Gravely Pro-Turn 400 Series User Manual

Gravely Pro-Turn 400 Series

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Operator’s Manual

Manuel de I’utilisateur

Pro-Turn

400

05297900A • 3/20

Printed in USA

ENGLISH

FRANÇAIS

E10

™

Models

992273 – Pro-Turn 452

(SN 092000 +)

992275 – Pro-Turn 460

(SN 092000 +)

992276 – Pro-Turn 472

(SN 092000 +)

992278 – Pro-Turn 460 EFI

(SN 092000 +)

992279 – Pro-Turn 472 EFI

(SN 092000 +)

992282 – Pro-Turn 452 EFI

(SN 092000 +)

992283 – Pro-Turn 460 EFI

(SN 092000 +)

992284 – Pro-Turn 472 EFI

(SN 092000 +)

992284 – Pro-Turn 472 EFI

(SN 092000 +)

Table of Contents

Questions and Answers:

M
Mr. Kent Martin DDSAug 3, 2025
Why won't my Gravely Pro-Turn 400 engine start?
- J
  John LeonardAug 3, 2025
  Your Gravely Lawn Mower engine might not start due to several reasons. The PTO switch may be in the on position, so push it down to the off position. Ensure the parking brake is engaged. Check if the fuel tank is empty and fill it if needed. Contaminated fuel can also prevent starting, so replace it with clean fuel. A discharged battery needs charging. Clean and tighten any loose or corroded battery cables. Also, make sure the safety interlock system is properly engaged and not faulty.
R
Robert HodgesAug 7, 2025
What to do if my Gravely Lawn Mower doesn't drive?
- C
  christinaquinnAug 7, 2025
  If your Gravely Lawn Mower isn't driving, there are a few things to check. First, make sure the parking brake is released. Next, verify that the transaxles are not bypassed by ensuring the bypass valves are in the operating position. Also, check the hydraulic oil level and add oil if it's low.
R
rodney47Aug 11, 2025
Why does my Gravely Lawn Mower have poor cutting quality?
- D
  doyletylerAug 11, 2025
  Poor cutting quality in your Gravely Lawn Mower can stem from several issues. The mower blades might not be level, or the mower deck pitch could be incorrect; level and adjust these. Dull or faulty mower blades should be sharpened or replaced. If you're mowing too fast, try driving slower. Avoid setting the cutting height too low, and for very tall grass, consider mowing twice.
D
davilaloriAug 16, 2025
What causes a Gravely Pro-Turn 400 Lawn Mower engine to overheat?
- D
  danielle51Aug 16, 2025
  A Gravely Lawn Mower engine can overheat for a few reasons. Check the engine oil level and add oil if it's low. Also, inspect the cooling fins and clean the engine if they are plugged.
L
lesliemyersAug 20, 2025
What to do if the operator presence switch is not engaged on my Gravely Lawn Mower?
- B
  Bradley LloydAug 20, 2025
  To engage the operator presence switch on your Gravely Lawn Mower, activate the switch by sitting on the seat.
T
Tyler OchoaAug 25, 2025
What causes a Gravely Pro-Turn 400 engine to run when the ignition key is off?
- H
  Holly JohnsonAug 25, 2025
  If your Gravely Lawn Mower engine continues to run even when the ignition key is in the off position, it could be due to a disconnected ignition ground wire. Connect the ground wire to a clean, metal surface.
M
Michele RomeroAug 29, 2025
Why does my Gravely Pro-Turn 400 Lawn Mower move with the engine off and parking brake on?
- N
  Nancy ReedAug 29, 2025
  If your Gravely Lawn Mower moves even with the engine off and the parking brake engaged, the parking brake likely needs adjustment. Adjust the parking brake lever.

Gravely Pro-Turn 400 Series Specifications

General

Brand	Gravely
Model	Pro-Turn 400 Series
Category	Lawn Mower
Language	English

Summary

WELCOME

Welcome: Assistance, Manuals, and Disclaimers

Find help, access manuals, and review manufacturer disclaimers for your unit.

Welcome: Product Registration

Register your Gravely product to activate warranty and establish communication.

SAFETY

Safety: Symbols, Decals, and Rules

Understand safety symbols, decals, and essential rules for safe operation.

ASSEMBLY

Assembly: Initial Setup Procedures

Steps for assembling seat, battery, chute, ROPS, and steering levers.

CONTROLS & FEATURES

Controls & Features: Operator Controls and Adjustments

Details on ignition, throttle, PTO, fuel controls, and seat adjustments.

Controls & Features: System Indicators and Safety Features

Overview of warning lights, parking brake, steering, ROPS, and interlock systems.

BEFORE OPERATION

Before Operation: Checks and ROPS Usage

Essential pre-operation checks and proper use of the Rollover Protection Structure.

OPERATION

Operation: Starting, Operating, and Stopping

Procedures for starting the engine, operating the mower, and stopping the unit.

Operation: Emergency Procedures and Manual Movement

How to perform emergency stops and move the unit manually.

MAINTENANCE AND SERVICE

Maintenance & Service: Routine Maintenance Schedule

Recommended maintenance tasks and service intervals for unit longevity.

Maintenance & Service: System Checks and Replacements

Maintenance for hydraulic, electrical, brakes, belts, deck, and clutch systems.

TROUBLESHOOTING

Troubleshooting: Common Problems and Solutions

Troubleshooting guide for engine, drive system, and cutting quality issues.

STORAGE AND ACCESSORIES

Storage & Accessories: Storage, Prep, and Accessories

Guidelines for storing the unit, preparing it for seasons, and available accessories.

WARRANTY INFORMATION

Warranty: Terms, Exclusions, and Limitations

Details on warranty coverage, exclusions, and limitations for the product.

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