Gravely ZT XL 52 User Manual

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05102200C • 2/17

Printed in USA

ENGLISH

FRANÇAIS

E10

ZT X

Operator’s Manual

Manuel du Utilisateur

ZT XL

™

™

915202 – ZT XL 42

(SN 020000 +)

915204 – ZT XL 52

(SN 020000 +)

915206 – ZT XL 42

(SN 020000 +)

915216 – ZT XL 60

(SN 020000 +)

915218 – ZT XL 60

(SN 020000 +)

915230 – ZT X 52

(SN 020000 +)

915236 – ZT X 52 CARB

(SN 020000 +)

915238 – ZT XL 42 CARB

(SN 020000 +)

915240 – ZT XL 52 CARB

(SN 020000 +)

915242 – ZT XL 60 CARB

(SN 020000 +)

915172 – ZT X 42

(SN 020000 +)

915174 – ZT X 52

(SN 020000 +)

915176 – ZT X 42 CARB

(SN 020000 +)

915200 – ZT XL 52

(SN 020000 +)

Models

Table of Contents

Questions and Answers:

R
Rodney VargasAug 20, 2025
What to do if my Gravely Lawn Mower engine does not start?
- J
  jamie49Aug 20, 2025
  If your Gravely Lawn Mower engine won't start, several factors could be at play. First, ensure the Safety Interlock System is properly engaged and functioning; if it's faulty, it needs checking. A depleted fuel tank is a common culprit, so replenish it with fuel. Contaminated fuel can also prevent starting, necessitating a replacement with clean fuel. Check the battery; if it's discharged, charge it. Poor connections between the battery and its cables can hinder starting, so tighten or clean them. Inspect the spark plug wires for looseness and examine the spark plugs themselves, replacing them if faulty. If these steps don't resolve the issue, there may be an electrical or engine fault, in which case you should contact your Gravely dealer.
L
Laura VargasAug 22, 2025
Why won't my Gravely ZT XL 52 Lawn Mower engine start?
- K
  Kimberly GarrisonAug 22, 2025
  There are several reasons why your Gravely Lawn Mower engine might not be starting. It could be due to the Safety Interlock System not being engaged or being faulty. Another reason could be that the fuel tank is empty or the fuel supply is contaminated, so you should fill the fuel tank or replace the fuel with clean fuel. Also, the battery might be discharged, or the connection between the battery and battery cables may be poor, so ensure to charge the battery or tighten/clean the battery and battery cables. Finally, the spark plug wires could be loose or the spark plugs faulty, so connect the spark plug wires or replace the spark plugs.
C
Christy RobinsonAug 25, 2025
How to improve cutting quality of my Gravely ZT XL 52?
- J
  johnsonemilyAug 25, 2025
  If your Gravely Lawn Mower exhibits poor cutting quality, several factors may be responsible. Ensure the mower blades are level and the mower deck pitch is correct. Dull or faulty mower blades will also impact cutting performance, so sharpen or replace them as needed. Avoid mowing at excessively high speeds, as this can compromise the cut quality. Inspect the belt tension and condition; replace the deck drive belt if it's in poor condition. Also, avoid setting the cutting height too low, and for very tall grass, consider mowing twice.
D
Denise Terry PhDAug 26, 2025
What to do if my Gravely Lawn Mower does not drive?
- S
  Sheri JonesAug 26, 2025
  If your Gravely Lawn Mower does not drive, ensure that the transaxles are engaged by checking and engaging the levers. If the problem persists, the ground drive belt may be faulty, or the transaxles themselves might be faulty, requiring you to contact your Gravely dealer.
E
Eugene Hamilton PhDAug 28, 2025
What to do if Gravely ZT XL 52 Lawn Mower has poor cutting quality?
- M
  Melissa SmithAug 28, 2025
  If your Gravely Lawn Mower has poor cutting quality, consider the following: * Check if the mower blades are level or the mower deck pitch is incorrect. * See if the mower blades are dull or faulty—sharpen or replace them as needed. * Reduce your mowing speed. * Avoid setting the cutting height too low; for very tall grass, mow twice.
S
Stacey LarsenAug 29, 2025
What to do if Gravely Lawn Mower does not drive?
- K
  Kimberly WilsonAug 29, 2025
  If your Gravely Lawn Mower isn't driving, the transaxles might be bypassed, so engage the levers.
O
obondAug 31, 2025
Why is my Gravely ZT XL 52 engine running rough?
- G
  gwatsonAug 31, 2025
  If your Gravely Lawn Mower engine is running rough, first check the choke control knob; if it's in the 'on' position (applicable to models 915204, 915206, 915218, 915230, 915236, 915238, 915240, 915242), move it to the 'off' position. Another potential cause is a plugged air filter cartridge, which should be cleaned or replaced. If neither of these resolves the issue, the engine itself may be faulty, and you should contact your Gravely dealer.
J
Jeffrey ProctorSep 2, 2025
What to do if PTO malfunctions on my Gravely Lawn Mower?
- J
  James WagnerSep 2, 2025
  If the PTO (Power Take-Off) on your Gravely Lawn Mower is malfunctioning, start by ensuring the operator presence switch is engaged by sitting on the operator seat. If the issue persists, the operator presence switch may be faulty, and you should contact your Gravely dealer. Also, inspect the deck drive belt for any faults and replace it if necessary. If the problem continues, the PTO switch, wiring, connectors, or clutch may be faulty, requiring you to contact your Gravely dealer.
E
Elizabeth MorrisSep 4, 2025
Why does my Gravely ZT XL 52 engine overheat?
- L
  Lisa MendezSep 4, 2025
  If your Gravely Lawn Mower engine overheats, start by checking the engine oil level and adding oil if it is low. Also, inspect the cooling fins for any blockages and clean the engine if necessary. If the issue persists, the engine itself may be faulty, and you should contact your Gravely dealer.
I
ifreemanSep 6, 2025
Why does my Gravely ZT XL 52 move with engine off and parking brake engaged?
- M
  michael46Sep 6, 2025
  If your Gravely Lawn Mower moves with the engine off and the parking brake engaged, the parking brake likely needs adjustment. Adjust the parking brake lever accordingly. If the issue persists, the parking brake itself may be faulty, and you should contact your Gravely dealer.

Gravely ZT XL 52 Specifications

General

Engine Brand	Kawasaki
Engine Model	FR691V
Horsepower	23 HP
Engine Displacement	726 cc
Cutting Width	52 inches
Transmission Type	Hydrostatic
Blade Tip Speed	18, 000 fpm
Spindle Material	Aluminum
Ground Speed Forward	8 mph
Ground Speed Reverse	3 mph
Deck Type	Fabricated
Warranty	3 years
Deck Material	Steel
Seat Type	High Back
Cutting Height	1.5 - 4.5 inches

Summary

SAFETY

SAFETY FUNDAMENTALS

SPECIFIC HAZARDS

Details dangers like amputation, discharge, tipping, and service hazards.

OPERATIONAL HAZARDS

Covers bystander, loss of traction, fueling, and hot/rotating parts hazards.

OPERATOR SAFETY GUIDELINES

Includes towing cautions, general rules, operator age, child safety, and personal protection.

BEFORE OPERATING

PRE-OPERATION CHECKS AND PRACTICES

OPERATING CONDITIONS

ENVIRONMENTAL AND SLOPE OPERATION

MAINTENANCE

MAINTENANCE SCHEDULE AND PARTS

ROUTINE CHECKS

SERVICE POSITION AND SYSTEM CHECKS

MOWER BLADE MAINTENANCE

BATTERY AND BELT MAINTENANCE

BELT PROCEDURES AND BATTERY CHARGING

DRIVE BELT INSTALLATION

CONTROLS AND FEATURES

CONTROL AND FEATURE IDENTIFICATION

Diagram and list identifying all controls and features on the machine.

OPERATOR CONTROLS

Details ignition, throttle, choke, PTO controls, and other operator interface elements.

OPERATION

OPERATIONAL BASICS AND SAFETY

Covers parking brake, interlocks, emergency stops, and pre-operation checks.

STARTING AND OPERATING THE UNIT

Step-by-step guide for starting the engine and basic unit operation.

MOWING TIPS AND UNIT MOVEMENT

HYDRAULIC SYSTEM MAINTENANCE

HYDRAULIC OIL LEVEL AND CHANGE

Procedures for checking, adding, and changing hydraulic oil and filter.

ADJUSTMENTS

SEAT AND STEERING LEVER ADJUSTMENTS

STEERING AND TRACKING ADJUSTMENTS

PARKING BRAKE AND DECK ADJUSTMENTS

MOWER DECK INSTALLATION

ADJUST MOWER DECK

LEVELING THE MOWER DECK

Procedure to ensure the mower deck is level for consistent cutting height.

SETTING MOWER DECK BLADE PITCH

Adjusting blade pitch for optimal cutting performance and grass handling.

TROUBLESHOOTING

ENGINE AND DRIVE SYSTEM ISSUES

Troubleshooting common engine, drive, and PTO malfunctions.

TRACKING, CUTTING QUALITY, AND SPECIFICATIONS

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