impact BM255, Руководство пользователя

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12
OPERATION
CHECK THE SPRING OF THE SLIDING DEVICE
PROCEDURE Ensure that the push up spring of the sliding device (assembled on the hammer) has
not reached its yielding point and that it pushes the device to the max. stroke.
FREQUENCY AFTER 50 WORKING HOURS
OPERATION
CHECK THE PULL CHAIN ARM AND ITS SPRINGS.
PROCEDURE Ensure that the pull-chain arm and its springs (located inside the compactor) are
working correctly, keeping the chain well stretched.
FREQUENCY AFTER 50 WORKING HOURS
OPERATION
CHECK THE LEADING PLATE AND THE SLIDING DEVICE OF THE RAMMER
PROCEDURE Verify that the leading plate and the sliding device are not worn out. If necessary
replace them.
FREQUENCY AFTER 50 WORKING HOURS
OPERATION
CHECK THE LINK BLOCKS OF THE CHAIN
PROCEDURE Ensure that the nylon link blocks keep the chain pushed towards the hammer. If
necessary adjust them using the fixing screws.
FREQUENCY AFTER 50 WORKING HOURS
OPERATION
CHECK THE PROPER WORKING OF THE SAFETY DEVICE CONNECTED TO
THE LOWER SAFETY GUARD
PROCEDURE Let the compactor work for some minutes simulating a test. Open the safety guard.
When this is opened push the button to start again the working of the compactor.
If the appliance doesn’t start any of its functions, the safety system is working
properly. If the appliance starts some of its functions stop immediately using the
machine and follow the disposal given in the chapter “DIAGNOSIS” of this user
manual.
PRECAUTIONS During this inspection nobody, including the end user can be in the space
where the rammer is moving.
FREQUENCY AFTER 50 WORKING HOURS
OPERATION CHECK THE COUPLE OF SCREW NUTS THAT LOCK THE FIXING BOLTS.
PROCEDURE The screw nuts “A9” of the threaded
fixing bolts - used to fix the mould
supporting table and the wooden
column at the concrete basement –
are fix
ed
with a
couple of
locking
10Nm as described by the Standard.
Before using the compactor, it is
advisable to check the screw nuts by
using a proper wrench in order to
correct the settlements that may
occur between the assemblage and
the first test.
FREQUENCY Carry out this check periodically, with a frequency of about 120 days