Intake Manifold and Cylinder Heads/Cylinder Head CTM2 (19APR90) 10-11 16, 18, 20 & 24HP Onan Engines AllTractorManuals.com 130495 INSTALL CYLINDER HEAD NOTE: To install cylinder head on P218G, P220G, B43E, B43G, OR B48G engine, go to step 4. 1. For T260 engine, install a new gasket (A) on cylinder -UN-25JAN90 head. 2. Install cylinder head on cylinder block. Install flat washer (B), two compression washers (C) with outside edges contacting each other, and nut (D) on each of the M36933 top six longer studs. Install flat washer and nut on each of the bottom four shorter studs. Tighten nuts in several steps in the sequence shown. NUT TORQUE SPECIFICATIONS Top six nuts . . . . . . . . . . . . .
. . . . . . . 16 ± 1 N·m (142 ± 12 lb-in.) (with compression washers) Bottom four nuts . . . . . . . . . . . . . . . . . 20 ± 1 N·m (180 ± 12 lb-in.) 3. Install spark plug (E). A—Gasket B—Washer (10 Used) C—Compression Washer (20 Used) D—Nut (10 Used) E—Spark Plug -UN-25JAN90 M36934 M98,2010K,21 -19-30JAN87 10 11