MAINTENANCE
67
Interval Task
Every 100 hours of operation or once a
year, whichever occurs first.
Supercharger ‑ Change oil.
Power package exterior surfaces ‑
Clean and paint.
Check engine cylinder compression.
Oil coolers for the engine and power
steering ‑ Clean seawater section.
Replace positive crankcase
ventilation (PCV) valve.
Flame arrestor and crankcase
ventilation hose ‑ Inspect, clean or
replace.
Engine alignment ‑ Check.
Exhaust ‑ Check for signs of water
leakage.
Exhaust system internal and external
shutters ‑ Inspect.
Engine output shaft, bearing, and pilot
bushing ‑ Inspect and lubricate.
Rear bearing support block ‑ Check
alignment.
MerCathode system ‑ Test output.
Every 100 hours of operation or
recommissioning after storage.
Fuel filters ‑ Replace.
Every 100 hours of operation or once a
season and whenever insufficient
seawater flow is suspected (if the
operating temperature exceeds
normal).
Seawater pick‑up pump ‑
Disassemble and inspect.
Every 200 hours of operation.
Ignition system ‑ Clean and inspect
condition. Adjust or replace spark
plugs as needed.
Every 5 years.
Flush the closed cooling system and
refresh coolant.
Bravo Drive Maintenance Charts
NOTE: Only perform maintenance which applies to your particular
power package.
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