5
If the oil-pump system malfunctions, no
oil will be fed to the main machine. In
this case, the unit normally detects this
malfunction to give an alarm. Depending
on malfunction mode, however, the
malfunction may not be detected. If the
main machine should be protected even
under the said condition, mount a flow
switch in the oil path of the main
machine to monitor the oil flow.
Prior to or immediately after the connection
of the oil cooling unit, check to be sure the
oil piping on the main machine side is not
blocked. Running the unit with the oil piping
blocked may fracture an oil hose due to an
oil temperature increase or make oil flow
outside the oil cooling unit. Furthermore,
when the oil temperature exceeds the
upper limit, FH alarm will be given. In this
case, stop the main machine side as
quickly as possible.
CAUTION
CHECK
Mount a flow switch to the main machine.
CHECK
Check to be sure the oil piping.
00_PB00540A_M10.indb 5 2023/08/09 12:58:50
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