Gravely 915080 User Manual

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Owner/Operator Manual

ZT XL

00698300A 1/07

Printed in USA

ENGLISH

ESPAÑOL

Model

915076 - ZT1840XL

915078 - ZT2044XL

915080 - ZT2348XL

915082 - ZT2552XL

Table of Contents

Questions and Answers:

A
Amber SimmonsAug 13, 2025
Why won't my Gravely 915080 Lawn Mower engine crank or start?
- Z
  Zachary MatthewsAug 13, 2025
  If your Gravely Lawn Mower engine won't crank or start, several factors could be at play. First, ensure the safety interlock system is properly engaged and not faulty. Next, check that the fuel tanks are filled and the fuel shut-off valve is open. A discharged battery or poor connection between the battery and cables could also be the culprit; in this case, charge the battery or tighten/clean the battery cables. Lastly, inspect the spark plug wires for looseness or faulty spark plugs, addressing as needed. If these steps don't resolve the issue, there may be a faulty electrical system or engine, and you should contact your Gravely Dealer.
L
lsharpAug 16, 2025
How to fix a Gravely 915080 Lawn Mower engine that runs rough?
- B
  Bridget BrooksAug 17, 2025
  If your Gravely Lawn Mower engine runs rough, first ensure that the choke is disengaged. If the issue persists, the air filter cartridge may be plugged and require cleaning or replacement. If neither of these steps resolves the problem, the engine may be faulty, and you should contact your Gravely Dealer.
M
Mark MirandaAug 20, 2025
Why my Gravely 915080 Lawn Mower unit does not travel in a straight line?
- J
  Jacqueline MayAug 20, 2025
  If your Gravely Lawn Mower does not travel in a straight line, start by checking the tire pressure. If the tire pressure is not the issue, try adjusting the steering levers. If the problem persists, there may be an issue with the hydrostatic transmission and/or linkage, and you should contact your Gravely Dealer.
L
lisa21Aug 25, 2025
What to do if Gravely Lawn Mower does not move with engine running?
- A
  Alice HallAug 25, 2025
  If your Gravely Lawn Mower unit does not move with the engine running when using the steering levers, first check if the transmission bypass lever is engaged and disengage it. If that's not the issue, the hydrostatic belt may be faulty and need replacement. If the problem continues, the transmission may be faulty, and you should contact your Gravely Dealer.
A
aaronbrownAug 27, 2025
What to do if PTO or mower blades do not engage or shut off on Gravely 915080?
- M
  megan72Aug 27, 2025
  If the PTO or mower blades on your Gravely Lawn Mower do not engage or shut off, start by ensuring the operator presence switch is depressed by sitting on the seat. Also, check if the electric clutch connector is loose or disconnected, and connect it if necessary. A faulty PTO belt could also be the cause, so consider replacing it. If these steps don't solve the problem, the issue might be a faulty operator presence switch, PTO switch, wires, connectors, or clutch, and you should contact your Gravely Dealer.
M
Mitchell GarrettAug 31, 2025
What causes Gravely 915080 Lawn Mower engine to overheat?
- G
  Garrett Barnes MDAug 31, 2025
  If your Gravely Lawn Mower engine overheats, first check the engine oil level and add oil if it is low. If the oil level is sufficient, the cooling system may be plugged and require cleaning. If the problem persists, the engine may be faulty, and you should contact your Gravely Dealer.
E
Eric BuckSep 4, 2025
How to improve cutting quality of Gravely 915080 Lawn Mower?
- R
  rsavageSep 4, 2025
  If you notice poor cutting quality with your Gravely Lawn Mower, the mower deck may not be level or the mower pitch may be incorrect; in this case, level and adjust the pitch of the mower deck. Alternatively, the mower blades may be dull or faulty, requiring sharpening or replacement.
M
Michele ChambersSep 8, 2025
Why does the hour meter continue to run when engine is not running on my Gravely 915080?
- J
  joseph57Sep 8, 2025
  If the hour meter on your Gravely Lawn Mower continues to run when the engine is not running, ensure the ignition key is turned to the off position.

Gravely 915080 Specifications

General

Brand	Gravely
Model	915080
Category	Lawn Mower
Language	English

Summary

Introduction and Initial Setup

Pre-Operation Safety and Parts Usage

Essential safety checks and using genuine parts for optimal performance.

Comprehensive Safety Guidelines

General Hazard Warnings and Alerts

Covers cutting, slopes, children, fuel hazards, and alert symbol meanings.

Detailed Safety Decal Information

Specific Safety Decal Explanations

Explanations for various safety decals covering rotating parts, fuel, and general hazards.

Safe Operation and Operator Conduct

Slope, Terrain, and Fueling Safety

Guidelines for slopes, terrain, fueling, and hot surfaces.

Operator Protection and Awareness

Rules for operator conduct, clothing, and protective gear.

Assembly Instructions

Controls and Features Overview

Unit Control Identification

Lists and identifies all major controls and features of the unit.

Operation Procedures

Safety Interlock System Testing

Verifying the safety interlock system functionality before operation.

Control System Operation Details

Operating throttle, choke, ignition, PTO, and fuel valve.

Steering and Deck Control Adjustments

Steering Lever and Axle Lock Adjustments

Engine, Mower, and Transport Operation

Starting, Stopping, and Mowing Procedures

Procedures for engine and mower operation.

Maintenance Schedule

Regular Service Tasks and Intervals

Service and Adjustments

Mower Deck Levelling Instructions

Instructions for levelling the mower deck.

Mower Deck Pitch and Height Adjustment

Adjusting Cutting Height

Adjusting Mower Deck Pitch

Procedures to adjust the mower deck pitch.

Mower Deck and Blade Service

Removing and Installing Mower Deck

Blade Replacement and Sharpening

Drive System Adjustment and Belt Replacement

Steering and Speed Calibration

PTO Belt Replacement Procedure

Troubleshooting Engine and Drive Issues

Engine Starting and Running Problems

Solutions for engine crank/start and rough running issues.

Drive System and PTO Malfunctions

Troubleshooting for unit movement and PTO engagement.

Troubleshooting Steering and Cutting Issues

Brake, Hour Meter, and Tracking Problems

Cutting Quality Problems

Technical Specifications

Unit Specifications Summary

Warranty Coverage Details

Consumer and Commercial Warranties

Specialized and Auger Warranties

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