Ferris 5900605 User Manual

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5100792

Revision 01

Rev. Date: 9/2006

TP 100-7305-01-15-F

Ferris Industries

5375 North Main Street

Munnsville, NY 13409

800-933-6175

IS1500Z Series

Zero-Turn Riding Mower

OPERATOR’S

MANUAL

Model Number: Description

5900605 IS1500ZKAV1944, 19HP, 44” Cut Zero-Turn Riding Mower

5900606 IS1500ZKAV2148, 21HP, 48” Cut Zero-Turn Riding Mower

5900607 IS1500ZKAV2552, 25HP, 52” Cut Zero-Turn Riding Mower

Table of Contents

Questions and Answers:

B
brandimckenzieAug 22, 2025
What to do if my Ferris 5900605 is scalping the lawn?
- J
  John ChaneyAug 22, 2025
  If your Ferris Lawn Mower is scalping your lawn, it could be due to several reasons: * The lawn might be uneven or bumpy: Roll or level the lawn. * The mower deck cutting height might be set too low: Raise the cutting height. * The ground speed might be too fast: Slow down. * The deck might not be leveled correctly: Correctly level the deck. * The tire pressure might be low or uneven: Check and inflate the tires.
M
Megan AshleyAug 25, 2025
How to fix streaking with Ferris 5900605?
- S
  Sheila CookAug 25, 2025
  If your Ferris Lawn Mower is leaving streaks, here are some possible reasons and solutions: * The blades might not be sharp: Sharpen your blades. * The blades might be worn down too far: Replace your blades. * The engine speed might be too slow: Always mow at full throttle. * The ground speed might be too fast: Slow down. * The deck might be plugged with grass: Clean out the mower. * You might not be overlapping cutting rows enough: Overlap your cutting rows. * You might not be overlapping enough when turning: Overlap more when turning, as the effective cutting width decreases during turns.
G
garymooneyAug 26, 2025
Why is the exhaust black on my Ferris Lawn Mower?
- N
  Nicole AdamsAug 27, 2025
  If your Ferris Lawn Mower engine exhaust is black, it could be due to: * A dirty air filter: Replace the air filter. See the engine manual for instructions. * The engine choke control being in the closed position: Open the choke control.
G
Grant JenningsAug 27, 2025
How to solve stepped cutting with Ferris 5900605?
- A
  Alexis WrightAug 27, 2025
  If your Ferris Lawn Mower is producing stepped cutting, here are a few things to check: * The deck might not be leveled correctly: Level the deck correctly. * The tires might not be properly inflated: Check and inflate the tires. * The blades might be damaged: Replace the blades. * The deck shell might be damaged: Repair or replace the deck. * The mower spindle might be bent or loose: Repair or replace the spindle. * The blades might be installed incorrectly: Reinstall the blades correctly.
B
Brian ScottAug 29, 2025
What causes uneven cutting with Ferris Lawn Mower?
- D
  Debbie YangAug 29, 2025
  If your Ferris Lawn Mower is cutting unevenly, consider the following: * The deck might not be leveled correctly: Level the deck correctly. * The blades might be dull or worn: Sharpen or replace the blades. * The blades might be damaged: Replace the blades. * The deck might be clogged with grass clippings: Clean out the deck. * The deck shell might be damaged: Repair or replace the deck. * The mower spindle might be bent or loose: Repair or replace the spindle. * The blades might be installed incorrectly: Reinstall the blades correctly. * The tires might not be properly inflated: Check and inflate the tires.
M
Matthew MurphyAug 31, 2025
Why is my Ferris 5900605 engine knocking?
- M
  Mrs. Annette PooleAug 31, 2025
  If your Ferris Lawn Mower engine is knocking, it could be due to: * Low oil level: Check and add oil as required. * Using the wrong grade of oil: Consult the engine manual for the correct type.
J
Jennifer LopezSep 2, 2025
How do I prevent stingers with my Ferris 5900605 Lawn Mower?
- D
  Duane DouglasSep 2, 2025
  If your Ferris Lawn Mower is leaving stingers, check these: * Blades are not sharp or nicked: Sharpen your blades. * Blades are worn down too far: Replace your blades. * Engine speed is too slow: Always mow at full throttle. * Ground speed is too fast: Slow down. * Deck is plugged with grass: Clean out the mower.
S
Sydney ChaseSep 4, 2025
What to do if my Ferris 5900605 won't drive?
- M
  mary40Sep 4, 2025
  If your Ferris Lawn Mower rider won't drive, check these items: * The hydraulic release valve(s) might be in the "open" position: Turn the valve(s) clockwise to close them. * The belt might be broken: See Drive Belt Replacement. * The drive belt might be slipping: See the problem and cause below. * The brake might not be fully released: See authorized service dealer.
D
davisjeffreySep 5, 2025
Why is the drive belt slipping on my Ferris Lawn Mower?
- C
  Christopher MortonSep 5, 2025
  If your Ferris Lawn Mower rider drive belt is slipping, it might be because: * The pulleys or belt are greasy or oily: Clean as required. * The tension is too loose: Adjust the spring tension. See Drive Belt Replacement. * The belt is stretched or worn: Replace the belt.
L
Linda RoweSep 7, 2025
Why is my Ferris 5900605 Lawn Mower vibrating so much?
- A
  Angelica LeeSep 7, 2025
  If your Ferris Lawn Mower is vibrating excessively, check the following: * Blade mounting bolts are loose: Tighten to 70 ft.lbs. (94 N.m.). * Mower blades, arbors, or pulleys are bent: Check and replace as necessary. * Mower blades are out of balance: Remove, sharpen, and balance blades. See Maintenance Section. * Belt installed incorrectly: Reinstall Correctly.

Ferris 5900605 Specifications

General

Brand	Ferris
Model	5900605
Category	Lawn Mower
Language	English

Summary

Safety Rules & Information

Operating Safety

General guidelines and warnings for safe operation of the equipment.

Children Safety

Precautions to protect children from hazards related to the mower.

Features & Controls

Control Functions

Describes the function of individual controls for operation.

Regular Maintenance

Maintenance Schedule

Recommended service intervals for various components.

Check Tire Pressures

How to check and maintain correct tire inflation levels.

Troubleshooting

Troubleshooting the Rider

Common problems and remedies for the riding unit.

Troubleshooting Adjustments

Seat Adjustment

How to adjust the operator's seat for comfort.

Ground Speed Control Lever Adjustment

Adjusting the ground speed control levers for proper alignment and spacing.

Speed Balancing Adjustment

Adjusting levers to ensure balanced top speed for straight travel.

Troubleshooting Clutch & Brake Checks

PTO Clutch Adjustment

Procedure for adjusting the PTO clutch for proper engagement.

Blade Brake Check

Verifying the mower blade stopping time.

Troubleshooting Battery

Battery Service

Procedures for checking, charging, and jump-starting the battery.

Checking Battery Voltage

How to use a voltmeter to check battery voltage.

Charging a Completely Discharged Battery

Steps for safely charging a dead battery.

Jump Starting With Auxiliary (Booster) Battery

Guidelines for safely jump-starting the mower.

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