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Gravely ZT HD48 User Manual

Gravely ZT HD48
34 pages
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Owner/Operator Manual
Manuel Du Propriétaire/Utilisateur
Models
991068 – ZT HD48
991069 – ZT HD52
991070 – ZT HD60
ZT HD
03994700A 1/10
Printed in USA
ENGLISH
FRANÇAIS
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Gravely ZT HD48 Specifications

General IconGeneral
EngineKawasaki FR691V
Engine Displacement726 cc
Engine Power23 HP
Cutting Width48 inches
Cutting Height1.5 - 5 inches
Deck TypeFabricated
Deck Material10-gauge steel
Spindle MaterialAluminum
TransmissionHydro-Gear ZT-3100
Ground Speed Reverse4 mph
Weight850 lbs
Turning RadiusZero-turn
Warranty4-year

Summary

INTRODUCTION

Non-English Manuals

Information on obtaining manuals in languages other than English.

The Manual

Guidance on reading the manual for safe operation and maintenance.

Service and Replacement Parts

Procedures for ordering replacement parts and making service inquiries.

DEALER INFORMATION

Dealer Delivery Procedures

Key tasks for dealers during unit delivery to the customer.

Product Registration

Explains the necessity of product registration for warranty and service information.

Unauthorized Parts & Disclaimer

Warns against non-Gravely parts and states manufacturer's rights.

SAFETY

Safety Symbols and Signal Words

Explains safety alert symbols, signal words, notations, and important messages.

Safe Practices and Operator Training

Guidelines for safe operation, applicable laws, and operator training requirements.

ASSEMBLY

Unit Assembly

Steps for unpacking and assembling the unit, including preparation.

CONTROLS AND FEATURES

Identification of Controls

Lists and identifies the various controls and components on the unit.

OPERATION

Steering Levers

Instructions on using steering levers for speed, direction, and stopping the unit.

Safety Interlock System

Details on testing and function of the safety interlock system for safe operation.

Ignition and Choke Controls

How to operate the ignition switch and choke for starting and stopping the engine.

OPERATION CONTROLS

Throttle and Bypass Valve Levers

Controls for engine speed and unit movement when the engine is off.

PTO Switch and Mower Lift Pedal

Controls for engaging the mower blades and lifting the deck.

Fuel Shut-Off and Parking Brake

Controls for managing fuel flow and securing the unit.

Seat Adjustments and Hour Meter

Procedures for adjusting the seat and understanding the hour meter.

FILLING FUEL TANK

Fueling Procedures

Steps for safely adding fuel to the tank, including gasoline guidelines.

PRE-START CHECKLIST

Pre-Operation Inspections

Essential checks before starting the unit, including safety interlocks and fluids.

Emergency Stopping

How to immediately stop the unit in an emergency situation.

STARTING AND SHUT OFF

Engine Starting Procedure

Step-by-step guide to starting the engine safely.

Engine Stopping Procedure

Steps to properly shut down the engine.

Mowing Operation

How to operate the unit for mowing, including speed and blade engagement.

Parking and Moving Unit

Procedures for parking the unit and moving it with the engine off.

MAINTENANCE SCHEDULE

Maintenance Intervals

Chart outlining recommended service intervals and tasks for unit upkeep.

MAINTENANCE TASKS

Safety Interlock and Brake Checks

Procedures for checking safety interlocks and parking brake systems.

Fluid, Tire, and Blade Checks

Tasks including checking hydraulic fluid, tire pressure, and mower blades.

Unit Cleaning and Engine Maintenance

Guidelines for cleaning the unit and performing engine maintenance.

SERVICE AND ADJUSTMENTS

Service Position

Instructions for placing the unit in a service position for maintenance.

Lubrication and Belt Checks

Tasks for lubricating fittings and checking drive belts.

Battery and Fastener Checks

Procedures for cleaning the battery and checking fasteners.

Hydraulic Fluid and Filter Change

Steps for changing hydraulic fluid and filter.

HYDRAULIC FLUID

Adding Hydraulic Fluid

Steps to add hydraulic fluid to the system.

Checking Hydraulic Fluid Level

Procedure to check the hydraulic fluid level.

Changing Hydraulic Fluid and Filter

Instructions for replacing hydraulic fluid and filter.

PURGING THE HYDRAULIC SYSTEM

System Purging Procedure

Steps to purge air from the hydraulic system after fluid change.

MOWER BLADES

Blade Removal and Replacement

Instructions for removing, replacing, and torqueing mower blades.

SHARPEN THE MOWER BLADES

Blade Sharpening and Balancing

Guidelines for sharpening and balancing mower blades for optimal performance.

BATTERY

Battery Maintenance and Replacement

Procedures for removing, replacing, and cleaning the battery.

CHARGING THE BATTERY

Battery Charging Procedures

Instructions for safely charging the unit's battery.

Battery Electrolyte First Aid

First aid measures for contact with battery fluid.

LUBRICATE UNIT

Lubrication Points

Identifies pivot points and connections requiring lubrication.

STEERING CONTROL NEUTRAL ADJUSTMENT

Eliminating Steering Creep

Steps to adjust steering controls to prevent unwanted unit movement.

ALIGNING THE STEERING LEVERS

Steering Lever Alignment

Procedure to align steering levers for proper control.

ADJUSTING THE UNIT TO TRACK STRAIGHT

Tracking Adjustment

How to adjust limiter bolts to ensure the unit tracks straight.

ADJUSTING THE HEIGHT OF THE STEERING LEVER HANDLES

Handle Height Adjustment

Steps to adjust the steering lever handles to different height positions.

ADJUSTING THE PARKING BRAKE

Parking Brake Adjustment

Procedure to adjust the parking brake if it does not hold the unit properly.

PTO BELT

PTO Belt Access

Steps to access the PTO belt for maintenance.

Replacing Mower Belts

Instructions for replacing mower belts, including idler tension.

REPLACING THE HYDRO PUMP BELT

Hydro Pump Belt Replacement

Procedure for replacing the hydro pump drive belt.

MOWER DECKS

Anti-scalp Roller Adjustment

How to adjust anti-scalp rollers to prevent lawn scalping.

Removing the Mower Deck

Steps for safely removing the mower deck from the unit.

INSTALLING THE MOWER DECK

Deck Installation Procedure

Steps for installing the mower deck onto the unit.

LEVELING THE MOWER DECK

Deck Leveling Procedure

How to level the mower deck side-to-side and adjust front-to-back pitch.

CLUTCH ADJUSTMENT

Clutch Air Gap Adjustment

Procedure to adjust the air gap for proper clutch engagement.

STORAGE

Short and Long Term Storage

Guidelines for storing the unit for short and extended periods.

ACCESSORIES

Available Accessories

List of optional accessories for the unit.

SERVICE PARTS

Common Service Parts

List of frequently needed service parts with part numbers.

SPECIFICATIONS

Model Specifications Summary

Table detailing technical specifications for different models.

WARRANTY INFORMATION

Warranty Coverage

Details on the limited warranty periods for different product components.

Customer Responsibilities

Outlines customer duties for maintaining warranty coverage.

WARRANTY EXCLUSIONS AND LIMITATIONS

Items Not Covered by Warranty

Lists components and conditions not covered by the product warranty.

Warranty Disclaimers and Limitations

Covers limitations on remedies, damages, and further warranty disclaimers.

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