John Deere Z910A, Z920A, Z925A, Z925A EFI, Z930A, Z950A, Z960A and Z970A ZTrak Mowers Diagnostic and Repair Service Manual (TM109119)

tm109119 - Z910A, Z920A, Z925A, Z925A EFI, Z930A, Z950A, Z960A and Z970A ZTrak Mower.pdf

Complete All Inclusive Technical Manual with electrical wiring diagrams for John Deere Z910A, Z920A, Z925A, Z925A EFI, Z930A, Z950A, Z960A and Z970A ZTrak Mowers, with all the shop information to maintain, diagnose, repair, rebuild like professional mechanics (Diagnosis, Operation, Tests, Repair, Service, Troubleshooting).

John Deere Z910A, Z920A, Z925A, Z925A EFI, Z930A, Z950A, Z960A and Z970A ZTrak Mowers workshop technical service manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.

PRODUCT DETAILS:
Total Pages: 1,599 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English

tm109119 - Z910A, Z920A, Z925A, Z925A EFI, Z930A, Z950A, Z960A and Z970A ZTrak™ Mower

Table of Contents

Foreword

Section 10: General Information

Group 05: Safety

Recognize Safety Information

Understand Signal Words

Follow Safety Instructions

Practice Safe Maintenance

Use Proper Tools

Handle Fluids Safely—Avoid Fires

Drain Gasoline When Storing Machine

Prevent Acid Burns

Prevent Battery Explosions

Handling Batteries Safely

Prepare for Emergencies

Park Machine Safely

Support Machine Properly

Wear Protective Clothing

Work in Clean Area

Service Machines Safely

Work In Ventilated Area

Illuminate Work Area Safely

Replace Safety Signs

Use Proper Lifting Equipment

Service Tires Safely

Decommissioning — Proper Recycling and Disposal of Fluids and Components

Protect Against High Pressure Spray

Live With Safety

Group 10: General Specifications

Service Recommendations for O-Ring Boss Fittings

Service Recommendations For Flat Face O-Ring Seal Fittings

Metric Cap Screw Torque Values—Grade 7

Metric Bolt and Screw Torque Values

Unified Inch Bolt and Screw Torque Values

Group 15: Fuel and Lubricant

Gasoline Engine Oil

Oil Filters

Gasoline Fuel for 4-Cycle Engines

Transmission and Hydraulic Oil

Grease

Mixing of Lubricants

Alternative and Synthetic Lubricants

Lubricant Storage

Group 20: Machine Specifications

Serial Number Locations

Section 20: Engine Repair, Kawasaki

Group 05: General Repair FX651V, FX730V, FX751V, FX801V, and FX850V

Summary of References

Service Equipment and Tools

Other Material

Specifications

Replace Fuel Filter

Remove and Install Fuel Pump

Remove and Install Throttle Cable

Remove and Install Choke Cable

Remove and Install Muffler

Remove and Install Engine

Service Air Cleaner

Remove and Install Air Cleaner Assembly

Remove Governor Lever Arm

Install Governor Lever Arm

Remove and Install Carburetor

Clean and Inspect Carburetor

Check Float Level

Remove and Install Crankcase Breather

Remove and Install Ignition Coil

Remove and Install Flywheel

Remove and Install Stator

Remove and Install Rocker Arm Cover

Remove Rocker Arm and Push Rod

Install Rocker Arm and Push Rod

Remove Cylinder Head

Disassemble and Assemble Cylinder Head

Inspect Cylinder Head

Install Cylinder Head

Inspect Valve Guides

Analyze Valves

Recondition Valve Seats

Lap Valves

Remove and Inspect Governor Shaft

Install Governor Shaft

Remove Oil Pump

Inspect Oil Pump

Install Oil Pump

Disassemble and Assemble Governor

Remove and Install Camshaft and Tappets

Inspect Camshaft and Tappets

Remove and Disassemble Piston and Connecting Rod

Inspect Piston

Inspect Connecting Rod

Assemble and Install Piston and Connecting Rod

Check Piston Ring End Gap

Remove and Install Crankshaft

Inspect Crankshaft

Replace Crankshaft Oil Seal

Deglaze Cylinder Bore

Resize Cylinder Bore

Analyze Crankshaft and Connecting Rod Wear

Remove and Install Starting Motor

Disassemble and Assemble Starting Motor

Inspect Starting Motor

Group 10: Repair FX651V and FX730V

Summary of References

Specifications

Remove and Install Throttle Control Plate (FX651V, FX730V)

Repair Carburetor (FX651V, FX730V)

Remove Intake Manifold (FX651V, FX730V)

Install Intake Manifold (FX651V, FX730V)

Remove and Install Blower Housing (FX651V, FX730V)

Remove Rocker Arm and Push Rod (FX651V, FX730V)

Install Rocker Arm and Push Rod (FX651V, FX730V)

Remove Crankcase Cover (FX651V, FX730V)

Install Crankcase Cover (FX651V, FX730V)

Group 15: Repair FX751V, FX801V, and FX850V

Summary of References

Specifications

Remove and Install Throttle Control Plate (FX751V, FX801V, FX850V)

Carburetor Repair (FX751V, FX801V, FX850V)

Remove Intake Manifold (FX751V, FX801V, FX850V)

Install Intake Manifold (FX751V, FX801V, FX850V)

Remove and Install Blower Housing (FX751V, FX801V, FX850V)

Remove and Install Oil Cooler (FX751V, FX801V, FX850V)

Remove and Install Rocker Arm Assembly (FX751V, FX801V, FX850V)

Remove Crankcase Cover (FX751V, FX801V, FX850V)

Install Crankcase Cover (FX751V, FX801V, FX850V)

Group 25: Repair FX921V and FX1000V

Summary of References

Specifications

Replace Fuel Filter (FX921V, FX1000V)

Remove and Install Fuel Pump (FX921V, FX1000V)

Remove and Install Throttle Cable (FX921V, FX1000V)

Remove and Install Choke Cable (FX921V, FX1000V)

Remove and Install Muffler (FX921V, FX1000V)

Remove and Install Engine (FX921V, FX1000V)

Service Air Cleaner (FX921V, FX1000V)

Remove and Install Air Cleaner Assembly (FX921V, FX1000V)

Remove and Install Throttle Control Plate (FX921V, FX1000V)

Remove and Install Carburetor (FX921V, FX1000V)

Carburetor Repair (FX921V, FX1000V)

Clean and Inspect Carburetor (FX921V, FX1000V)

Check Float Level (FX921V, FX1000V)

Remove Intake Manifold (FX921V, FX1000V)

Install Intake Manifold (FX921V, FX1000V)

Remove and Install Crankcase Breather (FX921V, FX1000V)

Remove Breather Baffle (FX921V, FX1000V)

Install Breather Baffle (FX921V, FX1000V)

Remove and Install Blower Housing (FX921V, FX1000V)

Remove and Install Ignition Coils (FX921V, FX1000V)

Remove and Install Flywheel (FX921V, FX1000V)

Remove and Install Stator (FX921V, FX1000V)

Remove and Install Oil Cooler (FX921V, FX1000V)

Remove and Install Rocker Arm Cover (FX921V, FX1000V)

Remove and Install Rocker Arm Assembly (FX921V, FX1000V)

Inspect Rocker Arm and Push Rod (FX921V, FX1000V)

Remove Cylinder Head (FX921V, FX1000V)

Disassemble and Assemble Cylinder Head (FX921V, FX1000V)

Inspect Cylinder Head and Valve Guides (FX921V, FX1000V)

Analyze Valves (FX921V, FX1000V)

Recondition Valve Seats (FX921V, FX1000V)

Lap Valves (FX921V, FX1000V)

Install Cylinder Head (FX921V, FX1000V)

Remove Crankcase Cover (FX921V, FX1000V)

Install Crankcase Cover (FX921V, FX1000V)

Remove and Inspect Governor Shaft (FX921V, FX1000V)

Install Governor Shaft (FX921V, FX1000V)

Disassemble and Inspect Oil Pump (FX921V, FX1000V)

Assemble Oil Pump (FX921V, FX1000V)

Disassemble and Assemble Governor (FX921V, FX1000V)

Remove and Install Camshaft and Tappets (FX921V, FX1000V)

Inspect Camshaft and Tappets (FX921V, FX1000V)

Remove and Disassemble Piston and Connecting Rod (FX921V, FX1000V)

Inspect Piston (FX921V, FX1000V)

Inspect Connecting Rod (FX921V, FX1000V)

Assemble and Install Piston and Connecting Rod (FX921V, FX1000V)

Check Piston Ring End Gap (FX921V, FX1000V)

Remove and Install Crankshaft (FX921V, FX1000V)

Inspect Crankshaft (FX921V, FX1000V)

Replace Oil Seal (FX921V, FX1000V)

Deglaze Cylinder Bore (FX921V, FX1000V)

Resize Cylinder Bore (FX921V, FX1000V)

Analyze Crankshaft and Connecting Rod Wear (FX921V, FX1000V)

Remove and Install Starting Motor (FX921V, FX1000V)

Disassemble and Assemble Starting Motor (FX921V, FX1000V)

Inspect Starting Motor (FX921V, FX1000V)

Section 25: Engine Repair, Kohler EFI

Group 05: Repair

Summary of References

Essential or Recommended Tools

Service Equipment and Tools

Specifications

Remove Engine (EFI)

Install Engine (EFI)

Remove and Install Air Cleaner Element (EFI)

Remove and Install Air Cleaner Assembly (EFI)

Remove and Install Muffler (EFI)

Remove and Install Grass Screen (EFI)

Remove and Install Throttle Control Panel Assembly (EFI)

Remove and Install External Governor Controls (EFI)

Remove and Install Oil Cooler (EFI)

Remove and Install Oil Separator (EFI)

Remove Blower Housing and Outer Baffle (EFI)

Install Blower Housing and Outer Baffle (EFI)

Remove Inner Baffles and Breather Cover (EFI)

Install Inner Baffles and Breather Cover (EFI)

Remove Intake Manifold (EFI)

Install Intake Manifold (EFI)

Remove Lift Fuel Pump (EFI)

Install Lift Fuel Pump (EFI)

Remove and Install Fuel Pump Module (EFI)

Remove Fuel Injector (EFI)

Install Fuel Injector (EFI)

Remove and Install Throttle Body (EFI)

Remove and Install Throttle Position Sensor TPS (EFI)

Remove and Install Engine Control Unit ECU (EFI)

Remove and Install Oxygen Sensor (EFI)

Remove and Install Ignition Coil (EFI)

Remove and Install Oil Temperature Sensor (EFI)

Remove and Install Crankshaft Position Sensor (EFI)

Remove and Install Manifold Absolute Pressure (MAP) Sensor (EFI)

Remove and Install Intake Air Sensor (EFI)

Remove and Install Oil Sentry Switch (EFI)

Remove and Install Voltage Regulator/Rectifier (EFI)

Remove and Install Starting Motor (EFI)

Disassemble Starting Motor (EFI)

Starting Motor Armature (EFI)

Assemble Starting Motor (EFI)

Remove Valve Cover (EFI)

Install Valve Cover (EFI)

Remove Cylinder Head (EFI)

Install Cylinder Head (EFI)

Inspect Cylinder Head (EFI)

Remove and Install Rocker Arms (EFI)

Remove and Install Valves and Springs (EFI)

Inspect Valves (EFI)

Recondition Valve Seats (EFI)

Lap Valves (EFI)

Inspect Push Rods (EFI)

Inspect Valve Guides (EFI)

Inspect Hydraulic Valve Lifters (EFI)

Inspect Crankcase Breather Reed Valve (EFI)

Remove and Install Flywheel (EFI)

Remove and Install Stator (EFI)

Remove Oil Pan (EFI)

Install Oil Pan (EFI)

Remove and Install Oil Pan Crankshaft Seal (EFI)

Remove and Install Governor (EFI)

Remove Governor Cross Shaft (EFI)

Install Governor Cross Shaft (EFI)

Remove and Install Oil Pump (EFI)

Remove Camshaft (EFI)

Install Camshaft (EFI)

Inspect Cam Shaft (EFI)

Camshaft End Play (EFI)

Remove Piston (EFI)

Disassemble Piston (EFI)

Inspect Piston Pin (EFI)

Inspect Piston (EFI)

Assemble Piston (EFI)

Measure Piston Ring End Gap (EFI)

Piston Ring Side Clearance (EFI)

Measure Piston to Bore (EFI)

Install Piston (EFI)

Remove and Install Crankcase Crankshaft Oil Seal (EFI)

Inspect Block (EFI)

Deglaze Cylinder Bore (EFI)

Measure Crankshaft and Connecting Rod (EFI)

Section 30: Electrical Repair

Group 10: Component Location

Summary of References

Electrical Components (All Except EFI)

Instrument Cluster

Group 20: Wire Harness—Standard (Z910A, Z920A, Z925A, Z930A, Z950A) (SN -020000)

Summary of References

W1 Main Harness (SN -020000)

W1 Main Harness Legend (SN -020000)

W1 Main Harness Wire Codes (SN -020000)

W2 Engine Harness (SN -020000)

W4 Ignition Coil Harness (SN -020000)

W8 Headlight Wire Harness (SN -020000)

Group 30: Wire Harness—Standard (Z910A, Z920A, Z925A, Z930A, Z950A) (SN 020001- )

Summary of References

W1 Main Harness (SN 020001-)

W1 Main Harness Legend (SN 020001-)

W1 Main Harness Wire Codes (SN 020001-)

W2 Engine Harness (SN 020001-)

W4 Ignition Coil Harness (SN 020001-)

W8 Headlight Harness (SN 020001-)

Group 40: Wire Harness—EFI Only (Z925A) (SN 020001- )

Summary of References

W1 Main Harness (Z925A EFI)

W1 Main Harness Legend (Z925A EFI)

W1 Main Harness Wire Codes (Z925A EFI)

W2 Engine Harness (Z925A EFI)

W2 Engine Harness Wire Codes (Z925A EFI)

W3 Engine Harness Adapter (Z925A EFI)

W8 Headlight Harness (Z925A EFI)

ECM Connector Pinout

ECM Signal and Pinout Table

Group 50: Wire Harness—Convenience Package (Z930A, Z950A, Z960A, Z970A)

Summary of Reference

W1 Main Harness (Z930A, Z950A, Z960A, Z970A)

W1 Main Harness Legend (Z930A, Z950A, Z960A, Z970A)

W1 Main Harness Wire Codes (Z930A, Z950A, Z960A, Z970A)

W2 Engine Harness (Z930A, Z950A, Z960A, Z970A)

W4 Ignition Coil Harness (Z930A, Z950A, Z960A, Z970A)

W5 Fuel Shut Off Solenoid Harness (Z930A, Z950A, Z960A, Z970A)

W6 Lift Switch Harness (Z930A, Z950A, Z960A, Z970A)

W7 PTO Stop Switch Harness (Z930A, Z950A, Z960A, Z970A)

W8 Headlight Harness (Z930A, Z950A, Z960A, Z970A)

Section 40: Power Train Repair

Group 10: Component Location

Summary of References

Power Train Components

Tension Arm Components

Transaxle Components

Transaxle Components Legend

Brake System Components

Brake System Components Legend

Group 20: Repair

Summary of References

Specifications

Remove and Install Traction Drive Belt

Remove and Install Steering Linkage Assembly

Remove and Install Traction Drive Belt Tension Arm Assembly

Remove and Install Control Damper

Remove and Install Both Transaxles

Remove and Install Right or Left Transaxle

Remove and Install Fan Assembly

Disassemble Transaxle

Assemble Transaxle

Section 50: Attachments Repair

Group 10: Component Location

Summary of References

48 Inch Deck Components

54 Inch Deck Components

54 Inch Deck M.O.D. Components

60 Inch Deck Components

60 Inch Deck M.O.D. Components

72 Inch Deck Components

Spindles and Sheaves Components

Spindles and Sheaves Components Legend

Idlers and Sheaves Components

Idlers and Sheaves Components Legend

Anti-Scalp Wheel Components

Mulch-On-Demand Deck Linkage Components

Mulch-On-Demand Deck Linkage Components Legend

Deck Lift With Pedal Components

Mower Deck Lift Assist Components

Mower Deck Lift Linkage Components

Group 20: Repair

Summary of References

Specifications

Remove and Install Mower Deck

Remove and Install Mower Belt Shields

Remove Mower Drive Belt

Install Mower Drive Belt

Check and Replace Mower Blades

Sharpen and Balance Blades

Remove and Install Spindle Assembly

Disassemble Spindle

Spindle Cross Section

Assemble Spindle

Remove and Install PTO Clutch

Group 30: Repair (Optional MCS)

Summary of References

Specifications

Remove MCS Drive Sheave and Spacer

Install MCS Drive Sheave and Spacer

Remove Primary Drive Belt

Install Primary Drive Belt

Remove Secondary Drive Belt

Install Secondary Drive Belt

Disassemble Blower

Assemble Blower

Section 60: Miscellaneous Repair

Group 10: Wheels

Summary of References

Specifications

Remove and Install Front Caster Wheels

Repair Caster Wheel

Remove and Install Caster Wheel Yoke

Adjust Front Caster Shimmy

Remove and Install Rear Drive Wheels

Group 20: Operators Station

Summary of References

Specifications

Remove and Install Seat Platform

Repair Seat Platform

Remove and Install Suspended Seat

Repair Suspended Seat Platform

Remove and Install Control Console Cover

Remove and Install Control Console Bracket

Group 30: Roll Over Protective Structure (ROPS)

Summary of References

Specifications

Remove and Install Roll Over Protective Structure (ROPS)

Group 40: Miscellaneous

Summary of References

Specifications

Remove and Install Height-of-Cut (HOC) Assembly

Remove and Install Fuel Tank

Remove and Install Grille

Section 220: Engine Diagnosis, Tests, and Adjustments, Kawasaki

Group 05: Component Location

Summary of References

Engine Block Components (FX651V, FX730V)

Engine Block Components (FX751V, FX801V, FX850V)

Engine Block Components (FX921V, FX1000V)

Carburetor Components (FX651V, FX730V)

Carburetor Components (FX751V, FX801V, FX850V)

Carburetor Components (FX921V, FX1000V)

Valves and Governor Components (FX651V, FX730V)

Valves and Governor Components (FX751V, FX801V, FX850V)

Valves and Piston Components (FX921V, FX1000V)

Group 10: Theory of Operation

Summary of References

Engine Oil Flow Chart

Lubrication System Operation

Governor Operation

Crankcase Breather Operation

Automatic Compression Release (ACR) Operation

Cooling System Operation

Carburetor Operation

Ignition Operation

Group 15: Diagnosis

Diagnose Engine Does Not Crank

Diagnose Engine Cranks But Will Not Start

Diagnose Engine Hard to Start

Diagnose Engine Runs Erratically

Diagnose Engine Dies After Running

Diagnose Engine Malfunctions At Low RPM

Diagnose Engine Malfunctions At High RPM

Diagnose Excessive Oil Consumption

Diagnose Low Oil Pressure

Diagnose Engine Overheats

Diagnose Excessive Fuel Consumption

Diagnose Contamination In Crankcase

Diagnose Starting Motor

Group 20: Tests and Adjustments

Summary of References

Service Equipment and Tools

Specifications

Check and Adjust Choke Cable (FX651V, FX730V)

Check and Adjust Choke Cable (FX751V, FX801V, FX850V)

Check and Adjust Choke Cable (FX921V, FX1000V)

Check and Adjust Throttle Cable (FX651V, FX730V)

Check and Adjust Throttle Cable (FX751V, FX801V, FX850V)

Check and Adjust Throttle Cable (FX921V, FX1000V)

Adjust Static Governor Linkage (FX651V, FX730V)

Remove, Install, and Adjust Static Governor Linkage (FX751V, FX801V, FX850V)

Adjust Static Governor Linkage (FX921V, FX1000V)

Adjust Slow Idle Speed (FX651V, FX730V)

Adjust Slow Idle Speed (FX751V, FX801V, FX850V)

Adjust Slow Idle Speed (FX921V, FX1000V)

Adjust Fast Idle Speed (FX651V, FX730V)

Adjust Fast Idle Speed (FX751V, FX801V, FX850V)

Adjust Fast Idle Speed (FX921V, FX1000V)

Check and Adjust Fan Screen

Check and Adjust Valve Clearance (FX651V, FX730V, FX751V, FX801V, FX850V)

Check and Adjust Valve Clearance (FX921V, FX1000V)

Check and Adjust Ignition Coil Air Gap

Test Cylinder Compression

Test Cylinder Leak-Down

Test Engine Oil Pressure

Test Fuel Pump

Crankcase Vacuum Test

Adjust Spark Plug Gap

Section 225: Engine Diagnosis, Tests, and Adjustments, Kohler

Group 10: Theory of Operation

Summary of References

General Engine Operation ECV740 and ECV749

Air Intake System

Cooling System

Lubrication System

Crankcase Breather System

Engine Control Module (ECM)

Fuel System ECV740 and ECV749

Throttle Body ECV740 and ECV749

Governor System

Ignition System ECV740 and ECV749

Group 15: Diagnosis

Engine Troubleshooting

Group 20: Tests and Adjustments

Summary of References

Service Equipment and Tools

Specifications

Adjust Governor

Adjust Low Idle Speed

Adjust Spark Plug Gap

Test Cylinder Leak-Down

Test Fuel Pump, Pulse

Test Fuel Pump, Module

Adjust Crankshaft Position Sensor Air Gap

Test Fuel Injector and Wires

Test Starter Solenoid

Section 230: Electrical Diagnosis, Tests, and Adjustments

Group 10: Theory of Operation

Summary of References

Charging Circuit Operation

Cranking Circuit Operation

Run Circuit Operation

PTO Clutch Circuit Operation

Engine Oil Pressure and Hour Meter Circuit Operation

Lift Circuit Operation (Z950A, Z960A, Z970A)

Headlight Circuit Operation

Group 15: Theory of Operation (EFI)

Summary of References

Control Units (VCU and ECU)

Engine Control Module and General Sensor Circuit Operation

On Board Diagnostics

Malfunction Indicator Light (MIL) Operation

Crankshaft Position Sensor Operation

Throttle Position Sensor (TPS) Operation

Oil Temperature Sensor Operation

Intake Air Temperature Sensor Operation

Oxygen Sensor Operation

Manifold Absolute Pressure (MAP) Sensor Operation

Fuel Injector Operation

Ignition Coil Operation

Fuel Pump Operation

Group 20: Diagnosis

Electronic Control Unit (ECU) Diagnostic Codes

Electronic Control Unit (ECU) Switch Input Codes

Diagnose Charging Circuit

Diagnose Cranking Circuit

Diagnose Run Circuit

Diagnose PTO Clutch Circuit

Diagnose Engine Oil Pressure Circuit

Diagnose Hour Meter Circuit

Diagnose Lift Circuit

Diagnose Headlight Circuit

Group 25: Engine Diagnostic Test Codes (EFI)

Engine Control Module (ECM) Diagnostic Test Codes

0031 - Diagnostic Test Code

0032 - Diagnostic Test Code

0107 - Diagnostic Test Code

0108 - Diagnostic Test Code

0112 - Diagnostic Test Code

0113 - Diagnostic Test Code

0117 - Diagnostic Test Code

0118 - Diagnostic Test Code

0122 - Diagnostic Test Code

0123 - Diagnostic Test Code

0131 - Diagnostic Test Code

0132 - Diagnostic Test Code

0171 - Diagnostic Test Code

0172 - Diagnostic Test Code

0174 - Diagnostic Test Code

0201 - Diagnostic Test Code

0202 - Diagnostic Test Code

0230 - Diagnostic Test Code

0232 - Diagnostic Test Code

0336 - Diagnostic Test Code

0337 - Diagnostic Test Code

0351 - Diagnostic Test Code

0352 - Diagnostic Test Code

0562 - Diagnostic Test Code

0563 - Diagnostic Test Code

61 - Diagnostic Test Code

Group 30: Tests and Adjustments

Summary of References

Essential or Recommended Tools

Service Equipment and Tools

Specifications

Ground Circuit Test

Battery Voltage and Specific Gravity Tests

Battery Charge

Battery Load Test

Test Regulated Voltage Output

Test Unregulated Voltage Output

Test Stator

Test Starting Motor Solenoid

Test Starting Motor Amperage Draw

Spark Test

Fuse Test

Diode Test

Key Switch Test

Park Brake Switch Test

Seat Switch Test

Lift Switch Test

Test Headlight Switch

PTO Switch Test

PTO Stop Switch Test

PTO Clutch Test

Relay Test

Ignition Coil Test (Except EFI)

Fuel Shutoff Solenoid Test

Oil Pressure Switch Test

Group 35: Tests and Adjustments (EFI)

Summary of References

Specifications

EFI Crankshaft Position Sensor Test

EFI Throttle Position Sensor Test

EFI Engine Oil Temperature Sensor Test

EFI Intake Air Temperature Sensor Test

EFI Manifold Absolute Pressure Sensor Test

EFI Oxygen Sensor Test

EFI Fuel Injector Electrical Test

EFI Ignition Coil Test

EFI Fuel Pump Module Electrical Test

EFI ECU Diagnostic Code Retrieval

EFI ECU Reset and TPS Learn Procedures

Group 40: Wiring Schematics

Schematic Legend, Z910A, Z920A, Z925A, and Z930A (SN -020000)

Main Schematic, Z910A, Z920A, Z925A, and Z930A (SN -020000)

Schematic Legend, Z950A (SN -020000), Z960A, Z970A

Main Schematic, Z950A (SN -020000), Z960A and Z970A

Schematic Legend, Z910A, Z920A, Z925A (Except EFI), Z930A, Z950A (SN 020001-)

Main Schematic, Z910A, Z920A, Z925A (Except EFI), Z930A and Z950A (SN 020001-)

Schematic Legend, Z925A (EFI Only), (SN 020001-)

Main Schematic, Z925A (EFI Only) (SN 020001-)

Engine Wiring (W2) - Z925A EFI

Group 50: Connector Information

WEATHER PACK™ Connector - Removal

WEATHER PACK™ Connector - Replacement

WEATHER PACK™ Connector Terminal

METRI-PACK™ Connector

METRI-PACK™ Terminal - Replacement

Section 240: Power Train Diagnosis, Tests, and Adjustments

Group 10: Theory of Operation

Summary of References

Transaxle Operation

Brake System Operation

Group 20: Diagnosis

Diagnose System Fails to Build Pressure

Diagnose Machine Will Not Drive Straight

Diagnose Machine Will Not Reach Maximum Speed

Diagnose Machine Will Not Move When Controls Are Engaged

Diagnose Jerky or Erratic Operation

Diagnose Sluggish Operation Under Load

Diagnose Excessive Noise

Group 30: Tests and Adjustments

Summary of References

Bleed Hydrostatic System

Adjust Tracking and Speed

Check and Adjust Neutral Creep

Check and Align Motion Control Levers

Check and Adjust Park Brake

Section 250: Attachments Diagnosis, Tests, and Adjustments

Group 10: Theory of Operation

Summary of References

Mulch On Demand (M.O.D.) Operation

PTO Clutch Operation

Group 20: Diagnosis

Diagnose Mower System

Diagnose Mower System (Engine Running)

Diagnose Mower Deck Will Not Run

Diagnose Mower Deck Vibrates

Diagnose Mower Cuts Unevenly

Diagnose Poor Mulching (M.O.D. Deck)

Diagnose Excessive Noise

Diagnose PTO Clutch

Diagnose Clutch Slips

Diagnose Noisy Clutch or Vibration

Group 30: Tests and Adjustments

Summary of References

Service Equipment and Tools

Specifications

Adjust Mower Deck Cutting Height

Adjust and Level Mower Deck

Adjust Mower Deck Anti-Scalp Wheels

Adjust Deck Lift Spring Tension

Adjust Mulch-On-Demand and Mower Deck Linkage

Check and Adjust PTO Air Gap

Adjust MCS Blower Primary Belt Tension

Adjust MCS Blower Secondary Belt Tension

Adjust Dump-From-Seat Hopper Linkage

Break-In PTO Clutch

Section 299: Service Tools and Kits

Group 10: Service Tools and Kits

Service Equipment and Tools

Kits