Draining the fuel pre-filter (extra
equipment)
1
Place a container beneath the fuel filter.
2
Open the bleed screw (1) on the fuel filter about 4
turns.
3 Drain the water and contaminants via the plug in the
bottom of the filter.
4 Bleed the fuel system.
Freshwater System
The cooling system ensures that the engine operates
at the correct temperature. It is a closed system that
should always be filled with a coolant mixture.
IMPORTANT:
Coolant of a suitable chemical composition must be
used all year round to protect the engine against
internal corrosion, cavitation and frost bursting.
This even applies when there is no risk for frost
damage, to make sure the engine always has a
complete corrosion protection.
Therefore, the use of anti-corrosion agents alone, or
water alone as a coolant, is not permitted in Bukh
engines.
The coolant must be based on Organic Acid
Technology (OAT). Using an improper coolant or
mixing with another coolant will rapidly reduce the
performance and lifetime of the engine. Material
incompatibility can lead to leakages, which - in the
worst case - can cause engine breakdown.
Bukh strongly recommend the use of our own
coolants, ”Bukh Coolant VCS Ready Mixed” or the
concentrate ”Bukh Coolant VCS”, which ensure the
protection of the cooling system components from
corrosion, ageing, swelling and cracking, thereby
ensuring optimal engine lifetime.
Over time the corrosion protection additives become
less effective, and consequently the coolant must be
changed at regular intervals to maintain sufficient
protection of the engine. The latest Service Protocol
that specifies service intervals can be found at
volvopenta.com.
coolant vcs ready mixed
P0013077
Maintenance
47708085 11-2016 © Bukh 97
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