Kohler COMMAND CH18-745 User Manual download pdf (Page 10)

1.9

Section 1

Safety and General Information

Camshaft

End Play (With Shim) .................................................................................. 0.076/0.127 mm (0.0030/0.0050 in.)

Running Clearance ...................................................................................... 0.025/0.063 mm (0.0010/0.0025 in.)

Bore I.D.

New....................................................................................................... 20.000/20.025 mm (0.7874/0.7884 in.)

Max. Wear Limit.................................................................................... 20.038 mm (0.7889 in.)

Camshaft Bearing Surface O.D.

New....................................................................................................... 19.962/19.975 mm (0.7859/0.7864 in.)

Max. Wear Limit.................................................................................... 19.959 mm (0.7858 in.)

Carburetor and Intake Manifold

Intake Manifold Mounting Fastener Torque

Torque in Two Stages ............................................................................ initially to 7.4 N·m (66 in. lb.)

finally to 9.9 N·m (88 in. lb.)

Carburetor Mounting Screw Torque M6 ....................................................... 6.2-7.3 N·m (55-65 in. lb.)

Adapter (for Heavy Duty Air Cleaner) Mounting Fastener Torque ................ 7.3 N·m (65 in. lb.)

Connecting Rod

Cap Fastener Torque (torque in increments)

8 mm straight shank.............................................................................. 22.7 N·m (200 in. lb.)

8 mm step-down ................................................................................... 14.7 N·m (130 in. lb.)

6 mm straight shank.............................................................................. 11.3 N·m (100 in. lb.)

Connecting Rod-to-Crankpin Running Clearance

New....................................................................................................... 0.030/0.055 mm (0.0012/0.0022 in.)

Max. Wear Limit.................................................................................... 0.070 mm (0.0028 in.)

Connecting Rod-to-Crankpin Side Clearance .............................................. 0.26/0.63 mm (0.0102/0.0248 in.)

Connecting Rod-to-Piston Pin Running Clearance ...................................... 0.015/0.028 mm (0.0006/0.0011 in.)

Piston Pin End I.D.

New....................................................................................................... 17.015/17.023 mm (0.6699/0.6702 in.)

Max. Wear Limit.................................................................................... 17.036 mm (0.6707 in.)

Crankcase

Governor Cross Shaft Bore I.D.

6 mm Shaft

New ................................................................................................... 6.025/6.050 mm (0.2372/0.2382 in.)

Max. Wear Limit................................................................................. 6.063 mm (0.2387 in.)

8 mm Shaft

New ................................................................................................... 8.025/8.075 mm (0.3159/0.3179 in.)

Max. Wear Limit................................................................................. 8.088 mm (0.3184 in.)

Breather Cover Fastener Torque ................................................................. 7.3 N·m (65 in. lb.)

Oil Drain Plug Torque ................................................................................... 13.6 N·m (10 ft. lb.)

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Kohler COMMAND CH18-745 User Manual Page 10