle attachment to prevent it from
twisting.
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Using Accessories
Disconnect the plug from the power
source before making any assembly, adjustments or changing accessories. Such
preventive safety measures reduce the
risk of starting the tool accidentally.
Installing SDS-plus® Accessories
Clean the insert shank end of the accessory to remove any debris, then lightly
grease with a light oil or lubricant.
Insert accessory into the chuck through
the dust shield, while twisting and pushing inward until it locks automatically into
place. Pull outward on the accessory to be
certain it is locked into the chuck (Fig. 2).
Removing SDS-plus® Accessories
Accessories may be hot after use. Avoid
contact with skin and use proper protective gloves or cloth to remove.
To remove an accessory, pull locking
sleeve backward and pull bit forward. All
accessories should be wiped clean after
removing (Fig. 3).
Operating Instructions
Wear protective gloves if necessary. The
right angle attachment may become hot
when operated for extended periods of
time.
Fig. 2
DUST
SHIELD
Fig. 3
LOCKING
SLEEVE
– When continuously drilling holes in concrete, let the right angle attachment cool
down to room temperature according to
the maximum number of holes stated in
the table below.
Drill bit diameter Maximum number of holes
1/8” - 3/16” 5mm 12
1/4” 6mm 12
5/16” 8mm 10
3/8” 10mm 10
1/2” 12mm 10
9/16” 14mm 8
5/8” 16mm 6
11/16” 18mm 5
> 3/4” 20mm 3
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Operating Instructions
During operation, ensure that you maintain a body position that assures that you
can maintain control of the tool. The right
angle attachment is designed to allow the
user to get into tight spaces. However, it
is important that the user not operate the
tool in a way where he cannot maintain full
control and balance.
Fig. 4
min. 7/8”
When operating a Bosch SDS-Plus® rotary
hammer with the right angle attachment
installed, please follow guidelines (Fig. 4)
for working in tight spaces.
min. 8”
min. 7-1/4”
Save These Instructions
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