Gravely Pro-Turn Z 48 User Manual

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991152 – ZT HD 48

(SN 040000 +)

991154 – ZT HD 52

(SN 040000 +)

991156 – ZT HD 60

(SN 040000 +)

Operator’s Manual

Manuel de I’utilisateur

ZT HD

Pro-Turn Z / ZX

09160000A • 6/20

Printed in USA

E10

ENGLISH

FRANÇAIS

991160 – ZT HD 44

(SN 040000 +)

991162 – ZT HD 48

(SN 040000 +)

991164 – ZT HD 52

(SN 040000 +)

991166 – ZT HD 60

(SN 040000 +)

991192 – Pro-Turn Z 48

(SN 040000 +)

991194 – Pro-Turn Z 52

(SN 040000 +)

991196 – Pro-Turn Z 60

(SN 040000 +)

991230 – Pro-Turn ZX 48

(SN 040000 +)

991232 – Pro-Turn ZX 52

(SN 040000 +)

991234 – Pro-Turn ZX 60

(SN 040000 +)

Models

Table of Contents

Questions and Answers:

S
Shelia ReedSep 7, 2025
How to troubleshoot a Gravely Pro-Turn Z 48 when the engine does not start?
- C
  Crystal PetersSep 7, 2025
  If your Gravely Lawn Mower engine doesn't start, several factors could be the cause. First, make sure the Safety Interlock System is properly engaged and not faulty. If the fuel tank is empty, refill it. Contaminated fuel can also prevent starting, so replace it with clean fuel. A discharged battery will also prevent the engine from starting, so charge the battery. Also, check the connection between the battery and cables, and tighten or clean them if necessary. Loose spark plug wires or faulty spark plugs can also be the problem; connect the wires or replace the spark plugs. If these steps don't resolve the issue, there may be a fault in the electrical system or the engine itself, in which case you should contact your Gravely dealer.
M
Michelle FosterSep 8, 2025
Why is the cutting quality poor on my Gravely Lawn Mower?
- D
  Daniel BarrettSep 9, 2025
  If your Gravely Lawn Mower exhibits poor cutting quality, several factors could be responsible. Ensure the mower blades are level and the mower deck pitch is correct. Dull or faulty mower blades can also cause this issue, so sharpen or replace them. If you're mowing too fast, try slowing down. Poor belt tension or condition can also affect cutting quality, so replace the mower belts if needed. Avoid setting the cutting height too low; for very tall grass, consider mowing twice.
S
Samantha BaileySep 10, 2025
What to do if my Gravely Pro-Turn Z 48 engine runs rough?

Gravely Pro-Turn Z 48 Specifications

General

Cutting Width	48 inches
Engine	Kawasaki FR691V
Engine Displacement	726 cc
Engine Power	23 hp
Transmission	Hydro-Gear ZT-3100
Transmission Type	Hydrostatic
Fuel Capacity	8 gal
Weight	925 lb
Deck Type	Fabricated
Speed	8 mph
Turning Radius	Zero-turn

Summary

Safety

Safety Alert Symbol

Signal Words

Safety Decals

Safety Decal Locations

Illustrates the placement of various safety decals on the machine for visual reminders.

Safety Instructions

Preparation Before Operating

Operating

Outlines safe operating practices, control understanding, and environmental considerations.

Children Specific

Slope Specific

Fire and Fuel Specific

ROPS and Service

ROPS (Pro-Turn Z / ZX)

Details the importance and proper use, inspection, and maintenance of the Rollover Protection Structure.

Assembly

Assembly Process

Controls and Features

Ignition Key

Explains the function and operation of the ignition key.

Throttle Control Lever

Details how to use the throttle lever to control engine speed.

Choke Control Knob

Explains the operation of the choke control for starting the engine.

Power-Take-Off (PTO) Knob

Describes the PTO knob's function for engaging mower blades.

Height-of-Cut Adjustment System

Operation

Emergency Stopping

Procedures for immediate shutdown of the unit in emergency situations.

Before Operating Unit

Position ROPS

Operating Procedures

Operate Unit

Guidance on controlling the unit for mowing, including lever positions and best practices.

Stop the Engine

Procedures for safely shutting down the engine and securing the unit.

Move Unit Manually

Maintenance

Maintenance Schedule

A table outlining required service tasks at different hour intervals for optimal performance.

Maintenance Checks

Safety Interlock System Check

Parking Brake Check

Engine Oil Check

Adjustments

Adjust Seat

Unit Alignment and Adjustment

Adjust Steering Levers

Instructions for adjusting the height and position of steering levers for operator comfort.

Adjust Unit to Drive Straight

Troubleshooting

Engine Issues

Drive and PTO Issues

Steering and Alignment Issues

Specifications

Model 991152-991156 Specifications

Technical data for ZT HD 48, 52, and 60 models, including engine, transmission, dimensions, and tires.

Model 991160-991166 Specifications

Technical data for ZT HD 44, 48, 52, and 60 models, including engine, transmission, dimensions, and tires.

Model 991192-991196 Specifications

Technical data for Pro-Turn Z 48, 52, and 60 models, including engine, transmission, dimensions, and tires.

Warranty Information

Warranty Exclusions and Limitations

Limited Warranty Coverage

Outlines warranty periods for various product groups and conditions for repair.

Customer Responsibilities

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