Mercury D1.7L DTI Alpha

59
Maintenance Schedules (Continued)
Scheduled Maintenance (Continued)
After
First 50
hours
Every
100
hours or
Annually
z
Every
200
hours or
Annually
z
Every
200
hours
or 2
years
z
Every
300
hours
or 3
years
z
Every
500
hours
or 5
years
z
Every
1000
hours
or 5
years
z
Retorque engine mounts. D
Check electrical system for loose, damaged
or corroded fasteners.
D
Inspect condition and tension of belts. D
Check cooling system and exhaust system
hose clamps for tightness Inspect both sys-
tems for damage or leaks.
D
Disassemble and inspect seawater pump and
replace worn components.
D
Clean seawater section of closed cooling sys-
tem. Clean, inspect and test pressure cap.
Check anodes.
D
Replace coolant. D
Clean intercooler core. D
Inspect timing belt and pulleys. D
Replace timing belt. D
Check valve clearance. D
Clean fuel tank. D
z Whichever Occurs First