Cylinder Head, Valves and Manifolds ROCKER ARM COVER NOTE: Some models may be equipped with an oil fill extension and/or adaptor with an o-ring. 1 M82004A 1-18 4/7/95 AllTractorManuals.com Special Nut (2) 18 N•m (160 lb-in.) Oil Filler Cap O-Ring (2) O-Ring Breather Fitting Crankcase Breather Tube Rocker Arm Cover Gasket Lock Washer (4) Baffle Breather Screw (4) Deflector O-Ring Seal Oil Filler Cap O-Ring (2) O-Ring ather Fitting eather Rocker Arm Cov Gasket Lock Washer (4) Baffle Breather Screw (4) Deflector O-Ring Seal Crankcase Br Tube eather Rocker Arm Cov er