John Deere S240 Riding Lawn Tractor Service Repair Manual
(TM134619)
Manual Included:
Repair Technical Manual: 480 Pages (TM134619)
Operator Manual Manual 117 pages OMKV11661
Specifications:
Brand: John Deere
Model: S240
Serial Number & Publication:
(S.N. 010001 – 880000) – TM134619
Type: Tractors
Manuals: Technical Manual
Language: English
Format: PDF
John Deere S240 Riding Lawn Tractor Service Repair Manual TM134619 –OMKV11661 Complete Technical Guide
Overview of the John Deere S240 Service Repair Manual
We provide a comprehensive and technically Heavy Equipment detailed resource for the John Deere S240 Riding Lawn Tractor Service Repair Manual (TM134619 OMKV11661 ), engineered to support professional technicians, mechanics, and equipment owners in achieving precise maintenance and repair outcomes.
This manual is structured to deliver factory-grade procedures, diagnostic protocols, and system breakdowns that ensure optimal machine performance, extended service life, and reduced downtime.
What This Manual Covers
The John Deere S240 service manual is a complete technical document that includes all mechanical, electrical, and hydraulic systems. It is designed to meet OEM standards and provides step-by-step repair procedures.
Key Sections Included:
- General Information & Safety Procedures
- Engine System Diagnostics & Repair
- Fuel and Air Intake Systems
- Electrical Wiring Diagrams & Troubleshooting
- Transmission and Drive System
- Steering and Brake Systems
- Mower Deck Service and Adjustments
- Preventive Maintenance Schedules
- Torque Specifications & Technical Data
Engine System Service and Diagnostics
We detail complete procedures for servicing the engine system, including disassembly, inspection, and reassembly.
Engine Service Highlights:
- Cylinder head inspection and valve clearance adjustment
- Carburetor and fuel injection servicing
- Cooling system maintenance
- Lubrication system diagnostics
- Compression testing procedures
These procedures ensure accurate troubleshooting and prevent unnecessary component replacement.
Electrical System and Wiring Diagrams
The manual includes full electrical schematics and wiring diagrams for accurate fault tracing.
Electrical Coverage:
- Starter motor and ignition system diagnostics
- Battery testing and charging system checks
- Fuse and relay identification
- Sensor testing procedures
- Complete circuit diagrams
These diagrams allow technicians to isolate faults quickly and efficiently.
Transmission and Drive System Repair
We provide a detailed breakdown of the hydrostatic transmission and drivetrain components.
Included Procedures:
- Transmission removal and installation
- Drive belt inspection and replacement
- Axle and differential servicing
- Hydrostatic system troubleshooting
This ensures smooth operation and prevents power loss during operation.
Mower Deck Maintenance and Adjustment
The mower deck is critical for cutting performance. This manual includes:
- Blade removal and sharpening procedures
- Deck leveling and alignment
- Belt routing diagrams
- Spindle and pulley maintenance
Proper deck maintenance guarantees consistent and professional cutting results.
John Deere S240 Riding Lawn Tractor Service Repair Manual
Preventive Maintenance Schedule
We outline a factory-recommended maintenance plan to maximize equipment longevity.
Maintenance Intervals:
| Interval | Service Task |
|---|---|
| Daily | Visual inspection, fluid level check |
| 50 Hours | Oil change, air filter cleaning |
| 100 Hours | Spark plug replacement, belt inspection |
| 200 Hours | Full system inspection and lubrication |
Routine maintenance reduces major repair costs and improves reliability.
Technical Specifications
The manual includes precise specifications required for professional servicing:
- Engine torque values
- Fluid capacities and types
- Electrical voltage and resistance values
- Belt tension specifications
- Fastener torque charts
These specifications ensure accuracy during every repair operation.
- Table of Content (Technical Manual – TM134619)
- Section 10—General Information
- Group 05—Safety
- Group 10—General Specifications
- Group 15—Fuels and Lubricants
- Group 20—Machine Specifications
- Section 20—Engine Repair
- Group 10—Repair
- Section 30—Electrical Repair
- Group 10—Wiring Harnesses
- Section 40—Power Train Repair
- Group 10—Power Train Repair
- Section 50—Steering and Brake Repair
- Group 10—Steering Repair
- Group 20—Brake Repair
- Section 60—Attachments Repair
- Group 10—Attachments Repair
- Section 70—Miscellaneous Repair
- Group 10—Miscellaneous Repair
- Section 220—Engine Operation, Tests, and Adjustments
- Group 10—Component Location
- Group 20—Theory of Operation
- Group 30—General Information
- Group 40—Diagnostics
- Group 50—Tests and Adjustments
- Section 230—Electrical Operation, Tests, and Adjustments
- Group 10—Theory of Operation
- Group 20—Diagnostics
- Group 30—Tests and Adjustments
- Group 40—Schematics
- Group 50—Connector Information
- Section 240—Power Train Operation, Tests, and Adjustments
- Group 10—Component Location
- Group 20—Theory of Operation
- Group 30—Diagnostics
- Group 40—Tests and Adjustments
- Section 250—Steering and Brake Operation, Tests, and Adjustments
- Group 10—Component Location
- Group 20—Theory of Operation
- Group 30—Tests and Adjustments
- Section 260—Attachments Operation, Tests, and Adjustments
- Group 10—Component Location
- Group 20—Diagnostics
- Group 30—Tests and Adjustments
- Section 299—Service Tools
- Group 10—Service Tools and Kits.
John Deere S240 Riding Lawn Tractor Service Repair Manual
Controls and Operation
Starting Procedure
Step 1
Sit in the operator seat.
Step 2
Depress the brake pedal.
Step 3
Disengage the PTO switch.
Step 4
Move throttle to the appropriate position.
Step 5
Turn ignition key to START.
Step 6
Release key when engine starts.
Stopping Procedure
- Disengage PTO.
- Reduce engine speed.
- Apply brake.
- Set parking brake.
- Turn ignition OFF.
- Remove key.
Cutting Height Adjustment
The S240 offers:
- 13 cutting positions
- Height range from 1 to 4 inches
- 1/4-inch adjustment increments
This allows precise mowing height selection based on grass conditions and seasonal requirements.
Maintenance Guide
Daily Maintenance
Before each use:
Check
- Engine oil level
- Fuel level
- Tire pressure
- Safety systems
- Mower blades
- Deck cleanliness
Clean
- Grass buildup
- Engine cooling fins
- Deck underside
Every 25 Hours
Inspect:
- Air filter
- Fuel filter
- Battery terminals
- Deck belt condition
- Blade sharpness
Every 50 Hours
Perform:
- Engine oil change
- Lubrication of moving components
- Deck leveling inspection
- Safety switch testing
Annual Maintenance
Replace:
- Engine oil filter
- Air filter element
- Spark plugs
- Fuel filter if necessary
Conduct a complete inspection of:
- Belts
- Spindles
- Steering components
- Electrical system
Mower Deck Maintenance
Blade Inspection
Inspect blades for:
- Cracks
- Excessive wear
- Bent cutting edges
- Imbalance
Signs of Dull Blades
- Torn grass tips
- Uneven cut
- Increased fuel consumption
- Poor clipping discharge
Sharpen or replace blades as required.
Deck Cleaning
The S240 includes a deck wash port.
Cleaning Procedure
- Park on level ground.
- Connect garden hose.
- Start engine.
- Engage mower deck.
- Allow water to circulate.
Regular cleaning prevents corrosion and improves airflow performance.
