Kohler Comand Pro CH1000, Service Manual

Page: 16 / 142

1.12
Section 1
Safety and General Information
Piston, Piston Rings, and Piston Pin
Piston-to-Piston Pin Running Clearance ..................................................... 0.006/0.018 mm (0.0002/0.0007 in.)
Piston Pin Bore I.D.
New
............................................................................................................ 19.006/17.013 mm (0.7482/0.7485 in.)
Max. Wear Limit ....................................................................................... 19.025 mm (0.7490 in.)
Piston Pin O.D.
New
............................................................................................................ 18.995/19.000 mm (0.7478/0.7480 in.)
Max. Wear Limit ....................................................................................... 18.994 mm (0.7478 in.)
Top Compression Ring-to-Groove Side Clearance .................................... 0.04/0.08 mm (0.0015/0.0031 in.)
Middle Compression Ring-to-Groove Side Clearance .............................. 0.04/0.08 mm (0.0015/0.0031 in.)
Oil Control Ring-to-Groove Side Clearance ................................................ 0.03/0.19 mm (0.0011/0.0074 in.)
Top and Center Compression Ring End Gap
New Bore .................................................................................................. 0.30/0.55 mm (0.011/0.021 in.)
Used Bore (Max.)...................................................................................... 0.94 mm (0.037 in.)
Piston Thrust Face O.D.²
New
........................................................................................................... 89.953/89.967 mm (3.5414/3.5420 in.)
Max. Wear Limit ..................................................................................... 89.925 mm (3.540 in.)
Piston Thrust Face-to-Cylinder Bore² Running Clearance
New
............................................................................................................ 0.033/0.72 mm (0.0013/0.0028 in.)
Starter Assembly
Thru Bolt Torque
Delco-Remy (Solenoid Shi ft ) .................................................................. 5.6-9.0 N·m (49-79 in. lb.)
Mounting Screw Torque ................................................................................. 15.3 N·m (135 in. lb.)
Brush Holder Mounting Screw Torque
Delco-Remy Starter .................................................................................. 2.5-3.3 N·m (22-29 in. lb.)
Solenoid (Starter)
Mounting Hardware Torque
Delco-Remy Starter .................................................................................. 4.0-6.0 N·m (35-53 in. lb.)
Nut, Positive (+) Brush Lead Torque
Delco-Remy Starter .................................................................................. 8.0-11.0 N·m (71-97 in. lb.)
Stator
Mounting Screw Torque ................................................................................. 6.2 N·m (55 in. lb.)
Throttle/Choke Control Bracket
Fastener Torque ............................................................................................... 9.9 N·m (88 in. lb.)
Valve Cover
Valve Cover Fastener Torque......................................................................... 13.6 N·m (120 in. lb.)
² Measure 11 mm (0.433 in.) above the bo tt om of the piston skirt at right angles to the piston pin.