LT133, LT155 & LT166 Lawn Tractors - Technical Manual - John Deere

Oct 23, 2026

Upload by Rhys

Technical manual for John Deere LT133, LT155, and LT166 lawn tractors, intended for experienced technicians. Provides a structured support approach with grouped system information and consistent section identification, including diagnostic, specifications, wiring harness references, schematics, troubleshooting, theory of operation, tests and adjustments, and repair procedures. Includes safety guidance covering signal words and safety-alert symbols, plus safe handling for fluids, fuel and fire prevention, emergency preparedness, and battery explosion/acid burn prevention with recommended protective practices.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages35

Reading Time1 h 28 min

AccessFree to download

Safety

Recognize safety information

Understand signal words

Replace safety signs

Handle fluids safely-avoid fires

Be prepared for emergencies

Use care in handling and servicing batteries

Prevent battery explosions

Prevent acid burns

Use safe service procedures

Wear protective clothing

Service machines safely

Use proper tools

Park machine safely

LT133, LT155 & LT166 Lawn Tractors TECHNICAL MANUAL John Deere Worldwide Commercial and Consumer Equipment Division TM1695 (20Sep00) Replaces TM1695 (15Sep98) Litho in U.S.A M85700 This technical manual is written for an experienced 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 • General Diagnostic Information • Specifications • Electrical Wiring Harness Legend • Component Location • System Schematic • Wiring Harness • Troubleshooting Chart • Theory of Operation • 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. 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 tous. 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. COPYRIGHT© 2000 Deere and Co. John Deere Worldwide Commercial and Consumer Equipment Division Horicon, WI All rights reserved | Safety | | | --- | --- | | Specifications and Information | | | --- | --- | | Kohler Engines | | | --- | --- | | Briggs & Stratton Engine | | | --- | --- | | Electrical | | | --- | --- | | Power Train (Gear) | | | --- | --- | | Power Train (Hydrostatic) | | | --- | --- | | Steering | | | --- | --- | | Brakes | | | --- | --- | | Attachments | | | --- | --- | | Miscellaneous | | | --- | --- | 9/25/00 1-1 SAFETY RECOGNIZE SAFETY INFORMATION This is the safety-alert symbol. When you see this symbol on your machine or in this manual, be alert to the potential for personal injury. Follow recommended precautions and safe servicing practices. UNDERSTAND SIGNAL WORDS A signal word—DANGER, WARNING, or CAUTION—is used with the safety-alert symbol. DANGER identifies the most serious hazards. DANGER or WARNING safety signs are located near specific hazards. General precautions are listed on CAUTION safety signs. CAUTION also calls attention to safety messages in this manual. REPLACE SAFETY SIGNS Replace missing or damaged safety signs. See the machine operator’s manual for correct safety sign placement. 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. 1-2 9/25/00 USE CARE IN HANDLING AND SERVICING BATTERIES PREVENT BATTERY EXPLOSIONS • Keep sparks, lighted matches, and open flame away from the top of battery. Battery gas can explode. • Never check battery charge by placing a metal object across the posts. Use a volt-meter or hydrometer. • Do not charge a frozen battery; it may explode. Warm battery to 16°C (60° F) . PREVENT ACID BURNS • Sulfuric acid in battery electrolyte is poisonous. It is strong enough to burn skin, eat holes in clothing, and cause blindness if splashed into eyes. • Avoid acid burns by: 1. Filling batteries in a well-ventilated area. 2. Wearing eye protection and rubber gloves.

FAQs

Who is this manual written for and how is information organized?

It is written for an experienced technician. Information is grouped by system so that related material is kept together in a consistent order.

What do the safety-alert symbol and signal words indicate?

The safety-alert symbol warns of potential personal injury. DANGER identifies the most serious hazards, WARNING marks specific hazards, and CAUTION lists general precautions and safety messages.

What key precautions are recommended when servicing batteries and handling battery electrolyte?

Keep sparks and open flames away and do not charge a frozen battery. Use protective gear to prevent acid burns, avoid breathing fumes, and follow step-by-step first aid guidance for spills or exposure.

Oct 23, 2026

Upload by Rhys