MAKE SURE THAT THE OIL DRAIN PLUG IS INSTALLED TIGHTLY.
IF THE DRAIN PLUG IS NOT TIGHTLY INSTALLED AND LEAKS,
ENGINE FAILURE WILL OCCUR.
I. Safety the oil drain plug and screen in accordance with the best standard practices described
in the latest revision of AC43.13-1B.
J. Replace the oil filter. Refer to “Oil Filter Replacement” procedure in this chapter.
K. Add oil to the engine. Refer to the “Add Oil to the Engine” procedure in this chapter.
L. Operate the engine under usual conditions until the oil has reached the “Desired Oil
Temperature” listed in Appendix A of the YO-233-B2A Engine Installation and Operation
Manual.
M. Allow the engine to cool for 15 minutes.
N. Examine the engine and nacelle for oil leaks. Refer to the “Oil Leak Check” procedure in this
chapter.
DISPOSE OF THE USED OIL AND CLEAN UP ANY SPILLED OIL OR FUEL
IN COMPLIANCE WITH FEDERAL, STATE, AND LOCAL
ENVIRONMENTAL REGULATIONS.
O. Clean up any oil spilled on the engine and nacelle.
P. Send oil for analysis.
Q. Refer to the sections "Engine Wear and Oil Analysis" and "Guidelines for Results of Oil
Analysis" in this chapter.
9. Oil Filter Replacement
A. Remove the oil filter (Figure 3) from the engine.
B. Examine the oil filter for metal particles, shavings or flakes. Refer to the “Oil Filter/Suction
Screen Inspection” procedure in this chapter.
C. Install a new oil filter.
Figure 3
Oil Filter Assembly
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