Gravely ZT1944 User Manual

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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

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product reg-

istration here.

Coller l’autocollant du

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del registro del producto.

ENGLISH

FRANÇAIS

ESPAÑOL

Table of Contents

Questions and Answers:

K
Kristin BlevinsAug 19, 2025
Why won't my Gravely ZT1944 Lawn Mower engine crank/start?
- S
  Sandra GoldenAug 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.
M
Michelle AndersonAug 21, 2025
Why won't my Gravely Lawn Mower engine crank or start?
- U
  uchenAug 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).
Z
Zachary CarpenterAug 25, 2025
What to do if PTO or mower blades do not engage or shut off on my Gravely ZT1944?
- W
  Whitney GonzalezAug 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.
B
Brandi BryanAug 26, 2025
How to improve the cutting quality of my Gravely ZT1944?
- D
  David CampbellAug 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.
K
Kathy HayesAug 28, 2025
What to do if my Gravely ZT1944 Lawn Mower does not move with engine running?
- J
  James WoodAug 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
Kyle GriffinAug 30, 2025
What to do if my Gravely ZT1944 PTO or mower blades do not engage or shut off?
- T
  Tara BrownAug 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.
J
Jessica CruzSep 1, 2025
What to do if my Gravely ZT1944 Lawn Mower unit does not move with engine running when using steering levers?
- L
  Lauren FreemanSep 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.
S
Seth CaseySep 3, 2025
How to fix poor cutting quality on my Gravely ZT1944?
- D
  David FerrellSep 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.
A
Angela SchneiderSep 5, 2025
How to fix a Gravely ZT1944 engine that runs rough?
- A
  Andrew AyalaSep 5, 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.
M
morganmcgrathSep 7, 2025
Why is my Gravely ZT1944 engine overheating?
- M
  Melissa McphersonSep 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.

Gravely ZT1944 Specifications

General

Brand	Gravely
Model	ZT1944
Category	Lawn Mower
Language	English

Summary

Safety Information

Safety Alerts and Symbols

Understand safety alert symbols and their meanings for precautions.

Hazard Warnings and Notations

Comprehend danger, warning, and caution notations for hazardous situations.

Operational Safety Warnings

Rotating Parts and Discharge Area Safety

Warnings about keeping clear of rotating parts and discharge areas.

Child Safety and Mower Operation

Safety advice regarding children and mower operation guards.

General Safety Rules

Safety Rules Overview

Safe Operation Practices

Slope Operation and Vehicle Handling

Guidelines for operating on slopes and handling the vehicle.

Personal Safety and Equipment Use

Advice on protective gear, clothing, and pinch points.

Fuel, Battery, and Storage Safety

Fuel Handling and Battery Safety

Precautions for fuel handling, battery safety, and electrical shock prevention.

Unit Maintenance and Storage Safety

Safety measures for unit maintenance, storage, and chemical exposure.

Assembly Procedures

Controls and Features Overview

Safety Interlock System Check

How to test the safety interlock system before operation.

Control Descriptions

Ignition, Throttle, and PTO Controls

Details on ignition switch, throttle lever, and PTO switch functions.

Choke, Fuel, and Hour Meter

Steering and Lift Controls

Steering Lever Positions and Mower Lift

Fueling and Emergency Stops

Starting, Stopping, and Operating the Engine

Maintenance Schedule

Initial Maintenance Checks

Service and Adjustments

Mower Deck Removal and Installation

Mower Deck Leveling and Pitch Adjustment

Adjusting Mower Deck Pitch

Mower Blade Service

Mower Blade Replacement

Battery Servicing

PTO Belt Replacement

Belt Replacements and Clutch Adjustment

Hydrostatic Belt Replacement

Electric Clutch Testing and Adjustment

Testing blade stopping time and adjusting the electric clutch.

Troubleshooting Engine Problems

Troubleshooting Drive and PTO Issues

Troubleshooting Operational Issues

Technical Specifications

2-Year Limited Warranty

Warranty Limitations and Exclusions

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