Kohler COMMAND CH18-745 - Manual (Page 12)

1.11
Section 1
Safety and General Information
1
Cylinder Head
Cylinder Head Fastener Torque
Hex. Flange Nut - Torque in Two Stages .......................................... initially to 16.9 N·m (150 in. lb.)
finally to 33.9 N·m (300 in. lb.)
Head Bolt - Torque in Two Stages .................................................. initially to 22.6 N·m (200 in. lb.)
finally to 41.8 N·m (370 in. lb.)
Max. Out-of-Flatness ............................................................................ 0.076 mm (0.003 in.)
Rocker Arm Screw Torque .................................................................... 11.3 N·m (100 in. lb.)
Fan/Flywheel
Fan Fastener Torque ............................................................................ 9.9 N·m (88 in. lb.)
Flywheel Retaining Screw Torque ......................................................... 66.4 N·m (49 ft. lb.)
Governor
Governor Cross Shaft-to-Crankcase Running Clearance
6 mm Shaft .................................................................................... 0.013/0.075 mm (0.0005/0.0030 in.)
8 mm Shaft .................................................................................... 0.025/0.126 mm (0.0009/0.0049 in.)
Governor Cross Shaft O.D.
6 mm Shaft
New ............................................................................................ 5.975/6.012 mm (0.2352/0.2367 in.)
Max. Wear Limit .......................................................................... 5.962 mm (0.2347 in.)
8 mm Shaft
New ............................................................................................ 7.949/8.000 mm (0.3129/.3149 in.)
Max. Wear Limit .......................................................................... 7.936 mm (0.3124 in.)
Governor Gear Shaft-to-Governor Gear Running Clearance ................ 0.015/0.140 mm (0.0006/0.0055 in.)
Governor Gear Shaft O.D.
New ................................................................................................ 5.990/6.000 mm (0.2358/0.2362 in.)
Max. Wear Limit ............................................................................. 5.977 mm (0.2353 in.)
Governor Lever Nut Torque .................................................................. 6.8 N·m (60 in. lb.)
Ignition
Spark Plug Type (Champion
® or Equivalent) ......................................... RC12YC or Platinum 3071
Spark Plug Gap .................................................................................... 0.76 mm (0.030 in.)
Spark Plug Torque ................................................................................ 24.4-29.8 N·m (18-22 ft. lb.)
Ignition Module Air Gap ........................................................................ 0.28/0.33 mm (0.011/0.013 in.)
Ignition Module Fastener Torque .......................................................... 4.0-6.2 N·m (35-55 in. lb.)
Speed Sensor Air Gap (EFI engines) .................................................... 1.250/1.750 mm (0.049/0.068 in.)