Check out this frequently requested service information. See the Operations Section, also, since it contains several owner/operator manuals that contain maintenance information.
Hydraulic Systems is a Simplicity training booklet, titled "Principles and Operation of Tractor Hydraulic Systems." Similar to the electrical systems articles below, this section is a good introduction to hydraulic cylinders, relief valves, control valves, hydrostatic drives, etc.
Electrical Systems is a new series of articles written by Al Eden, a long-time dealer, master technician, and the club's honorary "Mr Wizard" (for his ability to explain complex things in simple, understandable terms). These articles explain how the electrical systems work and how to
The Motor Oil page is a Q&A from the club's discussion page that explains the correct oil and WHY you should use it....
The Onan Electrics page is a Q&A from the club's discussion page that explains how the Onan charging system works and how you can troubleshoot it....
The Kohler Electrics page is a Q&A from the club's discussion page that explains the how the Kohler charging system works and how you can troubleshoot it....
The Vari-Drive Adjustment is the step-by-step procedure for adjusting the Variable Speed Pulley system used on AC models B110 through 300 series, and corresponding Simplicity Landlords. Source is the AC B Series Service Manual.
The Wiring Diagrams are for B-Series Allis-Chalmers, taken from the AC B-Series Service Manual.
The Lube Section (Page 1 and Page 2) is from a Simplicity-provided service poster and describes the proper lubricants and fluids for your tractor.
The Hydro Filters page is from a Simplicity-provided service poster and describes the proper filter for your tractor's hydrostatic transmission.