Atlas Copco TEX140PS Revisie-instructies - Pagina 7
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Overhaul
After each operating period of approximately 150
impact hours or twice a year the machine must be
dismantled and all parts be cleaned and checked.
This work must be performed by authorised staff,
trained for this task.
Cleaning
Before disassembly, properly clean the outside of
the machine.
Checking the function of the
machine
Through out the disassembly of the machine the
following tests shall be carried out to ensure that the
machine is functioning correctly after re-assembly:
Function of the piston
Function of the main valve
Function of the tool retainer
Measuring the tool chuck
Function of the piston
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© 2007 Atlas Copco Construction Tools AB
Function of the main valve
When the valve is completely re-assembled using
a new O-ring, the main valve, the valve cover and
the spring pin, shake it up and down and listen for
the "click"-sound of the main valve. If there is no
sound the valve will not function properly.
Function of the tool retainer
If the tool comes out, then replace the tool retainer.
Measuring the tool chuck
Too big a clearance between the insertion tool's
shank and the tool chuck will generate increased
vibrations. To avoid exposure to excessive
vibrations, check the tool chuck for wear every day.
Use the gauge that corresponds to the insertion
tool's shank dimension. If it is possible to push the
gauge (point A) fully into the tool chuck (to point B)
then replace the tool chuck.
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No. 9800 0800 01
2007-10-01
1.
Drop the piston into the cylinder. If there is
a contact sound between the piston and
the intermediate part, then replace the
intermediate part and proceed to point 2.
If there is no sound, then proceed with the
disassembly procedure.
2.
Drop the piston into the cylinder again. If
there is still a contact sound, then replace the
piston.
3.
Repeat the test. If there is still a sound, then
replace the cylinder.
1.
Open the tool retainer.
2.
Insert the insertion tool.
3.
Lock the tool retainer.
4.
Pull the inserted tool strongly outwards.
B
Overhaul instructions
A
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