TECHNICAL
MANUAL
Litho in U.S.A
John Deere
Lawn & Grounds Care Division
21C, 21S, 21HC and 45BP
Hand Held Products
TM1524 (April 95)
INTRODUCTION
3/20/95
1 - 1
This technical manual is written for an experieced
technician and contains sections that are specifically for
this product. It is a part of a total product support
program.
The manual is organized so that all the information on a
particular system is kept together. The order of grouping
is as follows:
• Table of Contents
• Specifications
• Theory of Operation
• Troubleshooting Diagram
• Diagnostics
• Tests & Adjustments
• Repair
Note: Depending on the particular section or system
being covered, not all of the above groups may be
used.
Each section will be identified with a symbol rather than a
number. The groups and pages within a section will be
consecutively numbered.
All information, illustrations and specifications in this
manual are based on the latest information available at
the time of publication. The right is reserved to make
changes at any time without notice.
We appreciate your input on this manual. To help, there
are postage paid post cards included at the back. If you
find any errors or want to comment on the layout of the
manual please fill out one of the cards and mail it back to
us.
COPYRIGHT© 1995
JOHN DEERE HORICON WORKS
Horicon, Wisconsin
All rights reserved
Information
Specifications and
Electrical
Engine
Safety
Power Train
SAFETY
1 - 2
3/30/95
HANDLE FLUIDS SAFELY-AVOID
FIRES
• BE PREPARED FOR EMERGENCIES
When you work around fuel, DO NOT smoke or work
near heaters or other fire hazards.
Store flammable fluids away from fire hazards. DO
NOT incinerate or puncture pressurized containers.
Make sure machine is clean of trash, grease, and
debris.
DO NOT store oily rags; they can ignite and burn
spontaneously.
Be prepared if a fire starts:
• Keep a first aid kit and fire extinguisher handy.
• Keep emergency numbers for doctors, ambulance
service, hospital, and fire department near your
telephone.
TS227