Husqvarna Z400 Series Manuals

Husqvarna Z400 Series Manuals

Manuals and User Guides for Husqvarna Z400 Series. We have 1 Husqvarna Z400 Series manual available for free PDF download: Service Manual

Husqvarna Z400 Series Service Manual

Husqvarna Z400 Series Service Manual (162 pages)

Zero-Turn Mower

Brand: Husqvarna | Category: Lawn Mower | Size: 46.87 MB

Table of Contents

Table of Contents
3
Foreword

9
- Table of Contents
  9
- General
  9
- California Proposition 65 Warning
  9
- How to Use this Manual
  9
- Required Tools and Materials
  9
- Quick Reference Specifications
  9
- Warnings and Cautions
  9
- Note and Important
  9
- Troubleshooting
  9
Safety

11
Chapter 1

12
- Introduction
  12
- Prepare for the Job
  12
- Safety Notices
  12
- Safety Label Locations
  13
- Inspect Safety Labels
  15
- Keep Work Area Clean
  16
- Keep Work Area Well Ventilated
  16
- Use Proper Eye and Face Protection
  16
- Store Volatile and Hazardous Materials Safely
  16
- Electrical Component Safety
  16
- Park Equipment Safely
  17
- Lifting Equipment Safety
  17
- Support Equipment Securely
  17
- Use Compressed Air and Air Tools Safely
  18
- Service Tires Safely
  18
- Dispose of Waste Materials Safely
  18
- Safety Guidelines
  19
  - General Instructions and Maintenance
    19
  - General Operation Guidelines
    20
  - Safe Handling of Gasoline
    21
  - Rollover Protection System
    22
  - Spark Arrestor
    22
  - Transport
    23
  - Towing
    23
  - Prepare Equipment for Service
    23
Specifications

25
Chapter 2 Quick Reference

28
- Engine
  28
- Drive System
  29
- Mower Deck
  29
- Weights and Dimensions
  29
- Special Torques
  30
- Hex Head Cap Screw Torques
  30
  - U.S. Standard
    30
  - Metric Standard
    31
Maintenance

33
- Maintenance Schedule
  34
- Tire Wear and Replacement Guideline
  35
- Tire Pressure
  35
- Belt Wear and Replacement Guideline
  35
- Lubrication
  36
Chapter 3 Schedule

36
- General Notes
  36
- Engine Oil and Filter Change
  36
- Lubricate Front Wheel Bearings
  37
- Lubricate Caster Bearings
  37
- Lubricate Mower Deck Mandrels
  37
- Check and Fill Transmission Fluid
  38
- Change Transmission Oil and Filters
  38
- Purging Procedure
  39
Adjustments

41
- Install and Adjust ROPS
  42
- Adjust Mower Deck
  42
Chapter 4

42
- Side-To-Side (Level) Adjustment
  42
- Front-To-Back (Rake) Adjustment
  43
- Adjust Mower Deck Anti-Scalp Wheels
  44
- Check and Adjust Throttle Cable
  44
- Check and Adjust Choke Cable
  45
- Adjust Controls for Neutral
  45
- Adjust the Return to Neutral for Controls
  46
- Adjusting Tracking
  46
- Adjust Deck Belt Tension
  47
  - Z448
    47
  - Z454
    48
  - Z454X and Z460X
    49
- Adjust Ground Drive Belt Tension
  50
- Adjust Brakes
  50
- Setting Mower Deck Height
  51
  - Cutting Height
    51
  - Transportation Height
    51
- Adjusting Lift Assist Spring
  51
- Check Power Take-Off (PTO) Air Gap
  51
Chapter 5

55
- Removal
  55
- Installation
  55
- Remove and Install Mower Deck Belt
  56
  - Removal
    56
  - Installation
    56
- Remove and Install Mandrels
  57
  - Removal
    57
  - Installation
    57
- Remove and Install Deck Height Box
  57
- Remove and Install Mower Deck
  58
  - Removal
    58
  - Installation
    58
- Remove and Install Throttle Cable
  59
  - Removal
    59
  - Installation
    59
- Remove and Install Choke Cable
  59
  - Installation
    60
- Remove and Install Fuel Tank
  60
  - Removal
    60
  - Installation
    61
- Remove and Install Engine
  61
  - Removal
    61
  - Installation
    62
- Remove and Install Front Vertical Caster Bearings
  63
  - Removal
    63
  - Installation
    63
- Remove and Install Ground Drive Belt
  64
  - Removal
    64
  - Installation
    64
- Remove and Install Power Take-Off (PTO) Clutch and Pulleys
  64
- Remove and Install Transmission
  65
  - Removal
    65
  - Installation
    65
- Remove and Install Brake Cables
  66
  - Removal
    66
  - Installation
    66
- Remove and Install Brake Caliper
  66
- Remove and Install Battery
  67
  - Removal
    67
  - Installation
    67
- Replace Fuses and Relays
  67
- Remove and Install Control Lever Assembly
  68
  - Removal
    68
  - Installation
    69
- Remove and Install Seat and Support Assembly
  69
  - Removal
    69
- Replace Parking Brake Switches
  69
- Engine Does Not Crank
  70
- Engine Cranks but will Not Start
  70
- Engine Hard to Start
  71
- Engine Runs Erratically
  72
- Engine dies after Running
  72
- Engine Malfunctions at Low RPM
  73
- Engine Malfunctions at High RPM
  73
- Excessive Oil Consumption
  74
- Low Oil Pressure
  74
- Engine Overheats
  74
- Excessive Fuel Consumption
  74
- Contamination of Crankcase
  74
Repair

55
- Sharpen Mower Blades
  55
- Balance Mower Blades
  55
- Remove and Install Mower Blades
  55
Electrical

75
Chapter 6

77
- Main Schematic (Continued)
  77
- Main Schematic Legend
  79
- Electrical Wiring Harness Component Location
  80
  - Electrical Wiring Harness Component Location Legend
    81
- Main Wiring Harness
  82
- Battery Positive Harness
  85
  - Battery Positive Harness Table
    85
  - Battery Positive Harness Legend
    85
- Battery Ground Harness
  85
  - Battery Ground Harness Table
    85
  - Battery Ground Harness Legend
    85
- Right Console Wiring Harness
  86
  - Right Console Wiring Harness Table
    87
  - Right Console Wiring Harness Legend
    87
- Left Console Wiring Harness
  87
  - Left Console Wiring Harness Table
    87
  - Left Console Wiring Harness Legend
    87
- Right Parking Brake Wiring Harness
  88
  - Right Parking Brake Wiring Harness Table
    88
  - Right Parking Brake Wiring Harness Legend
    88
- Left Parking Brake Wiring Harness
  88
  - Left Parking Brake Wiring Harness Table
    88
  - Left Parking Brake Wiring Harness Legend
    88
- Power Take-Off (PTO) Clutch Harness
  89
  - PTO Clutch Harness Table
    89
  - PTO Clutch Harness Legend
    89
- Engine Wiring Harness
  89
  - Engine Wiring Harness Table
    89
  - Engine Wiring Harness Legend
    89
- Battery, Charging, and Starting Systems Tests
  90
  - Open-Circuit Battery Voltage Check
    90
  - Battery Load Test
    90
  - Charging System Check
    91
- Common Circuit Tests
  92
  - Open Circuit Test
    92
  - Short Circuit Test
    92
  - Voltage Test
    92
- Ground Circuit Tests
  92
- Spark Test
  93
- Fuse Test
  93
- Diode Test
  93
- Relay Test
  94
- Key Switch Test
  95
- Seat Switch Test
  96
- Power Take-Off (PTO) Switch Test
  97
  - Continuity Check
    97
  - Check for Power
    98
- Power Take-Off (PTO) Clutch Test
  99
  - Check Coil Resistance
    99
  - Check for Power
    99
  - Check Ground Circuit
    99
  - Power Take-Off (PTO) Switch Check
    99
- Fuel Shutoff Solenoid Test
  100
- Starter Motor Solenoid Test
  101
- Stator Output Test
  101
- Diagnose Power Circuit
  102
- Diagnose Cranking Circuit
  103
- Diagnose Run Circuit
  104
- Diagnose Charging Circuit
  105
- Diagnose Power Take-Off (PTO) Circuit
  105
- Diagnose Hour Meter Circuit
  106
- Diagnose Starter Motor
  106
- Power Circuit Operation
  107
- Cranking Circuit Operation
  110
  - Cranking Circuit Operation Legend
    111
- Run Circuit Operation
  112
  - Run Circuit Operation (Continued)
    113
  - Run Circuit Operation Legend
    114
- Charging Circuit Operation
  114
- Power Take-Off (PTO) Circuit Operation
  115
- Hour Meter Circuit Operation
  116
Chapter 7

118
Exploded Views

125
- Frame Assembly
  126
Chapter 8 Frame Assembly Legend

127
- Engine Mounting, Guard, and Muffler
  128
  - Engine Mounting, Guard, and Muffler-Z448 and Z454
    128
  - Engine Mounting, Guard, and Muffler-Z454X, Z460, and Z460X
    129
- Steering Assembly
  130
  - Steering Assembly Legend
    131
- Fuel System
  132
- Ignition System
  133
- Brake Assembly
  134
- Wheels and Tires
  135
- Hydrostatic Assembly
  136
  - Hydrostatic Assembly-Z448, Z454, and Z460
    136
    
    Hydrostatic Assembly-Z448, Z454, and Z460 Legend
    137
  - Hydrostatic Assembly-Z454X and X460X
    138
    
    Hydrostatic Assembly-Z454X and X460X Legend
    139
- Deck Lift
  140
  - Deck Lift-Z448 and Z454
    140
  - Deck Lift-Z454X, Z460, and Z460X
    141
- Mower Deck
  142
  - Mower Deck-Z448
    142
    
    Mower Deck-Z448 Legend
    143
  - Mower Deck-Z454
    144
    
    Mower Deck-Z454 Legend
    145
  - Mower Deck-Z454X
    146
    
    Mower Deck-Z454X Legend
    147
  - Mower Deck-Z460 and Z460X
    148
    
    Mower Deck-Z460 and Z460X Legend
    149
- Seat Assembly
  150
  - Seat Assembly-Z448, Z454, and Z460
    150
  - Seat Assembly-Z454X and Z460X
    151

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