Hilti HIT-RE 500-SD mortar
w/
rebar (as post-install
ed conn.
)
09
/ 2014
Thes
e pages
are part of the Anchor
Fas
tening
Technology Manual is
s
ue September 2014
895
Deep boreholes – Blowing
For boreholes deeper than 250mm (for
Ø=8mm – 12mm) or
deeper
than 20 Ø (for
Ø>12mm) use the
appropriate
air nozzle Hilti HIT-DL
Safety tip:
Do not inhale conc
rete dus
t.
The application of the
dust collector Hilti
HIT-DRS
is recommended.
Deep boreholes – Brushing
For boreholes deeper than 250 mm (for
Ø=8mm – 12mm) or deeper
than 20 Ø (for
Ø>12mm) use machine brushing and brush
extens
ions HIT-RBS.
Screw the round
steel brush HIT-RB
in one end of t
he
brush
extens
ion(s) HIT-RBS,
so that the ov
erall
length of
the brush is
sufficient to
reac
h the base of the
borehole.
Attach
the other end of
the extension to the T
E-C/T
E-Y
chu
ck.
Safe
ty tip:
-
Start machine
brushing
operational
slowly.
-
Start brushing operation once brush is
inserted in borehole.
In addition for wet diamond
coring (DD):
For wet diamond coring please observ
e
the following steps in
addition
prior to
compressed air cleaning:
Remov
e
all core fragments from t
he anchor hole.
Flush
the anchor
hole with clear running water until water runs clear.
Brush the
anchor
hole again 2 times with
the appropriate
sized
brush ov
er the ent
ire
depth of the
anchor hole.
Repeat the
flushing process
until water
runs out of t
he
anchor hole.
