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BigDog Series X User Manual

BigDog Series X
41 pages
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108936BD_1010
BigDog™ Mowers
Series X
General Service Manual
•••••
P.O. Box 7000
•••
Hesston, Kansas
67062-2097

Questions and Answers:

BigDog Series X Specifications

General IconGeneral
BrandBigDog
ModelSeries X
CategoryLawn Mower
LanguageEnglish

Summary

Safety

Safe Servicing Practices

Provides guidance on safe practices for handling and servicing the equipment.

Pre-Operation Precautions

Outlines essential precautions to take before operating the machine.

Fuel Handling Precautions

Details safe procedures for handling flammable fuels and preventing fires.

Machine Operation Understanding

Emphasizes the importance of qualified personnel and reading manuals for operation.

Protective Clothing Recommendations

Advises on appropriate attire and personal protective equipment for safe operation.

General Information

Service Program Overview

Describes the purpose and components of the BigDog™ Mowers service package.

Maintenance Introduction

Emphasizes the importance of regular maintenance for preventing downtime and repairs.

Warranty Information

Outlines warranty repair procedures and the impact of unauthorized service.

Torque Specifications

Standard Torque Values

Lists standard torque values for various fastener sizes in FT-LBS and Nm.

Special Torque Specifications

Provides specific torque values for critical components like lug nuts and blade bolts.

Power Unit Maintenance

Steering Adjustments

Details how to adjust steering control levers for neutral position and straight driving.

Steering Control Lever Neutral Adjustment

Explains the process for adjusting steering control linkage to prevent mower creep.

Control Lever Stop Adjustment

Describes how to adjust stops to prevent pump bottoming and ensure straight driving.

Steering Stop Adjustment for Straight Driving

Guides on adjusting stops to achieve straight operation when levers are against stops.

Steering Damper Adjustment

Details the procedure for setting steering dampers to return control levers to neutral.

Steering Control Lever Comfort Adjustment

Explains how to adjust steering control levers for operator comfort and alignment.

Park Brake Adjustment

Provides steps for adjusting the park brake mechanism for proper engagement.

Power Unit Belt Inspection and Service

Covers inspection and service of belts on the power unit.

Hydraulic Pump Belt Adjustment

Explains that the hydraulic pump belt tension is constant and does not require adjustment.

Hydraulic System Fluid and Service

Advises on using the correct fluid type and notes that dirt is the primary enemy of the system.

Hydraulic Pump Flow Test

Details the procedure for testing the hydraulic pump's performance using a flow test kit.

Test Kit Installation Procedures

Outlines steps for installing and using the Bi-Directional Flow Test Kit.

Hydraulic Pump Testing Procedures

Describes how to conduct the flow test to determine pump acceptability.

PK (12) Pump Test Example

Provides an example of pressure and flow readings for testing a PK (12) pump.

Hydrostatic System Purging Procedures

Explains how to purge air from the hydrostatic system for optimal efficiency.

Tire Pressure and Maintenance

Discusses the importance of tire pressure for level mowing and approves only pneumatic tires.

Engine Maintenance

Engine Oil and Filter Change

Provides instructions for safely changing engine oil and filter, including hot engine precautions.

Draining Engine Oil with Drain Valve

Details the step-by-step process for draining engine oil using the provided valve and hose.

Engine Air Filter Service

Outlines procedures for inspecting and replacing the engine air filter element.

Engine RPM Settings

Specifies the correct high idle speeds for Briggs & Stratton, Kawasaki, and Kohler engines.

Deck Adjustments

Deck Leveling Procedure

Provides a detailed, multi-step guide for leveling the mower deck for optimal cutting.

Blades

Mower Blade Maintenance

Emphasizes blade sharpness and condition for power efficiency and turf quality.

Mower Blade Removal and Installation

Details the procedure for removing and installing mower blades, including torque specifications.

Deck Belt Inspection and Service

Covers inspection and service of belts related to the mower deck.

Deck Belt Adjustment

Explains how to adjust the deck belt tension using the idler spring and chain.

52" & 60" Deck Belt Routing and Tensioning

Provides specific routing and tensioning notes for 52" and 60" decks.

Electrical Schematics

Briggs & Stratton Electrical Schematic

Diagrams the electrical system for Briggs & Stratton engine models.

Kawasaki Electrical Schematic

Diagrams the electrical system for Kawasaki engine models.

Kohler Electrical Schematic

Diagrams the electrical system for Kohler engine models.

Maintenance Schedule

Maintenance Schedule Notes

Provides important notes and clarifications for the maintenance schedule.

Maintenance Schedule References

Lists references for engine service information and maintenance cycles.

Maintenance Locator Chart

Maintenance Locator Chart - View 1

Identifies key maintenance components on the mower's upper and rear sections.

Maintenance Locator Chart - View 2

Identifies key maintenance components on the mower's front and lower sections.

Maintenance Locator Chart - View 3

Identifies deck-specific maintenance points like pusher arms, belts, and spindles.

Troubleshooting Guide

Troubleshooting: Starting System

Addresses issues with the starting motor and initial engine startup failures.

Troubleshooting: Engine Performance Problems

Covers engine misfiring, erratic running, loss of power, and uneven operation.

Troubleshooting: Hydraulic System Issues

Diagnoses issues like overheating, creeping, and directional control problems in the hydraulic system.

Troubleshooting: Operational & Cutting Performance

Addresses vibration, blade rotation, uneven cutting, and jerky operation.

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