Gravely 988150-32GR User Manual

Gravely 988150-32GR

34 pages

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ENGLISH

04263400 12/10

Printed in USA

ENGLISH

FRANÇAIS

Owner/Operator Manual

Manuel Du Propriétaire/Utilisateur

Models

988150 – 32GR

988151 – 36GR

988152 – 48GR

Pro-Walk Gear

Gasoline containing up to 10% ethanol (E10) or up to 10% MTBE (methyl tertiary butyl ether) is

acceptable for use in this machine.

The use of any gasoline exceeding 10% ethanol (E10) or 10% MTBE will void the product warranty.

Table of Contents

Questions and Answers:

E
Erin HartAug 7, 2025
Why won't my Gravely 988150-32GR engine start?
- S
  Stephen WhiteAug 7, 2025
  Your Gravely Lawn Mower engine might not be starting due to several reasons. First, the safety interlock system could be preventing the start; ensure the shift lever is in neutral, the key is in the On position, and the Power Take Off (PTO) is Off. Another reason could be an empty or contaminated fuel tank. Add fuel, or if necessary, replace the fuel with clean, fresh fuel. Also, check if the air cleaner is clogged or damaged, and clean or replace the filter element. Other potential issues include a safety interlock system out of adjustment or a dirty or damaged spark plug.
C
Carol PorterAug 13, 2025
What to do if my Gravely 988150-32GR loses power?
- C
  Carol MosleyAug 13, 2025
  If your Gravely Lawn Mower is losing power, there are several potential causes to investigate. Check for any binding in the steering or brake linkage, ensuring there's no debris or damage; repair if necessary. Also, inspect the steering levers for proper adjustment. Examine the traction belts for wear or damage, and replace them if needed. If the traction belt is slipping, move the traction belt idler spring anchor to the rearmost position. Finally, check the transmission shaft pulley for excessive wear; if it's worn, it should be replaced.
D
Douglas ThompsonAug 18, 2025
What to do if my Gravely 988150-32GR Lawn Mower unit will not move or mow when the engine is running?
- J
  Jessica ChanAug 18, 2025
  If your Gravely Lawn Mower isn't moving or mowing with the engine running, the transmission belt or mower belt might be the issue. Check these belts for wear, damage, and correct positioning on the pulleys. If you find that the belts are worn or damaged, replace them.
E
Emily LarsonAug 25, 2025
Why does my Gravely Lawn Mower have changes in the sound or vibrations?
- S
  Shannon Salazar MDAug 26, 2025
  Changes in sound or vibrations in your Gravely Lawn Mower can be attributed to a few things. Start by checking all fasteners to ensure they are not loose or missing, and replace any that are necessary. Then, inspect the mower blades for wear or damage. A worn or damaged clutch could also be the source of the problem.
D
Dustin HodgeAug 31, 2025
What to do if my Gravely Lawn Mower unit does not straighten immediately when the steering levers are released?
- R
  Ronnie WeberAug 31, 2025
  If your Gravely Lawn Mower doesn't straighten immediately after releasing the steering levers, it could be due to rust on the clutch sliding pin. Clean any heavy rust deposits from the pin. Another possibility is that the steering levers are out of adjustment.

Gravely 988150-32GR Specifications

General

Brand	Gravely
Model	988150-32GR
Category	Lawn Mower
Language	English

Summary

Introduction and Setup

Non-English Manuals

Information on obtaining product manuals in languages other than English.

Model and Serial Number Identification

Location and importance of unit and engine model/serial numbers for service inquiries.

Product Registration and Dealer Information

Process for registering the product and dealer responsibilities at the time of sale.

Safety Guidelines and Precautions

Understanding Safety Alerts and Symbols

Explanation of safety alert symbols, signal words, and general warnings for safe operation.

Operator Safety and Training

Importance of operator training, alertness, and following safety practices for accident prevention.

Safe Operation on Slopes and Terrain

Precautions for mowing on slopes, uneven terrain, and near potential hazards.

Operational Procedures

General Operating Safety and Controls

Rules for safe operation, checking controls, and general awareness during use.

Starting, Operating, and Shutting Down

Procedures for safely starting the engine, operating controls, and shutting off the unit.

Cutting Height Adjustment

Steps for adjusting the mower deck height for desired cutting performance.

Maintenance and Service

Maintenance Schedule Overview

Recommended maintenance tasks based on usage intervals (Each Use, 25, 50, 100 Hours).

Lubrication, Adjustments, and Belts

Guidance on lubrication, steering/brake adjustments, and belt replacement procedures.

Blade Service and Electrical Maintenance

Procedures for servicing mower blades and replacing fuses in the electrical system.

Storage, Troubleshooting, and Warranty

Storage Recommendations and Parts

Guidelines for proper storage and list of available service parts and accessories.

Troubleshooting Common Issues

Solutions for common problems such as engine not starting or unit not moving.

Specifications and Warranty Details

Technical specifications of the unit and information on the limited warranty.

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