Maintenance
174
*1: Whichever comes first.
*2: Check every 200 hours.
Perform the pre-operation checks and post-operation checks before performing periodic
maintenance.
Throttle bodies
Lubricate throttle valves
√
Anodes (engines)
Check for corrosion
√
*2
Valve clearance
Check and adjust
√
*2
Rubber couplings
Check for looseness and noise
√
Engine mounts
Check for damage and peeling
√
Cooling water hoses
and cooling water pi-
lot outlet hoses
Check for damage, and check con-
nections
√
Water inlet strainers
Check for damage
√
√
Intake grates
Check for damage
√
√
Impellers
Check for bends, damage, and for-
eign material
√
√
Impeller ducts
Check and lubricate
√
Jet thrust nozzles
Check movement, and lubricate
√
Intermediate hous-
ings
Lubricate
√
Anodes (jet pump
units)
Check for corrosion
√
Item
Operation
Initial
Thereafter every
10
hours
50
hours
or 12
months
*1
100
hours
or 12
months
*1
200
hours
or 24
months
*1
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