Intake Manifold and Cylinder Heads/Intake Manifold REMOVE INTAKE MANIFOLD 1. Remove muffler. (See machine technical manual.) 2. Remove four cap screws to remove exhaust pipes and gasket (A). Inspect exhaust pipes for cracks or damage. Replace as necessary. M36913 -UN-25JAN90 3. Remove air cleaner base.
(See Group 05 in this manual.) CTM2 (19APR90) 10-2 16, 18, 20 & 24HP Onan Engines M98,2010K,4 -19-11NOV85 AllTractorManuals.com 130495 SPECIFICATIONS Item Measurement Specification MUFFLER AND EXHAUST PIPES Exhaust Pipe Cap Screw P218G, P220G, B43E, B43G, B48G Torque 11 ± 3 N·m 97 ± 27 lb-in.) Engines T260 Engine Torque 29 ± 2 N·m (257 ± 18 lb-in.) Lift Bracket Cap Screw Torque 11 ± 3 N·m (97 ± 27 lb-in.) INTAKE MANIFOLD Attaching Cap Screw B43E, B43G, B48G Engines Torque 11 ± 3 N·m (97 ± 27 lb-in.) T260 Engine Torque 29 ± 2 N·m (257 ± 18 lb-in.) P218G, P220G Engines Torque 6 N·m (53 lb-in.) CYLINDER HEAD Cylinder Head Flatness 0.005—0.10 mm (0.002—0.004 in.) Attaching Cap Screws or Nuts P218G, P220G, B43E, B43G, B48G Torque-In Sequence 20 ± 1 N·m (180 ± 12 lb-in.) Engines T260 Engine:
(Top six nuts with washers) Torque-In Sequence 16 ± 1 N·m (142 ± 12 lb-in) (Bottom four nuts) Torque-In Sequence 20 ± 1 N·m (180 ± 12 lb-in.) Lift Bracket Cap Screw Torque 11 ± 3 N·m (97 ± 27 lb-in.) M98,2010K,3 -19-10FEB87 10 2