Variable Speed Page 6 – Serviceability Checklist

John Deere Marine Variable Speed Engine Application Review Form – April 2025

Review serviceability, daily checks, regular maintenance access, and serviceability concerns. Conditional rows are controlled by Page 1 selections.

Serviceability

Operator Manual Reviewed with Customer

Daily Maintenance & Checks

Check Oil Level
Add Oil
Check Coolant Level
Add Coolant
Check & Drain Fuel Water Separator
Adjust Hose Clamp Tension
Close Seacock
Clean Sea Water Strainer
Fuel Return Valve Open
Access to Hand Primer

Regular Maintenance

Change Engine Oil
Replace Oil Filters
Replace Air Cleaners
Replace Fuel Filters
Adjust Valve Lash
Change Engine Coolant
Replace Vibration Damper
Service Crankcase Vent System
Replace Zinc Anodes
Replace Raw Water Pump Impeller
Clean & Remove Heat Exchanger Core
Clean and Remove CAC Core
Adjust All Belt Tension
Inspect the vessel installation for service access and verify that routine maintenance items can be performed safely and practically.

Sea Trial and Serviceability Comments and Recommendations