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Bigdog Mower Co. ALPHA MPX User Manual

Bigdog Mower Co. ALPHA MPX
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125277 REV A
BIGDOG
®
MOWER CO. ALPHA
®
MPX
General Service Manual
200 South Ridge Road
Hesston, Kansas
67062
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Bigdog Mower Co. ALPHA MPX Specifications

General IconGeneral
BrandBigdog Mower Co.
ModelALPHA MPX
CategoryLawn Mower
LanguageEnglish

Summary

GENERAL INFORMATION

BigDog® Service Program

Overview of the service package for BigDog Alpha MPX mowers.

Maintenance Introduction

Importance of regular maintenance for preventing downtime and premature failure.

Warranty Information

Details on warranty repair procedures and authorized dealers.

SAFETY

General Safety Precautions

Essential safety guidelines for operating and servicing the mower, including warnings.

Fuel Handling and Battery Safety

Safe practices for handling fuel, battery hazards, and emergency preparedness.

Operational and Maintenance Safety

Safety measures during operation, starting, and maintenance procedures.

TORQUE SPECIFICATIONS

Standard Torques

Standard torque values for common fasteners used in the mower.

Special Torques

Specific torque values for critical components like wheels and blades.

POWER UNIT MAINTENANCE

Steering System Adjustments

Procedures for adjusting steering control levers and the steering damper.

Park Brake Spring Adjustment

Steps to adjust the park brake spring for correct engagement.

Transaxle Drive Belt Maintenance

Inspection, adjustment, and replacement of the transaxle drive belt.

Hydraulic System Maintenance

Procedures for maintaining the hydraulic system, including fluid changes.

Hydrostatic System Purging

Critical steps to purge air from the hydrostatic drive system after maintenance.

Tire Information

Recommended tire pressures and approved tire types for optimal mowing.

ENGINE MAINTENANCE

General Engine Maintenance

Basic engine maintenance referencing the owner's manual.

Engine Oil and Filter Service

Procedures for changing engine oil and oil filter.

Fuel Evaporation System Filter

Maintenance and replacement schedule for the fuel evaporation filter.

Engine RPM Settings

Information on factory engine RPM settings and adjustments.

DECK ADJUSTMENTS

Deck Leveling Procedure

Step-by-step guide for ensuring the mower deck is level.

Mower Blade Maintenance

Inspection, sharpening, and balancing of mower blades.

Mower Blade Replacement

Safe procedures for removing and installing mower blades.

Deck Belt Inspection

Guidelines for inspecting the deck drive belt for wear and damage.

Deck Belt Replacement

Detailed procedure for replacing the mower deck drive belt.

ELECTRICAL SYSTEM

Electrical Schematic Diagram

Visual representation of the mower's electrical system and wiring.

Light Harness Schematic

Schematic diagram illustrating the light harness connections.

MAINTENANCE SCHEDULE

Routine Maintenance Tasks

Schedule of weekly and 40-hour maintenance tasks.

Periodic Maintenance Tasks

Schedule of 100-hour and annual maintenance tasks.

Maintenance Component Locator Chart

Chart identifying key maintenance components on the mower.

TROUBLESHOOTING

Engine Starting and Running Issues

Diagnosing and resolving problems with engine starting, misfiring, and running.

Operational Performance Problems

Troubleshooting issues related to power loss, jerky operation, and mower behavior.

Cutting and Steering Issues

Addressing problems with uneven cutting height, blades not rotating, and steering.

Vibration and Belt Issues

Diagnosing abnormal vibration and problems with drive belts.

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