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6159945470
Issue no: 11
Series: B
Original instructions.
© COPyRIGHT 2011, DESOUTTER HP2
7BW UK
All rights reserved. Any unauthorized use
or copying of the contents or part thereof
is prohibited. This applies in particular to
trademarks, model denominations, part numbers
and drawings. Use only authorized parts. Any
damage or malfunction caused by the use of
unauthorised parts is not covered by Warranty or
Product Liability.
INSTRUCTIONS
This product is designed for removing
material using abrasives. No other
use permitted. For professional use
only. Before servicing the power tool,
the supply of compressed air must be
disconnected or shut off.
When disposing of components,
lubricants, etc ... ensure that the
relevant safety procedures are carried
out.
For dust extraction, please contact your
local sales.
The tool is designed for a working
pressure of 6.3 bar (90 psig). The
compressed air must be clean. The
installation of a filter is recommended.
For maximum efficiency and
performance, comply with the
specification of the air hose (antistatic
hose). (Refer to figure no.1 for
compressed air connection).
A: Ømini = 10mm (3/8")
B: 7 m max.
A
To obtain maximum efficiency from the
pneumatic tool, preserve its features
and avoid repeated repairs, a routine
inspection and repair programme
are recommended at least every 500
hours, the intervals between the various
inspections depending on the amount of
exertion on the power tool.
1
8 / 36
DISASSEMBLy AND REASSEMBLy
INSTRUCTIONS
K912-300/500
● Unscrew the front housing (45) and the
Disassembling the collet spindle assembly (see
figure 2).
● Unscrew the plug (52) before extracting the
Disassembling the turbine:
● Remove the turbine from its housing (15),
● Unscrew the speed governor (17) or the
Disassemble the turbine (see figure 4):
● CLAMP THE ROTOR SLIGHTLY IN A VICE
B
Reassembling the turbine:
● Proceed in reverse order with respect to
● Apply a small quantity of "Loctite 243" on
● Make sure that the turbine is correctly
2
Check the free speed of the tool
at regular intervals and after each
operation or maintenance task. Remove
the abrasive to check the speed. The
maximum allowed speed shown on
the tool must not be exceeded and the
vibration level must not be excessive.
This tool is fitted with blades which can
operate without lubricated air. However,
a small amount of oil allows the tool to
provide full power and lengthens its life.
The use of dry air with no trace of oil
may reduce the life of blades.
Disconnect the machine from the
compressed air supply. Remove all
accessories.
intermediate housing (43).
spindle, being careful with the needles.
and pull out the lock ring (28 or 31).
screw (16).
Left thread (see figure 3).
FITTED WITH LEAD JAWS, then unscrew
the coupling fork (41) or the collet holder (34
or 37).
disassembly.
Be careful with the direction for
assembling the blades.
the thread of the governor (17) or screw (16)
before tightening it to a torque of 2 Nm.
positioned (see figure 5).
3
4
5
09/2011
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