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Gravely 991244 - User Manual

Gravely 991244
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ZT HD
Pro-Turn Z / ZX
991240 – ZT HD 44
(SN 000101 +)
991242 – ZT HD 48
(SN 000101 +)
991244 – ZT HD 52
(SN 000101 +)
Operator’s Manual
Manuel de I’utilisateur
09199900B • 11/20
Printed in USA
E10
ENGLISH
FRANÇAIS
991246 – ZT HD 60
(SN 000101 +)
991248 – ZT HD 48
(SN 000101 +)
991250 – ZT HD 52
(SN 000101 +)
991252 – ZT HD 60
(SN 000101 +)
991254 – Pro-Turn Z 48
(SN 000101 +)
991256 – Pro-Turn Z 52
(SN 000101 +)
991258 – Pro-Turn Z 60
(SN 000101 +)
991260 – Pro-Turn ZX 48
(SN 000101 +)
991262 – Pro-Turn ZX 52
(SN 000101 +)
991264 – Pro-Turn ZX 60
(SN 000101 +)
Models

Table of Contents

Questions and Answers

  • A
    Amy OlsonAug 14, 2025
    How to troubleshoot starting issues with my Gravely 991244 Lawn Mower?
    • J
      josedelgadoAug 14, 2025
      If your Gravely Lawn Mower engine doesn't start, there are several potential causes. First, the safety interlock system might not be engaged or could be faulty. Also, the fuel tank could be empty, or the fuel supply might be contaminated, requiring replacement with clean fuel. The battery could be discharged, needing a charge. A loose connection between the battery and cables can also prevent starting, so ensure they are tightened and clean. Spark plug wires might be loose, or the spark plugs themselves could be faulty, requiring connection or replacement. In some cases, the electrical system or the engine itself might be faulty, in which case you should contact your Gravely dealer.
  • A
    Amy SanchezAug 17, 2025
    What to do if my Gravely 991244 Lawn Mower does not drive?
    • C
      carol49Aug 18, 2025
      If your Gravely Lawn Mower does not drive, one potential cause is that the transaxles are bypassed. If this is the case, engage the levers. It's also possible that the transaxle drive belt is faulty, or that the transaxles themselves are faulty, which would require contacting your Gravely dealer.
  • N
    Nathaniel HardinAug 21, 2025
    Why is my Gravely 991244 Lawn Mower's cutting quality so poor?
    • B
      Brian WrightAug 21, 2025
      If your Gravely Lawn Mower exhibits poor cutting quality, several factors could be responsible. First, the mower blades might not be level, or the mower deck pitch could be incorrect. It's also possible that the mower blades are dull or faulty, requiring sharpening or replacement. Another factor could be mowing speed is too fast, so try driving slower when cutting grass. Also, belt tension or condition might be poor, requiring replacement of mower belts. Finally, the cutting height might be too low, so avoid setting the height of cut too low, and for very tall grass, mow twice.
  • T
    Tracy ReedAug 25, 2025
    What to do if the PTO malfunctions on my Gravely 991244 Lawn Mower?
    • P
      Phillip WhiteAug 26, 2025
      If the PTO malfunctions on your Gravely Lawn Mower, it could be due to a few reasons. The operator presence switch might not be engaged; make sure to activate it by sitting on the operator seat. It's also possible that the operator presence switch itself is faulty. Another cause could be a faulty PTO belt, which would need replacement. In some cases, the PTO switch, wiring, connectors, or clutch might be faulty, which would require contacting your Gravely dealer.
  • L
    Lisa Aguirre DDSAug 28, 2025
    Why does my Gravely 991244 engine run rough?
    • B
      brandon08Aug 28, 2025
      If your Gravely Lawn Mower engine runs rough, one potential cause is that the choke control knob is in the 'on' position. If this is the case, move the knob to the 'off' position. Another possibility is that the air filter cartridge is plugged, which means you should clean or replace it. In some cases, the engine itself might be faulty, requiring assistance from your Gravely dealer.
  • A
    Anna WoodSep 1, 2025
    Why is my Gravely 991244 engine overheating?
    • M
      Mr. John Edwards IISep 1, 2025
      If your Gravely Lawn Mower engine overheats, it could be due to a few reasons. The engine oil level might be low, requiring you to add engine oil. Another possibility is that the cooling fins are plugged, which means you should clean the engine. In some cases, the engine itself might be faulty, requiring assistance from your Gravely dealer.
  • T
    Tammy RileySep 5, 2025
    Why does my Gravely Lawn Mower move when off and the parking brake is on?
    • V
      Victoria WagnerSep 5, 2025
      If your Gravely Lawn Mower moves with the engine off and the parking brake engaged, it could be that the parking brake needs adjustment. You can adjust the parking brake lever. It's also possible that the parking brake itself is faulty, which would require contacting your Gravely dealer.
  • K
    Kelly FitzpatrickSep 9, 2025
    Why doesn't my Gravely 991244 drive straight?
    • L
      Lisa PerezSep 9, 2025
      If your Gravely Lawn Mower does not drive straight, it could be due to incorrect tire pressure, so check the tire pressure. Another possible cause is that the steering levers need adjustment.

Summary

SAFETY

SAFETY DECALS

Visual reminders of important safety information on the machine and in the manual.

ROPS (Pro-Turn Z; ZX)

Guidelines for using and maintaining the Rollover Protection Structure for operator safety.

CONTROLS AND FEATURES

Control Identification and Overview

Key Control Operations Explained

Detailed descriptions of major controls like ignition, throttle, PTO, and adjustments.

Operator Interface and Safety Systems

OPERATION

Emergency Stopping and Pre-Operation Checks

Procedures for emergency stops, pre-operation checks, and ROPS positioning.

Starting and Driving the Unit

Step-by-step guide for starting the engine and safely operating the unit.

Mowing Techniques and Shutdown

MAINTENANCE

Routine Maintenance Schedule and Transport

Schedule of maintenance tasks and procedures for transporting the unit.

ADJUSTMENTS

Seat and Steering Lever Adjustment

Unit Tracking and Speed Adjustment

Adjusting limiter bolts and tire pressure for straight unit tracking and speed control.

TROUBLESHOOTING

Engine and Drive System Issues

Diagnosing and correcting problems with engine starting, running, and unit drive.

PTO, Steering, and Brake Problems

Cutting Quality and Blade Stopping

Gravely 991244 Specifications

General IconGeneral
BrandGravely
Model991244
CategoryLawn Mower
LanguageEnglish

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