Gravely ZT Series User Manual

Gravely ZT Series

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

modelo y número de serie

del registro del producto.

ENGLISH

FRANÇAIS

ESPAÑOL

Table of Contents

Questions and Answers:

A
Ashley DillonJul 28, 2025
Why won't my Gravely ZT engine crank/start?
- J
  Justin GriffithJul 28, 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.
J
Jordan FernandezJul 31, 2025
What to do if PTO or mower blades do not engage or shut off on my Gravely ZT Lawn Mower?
- N
  Nancy CarneyJul 31, 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.
C
Cynthia PerezAug 4, 2025
How to improve the cutting quality of my Gravely ZT?
- J
  Joel Fisher MDAug 5, 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.
C
Carrie EstesAug 9, 2025
What to do if my Gravely ZT does not move with engine running?
- C
  Calvin AlexanderAug 9, 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.
M
Mr. Robert BradfordAug 13, 2025
How to fix a Gravely Lawn Mower engine that runs rough?
- H
  hsaundersAug 14, 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.
J
Jordan LunaAug 17, 2025
Why is my Gravely ZT engine overheating?
- M
  michaelalvarezAug 18, 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.
C
caitlin07Aug 22, 2025
Why does the hour meter continue to run when engine is not running on my Gravely ZT Lawn Mower?
- J
  Jennifer EspinozaAug 22, 2025
  If the hour meter on your Gravely Lawn Mower continues to run when the engine is off, it is likely because the ignition key is in the run position. Simply turn the ignition key to the off position.

Gravely ZT Series Specifications

General

Deck Material	Steel
Deck Construction	Fabricated
Turning Radius	Zero-Turn
Engine Brand	Kawasaki
Cutting Width	60 inches
Transmission	Hydrostatic
Cutting Height Range	1.5-5 inches
Warranty	3-year limited
Category	Zero-Turn Mower
Type	Commercial

Summary

Introduction

Model and Serial Numbers

Importance of knowing unit and engine model/serial numbers for service inquiries.

Product Registration

Process and benefits of registering the product for warranty claims and service information.

Safety

Safety Alerts

Explanation of safety alert symbols (Danger, Warning, Caution) and their meanings.

Notations

Definitions for general reference information and important specific procedures.

Safety Decals and Locations

Importance of replacing missing or damaged safety decals and referring to their locations.

Assembly

Unpack Unit

Instructions for removing the unit and components from the shipping container.

Connect Battery

Guidance on safely connecting the battery terminals correctly.

Place Unit in Operating Position

Steps to set up the unit for operation, including seat and steering levers.

Check Safety Interlock System

Warning about safety interlock failure and the importance of checking its function.

Controls and Features

Operation

Safety Interlock System

Tests to ensure the safety interlock system is functioning correctly.

Maintenance Schedule

Check Safety Interlock System

Test the safety interlock system each time the unit is operated for safety.

Check Parking Brake

Verify parking brake engagement and disengagement for secure operation.

Clean Unit

Instructions for cleaning the unit of dirt, debris, and spills.

Service and Adjustments

Tipping the Seat Forward

Procedure to tip the seat forward to access the battery and engine.

Troubleshooting

Engine Will Not Crank/Start

Addresses potential causes and corrections for engine starting issues.

Engine Runs Rough

Covers common reasons and solutions for an engine running unevenly.

PTO or Mower Blades Do Not Engage or Shut Off

Troubleshooting steps for power take-off and blade engagement problems.

Poor Cutting Quality

Identifies issues and solutions for unsatisfactory lawn cutting results.

Service Parts

Accessories

Specifications

Warranty

Limitation of Remedy and Damages

Defines liability limits for incidental, special, or consequential damages.

Disclaimer of Further Warranty

States that Gravely makes no warranty beyond what is expressly stated.

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