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TRANSLATION OF THE ORIGINAL INSTRUCTIONS (Keep for future reference)
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U400 INSTRUCTIONS
01
02/10/2015
02/10/2015
EN
5.8.
TASKS THAT CAN BE PERFORMED ONLY BY MAINTENANCE TECHNICIANS
The ROUTINE MAINTENANCE operations which must be performed by a maintenance technician are indicated below.
The instructions concerning the replacement are not given in this manual and they must therefore be explicitly requested from the machine
manufacturer, which reserves the responsibility for the replacement interventions.
METHODS AND RESULTS
Proceed to dismantle the hammer to replace the gaskets only or
the whole piston as follows:
FREQUENCY
Every 1,000,000 V-nails
inserted
CHECK
Check / replace:
=
#%#&<?#!!
1.
Slacken the locking handle on
the stand to tilt the working bench
backwards.
Disconnect the air supply from the
machine.
2.
Disconnect the 2 pipes connected to
the cylinder.
Remove the 4 socket head screws
which secure the pneumatic cylinder
to the head.
3.
Remove the pneumatic cylinder and
extract the hammer if it is still inside
it.
Remove all traces of dirt, clean with
degreaser, check for wear, grease all
the internal surface.
4.
Replace the external head seal with
the aid of a screwdriver.
Clean the seal seat thoroughly and
grease.
5.
Replace the lip seal inside the head
with the aid of a screwdriver.
Clean the seat and the bush hole
thoroughly and grease.
6.
Remove the seals from the hammer,
clean well and grease, check for wear
or the presence of chips.
Install the new seals making sure
the lip seals are placed the right way
round.
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