6 - MAINTENANCE
40 90-8M0098854 MARCH 2015
MAINTENANCE CHARTS
ENGINE AND TRANSMISSION
Interval Task
Check prior to every use and
every 3 hours of operation
Engine oil (reservoir), power
steering and transmission fluid ‑
Check level
Battery ‑ Check water level and
inspect for damage
After each use
Flush the cooling system if used in
salty, brackish, or mineral laden
water
Seawater strainer ‑ Check for
debris and clean
Every 25 hours or 90 days of
operation
Seawater pickups ‑ Check for
marine growth or debris
Engine oil and filter ‑ Change
Anodes ‑ Inspect and replace if 50
percent eroded
Initial valve lash adjustment
Every 50 hours of operation or
once a year, whichever occurs
first.
Perform 25 hour maintenance
items
Inspect condition and tension of all
drive belts
Inspect cooling system hoses and
clamps
Interval Task
Inspect exhaust system condition
and tighten clamps
Inspect electrical system for loose
or damaged wires
Every 75 hours of operation
Inspect and adjust valve lash
Clean high pressure fuel filter
Replace water separating filter
Transmission oil change
Every 100 hours of operation or
once yearly, whichever occurs
first.
Perform 25 and 50 hour
maintenance items
Seawater pickup pump ‑
Disassemble and Inspect
Engine alignment ‑ Check
Every 150 hours of operation
Replace accessory and oil drive
belts
Closed cooling system
Replace extended life coolant
every four years and conventional
coolant every two years.
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