Scag Power Equipment SWZ Manual de usuario

MODEL SWZ

OPERATOR’SMANUAL

THIS MANUAL CONTAINS THE OPERATING

INSTRUCTIONS AND SAFETY INFORMA-

TION FOR YOUR SCAG MOWER. READING

THIS MANUAL CAN PROVIDE YOU WITH

ASSISTANCE IN MAINTENANCE AND AD-

JUSTMENT PROCEDURES TO KEEP YOUR

MOWER PERFORMING TO MAXIMUM EFFI-

CIENCY. THESPECIFICMODELSTHAT THIS

BOOK COVERS ARE CONTAINED ON THE

INSIDECOVER. BEFOREOPERATINGYOUR

MACHINE, PLEASE READ ALL THE INFOR-

MATION ENCLOSED.

PART NUMBER 03056

FAILURE TO FOLLOW SAFE OPERATING PRACTICES

MAY RESULT IN SERIOUS INJURY.

* Keep all shields in place, especially the grass discharge chute.

* Before performing any maintenance or service, stop the machine and

remove the spark plug wire and ignition key.

* If a mechanism becomes clogged, stop the engine before cleaning.

* Keep hands, feet and clothing away from power-driven parts.

* Read this manual completely as well as other manuals that came

with your mower.

* Keep others off the tractor (only one person at a time)

REMEMBER -YOUR MOWER IS ONLY AS SAFE AS THE OPERATOR!

Hazard control and accident prevention are dependent upon the awareness,

concern, prudence, and proper training of the personnel involved in the

operation, transport, maintenance, and storage of the equipment.

WARNING:

This manual covers the operating instructions

and illustrated parts list for:

SWZ36-14KA with a serial number of 4040001-4049999

SWZ36-15KH with a serial number of 4050001-4059999

SWZ48-14KA with a serial number of 4060001-4069999

SWZ48-15KH with a serial number of 4070001-4079999

SWZ48-17KA with a serial number of 4080001-4089999

SWZ-17KA with a serial number of 4100001-4109999

SWM-52E with a serial number of 4110001-4119999

SWM-61E with a serial number of 4120001-4129999

SWM-72E with a serial number of 4130001-4139999

Always use the entire serial number listed on the serial number

tag when referring to this product.

TABLE OF CONTENTS

SUBJECT PAGE

Introduction.................................................................................................. 1

General Safety Instructions.......................................................................... 1

Signal Words ............................................................................................... 1

Before Operating ......................................................................................... 2

While Operating........................................................................................... 2

Maintenance and Storage ........................................................................... 3

Initial Run-In Procedures ............................................................................. 4

Mower Operation ......................................................................................... 4

Cutter Deck Belt Adjustments...................................................................... 5

Cutter Deck Adjustments ............................................................................. 6

Blade Height Adjustments ........................................................................... 6

Cutter Blades............................................................................................... 7

Neutral Adjustment ...................................................................................... 7

Steering Control Rod Adjustment ................................................................ 8

Tracking Adjustment .................................................................................... 8

Parking Brake .............................................................................................. 8

Lubrication and Maintenance Chart ............................................................ 9

Troubleshooting Cutting Conditions ............................................................ 10-12

Technical Specifications.............................................................................. 13-14

Notes.........................................................................................................................15

WE SUPPORT OPE

TECHNICIAN

CERTIFICATION

Equipment & Engine

Training Council

MEMBER

TABLE OF CONTENTS

(CONTINUED)

SUBJECT PAGE

Illustrated Parts List

SWM-36"Cutter Deck........................................................................ 16-17

SWM-48",52",61",72"CutterDecks...................................................... 18-19

EngineDeck................................................................................................ 20-21

DriveAndBrakeComponents..................................................................22-23

HandleAssembly........................................................................................ 24-25

Hydraulic Assembly.......................................................................... 26-27

Hydraulic Pump Assembly................................................................ 28-29

Engine DeckWire Harness-Kohler (Single Cyl.) & 17KA................... 30

Engine Deck Wire Harness- Kohler Command V-Twin...................... 30

HandleWireHarness-ElectricStart......................................................... 31

WireHarnessW/Relay............................................................................... 31

EngineDeckWire Harness-14 Kawasaki...............................................32

HandleWireHarness-ManualStart......................................................... 32

ReplacementDecals.................................................................................. 33-35

WarrantyStatement...............................................................InsideBackCover

SIGNAL WORDS

This symbol means “Attention! Become Alert!“Attention! Become Alert!

“Attention! Become Alert!“Attention! Become Alert!

“Attention! Become Alert!

Your Safety is Involved!"Your Safety is Involved!"

Your Safety is Involved!" The symbol is used

with the following signal words to attract your

attention to safety messages found on the decals and

throughout this manual. The message that follows

the symbol contains important information about

safety. To avoid injury and possible death, carefully

read the message! Be sure to fully understand the

causes of possible injury or death.

Signal Word:Signal Word:

Signal Word:

It is a distinctive word on safety decals and through-

out this manual that alerts the viewer to the existence

and relative degree of the hazard.

The signal word “DANGER” denotes that an ex-

tremely hazardous situation exists on or near the

machine that could result in high probability of

death or irreparable injury if proper precautions are

not taken.

The signal word “WARNING” denotes that a hazard

exists on or near the machine that can result in injury

or death if proper precautions are not taken.

The signal word “CAUTION” is a reminder of

safety practices on or near the machine that could

result in personal injury if proper precautions are

not taken.

INTRODUCTION

Your mower was built to the highest standards in the

industry. However, the prolonged life and maxi-

mum efficiency of your mower depends on you

following the operating, maintenance and adjust-

ment instructions in this manual.

We encourage you to contact your dealer for repairs.

All Scag dealers are informed of the latest methods

to service this equipment and provide prompt and

efficient service in the field or at their service shop.

They carry a full line of Scag service parts.

A replacement Operator's Manual is available from

your Scag Servicing Dealer or by contacting Scag

Power Equipment, Service Department, at P.O. Box

152, Mayville, WI 53050. Please indicate the

complete model and serial number of your Scag

product.

USE OF OTHER THAN ORIGINAL SCAGUSE OF OTHER THAN ORIGINAL SCAG

USE OF OTHER THAN ORIGINAL SCAG

REPLACEMENT PARTS WILL VOID THEREPLACEMENT PARTS WILL VOID THE

REPLACEMENT PARTS WILL VOID THE

WARRANTY.WARRANTY.

WARRANTY.

The “Right” and “Left”, “Front” and “Rear” of the

machine are referenced from the operator’s perspec-

tive when in the normal operating position and

facing the forward travel direction.

GENERAL SAFETY INSTRUCTIONS

READ THIS OPERATOR'S MANUAL and

instructions furnished with attachments.

Perform only those maintenance procedures de-

scribed in this manual. If major repairs are ever

needed or assistance is desired, contact an Author-

ized Scag Dealer. To ensure optimum performance

and safety, always purchase genuine SCAG replace-

ment parts and accessories.

Your safety and the safety of others depends signifi-

cantly upon your knowledge and understanding of

all correct operating practices and procedures of this

machine.

WARNING:

CAUTION:

BEFORE OPERATING

1. Know the controls and how to stop quickly.

2. Do not allow children to operate the machine.

Do not allow adults to operate the machine

without proper instruction.

3. Remove all debris or other objects that might be

picked up and thrown by the cutter blades. Keep

all bystanders away from the mowing area.

4. Keep all shields, safety devices, and decals in

place. If a shield, safety device or decal is

defective or damaged, repair or replace it before

operating. Also, check all nuts, bolts and screws

for proper tightness, to assure the machine is in

safe operating condition.

5. Do not operate the machine while wearing

sandals, tennis shoes, sneakers or shorts. Also,

do not wear loose fitting clothing which could

get caught in moving parts. Always wear long

pants and substantial shoes. Wearing safety

glasses and safety shoes is advisable and required

by some local ordinances and insurance regula-

tions.

6. Fill the fuel tank with clean, fresh gasoline, with

a minimum octane rating of 87. Avoid spilling

gasoline. Gasoline is highly flammable, handle it

carefully.

A. Use an approved gasoline container.

B. Do not fill the tank while the engine is hot or

running.

C. Do not smoke while handling gasoline.

D. Fill the fuel tank outdoors and up to approxi-

mately 1" (25 mm) below the bottom of the

filler neck.

E. Wipe up any spilled gasoline.

7. Before attempting to start the engine, move the

speed adjustment lever into the neutral position,

move the blade engagement switch to the OFF

position, apply the parking brake, and move the

neutral latches to neutral.

WHILE OPERAWHILE OPERA

WHILE OPERATINGTING

TINGTING

TING

1. Start the engine when the neutral latches are in

the neutral lock position, the cutter blades are

disengaged, the parking brake is on and the

speed adjustment lever is in the neutral position.

2. Do not run the engine in a confined area without

adequate ventilation. Exhaust fumes are hazard-

ous and could possibly be deadly.

3. Using the machine demands attention. To

prevent loss of control:

A. Mow only in daylight or when there is good

artificial light.

B. Watch for holes or other hidden hazards.

C. Do not drive close to a drop-off, ditch, creek

bank, or other hazard.

D. Reduce speed when making sharp turns and

when turning on hillsides.

E. Always be sure of your footing. Keep a firm

hold on the handles and walk---never run.

F. Do not operate where conditions are slippery.

4. The discharge chute must always be installed and

in the down position on the side discharge cutter

deck except when the Scag optional grass

catcher or mulching plate are properly installed.

If the discharge area should plug, shut the engine

off and wait for all movement to stop before

removing the obstruction.

5. Disengage the blades and wait for them to stop

before crossing gravel drives, walks or roads.

6. Shut the engine off and wait until the blades

come to a complete stop before removing the

grass catcher container.

7. Never raise the cutter deck while the blades are

rotating.

8. Always park the mower and/or start the engine

on a level surface. Apply the parking brake to

prevent the mower from moving when you are

not in the operator’s position.

13. Do not pass or stand on the grass discharge side

of any mower with the engine running. Stop

operation when another person approaches.

9. Ifthecuttingbladesshouldstrikeasolidobjector

theequipmentshouldstarttovibrateabnormally,

stoptheengine,disconnectthesparkplugwire,and

check immediatelyforthecause. Vibrationis

generallyawarningoftrouble.Checkthemachine

fordamagedordefectiveparts. Repairanydamage

beforestartingtheengineoroperatingthecutter

deck. Besurethebladesareingoodconditionand

thebladeboltsaretight.

10. Reduce speed and exercise extreme caution on

slopes and in sharp turns to prevent tipping or

loss of control. Be especially cautious when

changing directions on slopes.

DO NOT operate on steep slopes. To check a

slope, attempt to back up it (with the cutter deck

down). If the machine can back up the slope

without the wheels slipping, reduce speed and

useextreme caution. ALWAYSFOLLOWOSHA

APPROVED OPERATION.

11. Do not touch the engine or muffler while the

engine is running or soon after it is stopped.

These areas could be hot enough to cause a burn.

12. Before leaving the operator’s position or leaving

the mower unattended, move the speed adjust-

ment lever into the neutral position, place the

neutral latches in the neutral lock position, apply

the parking brake, and move the blade engage-

ment switch to OFF. Shut the engine OFF and

remove the key.

14. Use only Scag approved riding attachments.

Scag Approved Riding Attachments:

RS-ZT

Using unapproved attachments, (especially

"stand-up" riding attachments) may be hazardous.

MAINTENANCE AND STORAGE

1. Disconnect the spark plug wire from the spark

plug to prevent accidental starting of the engine

when servicing, adjusting or storing the machine.

2. If the mower must be tipped to perform mainte-

nance or adjustment, remove the battery, drain

the gasoline from the fuel tank and the oil from

the crankcase.

3. To reduce potential fire hazard, keep the engine

free of excessive grease, grass, leaves and accu-

mulations of dirt.

4. Be sure the machine is in safe operating condi-

tion by keeping nuts, bolts, and screws tight.

Check the blade mounting bolts and nuts fre-

quently to be sure they are tightened.

5. If the engine must be running to perform a

maintenance adjustment, keep hands, feet,

clothing and other parts of the body away from

the cutter deck blades and other moving parts.

6. Do not overspeed the engine by changing gover-

nor settings. To be sure of safety and accuracy,

have an authorized dealer check maximum

engine speed with a tachometer.

7. The engine must be shut off before checking the

oil or adding oil to the crankcase.

8. Allow the engine to cool before storing the

mower in any enclosure such as a garage or

storage shed. Make sure the fuel tank is empty if

the machine is to be stored in excess of 30 days.

Do not store the mower near any open flame or

where gasoline fumes may be ignited by a spark.

WARNING:

WARNING

FALLING HAZARD

USE ONLY SCAG APPROVED

RIDING ATTACHMENTS

SEE OPERATOR'S MANUAL

481109

9. Always store gasoline in a safety-approved, red

container.

10. Be careful when servicing the battery as it

contains acid, which is corrosive and could cause

burns to skin and clothing.

11. Batteries release explosive gases when being

charged or discharged. Keep batteries away

from any source of sparks and/or flame.

12. Make sure all hydraulic connections are tight and

all hydraulic hoses and lines are in good condi-

tion before starting the machine.

13. Hydraulic fluid is under high pressure. If you

need service on your hydraulic system, please

see your authorized Scag dealer.

INITIAL RUN-IN PROCEDURES

(FIRST DAY OF USE OR APPROXI-

MATELY 10 HOURS)

1. Check the belts for proper tension at 2, 4 and 8

hours. Adjust as needed.

2. Check the steering control rods and the speed

control for neutral adjustment. (See Adjust

ments, page 6-8)

3. Check the tires for proper pressure.

Caster Wheels 25 psi.

Drive Wheels 15 psi.

4. Check for loose hardware. Tighten as needed.

5. Check the safety switches for proper adjustment:

* The engine should crank and start if the

machine is in neutral, the PTO engage-

ment switch is OFF and the parking brake

is ON.

6. Apply lubricant to all the grease fittings. Lubri-

cant was applied at the factory. This is just a

precautionary check to make sure that all the

fittings have been lubricated.

MOWER OPERATION

-NOTE-

Use gasoline with an octane rating no less than

87.

* The speed adjustment lever must be in

NEUTRAL.

* The blade clutch switch must be in the OFF

position.

* The neutral latches must be in the neutral

lock position.

* The key switch must be on.

* The parking brake must be on.

3. Start the engine:

* Choke as required. If the engine is cold, pull

the choke knob out. When the engine starts,

slowly push the choke in. If the engine

stalls, repeat the above operation. When the

engine is warm, choking may not be neces-

sary.

4. Engage the cutter blades by pulling the blade

clutch switch into the ON position. Push the

switch to the OFF position to disengage the cutter

blades.

1. Read and understand the safety instructions

before attempting to operate this machine.

2. Before starting the engine:

* Check the oil level in the engine and the

hydraulic reservoir.

* Fill the fuel tank with clean, fresh, lead-

free gasoline.

* Open the fuel valve on the bottom of the

fuel tank.

390S0138

PULL UP TO ENGAGE

PUSH DOWN TO DISENGAGE

-NOTE-

When PTO is engaged or (possibly) disengaged,

a squealing sound from the underside of the

machine is normal. It is caused by the electric

clutch plates meshing as the mower comes up to

speed. For best equipment life, engage the

clutch with the engine at 1/2 throttle, not under

full load.

If you are not familiar with the operation of the

hydrostatic drive and zero turn feature, practice

turning and maneuvering with the hand controls

before engaging the blades.

5. Release the parking brake. Move the speed

adjustment lever to the desired mowing speed.

-NOTE-

Top speed is suggested only for transport!

6. Whilesqueezingthesteeringbrakeleverswithboth

hands,releasebothneutrallatches.

7. When the steering brake levers are released, the

machinewilltravelstraight.Tomakearightturn,

squeezetheRHlever. Toturnleft,squeezetheLH

lever.

8. TO STOP, squeeze both levers, lock the neutral

latches, and move the speed adjustment lever to

neutral.

9. To move the machine in reverse, squeeze up on

both steering control levers.

10. To "freewheel" or move the machine around

without the engine running, turn the dump valve

levers located at the back of the pumps to the

"freewheel"positions(seeFigure1).Tooperatethe

machine,thedumpvalveleversmustbereturnedto

theclosedpositions.

ire pressure can be adjusted forire pressure can be adjusted for

ire pressure can be adjusted for

WARNING:

Dump Valve Levers

(normal position)

SGB112

Figure 1. Dump Valves

CUTTER DECK BELCUTTER DECK BEL

CUTTER DECK BELT ADJUSTMENTST ADJUSTMENTS

T ADJUSTMENTST ADJUSTMENTS

T ADJUSTMENTS

-NOTE-

The hydro drive belt is spring loaded and does

not require adjustment.

1. Remove the belt cover.

2. Adjust the cutter deck drive belt using a belt

tension gauge. Adjust the belt so that the belt

moves 1/2" with 10 pounds of pressure. Adjust

the tension by tightening or loosening the J-bolt

nut. (See figure 2)

SC400G

BELT

WASHER

"J" BOLT

NUT

CUTTER DECK DRIVE BELT TENSION

ALIGNMENT IDLER - L.H.

END OF L-SHAPED

BRACKET

Figure 2. Deck Drive Belt Adjustment

-NOTE-

Due to initial belt stretch and to prevent the belt

from slipping, check this adjustment after the

first 2 hours, 4 hours and 8 hours of operation.

3.Adjust the RH blade drive belt using a belt

tension gauge. Adjust the belt so that the belt

moves 1/2" with 10 pounds of pressure. Adjust

thetensionbytighteningorlooseningtheJ-boltnut

(Seefigure3).

4. Replace the belt cover.

"J" Bolt

Nut

Belt

Deck

Washer

Figure 3. Cutter Deck Belt Adjustment R.H.

SC405G

LOW CUT (1 3/4"- 3")

HIGH CUT (3 1/4"- 4 1/2")

MID RANGE

(2 1/2"- 3 3/4")

CUTTER DECK HEIGHT ADJUSTMENT

Figure 4. Cutting Height Adjustment

Caster spacers also can be repositioned to change

cutting heights and to change the pitch of the deck.

(See figure 5)

Figure 5. Caster Wheel Spacers

BLADE HEIGHT ADJUSTMENTBLADE HEIGHT ADJUSTMENT

BLADE HEIGHT ADJUSTMENT

Adjusting the blade height can be done by moving

any number of the five smaller 1/4" spacers on the

blade mounting bolts to the top of the spindle shaft

or below the spindle shaft.

-NOTE-

All blades should be positioned equally.

For best cut and discharge, a minimum of three

spacersshouldbeinstalledbetweenthebladeandthe

spindle(Seefigure6).

SC406G99

PIN SPACERS

REPOSITIONING SPACERS

CUTTER DECK ADJUSTMENTS

Duetothemany cuttingconditionsthatexist, itis

difficult to suggest a cutter deck setting that will

workforeverylawn. Therearetwoadjustmentsthat

can be made on these decks, pitch and height.

PITCH is the angle of the blades (comparing front to

rear). A 1/4" downward pitch (front of deck down)

isrecommendedforbestcuttingperformance.

HEIGHT is the nominal distance the blade is off of

theground. Thismeasurementismadewiththe

blades pointed side to side and distance is measured

between cutting tip and ground. (Also see Blade

HeightAdjustment)

Changestothecuttingheightcanbeachievedby

repositioning the cutter deck. (This adjustment will

also effect the pitch of the deck). There are three

available positions (see figure 4).

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