Toro 30551 Manuel utilisateur

OPERATOR’S

MANUAL

FORM NO. 3323-578

MODEL NO. 30551—90001 & UP

62” SIDE DISCHARGE CUTTING DECK

©The Toro Company—2000

Forword 2
Table of Contents 2
Safety 3
Symbol Glossary 6
Specifications 9
Adjusting Height-of-Cut 10
Before Operating 10
Adjusting the Rollers & Gage Wheel 11
Check the Lubricant in the Gear Box 11
Operating Instructions 13
Grass Deflector 13
Tension Spring Adjustment 13
Maintenance 14
Grease Bearings, Bushings and Gear Box 14
Troubleshooting 15
Separating the Cutting Unit from 
the Traction Unit 16
Mounting the Cutting Unit to 
the Traction Unit 16
Servicing Castor Arm Bushings 17
Servicing the Castor Wheels and Bearings 17
Checking for a Bent Blade 18
Replacing the Cutter Blade 18
Checking the Sail and Sharpening 
the Cutter Blade 19
Correcting Cutting Unit Mismatch 20
Replacing the Grass Deflector 21
Adjusting the Idler Pulley 21
Adjusting Cover Latches 22
Replacing the Drive Belt 22
Model and Serial Numbers 23
2
Forword
The 62” cutting deck has advanced concepts in engineering, design and safety; and if maintained properly,
will give excellent service.
Certain information in this manual is emphasized. DANGER, WARNING and CAUTION identify personal
safety related information. IMPORTANT identifies mechanical information demanding special attention. Be
sure to read this directive because it deals with the possibility of damaging a part or parts of the machine.
NOTE identifies general information worthy of special attention.
Table of Contents

Training

1. Read the instructions carefully. Be familiar

with the controls and the proper use of the

equipment.

2. Never allow children or people unfamiliar with

these instructions to use the lawnmower. Local

regulations may restrict the age of the operator.

3. Never mow while people, especially children, or

pets are nearby.

4. Keep in mind that the operator or user is

responsible for accidents or hazards occurring to

other people or their property.

5. Do not carry passengers.

6. All drivers should seek and obtain professional

and practical instruction. Such instruction

should emphasize:

•the need for care and concentration when

working with ride-on machines;

• 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:

–insufficient wheel grip;

–being driven too fast;

–inadequate braking;

–the type of machine is unsuitable for its

task;

–lack of awareness of the effects of

ground conditions, especially slopes;

Preparation

1. While mowing, always wear substantial

footwear and long trousers. Do not operate the

equipment when barefoot or wearing open

sandals.

2. Thoroughly inspect the area where the

equipment is to be used and remove all objects

which may be thrown by the machine.

3. WARNING—Petrol is highly flammable.

•Store fuel in containers specifically

designed for this purpose.

•Refuel outdoors only and do not smoke

while refueling.

•Add fuel before starting the engine. Never

remove the cap of the fuel tank or add petrol

while the engine is running or when the

engine is hot.

•If petrol is spilled, do not attempt to start

the engine but move the machine away from

the are of spillage and avoid creating any

source of ignition until petrol vapors have

dissipated.

•Replace all fuel tanks and container caps

securely.

4. Replace faulty silencers.

5. Before using, always visually inspect to see that

the blades, blade bolts and cutter assembly are

not worn or damaged. Replace worn or

damaged blades and bolts in sets to preserve

balance.

6. On multi-bladed machines, take care as rotating

one blade can cause other blades to rotate.

Operation

1. Do not operate the engine in a confined space

where dangerous carbon monoxide fumes can

collect.

2. Mow only in daylight or in good artificial light.

3. Before attempting to start the engine, disengage

all blade attachment clutches and shift into

neutral.

4. Do not use on slopes of more than:

•Never mow side hills over 5°

•Never mow uphill over 10°

•Never mow downhill over 15°

5. Remember there is no such thing as a “safe”

Safety

slope. Travel on grass slopes requires particular

care. To guard against overturning:

•do not stop or start suddenly when going up

or downhill;

•engage clutch slowly, always keep machine

in gear, especially when travailing downhill;

•machine speeds should be kept low on

slopes and during tight turns;

•stay alert for bumps and hollows and other

hidden hazards;

•never mow across the face of the slope,

unless the lawnmower is designed for this

purpose.

6. Use care when pulling loads or using heavy

equipment.

•Use only approved drawbar hitch points.

•Limit loads to those you can safely control.

•Do not turn sharply. Use care when

reversing.

•Use counterweight(s) or wheel weights

when suggested in the instruction handbook

7. Watch out for traffic when crossing or near

roadways.

8. Stop the blades rotating before crossing surfaces

other than grass.

9. When using any attachments, never direct

discharge of material toward bystanders nor

allow anyone near the machine while in

operation .

10. Never operate the lawnmower with defective

guards, shields or without safety protective

devices in place.

11. Do not change the engine governor settings or

overspeed the engine. Operating the engine at

excessive speeds may increase the hazard of

personal injury.

12. Before leaving the operator's position:

•disengage the power take-off and lower the

attachments;

• change into neutral and set the parking

brake;

• stop the engine and remove the key.

13. Disengage drive to attachments, stop the engine,

and disconnect the spark plug wire(s)or remove

the ignition key

•before cleaning blockages or unclogging

chute;

•before checking, cleaning or working on the

lawnmower;

•after striking a foreign object. Inspect the

lawnmower for damage and make repairs

before restarting and operating the

equipment;

•if the machine starts to vibrate abnormally

(check immediately).

14. Disengage drive to attachments when

transporting or not in use.

15. Stop the engine and disengage drive to

attachment

•before refueling;

•before removing the grass catcher;

•before making height adjustment unless

adjustment can be made from the operator's

position.

16. Reduce the throttle setting during engine runout

and, if the engine is provided with a shutoff

valve, turn the fuel off at the conclusion of

mowing.

Maintenance and Storage

1. Keep all nuts, bolts and screws tight to be sure

the equipment is in safe working condition.

2. Never store the equipment with petrol in the

tank inside a building where fumes may reach

an open flame or spark.

3. Allow the engine to cool before storing in any

enclosure.

4. To reduce the fire hazard, keep the engine,

silencer, battery compartment and petrol storage

area free of grass, leaves, or excessive grease.

5. Check the grass catcher frequently for wear or

deterioration.

6. Replace worn or damaged parts for safety.

7. If the fuel tank has to be drained, this should be

done outdoors

8. On multi-bladed machines, take care as rotating

one blade can cause other blades to rotate.

9. When machine is to be parked, stored or left

unattended, lower the cutting means unless a

positive mechanical lock is used.

Symbol Glossary

Caustic liquids,

chemical burns to

fingers or hand

Poisonous

fumes or toxic

gases, asphyxiation

Electrical shock,

electrocution High pressure

fluid, injection

into body

High pressure

spray, erosion of

flesh

High pressure

spray, erosion of

flesh

Crushing of

fingers

or hand,

force

applied from

above

Crushing of

toes or foot, force

applied from above

Crushing of

whole body,

applied from

above

Crushing of

torso, force

applied from side

Crushing of fingers

or hand/, force

applied from side

Crushing of

whole body Crushing of

head, torso and

arms

Cutting of

fingers or hand Cutting of footCrushing of leg,

force applied

from side

Severing of

fingers or hand,

mower blade

Severing of

toes or foot,

mower blade

Severing of

toes or fingers,

rotary mower

blade

Cutting or

entanglement of

foot, rotating auger

Severing of

foot, rotating

knives

Severing of

fingers or hand,

impeller blade

Dismember-

ment, front engine

mower in forward

motion

Dismember-

ment, front engine

mower in rearward

motion

Severing of

fingers or hand,

engine fan

Whole body entanglement,

implement input drive line Fingers or

hand entangle-

ment, chain

drive

Hand & arm

entanglement,

belt drive

Thrown or flying

objects, whole

body exposure

Thrown or

flying objects,

face exposure

Thrown or flying

objects, rotary

mover

Runover/back-

over, vehicle Machine

tipping, riding

mower

Machine rollover,

ROPS (rear

engine mower)

Stored energy

hazard, kickback

or upward motion

Hot surfaces,

burns to fingers

or hands

Explosion Fire or open

flame

Secure lifting

cylinder with locking

device before getting

in hazardous area

Do not step on

loading platform

if PTO is connect-

ed to tractor &

engine is running

Do not step Wait until all

machine comp-

onents have

completely

stopped before

touching them

Shut off engine

& remove key

before perform-

ing maintenance

or repair work

Stay a safe

distance from

the machine

Stay clear of

articulation area

while engine is

running

Do not open

or remove safety

shields while

engine is

running

Riding on this

machine is allowed

only on a passen-

ger seat & only if the

driver’s view is not

hindered

Fasten seat

belts Safety alert

triangle Outline safety

alert symbol Read operator’s

manual Fire, open light

and smoking

prohibited

Eye protection

must be worn

Consult technical

manual for proper

service

procedures

Hearing

protection must

be worn

Caution, toxic

risk

Head protection

must be worn Flush with water Engine Transmission Hydraulic systemFirst aid

Oil Coolant (water) Intake air Exhaust gas Pressure Level indicator Liquid level

Brake system

Disengage

Filter Temperature Failure/

Malfunction Start switch/

mechanism On/start Off/stop Engage

Plus/increase/

positive polarity Minus/decrease/

negative polarity Horn Battery charging

condition Hourmeter/

elapsed operating

hours

Fast Slow Continuous

variable, linear

Volume empty Volume full Machine travel

direction,

forward/

rearward

Control lever

operating

direction, dual

direction

Control lever

operating

direction, multiple

direction

Clockwise

rotation Counter-clock-

wise rotation Grease

lubrication

point

Oil lubrication

point Lift point Jack or

support point Draining/

emptying Engine lubricat-

ing oil Engine

lubricating

oil pressure

Engine lubricating

oil level Engine lubricating

oil filter

Engine lubricating

oil temperature Engine coolant Engine coolant

pressure Engine coolant

filter Engine coolant

temperature Engine intake/

combustion air

Engine intake/com-

bustion air pressure

Engine intake/air

filter

Engine start Engine stop Engine failure/

malfunction Engine rotational

speed/frequency Choke Primer (start aid) Electrical preheat

(low temperature

start aid)

n/min

Transmission

oil

Transmission

oil pressure Transmission

oil temperature Transmission

failure/malfunctionClutch Neutral High Low Forward

NHLF

Reverse Park First gear Second gear

Third gear (other #'s

may be used until the

maximum # of forward

gears is reached.)

Hydraulic oil Hydraulic oil

pressure

Hydraulic oil

level

RP 2 31

Hydraulic oil

filter Hydraulic oil

temperature Hydraulic oil

failure/malfunction Fuel level

Parking brake Fuel Fuel filter Fuel system

failure/malfunction

Lock Unlock Differential lock 4-Wheel drive Power Take-OffDiesel fuel Unleaded fuel Headlights

Cutting unit,

lower Cutting unit,

hold Cutting unit,

float

Cutting unit Cutting unit,

raise

Power Take-Off,

rotational speed Blade cutting

element Blade cutting

element, height

adjustment

Cutting unit,

transport

position

Cutting unit,

raise to transport

position

Cutting unit,

lower to transport

position

Attachment

lower Attachment

raise Spacing distance Snow thrower,

collector auger Traction

Above working

temperature

range

Drilling Manual metal

arc welding Manual Water pump Keep dry Weight Do not dispose

in the garbage CE logo

Width of Cut: 1.56 m.

Height of Cut: Adjustable from 25 to 102 mm) in

13 mm increments.

Blade Tip Speed: 4,718 m/min. @ 3250 engine

rpm.

Cutter Blades: Three heat-treated steel blades, each

4.8 mm thick and 55 mm long.

Unit Drive System: PTO-driven gear box transmits

power through a “AA” section belt to all blade

spindles.

Castor Wheels:

Front—203 mm diameter pneumatic wheels with

greaseable roller bearings. (Inflation 207–345 kPa)

Rear—152 mm diameter hard rubber wheels with

greaseable roller bearings.

Optional Equipment:

62” Front Baffle Kit: Part No. 99-5151 (For Dry

Conditions)

Leaf Mulcher: Model 30792

Leaf Mulcher Discharge Plate: Part No. 57-0700

High Lift Blades: Part No. 77-6710

Grass Collection System: Model 30506 Blower Kit

used with Model 30504 Hopper Kit or Model 30505

Dump Kit.

Note: Model 30505 only fits Models 30223, 30224,

30225,30230 and 30243. Model 30504 only fits;

Models 30223, 30230 and 30225.

Phenolic Caster Wheels: Part No. 27-1050 use with

Spanner Part No. 69-8980 or order Part No. 40-0370

Caster Fork and 3/4” bolts Part No. 328-9.

Specifications

Adjusting Height-of-Cut

The height of cut is adjustable from 2.5 to 10 cm in

1.25-cm increments, by adding or removing an

equal number of spacers from the front and rear

castor forks. The height-of-cut chart below gives the

combinations of spacers to use for all height-of-cut

settings.

Height-of-Cut Chart

Height-of-Cut Spacers Below Castor Arm

Setting Front Rear

2.5 cm 0 0

3.7 cm 1 1

5.0 cm 2 2

6,3 cm 3 3

7.5 cm 4 4

8.7 cm 5 5

10.0 cm 6 6

Start the engine and raise the cutting unit so the

height of cut can be changed. Stop the engine after

raising the cutting unit.

Front Castor Wheels

1. Remove the tensioning cap from the spindle

shaft and slide the spindle out of the front castor

arm. Remove the washer from the spindle shaft.

Slide spacers onto the spindle shaft to get

desired height of cut, then slide a washer onto

the shaft.

2. Push castor spindle through front castor arm,

install other thrust washer and remaining

spacers onto spindle and install tensioning cap

to secure assembly.

Figure 1

1. Front castor wheel

2. Tensioning cap

3. Spacers

4. Thrust washers

Rear Castor Wheels

1. Remove the tensioning cap from the spindle

shaft.

Figure 2

1. Rear castor wheel

2. Tensioning cap

3. Spacers

4. Thrust washers

Note: The rear castor fork assembly does not

need to be removed from castor arm to change

height of cut.

Before Operating

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