Specifications
DFP4 2011 Operation Manual   
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5.3. Maintenance Work Completed 
Please use the chart below to keep a log of the maintenance that has been done on your 
engine. 
Op. 
Hours 
Date Signature  
Op. 
Hours 
Date Signature 
50-150*      -     
125      250     
375      500     
625      750     
875      1000     
1125      1250     
1375      1500     
1625      1750     
1875      2000     
2115      2250     
2375      2500     
2625      2750     
* Break-in Service 
6. Service and Maintenance 
This section describes the different maintenance procedures that are required for your 
engine. 
6.1. Lubrication System 
The following information pertains to the maintenance of your engines’ lubrication 
system. 










