SmartGyro 102OM405, Operation Manual

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37
SG20 Operation Manual
PERIODIC MAINTENANCE
*1. Whichever comes first
System Item
Periodic Maintenance Interval
Every 300
hours or
6 months
*1
Every 6
months or
500 hours
*1
Every 12
months or
1000 hours
*1
Every 24
months or
2000 hours
*1
Cooling
system Check that there are no leaks in the
cooling circuit (fittings, hoses, heat
exchanger).
Check the coolant level. Top up the
coolant with a mixing ratio of 50
(ethylene glycol) to 50 (soft water) if
necessary.
Check the heat exchanger for damage.
Descale the heat exchanger.
Disassemble and descale the heat
exchanger. If descaling is not possible,
replace it.
Coolant flush and refill.
Check the cooling hoses for wear
and damage. When the parts are
replaced, the air purge of the cooling
circuit is performed and the coolant is
replenished with a mixing ratio of 50
(ethylene glycol) to 50 (soft water).
Every 12
months
Check that the seawater inlet/outlet
hoses of the heat exchanger are
securely connected and that the
relevant hose clamps are not corroded
and securely fastened.
Every 6
months
Check that the seawater hoses reaching
the heat exchanger are not clogged.
Clean or replace if clogged.
Every 6
months
Vacuum
system Check that the vacuum circuit hoses are
securely connected and that the hoses
are not rubbed or damaged. Replace if
rubbed or damaged.
Every 12
months
Check that the vacuum pump is
securely fixed and that the mounting
screws are not corroded. If there is
corrosion, remove the corrosion and
treat with a corrosion inhibitor.
Every 12
months