Hyd-Mech DM8 - Vice Does Not Close or Does Not Open (MA Version); The CCS Optional is Not Working

MEP S.p.A.
10--8 Use and maintenance manual DM 8
PROBLEM PROBABLE CAUSE SOLUTION
The pressure gauge does not gi-
ve blade tension pressure
' Oil level .Top up oil level in blade tensioner
cylinder
' Blocked connection .Check for blockages
' Broken .If damaged, replace
Vice does not close or does not
open (MA version)
' Pneumatic cylinder .Check that the cylinder gaskets are
airtight by removing the pipe (from
quick fit c onnection) where there is
no pressurised air, and checking if
air is escaping from the connection.
If air is escaping, replace the gas-
kets or the whole cylinder unit.
' VM: Vice valve .Check that the valve is functioning
properly; if necessary replace.
' Supply hose .Check that the pipe is not kinked or
blocked. Remove blockage
' Air treatment unit .Check that the air treatment group is
supplying the pressure shown on the
gauge.
The CCS optional is not working
' Relay .Check that it is correctly supplied
and not burnt out
' Selector switch .Check connections. Replace if de-
fective
' Lock valve .Check for impurities preventing cor-
rect functioning. Replace if defective
' Regulator .Check that input and output pipes
are free of kinks and obstructions
' Spring .Check that the spring is correctly
tensioned
' Cylinder .Check that hydraulic circuit oil level
is sufficient
' Limiter .Check connections and functioning
' Head control lever microswitch .Check connections and functioning