Simplicity ZT Series User manual

Brand: Simplicity

Model: ZT Series

Category: Lawnmowers

Type: User manual

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OPERATOR’S

MANUAL

ZT Series

14HP Riders

Mfg. No. Description

1693467 Zero Turn, 14HP Hydro

1693469 Zero Turn, 14HP Hydro

1693471 Zero Turn, 14HP Hydro

1693290 Zero Turn, 14HP Hydro (Export)

16HP Riders

Mfg. No. Description

1693473 Zero Turn, 16HP Hydro

1693475 Zero Turn, 16HP Hydro

1693477 Zero Turn, 16HP Hydro

1693480 Zero Turn, 16HP Hydro (Export)

1694083 Zero Turn, 16HP Hydro

1694084 Zero Turn, 16HP Hydro

1694085 Zero Turn, 16HP Hydro

18HP Riders

Mfg. No. Description

1693230 Zero Turn, 18HP Hydro

1693232 Zero Turn, 18HP Hydro

1693234 Zero Turn, 18HP Hydro

1693294 Zero Turn, 18HP Hydro (Export)

38” Mower Decks

Mfg. No. Description

1692912 38” Mower Deck

1692913 38” Mower Deck

1693719 38” Mower Deck (Export)

1693825 38” Mower Deck

1693826 38” Mower Deck

1694086 38” Mower Deck

44” Mower Decks

Mfg. No. Description

1692914 44” Mower Deck

1692915 44” Mower Deck

1693720 44” Mower Deck (Export)

1693827 44” Mower Deck

1693828 44” Mower Deck

1694087 44” Mower Deck

50” Mower Decks

Mfg. No. Description

1693235 50” Mower Deck

1693236 50” Mower Deck

1693721 50” Mower Deck (Export)

1694088 50” Mower Deck

1719527-07

(Supercedes 1719528 & 1719529)

Rev 4/2003

TP 100-2200-07-ZT-SMA

MANUFACTURING, INC.

500 N Spring Street / PO Box 997

Port Washington, WI 53074-0997

www.simplicitymfg.com

Table of Contents

Troubleshooting, Adjustments & Service .......21

Troubleshooting the Rider.....................................21

Troubleshooting the Mower ..................................22

Seat Adjustment....................................................23

Top Speed Adjustment .........................................23

Brake Adjustment..................................................23

Mower Adjustments ..............................................24

Blade Brake Check ...............................................26

Mower Belt Replacement......................................26

Rider Drive Belt Replacement...............................27

Battery Service......................................................28

Checking the Battery Voltage ...........................28

Charging A Completely

Discharged Battery .......................................28

Jump Starting with

Auxiliary (Booster) Battery ............................28

Specifications ....................................................30

Parts & Accessories..........................................32

Lawn Care & Mowing Information .............LC—1

International Symbols ................................LC—8

Technical Manuals ......................................LC—8

NOTE: In this manual, “left” and “right” are referred to as

seen from the operating position.

Identification Numbers........................................2

Safety Rules & Information.................................3

Features & Controls ............................................6

Control Functions....................................................6

Safety Interlock System ..........................................7

Operating the Zero Turn Rider ...........................8

General ...................................................................8

Checks Before Starting ...........................................8

Starting The Engine ................................................9

Stopping the Rider ..................................................9

Pushing the Rider by Hand ....................................9

Zero Turn Driving Practice ....................................10

Mower Installation & Removal ..............................12

Adjusting Mower Cutting Height............................14

Storage .................................................................15

Regular Maintenance ........................................16

Maintenance Schedule .........................................16

Checking Tire Pressures.......................................16

Checking/Adding Fuel...........................................17

Fuel Filter ..............................................................17

Oil & Filter Change................................................17

Check / Change Air FIlter......................................17

Replace Spark Plug ..............................................17

Check Transmission Oil Level ..............................17

Lubrication ............................................................18

Battery Maintenance .............................................19

Checking Battery Fluid..................................19

Cleaning the Battery and Cables ..................19

Servicing the Mower Blades .................................20

WARNING

Engine exhaust from this product contains

chemicals known, in certain quantities, to cause

cancer, birth defects, or other reproductive harm.

Identification

Numbers

169XXXX

MFG

Simplicity Manufacturing, Inc.

Port Washington, WI 53074-0997 U.S.A.

SERIAL

XXXXX

Mower Deck

Identification Tag

Unit

Identification Tag

SSAAMMPPLLEE

When contacting your Authorized

Dealer for replacement parts, service,

or information Y

OU MUST HAVE

THESE NUMBERS.

IDENTIFICATION NUMBERS

Record your model name/number, unit and mower deck

manufacturer numbers and engine serial number in the

space provided for easy reference.

• The Unit I.D. tag is located on the left-side, of the

frame, as shown below.

• The Mower Deck I.D. tag is also on the left side, on

top of the mower deck.

• For location of Engine Serial Number, refer to the

Engine Owner’s Manual.

Be sure to fill out and return the Warranty Registration

Card supplied with your unit.

IDENTIFICATION TAG LOCATIONS

ENGINE REFERENCE DATA

Model Description Name/Number

Unit MFG Number

PRODUCT REFERENCE DATA

Unit SERIAL

Number

Dealer Name

Date Purchased

Engine Make

Engine Type/Spec

Engine Model

Engine Code/Serial Number

Mower Deck MFG Number

Mower Deck SERIAL

Number

GENERAL OPERATION

• Read, understand, and follow all instructions in the manual and on

the unit before starting.

• Only allow responsible adults, who are familiar with the instruc-

tions, to operate the unit (local regulations can restrict operator

age).

• Clear the area of objects such as rocks, toys, wire, etc., which

could be picked up and thrown by the blade(s).

• Be sure the area is clear of other people before mowing. Stop unit

if anyone enters the area.

• Never carry passengers.

• Do not mow in reverse unless absolutely necessary. Always look

down and behind before and while travelling in reverse.

• Be aware of the mower discharge direction and do not point it at

anyone. Do not operate the mower without either the entire grass

catcher or the deflector in place.

• Slow down before turning.

• Never leave a running unit unattended. Always disengage the

PTO, set parking brake, stop engine, and remove keys before dis-

mounting.

• Turn off the PTO switch to disengage the blades when not mowing.

• Stop engine before removing grass catcher or unclogging chute.

• Mow only in daylight or good artificial light.

• Do not operate the unit while under the influence of alcohol or

drugs.

• Watch for traffic when operating near or crossing roadways.

• Use extra care when loading or unloading the unit into a trailer or

truck.

• Data indicates that operators, age 60 years and above, are

involved in a large percentage of riding mower-related injuries.

These operators should evaluate their ability to operate the riding

mower safely enough to protect themselves and others from injury.

• Keep in mind the operator is responsible for accidents occurring to

other people or property.

• All drivers should seek and obtain professional and practical

instruction.

• Always wear substantial footwear and trousers. Never operate

when barefoot or wearing sandals.

• Before using, always visually check that the blades and blade hard-

ware are present, in-tact, and secure. Replace worn or damaged

parts.

• Never operate the machine with defective guards, or without safety

protective devises in place.

• Disengage attachments before: refuelling, removing an attachment,

making adjustments (unless the adjustment can be made from the

operator’s position).

• When the machine is parked, stored, or left unattended, lower the

cutting means unless a positive mechanical lock is used.

• Follow the manufacturer’s recommendation for wheel weights or

counterweights.

SLOPE OPERATION

Slopes are a major factor related to loss-of-control and tip-over accidents,

which can result in severe injury or death. All slopes require extra caution.

If you cannot back up the slope or if you feel uneasy on it, do not operate

on it.

Control of a ride-on machine sliding on a slope will not be regained by the

application of the brake. The main reasons for loss of control are: insuffi-

cient tire grip on the ground, speed too fast, inadequate braking, the type

of machine is unsuitable for it’s task, lack of awareness of the ground con-

ditions, incorrect hitching and load distribution.

Read these safety rules and follow them closely. Failure to obey these rules could result in loss of control

of unit, severe personal injury or death to you, or bystanders, or damage to property or equipment.

This mowing deck is capable of amputating hands and feet and throwing objects.

The triangle in text signifies important cautions or warnings which must be followed.

Safety Rules & Information

WARNING

Never operate on slopes greater than 17.6 percent

(10°) which is a rise of 3-1/2 feet (106 cm) vertically in

20 feet (607 cm) horizontally.

When operating on slopes use additional wheel

weights or counterweights. See your dealer to

determine which weights are available and

appropriate for your unit.

Select slow ground speed before driving onto slope.

In addition to front and rear weights, use extra caution

when operating on slopes with rear-mounted grass

catcher.

Mow UP and DOWN the slope, never across the

face, use caution when changing directions and DO

NOT START OR STOP ON SLOPE.

• See your authorized dealer for recommendations of wheel weights

or counterweights to improve stability.

• Mow up and down slopes, not across.

• Remove obstacles such as rocks, tree limbs, etc.

• Watch for holes, ruts, or bumps. Uneven terrain could overturn the

unit. Tall grass can hide obstacles.

• Use slow speed. Tires may lose traction on slopes even through

the brakes are functioning properly. Choose a low gear so that you

will not have to stop or shift while on the slope.

• Use extra care with grass catchers or other attachments. These

can change the stability of the unit.

• Keep all movement on the slopes slow and gradual. Do not make

sudden changes in speed or direction.

• Always keep unit in gear especially when traveling downhill. When

clutching, release clutch slowly.

Do Not

• Do not start or stop on a slope. If tires lose traction, disengage the

blade(s) and proceed slowly straight down the slope.

• Do not turn on slopes unless necessary, and then, turn slowly and

gradually downhill, if possible.

• Do not mow near drop-offs, ditches, or embankments. The mower

could suddenly turn over if a wheel is over the edge of a cliff or

ditch, or if an edge caves in.

• Do not mow on wet grass. Reduced traction could cause sliding.

• Do not try to stabilize the unit by putting your foot on the ground.

• Do not use grass catchers on steep slopes.

• Do not mow slopes you cannot back up.

• Do not shift to neutral and coast down hill.

Safety Rules

Slope Operation Continued

Children

Tragic accidents can occur if the operator is not alert to the presence of

children. Children are often attracted to the unit and the mowing activity.

Never assume that children will remain where you last saw them.

• Keep children out of the mowing area and under the watchful care

of another responsible adult.

• Be alert and turn unit off if children enter the area.

• Before and during reverse operation, look behind and down for

small children.

• Never carry children. They may fall off and be seriously injured or

interfere with safe unit operation.

• Never allow children to operate the unit.

• Use extra care when approaching blind corners, shrubs, trees, or

other objects that may obscure vision.

TOWING

• Never allow children or others in or on towed equipment.

• Tow only with a machine that has a hitch designed for towing. Do

not attach towed equipment except at the hitch point.

• Follow the manufacturer’s recommendations for weight limit for

towed equipment and towing on slopes.

• On slopes, the weight of the towed equipment may cause loss of

traction and loss of control.

• Travel slowly and allow extra distance to stop.

• Do not shift to neutral and coast down hill.

TRANSPORTING AND STORAGE

• Always observe safe refueling and fuel handling practices when

refueling the tractor after transportation or storage.

• Always follow the engine manual instructions for storage prepara-

tions before storing the tractor for both short and long term periods.

• Always follow the engine manual instructions for proper start-up

procedures when returning the unit to service.

• Never store the unit or fuel container inside where there is an open

flame or pilot light, such as in a water heater. Allow unit to cool

before storing.

EMISSIONS

• Engine exhaust from this product contains chemicals known, in

certain quantities, to cause cancer, birth defects, or other repro-

ductive harm.

• Look for the relevant Emissions Durability Period and Air Index

information on the engine emissions label.

WARNING

When transporting this tractor on an open trailer,

make sure unit is facing forward, toward the direction

of travel. If tractor is facing backward, wind lift could

cause damage to the hood.

SERVICE AND MAINTENANCE

• Use extra care in handling gasoline and other fuels. They are flam-

mable and vapors are explosive.

a) Use only an approved container.

b) Never remove gas cap or add fuel with the

engine running. Allow engine to cool before refueling. Do not

smoke.

c) Never refuel the unit indoors.

• If fuel is spilled, do not attempt to start the engine but move the

machine away from the area of spillage and avoid creating any

source of ignition until petrol vapors have dissipated.

• Replace all fuel tank caps and fuel container caps securely.

• Never fill containers inside a vehicle or on a truck bed with a plastic

bed liner. Always place containers on the ground away from your

vehicle before filling.

• Remove gas-powered equipment from the truck or trailer and refuel

it on the ground. If this is not possible, then refuel such equipment

on a trailer with a portable container, rather than from a gasoline

dispenser nozzle.

• Keep nozzle in contact with the rim of the fuel tank or container

opening at all times until fueling is complete. Do not use a nozzle

lock-open device.

• If fuel is spilled on clothing, change clothing immediately.

• Maintain or replace safety and instruction labels as necessary.

• Never run a unit in an enclosed area.

• Keep nuts and bolts, especially blade attachment bolts, tight and

keep equipment in good condition.

• Never tamper with safety devices. Check their proper operation

regularly and make necessary repairs if they are not functioning

properly.

• Keep unit free of grass, leaves, or other debris build-up. Clean up

oil or fuel spillage.

• Stop and inspect the equipment if you strike an object. Repair, if

necessary, before restarting.

• Never make adjustments or repairs with the engine running unless

specified otherwise in the engine manufacturer’s manual.

• Grass catcher components are subject to wear, damage, and dete-

rioration, which could expose moving parts or allow objects to be

thrown. Frequently check components and replace with manufac-

turer’s recommended parts, when necessary.

• Mower blades are sharp and can cut. Wrap the blade(s) or wear

gloves, and use extra caution when servicing them.

• Check brake operation frequently. Adjust and service as required.

• Use only factory authorized replacement parts when making

repairs.

• Always comply with factory specifications on all settings and

adjustments.

• Only authorized service locations should be utilized for major ser-

vice and repair requirements.

• Never attempt to make major repairs on this unit unless you have

been properly trained. Improper service procedures can result in

hazardous operation, equipment damage and voiding of manufac-

turer’s warranty.

• On multiple blade mowers, take care as rotating one blade can

cause other blades to rotate.

• Do not change engine governor settings or over-speed the engine.

Operating the engine at excessive speed can increase the hazard

of personal injury.

• Disengage drive attachments, stop the engine, remove the key,

and disconnect the spark plug wire(s) before: clearing attachment

blockages and chutes, performing service work, striking an object,

or if the unit vibrates abnormally. After striking an object, inspect

the machine for damage and make repairs before restarting and

operating the equipment.

• Never place hands near the hydro pump cooling fan when the trac-

tor is running. Cooling fan is located on top of the transaxle

Safety Decals

SAFETY DECALS

This unit has been designed and manufactured to pro-

vide you with the safety and reliability you would expect

from an industry leader in outdoor power equipment

manufacturing.

Although reading this manual and the safety instructions

it contains will provide you with the necessary basic

knowledge to operate this equipment safely and effec-

tively, we have placed several safety labels on the unit to

remind you of this important information while you are

operating your unit.

All DANGER, WARNING, CAUTION and instructional

messages on your rider and mower should be carefully

read and obeyed. Personal bodily injury can result when

these instructions are not followed. The information is for

your safety and it is important! The safety decals below

are on your rider and mower.

If any of these decals are lost or damaged, replace them

at once. See your local dealer for replacements.

These labels are easily applied and will act as a constant

visual reminder to you, and others who may use the

equipment, to follow the safety instructions necessary for

safe, effective operation.

DANGER

ROTATING CUTTING BLADE

Do not put hands or feet

under mower deck while

blade is rotating.

1704276

DANGER

ROTATING CUTTING BLADE

Do not operate mower

without deflector or entire

grass catcher in place.

1704277

Decal - Danger

Part No. 1704276

Decal - Danger

Part No. 1704277

AVOID SERIOUS INJURY OR DEATH

• READ OPERATOR'S MANUAL(S).

• KNOW LOCATION AND FUNCTION OF ALL CONTROLS.

• KEEP SAFETY DEVICES (GUARDS, SHIELDS, &

SWITCHES) IN PLACE AND WORKING.

• REMOVE OBJECTS THAT COULD BE THROWN BY

THE BLADE.

• DO NOT MOW WHEN CHILDREN OR OTHERS

ARE AROUND.

• NEVER CARRY CHILDREN.

• LOOK DOWN AND BEHIND—BEFORE AND WHILE

BACKING.

• AVOID SUDDEN TURNS.

• IF YOU CANNOT BACK UP A HILL

— DO NOT OPERATE ON IT.

• GO UP AND DOWN SLOPES, NOT ACROSS.

• IF MACHINE STOPS GOING UPHILL, STOP BLADE

AND BACK DOWN SLOWLY.

• BE SURE BLADE(S) AND ENGINE ARE STOPPED

BEFORE PLACING HANDS OR FEET NEAR BLADE(S).

• WHEN LEAVING MACHINE, SHUT OFF ENGINE,

REMOVE KEY, AND SET PARKING BRAKE.

WARNING

DO NOT TOW UNIT!

Damage may result to

drive mechanism.

OPERATION

To Start Engine

• Seat must be occupied.

• Clutch/Brake pedal must

be depressed.

• PTO switch must be off.

Ignition Switch

OFF

RUN

START

Clutch/Brake

Pedal

Parking

Brake

Knob

Parking Brake

To Set Parking Brake

• Pull knob up while Clutch/Brake

pedal is depressed.

• Release Clutch/Brake pedal

while holding knob.

To Release Parking Brake

• Depress Clutch/Brake pedal.

• Push knob down while

Clutch/Brake pedal is depressed.

To Adjust Top Speed of Wheels

COLUMN KNOBS INDEPENDENTLY

CONTROL TOP SPEED OF

EACH WHEEL

• Turn knob clockwise to lower

top speed of a wheel.

• Turn knob counter-clockwise to

raise top speed of a wheel.

Lower speed of faster wheel until

vehicle travels in straight line when

both levers are in the MAXIMUM

forward position.

When Operator Leaves Seat

• Engine will shut off if Parking Brake is

not engaged.

• Engine will shut off if PTO switch is on.

PTO Switch

To Operate PTO clutch

• The operator must be in seat.

• To engage PTO, pull switch up.

• To disengage PTO, push switch down.

ROTATING BLADES

CUT OFF ARMS

AND LEGS

STOP MOWER WHEN

CHILDREN ARE NEAR.

NO RIDERS

— THEY FALL OFF.

DANGER

OPERATING ON

SLOPES CAN BE

DANGEROUS

SEE OPERATOR'S

MANUAL.

IF YOU CANNOT

BACK-UP A HILL

—DO NOT DRIVE ON IT.

1715993

Decal - Operating Instructions

Part No. 1715993

Features & Controls

of the Zero Turn Rider

A. Ground Speed Control Levers

These levers control the ground speed of the rider. The

left lever controls the left rear drive wheel and the right

controls the right rear drive wheel.

Moving a lever forward increases the FORWARD speed

of the associated wheel, and pulling back on a lever

increases the REVERSE speed.

Note: The further a lever is moved away from the neutral

position the faster the drive wheel will turn.

B. Top Speed Adjustment Knobs

These knobs independently control the top speed of the

left and right drive wheels, and are used to balance the

maximum forward lever positions. Turn a knob CLOCK-

WISE to lower the top speed of a wheel, and COUNTER-

CLOCKWISE to increase the top speed of a wheel.

C. Seat Adjustment Lever

The seat can be adjusted forward and back. Move the

lever to the LEFT, position the seat as desired, and

release the lever to lock the seat in position.

D. Ignition Switch

The ignition switch starts and stops the engine, it has

three positions:

OFF Stops the engine and shuts off the

electrical system.

RUN Allows the engine to run and powers the

electrical system.

START Cranks the engine for starting.

NOTE: Never leave the ignition switch in the RUN posi-

tion with the engine stopped–this drains the battery.

CONTROL FUNCTIONS

Please take a moment and familiarize yourself with the name, location, and function of these controls so that

you will better understand the safety and operating instructions provided in this manual.

The information below briefly describes the function of individual controls. Starting, stopping, driving, and mowing

require the combined use of several controls applied in specific sequences. To learn what combination and sequence

of controls to use for various tasks see the OPERATION section.

Figure 1. 14HP & 16HP Rider & Mower Controls

(Seen from Operator’s Position)

A. Ground Speed Control Levers

B. Top Speed Adjustment Knobs

C. Seat Adjustment Lever

D. Ignition Switch

E. Parking Brake Knob

F. Clutch/Brake Pedal

G. PTO (Electric Clutch) Switch

H. Mower Height Adjuster

I. Throttle Control

J. Choke Control (18HP Only)

K. Headlight Switch (18HP Only)

14HP & 16HP Models

18HP Models

Figure 2. 18HP Rider & Mower Controls

(Seen from Operator’s Position)

E. Parking Brake Knob

The parking brake is applied by fully depressing the

clutch/brake pedal and then pulling UP on the parking

brake knob. To release the parking brake, fully depress

the clutch/brake pedal, and push the knob DOWN.

F. Clutch/Brake Pedal

Depressing the clutch/brake pedal disengages the trans-

missions and applies the brake.

G. PTO (Power Take Off) Switch

The PTO switch engages and disengages the mower.

Pull OUT on the switch to engage, and push IN to disen-

gage.

H. Mower Height Adjuster

This controls the cutting height of the mower deck.

Later 14HP & 16HP Models: Pull back on the lift lever

and depress release button. Move the lever to the

desired height and release the lever.

Early 14HP & 16HP Models: Move this lever to the

LEFT and then into the desired cutting height position.

Moving the lever FORWARD decreases the cutting

height, and BACK increases the cutting height.

18HP Models: Turn the knob clockwise to raise the cut-

ting height and counter clockwise to lower it.

I & J. Throttle / Choke Control

14HP & 16HP Models have a combined throttle / choke

control (I, see Figure 1). Moving the throttle / choke con-

trol fully forward chokes the engine for cold starts. (A

warm engine may not require choking.) The first “notch”

position back from choke position is FULL throttle.

Always operate the unit at FULL throttle.

18HP Models have separate throttle and choke controls

(I & J, see Figure 2). Pulling the round choke control

knob (J) out fully chokes the engine for cold starts. (A

warm engine may not require choking.) Moving the

throttle control (I) fully forward is FULL throttle position.

Always operate the unit at FULL throttle.

K. Headlight Switch

18HP Models Only: Turn the switch ON to light the front

headlight.

Features & Controls

SAFETY

INTERLOCK SYSTEM

This unit is equipped with safety interlock switches

and other safety devices. These safety systems are

present for your safety, do not attempt to bypass

safety switches, and never tamper with safety

devices. Check their operation regularly.

Operational SAFETY Checks

Your unit is equipped with a seat switch safety sys-

tem. Check the seat switch operation every fall and

spring with the following tests.

Test 1 — Engine should NOT crank if any of the

following conditions exist:

• PTO switch is engaged (ON), OR

• Clutch/brake pedal is NOT fully depressed.

Test 2 — Engine SHOULD crank if ALL of the

following conditions are met:

• PTO switch is NOT engaged, AND

• Clutch/brake pedal IS fully depressed.

Test 3 — Engine should SHUT OFF if any of the

following conditions exist:

• Operator rises off seat with transmission control

levers out of the neutral gate AND clutch/brake

pedal NOT depressed, OR

• Operator rises off seat with clutch/brake pedal

NOT fully depressed, OR

• Operator rises off seat with PTO engaged.

Test 4 — Blade Brake Check

Mower blades and mower drive belt should come to

a complete stop within five seconds after electric

PTO switch is turned off (or operator rises off seat).

If mower drive belt does not stop within five sec-

onds, see your dealer.

NOTE: Once the engine has stopped, PTO switch

must be turned off after operator returns to the seat

in order to start the engine.

WARNING

If the unit does not pass a safety test, do not

operate it. See your authorized dealer. Under

no circumstance should you attempt to defeat

the purpose of the safety interlock system.

GENERAL OPERATING SAFETY

Before first time operation:

• Be sure to read all information in the Safety and

Operation sections before attempting to operate this

rider and mower.

• Become familiar with all of the controls and how to

stop the unit.

• Drive in an open area without mowing to become

accustomed to the unit.

Operating

the Zero Turn Rider

DANGER

OPERATING ON SLOPES

CAN BE DANGEROUS

Never operate on slopes greater than 17.6% (10°)

which is a rise of 3-1/2 feet vertically in 20 feet

horizontally.

Operate the rider at a slow ground speed when

driving onto slope.

This unit is equipped with standard rear

counterweights - DO NOT OPERATE THE UNIT

WITHOUT THESE COUNTERWEIGHT IN PLACE.

In addition to counterweights, use extra caution

when operating on slopes with rear-mounted

grass catcher. Mow UP and DOWN the slope,

never across the face, use caution when

changing directions and DO NOT START OR

STOP ON SLOPE.

WARNING

Never allow passengers to ride on the unit.

Before leaving the operator’s position for any

reason, engage the parking brake, disengage the

PTO, stop the engine and remove the key.

To reduce fire hazard, keep the engine, rider and

mower free of grass, leaves and excess grease.

Do not stop or park rider over dry leaves, grass or

combustible materials.

Gasoline is highly flammable and must be

handled with care. Never fill the tank when the

engine is still hot from recent operation. Do not

allow open flame, smoking or matches in the

area. Avoid over-filling and wipe up any spills.

CHECKS BEFORE STARTING

• Check that crankcase is filled to full mark on dipstick.

See the engine Operator’s Manual for instructions

and oil recommendations.

• Make sure all nuts, bolts, screws and pins are in

place and tight.

• Adjust the seat position, and make certain you can

reach all controls from operator’s position.

• Fill the gasoline tank with fresh gasoline. Refer to

engine manual for gasoline recommendations.

• Make certain rear counterweights (see Figure 3) are

installed at all times, and use extra caution if you will

be operating the unit on sloping ground.

Figure 3. Engine Access & Rear Weights

A. Fuel Tank

B. Rear Counterweights (ALL Models)

C. Outer Counterweights (18HP Models Only)

Lift Deck

to access

Engine

NOTE: All models use two block-shaped rear weights

mounted under the rear frame (see bottom of Figure 3).

18HP models use two additional wrap-around weights

(see top of Figure 3) bolted into the back of the transmis-

sion carrier.

Operating the Zero Turn Rider

Figure 4. 14HP & 16HP Rider & Mower Controls

STARTING THE ENGINE

1. While sitting in the operator seat, fully depress the

clutch/brake pedal or set the parking brake.

NOTE: A warm engine may not require choking.

14HP & 16HP Models — Set engine throttle control

(H, Figure 4) all the way up to CHOKE.

18HP Models — Set engine throttle control (H,

Figure 5) to FULL throttle position. Then fully close

the choke (J, Figure 5) by pulling the knob OUT fully.

3. Disengage the PTO by pushing the PTO switch all

the way down (G, Figure 3)

4. Insert the key into the ignition switch (D, Figure 4)

and turn it to START.

14HP & 16HP Models

5. 14HP & 16HP Models — After the engine starts,

move the engine throttle control (H, Fig. 4) to SLOW.

18HP Models — After the engine starts, gradually

open the choke (push knob down fully).

Warm up the engine by running it for at least a minute before

engaging the PTO switch or driving the rider.

6. After warming up the engine, ALWAYS operate

the unit at FULL THROTTLE when mowing.

In the event of an emergency the engine can be stopped by

simply turning the ignition switch to STOP. Use this

method only in emergency situations. For normal engine shut

down follow the procedure given in STOPPING THE RIDER.

Figure 5. 18HP Rider & Mower Controls

A. Ground Speed Control Levers

B. Top Speed Adjustment Knobs

C. Seat Adjustment Lever

D. Ignition Switch

E. Parking Brake Knob

F. Clutch/Brake Pedal

G. PTO (Electric Clutch) Switch

H. Throttle/Choke Control

I. Mower Height Adjuster

A. Ground Speed Control Levers

B. Top Speed Adjustment Knob

C. Seat Adjustment Lever

D. Ignition Switch

E. Parking Brake Knob

F. Clutch/Brake Pedal

G. PTO (Electric Clutch) Switch

H. Throttle Control

I. Mower Height Adjuster

J. Choke Control

Figure 6. Hydro Transmission Release Levers

A. Left Lever (shown in DRIVE position)

B. Right Lever (shown in PUSH position)

14HP & 16HP Models

18HP Models

PUSHING THE RIDER BY HAND

1. Disengage the PTO, engage the parking brake, turn

the ignition OFF, and remove the key.

2. Disengage the transmissions by moving both release

levers from engaged position(A, Figure 6) to released

position (B). The release levers are located in the

back of the unit between the rear weights (see Figure

4). BOTH release levers must be pulled fully rear-

ward and down to push the rider by hand.

NOTE: To drive the rider BOTH release levers must be moved

completely forward to engage the transmissions.

DO NOT TOW RIDER

Towing the unit will cause transmission damage.

Do not use another vehicle to push or pull this unit.

STOPPING THE RIDER

1. Returning the ground speed control levers (A, Figure 3)

to the middle positions will stop rider movement. For

emergency stopping depress the clutch/brake

pedal (see F, Figures 4-5).

2. Disengage the PTO by pushing down on the PTO

switch (See G, Figures 4-5).

3. Set engine throttle control (H, Figures 4-5) to mid-

throttle position and turn the ignition key to OFF.

Remove the key.

NOTE: Stopping the engine at any speed other than MID-

to-FULL positions can cause engine damage. Do NOT stop

the engine with the throttle control in the IDLE position.

Operating the Zero Turn Rider

ZERO TURN

DRIVING PRACTICE

The lever controls of the Zero Turn rider are

responsive

and learning to gain a

smooth

and

efficient

control of the

rider’s forward, reverse, and turning movements will take

some practice.

Spending some time going through the maneuvers

shown and becoming familiar with how the unit acceler-

ates, travels, and steers — before you begin mowing —

is absolutely essential to getting the most out of the Zero

Turn rider.

Locate a smooth, flat area of your lawn — one with

plenty of room to maneuver. (Clear the area of objects,

people and animals before you begin.) Operate the unit

at mid-throttle during this practice session (ALWAYS

operate at full throttle when mowing), and turn slowly to

prevent tire slippage and damage to your lawn.

We suggest you begin with the Smooth Travel proce-

dure to the right, and then advance through the forward,

reverse, and turning maneuvers.

Smooth Travel

The lever controls of the

Zero Turn rider are

RESPONSIVE

The BEST method of

handling the ground

speed control levers is in

three steps — as shown

in Figure 7.

FIRST place the palms of

your hands onto the

levers as shown.

SECOND, to go forward

gradually push the levers

toward the console with

your palms.

THIRD, to speed up

move the levers farther

forward. To slow down

smoothly, loosen your

grip on the console and

allow the levers to return

toward neutral.

Figure 8. Forward Travel

Figure 9. Reverse Travel

Figure 7. Move Control

Levers Gradually.

Forward Travel Practice

Gradually move both ground speed control levers —

evenly FORWARD from neutral. Slow down and repeat.

NOTE: Straight forward travel takes practice. If neces-

sary, top speed can be balance-adjusted — see the Top

Speed Adjustment Knobs in the Adjustments section

near the back of this manual.

Reverse Travel Practice

LOOK DOWN & BEHIND, then gradually move both

ground speed control levers evenly BACK from neutral.

Slow down and repeat.

NOTE: Practice backing up for several minutes before

attempting to do so near objects. The rider turns sharply

in reverse as well as forward, and backing up straight

takes practice.

WARNING

Make certain the area of operation, and especially

the direction of travel is clear of objects, people

and animals.

Always look DOWN AND BEHIND before backing!

BASIC DRIVING

❶

❷

❸

Forward

Travel

Reverse

Travel

Operating the Zero Turn Rider

Figure 11. Turning in Place

Figure 10. Turning Around a Corner

Practice Turning Around a Corner

While traveling forward allow one handle to gradually

return back toward neutral. Repeat several times.

NOTE: To prevent pivoting directly on the tire tread, it is

best to keep both wheels going at least slightly forward.

Practice Turning In Place

To turn in place, “Zero Turn,” gradually move one ground

speed control lever forward from neutral and one lever

back from neutral simultaneously. Repeat several times.

NOTE: Changing the amount each lever is pulled—forward

or back, changes the “pivot point” you turn on.

ADVANCED DRIVING

Executing an

End-Of-Row Zero Turn

Your Zero Turn Rider’s unique ability to turn

in place allows you to turn around at the

end of a cutting row rather than having to

stop and Y-turn before starting a new row.

For example, to execute a right end-of row

Zero Turn:

1. Slow down at the end of the row.

2. Move the LEFT ground speed control

lever forward slightly while moving the

RIGHT ground speed control lever back

to center and then slightly back from

center.

3. Begin mowing forward again.

This technique turns the rider RIGHT and

slightly overlaps the row just cut —

eliminating the need to back up and re-cut

missed grass.

As you become more familiar and experi-

enced with operating the Zero Turn rider,

you will learn more maneuvers that will

make your mowing time easier and more

enjoyable.

Remember, the more you practice, the

better your control of the Zero Turn will be!

Figure 12. Executing an End-Of-Row Turn

Turning

In-Place

Executing

Turns

❶

❷

❸

Figure 13a. Mower Components (Later Models)

A. Mower Cutting Height C. Front Gauge Wheels

Adjustment Lever D. Mower Supports

B. Rear Gauge Wheel E. Idler Pulley Arm

MOWER DECK REMOVAL &

INSTALLATION

NOTE: Perform mower removal and installation on a

hard, level surface such as a concrete floor.

●●

38” & 44” Models

REMOVING THE MOWER DECK

1. Swing the front wheels out.

2. Place the mower height adjustment lever (A, Figures

13a & 13b) in the lowest cutting position.

3. Release tension on the drive belt using the Idler

Pulley Arm (E, Figures 13a & 13b) and release the

drive belt.

4. Disconnect the front hitch by pulling out on the

release rod (A, Figure 14) and lifting the mower hitch

(C, Figure 14) off the rider hitch bracket (B, Figure 14).

5. Slide the mower deck forward and out from under the

right side of the rider.

INSTALLING THE MOWER DECK

1. Swing the front wheels out.

2. Place the mower height adjustment lever (A, Figures

13a & 13b) in the lowest cutting position.

3. Slide the mower deck under the right side of the rider,

and then back, making certain the mower supports

(D, Figures 13a & 13b) are properly located onto the

rider support plates (D, Figure 14).

4. Connect the mower hitch to the front rider hitch by

pulling out on the release rod (See Figure 14).

5. Attach the drive belt.

Operating the Zero Turn Rider

Figure 14. Mower Hitch Components

A. Rider Hitch Bracket C. Mower Hitch

B. Release Rod D. Rider/Mower Supports

WARNING

Engage parking brake, disengage PTO, stop engine

and remove key before attempting to install or

remove the mower.

Figure 13b. Mower Components (Early Models)

A. Mower Cutting Height C. Front Gauge Wheels

Adjustment Lever D. Mower Supports

B. Rear Gauge Wheel E. Idler Pulley Arm

Figure 16. Mower Hitch Components

A. Rider Hitch Bracket C. Mower Hitch

B. Release Rod D. Rider/Mower Supports

NOTE: Perform mower removal and installation on a

hard, level surface such as a concrete floor.

●●

50” Models

REMOVING THE MOWER DECK

1. Swing the front wheels out.

2. Place the mower height adjustment knob (A, Figure

15) in the lowest cutting position.

3. Release tension on the drive belt using the Idler

Pulley Arm (E, Figure 15) and remove the drive belt.

4. Disconnect the front hitch by pulling out on the

release rod (A, Figure 16) and lifting the mower hitch

(C, Figure 16) off the rider hitch bracket (B, Figure 16).

5. Slide the mower deck forward.

6. Remove the safety clips (F, Figure 15) from the hitch

rod and leveling rod.

7. Remove the hitch rod and hitch (G, Figure 15) from

the mower deck.

8. Slide the mower deck forward and out from under the

right side of the rider.

INSTALLING THE MOWER DECK

1. Swing the front wheels out.

2. Place the mower height adjustment knob (A, Figure 16)

in the lowest cutting position.

3. Slide the mower deck under the right side of the rider,

and then back, making certain the mower supports

(D, Figure 16) are properly located onto the rider sup-

port plates (see D, Figure 15).

4. Attach the hitch to the mower using the hitch rod and

a safety clip (F, Figure 16).

5. Reattach the leveling rod and secure with a safety

clip (F, Figure 16).

6. Attach the drive belt.

7. Connect the mower hitch to the front rider hitch by

pulling out on the release rod (See Figure 15).

Figure 15. Mower Components (50” Deck Shown)

A. Mower Cutting Height D. Mower Supports

Adjustment Knob E. Idler Pulley Arm

B. Rear Gauge Wheel F. Safety Clips

C. Front Gauge Wheels G. Hitch

Operating the Zero Turn Rider

WARNING

Engage parking brake, disengage PTO, stop engine

and remove key before attempting to install or

remove the mower.

Operating the Zero Turn Rider

Figure 18. Cutting Height Adj. - 50” Decks

A. Mower Height Adjustment Knob

B. Gauge Wheels

ADJUSTING MOWER

CUTTING HEIGHT

●●

38” & 44” Mower Decks (Later Models)

The Mower Height Adjustment Lever (A, Figure 17a)

controls the cutting height of the mower deck. Pull back

on the lift lever and depress release button. Move the

lever to the desired height and release the button.

Moving the lever FORWARD decreases the cutting

height, and BACK raises the cutting height.

The front gauge wheels are used only to help prevent

scalping. The front gauge wheels are not adjustable.

●●

38” & 44” Mower Decks (Early Models)

The Mower Height Adjustment Lever (A, Figure 17b)

controls the cutting height of the mower deck. Move the

lever LEFT and then to the desired cutting height.

Moving the lever FORWARD decreases the cutting

height, and BACK raises the cutting height.

The front gauge wheels are used only to help prevent

scalping. The front gauge wheels are not adjustable.

●●

50” Mower Decks

The Mower Height Adjustment Knob (A, Figure 18) is

used to set the cutting height of the mower deck.

Turning the knob clockwise raises the cutting height.

Turning the knob counter-clockwise lowers the cutting

height.

The front gauge wheels are used only to help prevent

scalping. The front gauge wheels are not adjustable.

Figure 17a. Mower Components (Later Models)

A. Mower Height Adjustment Lever

B. Front Gauge Wheels

Figure 17b. Mower Components (Early Models)

A. Mower Cutting Height Adjustment Lever

B. Front Gauge Wheels

Operating the Zero Turn Rider

WARNING

Never store the unit, with gasoline in engine or

fuel tank, in a heated shelter or in enclosed,

poorly ventilated enclosures. Gasoline fumes may

reach an open flame, spark or pilot light (such as

a furnace, water heater, clothes dryer, etc.) and

cause an explosion.

Handle gasoline carefully. It is highly flammable

and careless use could result in serious fire

damage to your person or property.

Drain fuel into an approved container outdoors

away from open flame or sparks.

STORAGE

Temporary Storage (30 Days Or Less)

Remember, the fuel tank will still contain some gasoline, so

never store the unit indoors or in any other area where fuel

vapor could travel to any ignition source. Fuel vapor is also

toxic if inhaled, so never store the unit in any structure used

for human or animal habitation.

Here is a checklist of things to do when storing your unit

temporarily or in between uses:

• Keep the unit in an area away from where children may

come into contact with it. If there’s any chance of unau-

thorized use, remove the spark plug (s) and put in a

safe place. Be sure the spark plug opening is protected

from foreign objects with a suitable cover.

• If the unit can’t be stored on a reasonable level surface,

chock the wheels.

• Clean all grass and dirt from the mower.

Long Term Storage (Longer Than 30 Days)

Before you store your unit for the off-season, read the

Maintenance and Storage instructions in the Safety Rules

section, then perform the following steps:

1. Drain crankcase oil while engine is hot and refill with a

grade of oil that will be required when unit is used again.

2. Prepare the mower deck for storage as follows:

a. Remove mower deck from the unit.

b. Clean underside of mower deck.

c. Coat all bare metal surfaces with paint or light coat of

oil to prevent rusting.

3. Clean external surfaces and engine.

4. Prepare engine for storage. See engine owner’s

manual.

5. Clean any dirt or grass from cylinder head cooling fins,

engine housing and air cleaner element.

6. Cover air cleaner and exhaust outlet tightly with plastic

or other waterproof material to keep out moisture, dirt

and insects.

7. Completely grease and oil unit as outlined in the Normal

Care section.

8. Clean up unit and apply paint or rust preventative to any

areas where paint is chipped or damaged.

9. Be sure the battery is filled to the proper level with water

and is fully charged. Battery life will be increased if it is

removed, put in a cool, dry place and fully charged

about once a month. If battery is left in unit, disconnect

the negative cable.

10. Drain fuel system completely or add Simplicity gasoline

stabilizer to the fuel system. If you have chosen to use a

fuel stabilizer and have not drained the fuel system, fol-

low all safety instructions and storage precautions in this

manual to prevent the possibility of fire from the ignition

of gasoline fumes. Remember, gasoline fumes can trav-

el to distant sources of ignition and ignite, causing risk

of explosion and fire.

NOTE: Gasoline, if permitted to stand unused for extended

periods (30 days or more), may develop gummy deposits

which can adversely affect the engine carburetor and cause

engine malfunction. To avoid this condition, add Simplicity

gasoline stabilizer to the fuel tank and run the engine a few

minutes, or drain all fuel from the unit before placing it in

storage.

STARTING AFTER

LONG TERM STORAGE

Before starting the unit after it has been stored for a long

period of time, perform the following steps.

1. Remove any blocks from under the unit.

2. Install the battery if it was removed.

3. Unplug the exhaust outlet and air cleaner.

4. Fill the fuel tank with fresh gasoline. See engine

manual for recommendations.

5. See engine owner’s manual and follow all instructions

for preparing engine after storage.

6. Check crankcase oil level and add proper oil if

necessary. If any condensation has developed during

storage, drain crankcase oil and refill.

7. Inflate tires to proper pressure. Check fluid levels.

8. Start the engine and let it run slowly. DO NOT run at

high speed immediately after starting. Be sure to run

engine only outdoors or in well ventilated area.

Regular

Maintenance

MAINTENANCE SCHEDULE & PROCEDURES

The following schedule should be followed for normal care of your rider and mower. You will need to keep a record of

your operating time. Determining operating time is easily accomplished by multiplying the time it takes to do one job

by the number of times you’ve done the job, or you can install the optional hour meter.

Before Before Every Every Every Spring

SAFETY ITEMS First Use Each Use 5 Hours 25 Hours 100 Hours & Fall

Check Safety Interlock System ●●

Check Rider Brakes ●●

Check Mower Blade Stopping Time ●●

Before Before Every Every Every Spring

NORMAL CARE ITEMS First Use Each Use 5 Hours 25 Hours 100 Hours & Fall

Check Rider/Mower for loose hardware ●●

Check Engine Oil Level * ●●● ●

Check Engine Air Filter * ● ***●

Change Engine Oil & Filter *,** ***● Every 50 Hours ***●

Lubricate Rider & Mower ***●

Check Tire Pressure ● ***●

Check Transmission Fluid ● ***●

Check Fuel Filter ●

Clean Battery & Cables ●

Clean & Sharpen Mower Blades ●

Inspect/Replace Spark Plug * ●

* See the engine manufacturer's owner's manual.

** Kohler Models: Change original engine oil after first 5 hours of operation.

Briggs & Stratton Models: Change original engine oil after first 8 hours of operation.

*** More often in hot (over 85° F: 30° C) weather or dusty operating conditions.

Tire Pressure

Front 20 psi (138 kPa)

Rear 10 psi (69 kPa)

Figure 19. Checking Tire Pressure

CHECK TIRE PRESSURES

Tire Pressure should be checked periodically, and main-

tained at the levels shown in the chart. Note that these

pressures may differ slightly from the “Max Inflation”

stamped on the side-wall of the tires. The pressures

shown provide proper traction, improve cut quality, and

extend tire life.

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Simplicity ZT Series User manual

Brand: Simplicity

Model: ZT Series

Category: Lawnmowers

Type: User manual

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