SECTION II: ENGINE OIL COOLERS
5 7 REPLACE/REPAIR ENGINE OIL COOLER LINES
THIS TASK COVERS
Tool kit, general mechanic's (Appendix C, item 53)
Nuts, self-locking (12) (Appendix G, item 166)
Dry-cleaning, solvent (Appendix D, item 9)
Engine deck removed (see paragraph 9-51)
Gaskets (4) (Appendix G, item 52)
Oil drained to crankcase (see paragraph 3-7)
The following procedure applies to either the left- or right-hand oil cooler lines.
Remove engine oil cooler inlet line (1) by loosening union nut (2) at each end.
Remove loop clamp (3) from engine oil cooler outlet line (4) by removing nut (5) and screw (6).
Remove engine oil cooler outlet line (4) by loosening union nut (7) at each end.
Remove two elbows (8) by removing three self-locking nuts (9) and gasket (10) from each.
Dry-cleaning solvent used to clean parts is potentially dangerous to personnel and property. Do not use near open
flame or excessive heat. Flashpoint of solvent is 138 degrees (°) Fahrenheit (F) (590 Celsius [C] ).
Clean two engine oil cooler lines (1 and 4) and two elbows (8) thoroughly with dry-cleaning solvent.