Engine - Diesel - Scheduled Maintenance

Guide/Book Page

Engine - Diesel - Scheduled Maintenance

Diesel Engine Scheduled Maintenance

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Before every engine start:

• Check Oil (level, color, smell)
• Check belts (tightness, cracks, etc.)
• Check hoses (cracks, leaks etc.)
• Check coolant level
• Check fuel filter bowl
• Check Raw water strainer
• Engine in nuetral?

After every start:

• Check water discharge (is she spitting?)
• Check for smoke (amount, color)
• Check raw water weep holes (should be dry after running)
• Listen for unusual noise/vibration
• Visual Inspection (vibration, etc.)

50 hours or 6 months

• Change oil and oil filter (always together)
• Check or replace primary fuel filter
• Check transmission fluid levels
• Check zincs (if provided)
• Clean engine (touch-up paint if needed)
• Complete Visual Inspection (including exhaust system & fuel tank)
• Check O-ring on fuel deck fill (a major cause of water in fuel)
• Check fuel vent is clear
• Check packing gland

100 hours or 12 months

• 50 hours/6 month checks
• Check or replace secondary fuel filter
• Do full engine survey going over all systems

200 hours or 24 months

• 50 hours/6 month checks
• Drain and flush coolant
• Raw water impeller (inspect or replace)
• Air filter (inspect or replace)
• Engine alignment check
• Transmission fluid
• Exhaust elbow (inspect)

500 hours

• Replace hoses and belts
• Rebuild/replace raw water pump
• Check head torque
• Check valve clearances
• Injectors