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Gravely ZT1740 - User Manual

Gravely ZT1740
30 pages
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Owner/Operator Manual
Models
915042 - ZT1540
915044 - ZT1740
915046 - ZT1944
915048 - ZT2148
915050 - ZT2352
ZT
00296000C 5/04
Supersedes 00296000, A-B
Printed in USA
Transfer
model &
serial number
label from
product reg-
istration here.
Coller l’autocollant du
modèle et du numéro de
série dans cet encadré.
Transferir aquí la etiqueta del
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del registro del producto.
ENGLISH
FRANÇAIS
ESPAÑOL

Table of Contents

Questions and Answers

  • W
    William SimsAug 19, 2025
    Why won't my Gravely ZT1740 engine crank/start?
    • T
      Tiffany LunaAug 19, 2025
      If your Gravely Lawn Mower engine won't crank or start, it could be due to several reasons. First, make sure the safety interlock system is properly engaged and not faulty. Next, ensure the fuel tanks are filled and the fuel shut-off valve is open. Check the battery; if it's discharged, charge it. Also, verify that the battery cables are tightly connected and clean. Inspect the spark plug wires to ensure they are connected, and the spark plugs aren't faulty. If these steps don't resolve the issue, it could be a faulty electrical system or engine, in which case you should contact your Gravely Dealer.
  • R
    Rachel MitchellAug 21, 2025
    Why won't my Gravely Lawn Mower engine crank or start?
    • R
      Rebecca ThorntonAug 21, 2025
      There are several reasons why your Gravely Lawn Mower engine might not crank or start: * The safety interlock system may not be engaged or could be faulty. * The fuel tanks might be empty; if so, fill them. * The fuel shut-off valve may be closed; open it. * The battery could be discharged; charge it. * There might be a poor connection between the battery and battery cables; tighten the cables and/or clean the battery and cables. * The spark plug wire(s) may be loose, or the spark plug(s) may be faulty; connect the wire(s) or replace the plug(s).
  • E
    Eric HayesAug 25, 2025
    What to do if PTO or mower blades do not engage or shut off on my Gravely Lawn Mower?
    • C
      Cynthia PhillipsAug 25, 2025
      If the PTO or mower blades on your Gravely Lawn Mower do not engage or shut off, there are several potential causes. Ensure the operator presence switch is depressed by sitting on the seat. Check if the electric clutch connector is loose or disconnected, and connect it if necessary. A faulty PTO belt could also be the problem, so consider replacing it. If your model is 915044, 046, 048, or 050, the electric clutch may need adjustment. If these steps don't resolve the issue, it could be a faulty operator presence switch, PTO switch, wires, connectors, or clutch, in which case you should contact your Gravely Dealer.
  • R
    Robert DavisAug 26, 2025
    How to improve the cutting quality of my Gravely ZT1740 Lawn Mower?
    • G
      gregoryrushAug 26, 2025
      If you're experiencing poor cutting quality with your Gravely Lawn Mower, it could be due to a couple of issues. First, check if the mower deck is level and the mower pitch is correct, and adjust if necessary. Also, inspect the mower blades; if they are dull or faulty, sharpen or replace them.
  • S
    sabrina91Aug 27, 2025
    What to do if my Gravely Lawn Mower does not move with engine running?
    • N
      nicholasboydAug 28, 2025
      If your Gravely Lawn Mower doesn't move when using the steering levers with the engine running, it could be due to a few reasons. First, check if the transmission bypass lever is engaged and disengage it. Another potential cause is a faulty hydrostatic belt, which should be replaced. If the issue continues, it might be a faulty transmission, and you should contact your Gravely Dealer.
  • K
    Kristen PowellAug 30, 2025
    What to do if my Gravely Lawn Mower PTO or mower blades do not engage or shut off?
    • S
      Sierra Gilmore MDAug 30, 2025
      If the PTO or mower blades on your Gravely Lawn Mower do not engage or shut off, consider the following: * Ensure the operator presence switch is depressed by sitting on the seat. * Check if the electric clutch connector is loose or disconnected, and connect it if necessary. * Inspect the PTO belt for faults and replace it if needed.
  • B
    Bob MillerSep 1, 2025
    What to do if my Gravely Lawn Mower unit does not move with engine running when using steering levers?
    • W
      wandahoffmanSep 1, 2025
      If your Gravely Lawn Mower doesn't move when using the steering levers while the engine is running, it could be because: * The transmission bypass lever is engaged; disengage it. * The hydrostatic belt is faulty; replace it.
  • J
    Jose BruceSep 3, 2025
    How to fix poor cutting quality on my Gravely ZT1740?
    • W
      William ButlerSep 3, 2025
      If you're experiencing poor cutting quality with your Gravely Lawn Mower, consider these points: * The mower deck may not be level, or the mower pitch is incorrect; level and adjust the pitch of the mower deck. * The mower blades may be dull or faulty; sharpen or replace them.
  • S
    sabrinawilsonSep 5, 2025
    How to fix a Gravely Lawn Mower engine that runs rough?
    • S
      Steven SantanaSep 6, 2025
      If your Gravely Lawn Mower engine runs rough, it might be due to a few reasons. First, check if the choke is engaged and disengage it. Another common cause is a plugged air filter cartridge, which should be cleaned or replaced. If the problem persists, it could be a faulty engine, and you should contact your Gravely Dealer.
  • A
    Ashley WelchSep 7, 2025
    Why is my Gravely Lawn Mower engine overheating?
    • D
      Dawn WardSep 7, 2025
      If your Gravely Lawn Mower engine overheats, it could be due to a few reasons. First, check the engine oil level and add oil if it's low. Another potential cause is a plugged cooling system, which should be cleaned. If the issue persists, it could indicate a faulty engine, and you should contact your Gravely Dealer.

Summary

SAFETY

Pre-Operation Safety Checks

Safety Alerts and Symbols Explained

Explains the meaning of Danger, Warning, and Caution symbols and general safety alerts.

Safety Decals and Operating Hazards

Illustrates and explains key safety decals and associated operating risks.

General Safe Operating Practices

Covers rules for slopes, children, terrain, visibility, and general safe operation.

ASSEMBLY

CONTROLS AND FEATURES

Control Identification and Safety Interlock System

Identifies unit controls and details the functionality of the safety interlock system.

Key Control Operation and Adjustment

Explains the function and adjustment of ignition, throttle, PTO, fuel valve, and steering controls.

OPERATIONAL PROCEDURES

Starting, Stopping, and Emergency Procedures

MAINTENANCE SCHEDULE

Routine and Periodic Maintenance Tasks

Schedule of tasks to perform for each use and at periodic intervals.

MOWER DECK SERVICE

MOWER DECK ADJUSTMENTS

Leveling and Pitch Adjustment

Blade Replacement and Sharpening

Instructions for removing, installing, and sharpening mower blades.

Anti-Scalp Roller Adjustment

STEERING LEVER ADJUSTMENTS

Adjusting Lever Position and Height

HYDROSTATIC BELT REPLACEMENT

ELECTRIC CLUTCH ADJUSTMENT

Testing and Adjusting Electric Clutch

Adjusting Electric Clutch Air Gap

TROUBLESHOOTING

Engine and Drive System Issues

Diagnosing and resolving problems with the engine, drive system, and PTO engagement.

Operational and Performance Issues

Troubleshooting for issues like parking brake, tracking, creeping, and poor cutting quality.

WARRANTY INFORMATION

Gravely ZT1740 Specifications

General IconGeneral
BrandGravely
ModelZT1740
CategoryLawn Mower
LanguageEnglish

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