Kohler COMMAND CH18-745 User Manual download pdf (Page 12)

1.11

Section 1

Safety and General Information

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.)

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Kohler COMMAND CH18-745 User Manual Page 12