John Deere Z910A Z920A Z925A Z930A Z950A Z960A Z970A ZTrak Mower Technical Manual TM109119 PDF

Contents
General Information
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
Dispose of Waste Properly
Protect Against High Pressure Spray
Live With Safety
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
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
Machine Specifications
Serial Number Locations
Engine Repair, Kawasaki
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
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)
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)
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)
Engine Repair, Kohler EFI
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 Electronic Control Module ECM (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
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)
Electrical Repair
Component Location
Summary of References
Electrical Components (All Except EFI)
Instrument Cluster
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)
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-)
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
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)
Power Train Repair
Component Location
Summary of References
Power Train Components
Tension Arm Components
Transaxle Components
Transaxle Components Legend
Brake System Components
Brake System Components Legend
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
Attachments Repair
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
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
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
Miscellaneous Repair
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
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
Roll Over Protective Structure (ROPS)
Summary of References
Specifications
Remove and Install Roll Over Protective Structure (ROPS)
Miscellaneous
Summary of References
Specifications
Remove and Install Height-of-Cut (HOC) Assembly
Remove and Install Fuel Tank
Remove and Install Grille
Engine Diagnosis, Tests, and Adjustments, Kawasaki
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)
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
Diagnosis
Diagnose Engine Does Not Crank
Diagnose Engine Does Not Crank
Diagnose Engine Cranks But Will Not Start
Diagnose Engine Cranks But Will Not Start
Diagnose Engine Hard to Start
Diagnose Engine Hard to Start
Diagnose Engine Runs Erratically
Diagnose Engine Runs Erratically
Diagnose Engine Dies After Running
Diagnose Engine Dies After Running
Diagnose Engine Malfunctions At Low RPM
Diagnose Engine Malfunctions At Low RPM
Diagnose Engine Malfunctions At High RPM
Diagnose Engine Malfunctions At High RPM
Diagnose Excessive Oil Consumption
Diagnose Excessive Oil Consumption
Diagnose Low Oil Pressure
Diagnose Low Oil Pressure
Diagnose Engine Overheats
Diagnose Engine Overheats
Diagnose Excessive Fuel Consumption
Diagnose Excessive Fuel Consumption
Diagnose Contamination In Crankcase
Diagnose Contamination In Crankcase
Diagnose Starting Motor
Starting Motor Does Not Rotate
Starting Motor Rotates Slowly
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)
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
Engine Diagnosis, Tests, and Adjustments, Kohler
Theory of Operation
Summary of References
General Engine Operation
Air Intake System
Cooling System
Lubrication System
Crankcase Breather System
Engine Control Module (ECM)
Fuel System
Throttle Body
Governor System
Ignition System
Diagnosis
Engine Troubleshooting
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
Electrical Diagnosis, Tests, and Adjustments
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
Theory of Operation (EFI)
Summary of References
Control Units (ECU and ECM)
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
Diagnosis
Electronic Control Unit (ECU) Diagnostic Codes
Electronic Control Unit (ECU) Switch Input Codes
Diagnose Charging Circuit
Procedure A
Diagnose Cranking Circuit
Procedure A
Diagnose Run Circuit
Procedure A – Run Circuit
Procedure B – Ignition Shutoff Circuit (Except EFI)
Diagnose PTO Clutch Circuit
Procdeure A
Diagnose Engine Oil Pressure Circuit
Procedure A
Diagnose Hour Meter Circuit
Procedure A
Diagnose Lift Circuit
Procedure A
Diagnose Headlight Circuit
Procedure A
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
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
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 ECM Diagnostic Code Retrieval
EFI ECM Reset and TPS Learn Procedures
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
Connector Information
WEATHER PACK™ Connector – Removal
WEATHER PACK™ Connector – Replacement
WEATHER PACK™ Connector Terminal
METRI-PACK™ Connector
METRI-PACK™ Terminal – Replacement
Power Train Diagnosis, Tests, and Adjustments
Theory of Operation
Summary of References
Transaxle Operation
Brake System Operation
Diagnosis
Diagnose System Fails to Build Pressure
Diagnose System Fails to Build Pressure
Diagnose Machine Will Not Drive Straight
Diagnose Machine Will Not Drive Straight
Diagnose Machine Will Not Reach Maximum Speed
Diagnose Machine Will Not Reach Maximum Speed
Diagnose Machine Will Not Move When Controls Are Engaged
Diagnose Machine Will Not Move When Controls Are Engaged
Diagnose Jerky or Erratic Operation
Diagnose Jerky or Erratic Operation
Diagnose Sluggish Operation Under Load
Diagnose Sluggish Operation Under Load
Diagnose Excessive Noise
Diagnose Excessive Noise
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
Attachments Diagnosis, Tests, and Adjustments
Theory of Operation
Summary of References
Mulch On Demand (M.O.D.) Operation
PTO Clutch Operation
Diagnosis
Diagnose Mower System
Diagnose Mower System
Diagnose Mower System (Engine Running)
Diagnose Mower System (Engine Running)
Diagnose Mower Deck Will Not Run
Diagnose Mower Deck Will Not Run
Diagnose Mower Deck Vibrates
Diagnose Mower Deck Vibrates
Diagnose Mower Cuts Unevenly
Diagnose Mower Cuts Unevenly
Diagnose Poor Mulching (M.O.D. Deck)
Diagnose Poor Mulching (M.O.D. Deck)
Diagnose Excessive Noise
Diagnose Excessive Noise
Diagnose PTO Clutch
Diagnose PTO Clutch
Diagnose Clutch Slips
Diagnose Clutch Slips
Diagnose Noisy Clutch or Vibration
Diagnose Noisy Clutch or Vibration
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
Service Tools and Kits
Service Tools and Kits
Essential or Recommended Tools
Kits
Page Number
Section 10
Group 05
Group 10
Group 15
Group 20
Section 20
Group 05
Group 10
Group 15
Group 25
Section 25
Group 05
Section 30
Group 10
Group 20
Group 30
Group 40
Group 50
Section 40
Group 10
Group 20
Section 50
Group 10
Group 20
Group 30
Section 60
Group 10
Group 20
Group 30
Group 40
Section 220
Group 05
Group 10
Group 15
Group 20
Section 225
Group 10
Group 15
Group 20
Section 230
Group 10
Group 15
Group 20
Group 25
Group 30
Group 35
Group 40
Group 50
Section 240
Group 10
Group 20
Group 30
Section 250
Group 10
Group 20
Group 30
Section 299
Group 10