Cub Cadet MTD 70 Series - Manual (Page 5)

III
Chapter 7: Ignition System
Troubleshooting the ignition system ................................................................85
Troubleshooting the stop switch ......................................................................85
About the spark plug ........................................................................................91
Cleaning the spark plug ...................................................................................91
Inspection of the spark plug .............................................................................91
Spark plug removal ..........................................................................................91
Ignition module ................................................................................................92
Module removal ...............................................................................................92
Installing the module and setting the air gap ................................................... 93
Engine brake and stop switch (if equipped) ..................................................... 94
Adjusting the brake assembly (if equipped) ..................................................... 95
Flywheel ...........................................................................................................96
Chapter 8: Exhaust
To remove/replace the conventional muffler ....................................................99
Catalytic converter muffler .............................................................................101
Chapter 9: Cylinder Head
Cylinder Head .................................................................................................103
Valves ............................................................................................................106
Chapter 10: Crankshaft, piston and Connecting Rod
Engine Disassembly .......................................................................................109
Crank shaft inspection ...................................................................................112
Piston Inspection ...........................................................................................113
Connecting rod inspection .............................................................................114
Cylinder inspection ........................................................................................115
Bearings .........................................................................................................116
Reassembly ...................................................................................................117
Engine specifications chart ............................................................................121
Engine torque values chart ............................................................................ 127
Chapter 11: Failure Analysis
Abrasive Ingestion .........................................................................................129
Insufficient lubrication ....................................................................................132
Engine Overspeed .........................................................................................134
Overheated ....................................................................................................135
Mechanical Breakage/ Wear.......................................................................... 136
Detonation/pre-ignition ...................................................................................136