Toro 30799 Manuel utilisateur

Operator’s Manual

English (EN)

Form No. 3327–739

72” Flex Deck

Side Discharge Mower

Model No. 30799—220000001 and Up

Printed in the USA

2002 by The Toro Company

8111 Lyndale Avenue South

Bloomington, MN 55420-1196

The engine exhaust from this product contains

chemicals known to the State of California to cause

cancer, birth defects, or other reproductive harm.

Warning

Contents

Page

Introduction 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Safety and Instruction Decals 4. . . . . . . . . . . . . . . .

Specifications 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

General Specifications 6. . . . . . . . . . . . . . . . . . . . .

Optional Equipment 6. . . . . . . . . . . . . . . . . . . . . . .

Setup 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Loose Parts 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Setup Instructions 8. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Mount Hose Clamp 8. . . . . . . . . . . . . . . . . . . . . . .

Grass Deflector 8. . . . . . . . . . . . . . . . . . . . . . . . . . .

Mount Rear Castor Wheels 8. . . . . . . . . . . . . . . . . .

Connect Right-hand Push Arm To Cutting Unit 8. .

Connect Left-hand Push Arm To Cutting Unit 9. . .

Mount Front Lift Arm 10. . . . . . . . . . . . . . . . . . . . .

Mount Rear Lift Bracket 11. . . . . . . . . . . . . . . . . . .

Install Drive Shaft To Traction Unit 11. . . . . . . . . . .

Install Lift Chains 12. . . . . . . . . . . . . . . . . . . . . . . . .

Adjust Counter Balance Spring 12. . . . . . . . . . . . . .

Grease Cutting Unit 12. . . . . . . . . . . . . . . . . . . . . . .

Install Rear Weight 12. . . . . . . . . . . . . . . . . . . . . . . .

Page

Before Operating 13. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Check Lubricant In Gear Box 13. . . . . . . . . . . . . . . .

Adjusting Height-of-cut 13. . . . . . . . . . . . . . . . . . . .

Check Tire Pressure 14. . . . . . . . . . . . . . . . . . . . . . .

Adjust Skid 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Adjust Rollers 15. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operation 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Grass Deflector 16. . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating Tips 16. . . . . . . . . . . . . . . . . . . . . . . . . . .

Maintenance 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Greasing The Cutting Unit 17. . . . . . . . . . . . . . . . . .

Trouble Shooting 18. . . . . . . . . . . . . . . . . . . . . . . . .

Separating Cutting Unit From Traction Unit 19. . . .

Mounting Cutting Unit To Traction Unit 19. . . . . . .

Adjusting Drive Belts 19. . . . . . . . . . . . . . . . . . . . . .

Replacing Drive Belts 20. . . . . . . . . . . . . . . . . . . . . .

Servicing Front Bushings In Castor Arms 20. . . . . .

Servicing Castor Wheels And Bearings 21. . . . . . . .

Replacing Grass Deflector 21. . . . . . . . . . . . . . . . . .

Removing Cutter Blade 21. . . . . . . . . . . . . . . . . . . .

Inspecting And Sharpening Blade 22. . . . . . . . . . . .

Correcting Cutting Unit Mismatch 23. . . . . . . . . . . .

The Toro General Commercial Products Warranty 24. .

Introduction

Read this manual carefully to learn how to operate and

maintain your product properly. The information in this

manual can help you and others avoid injury and product

damage. Although Toro designs and produces safe

products, you are responsible for operating the product

properly and safely.

Whenever you need service, genuine Toro parts, or

additional information, contact an Authorized Service

Dealer or Toro Customer Service and have the model and

serial numbers of your product ready. The two numbers are

stamped into a plate that is riveted to the mower.

Write the product model and serial numbers in the space

below:

Model No.

Serial No.

This manual identifies potential hazards and has special

safety messages that help you and others avoid personal

injury and even death. Danger, Warning, and Caution are

signal words used to identify the level of hazard. However,

regardless of the hazard, be extremely careful.

Danger signals an extreme hazard that will cause serious

injury or death if you do not follow the recommended

precautions.

Warning signals a hazard that may cause serious injury or

death if you do not follow the recommended precautions.

Caution signals a hazard that may cause minor or moderate

injury if you do not follow the recommended precautions.

This manual uses two other words to highlight information.

Important calls attention to special mechanical

information and Note: emphasizes general information

worthy of special attention.

Safety and Instruction Decals

Safety decals and instructions are easily visible to the operator and are located near any area

of potential danger. Replace any decal that is damaged or lost.

93-3709

100-6582

1. Warning—Cutting hazard of hands

93-6696

1. Warning—part is spring loaded. Read the operator’s manual.

100-8038

1. Height-of-cut setting for rear deck chain

93-7818

1. Warning—torque the blade bolt to 115–149 N⋅m. Read the

operator’s manual for further instructions.

104-2526

1. Warning—read the operator’s manual.

2. Lower cutting unit before going down hills. When operating the

Groundsmaster 325-D or 345 two-wheel drive or four-wheel

drive, rear weight must be added to the machine.

54-9220

100-8046

100-6578

1. Entanglement hazard—keep belt covers in place. Stay away

from moving parts.

93-6697

1. Change the gearbox oil every 50 hours. Read the operator’s

manual for further instructions.

93-7824

1. Thrown object hazard—keep bystanders away.

2. Thrown object hazard from mower—keep the deflector in

place.

3. Cutting/dismemberment hazard of hands or feet—stay away

from rotating blades and moving parts.

100-8039

1. Height-of-cut setting for rear castor wheels on left chamber

104-7449

1. Height-of-cut setting for rear castor wheels on right chamber

92-3035

1. Height-of-cut setting for front castor wheels.

Specifications

Note: Specifications and design subject to change without notice.

General Specifications

Configuration Three blades, one blade center section, and two 1 blade floating wings. Wings flex

up and down 12 degrees in a single plane perpendicular to from center section.

Height of Cut Adjustable front and rear, in .50 inch increments from 1 to 4 inches.

Construction 12-gauge steel, 5.25 inches deep, welded construction and reinforced with

10-gauge steel channels.

Blades Three 25 inch long, .25 inch thick, heat treated steel blades.

Cutter Drive PTO driven gearbox with 1.26–1 spiral bevel gears. One “B” section belt on center

section. One “B” section belt on each wing. Center section tensioned through

spring loaded idler. Wings tensioned through adjustable fixed idler.

Spindles Cast iron housing, 1-1/4 inch dia shaft with welded blade retainer. Turning on two

greaseable tapered roller bearings. A positive splined connection attaches pulley to

spindle shaft.

Castor Wheels Front: Four 8 inch pneumatic wheels with greaseable roller bearings. Rear: Two 8

inch pneumatic wheels with greaseable roller bearings (one on each wing). Center

section suspended from push arms.

Anti Scalp Anti-scalp cup (11 inch diameter) located on each blade. One anti-scalp roller on

rear of center section. Adjustable skid on right wing.

Trimability 34, uncut circle, 25, uncut circle with use of individual wheel brakes.

Tip Speed 15,000 ft./min. @ 3200 engine RPM.

Discharge Left-hand, side discharge (recycler kit available).

Belt Covers Steel covers bolted down, meets CE requirements.

Weight 550 lb.

Width 83-1/2 in.

Optional Equipment

High Lift Blade Part No. 23-2410

Height of cut spacers 1/4 Part No. 54-8810

Foam Filled 8” Tire

Recycler Kit

Atomic Blade

Part No. 93-5974

Model No. 30838

Part No. 106–4354

Setup

Note: Determine the left and right sides of the machine from the normal operating position.

Loose Parts

Note: Use this chart as a checklist to ensure that all parts necessary for assembly have been received. Without these parts,

total setup cannot be completed. Some parts may have already been assembled at the factory.

Description Qty. Use

Hose clamp

Hose bracket

Capscrew, 1/4 x 1 in.

Nut

Install hose clamp

Push arm adapter

Push arm plate

Capscrew, 3/8 x 2-3/4 in.

Flat washer

Nut

Install right push arm adapter

Front lift arm

Locknut

Capscrew, 3/8 x 3 in.

Rear lift bracket

Square U-bolt

U-bolt

Height-of-cut chain

Clevis pin

Hairpin

Nut

Install rear lift support

Capscrew, 3/8 x 7/8 in. 4Secure covers for CE

Roll pin 1Install drive shaft

Danger decal 1Place over 54-9220 on deflector for CE.

Parts catalog 1

Operator’s manual 1Read before operating the machine.

Registration card 1Fill out and return to Toro.

Setup Instructions

Mount Hose Clamp

1. Using dimensions shown in figure 1, locate, mark and

drill (2) .28 in. dia. holes in traction unit platform. Use

caution when drilling as there are hoses and cables

under platform.

.75”

4.41”

12.75”

Figure 1

2. Secure hoses to under side of platform with clamp, (2)

brackets, capscrews and nuts. Position brackets to fit

contour of hoses and platform.

Figure 2

1. Clamp 2. Bracket

Grass Deflector

1. Remove shipping bands allowing deflector to be

lowered.

Deflector is spring loaded in the down

position and will rotate downward, if not

retrained, when band is cut. If done

improperly, personal injury may occur.

Warning

Figure 3

1. Grass deflector

Mount Rear Castor Wheels

The rear castor wheels are shipped secured upside down to

deck brackets.

1. Remove capscrew and locknut securing front of rear

castor pivot to deck bracket.

Figure 4

1. Rear castor pivot arm

2. Turn pivot right side up and secure front of castor pivot

arm to front of deck bracket with capscrew and locknut

removed.

3. Align the pivot arm holes with selected height-of-cut

bracket holes in the deck frame, install clevis pin and

secure with hairpin cotter.

4. Repeat procedure on other castor wheel assembly.

Connect Right-hand Push Arm

To Cutting Unit

Note: Ball joints are shipped with traction unit.

1. Thread a jam nut fully onto ball joint.

2. Thread ball joint into push arm adapter until a

dimension of 2-3/8 in. from end of adapter to center of

ball joint is attained. Do not tighten jam nut.

2-3/8

in.

Figure 5

1. Ball joint

2. Jam nut 3. Push arm adapter

3. Remove 2 flange head capscrews and flange nuts

securing right hand ball joint mount to castor arm.

Remove ball joint mount from castor arm.

4. Install ball joint to right hand ball joint mount with a

castle nut and cotter pin (Fig. 6).

5. Loosely mount push arm adapter to bottom of right

push arm with a push arm bracket and (4) capscrews,

flat washers, and flange head locknuts. Push arm

bracket to be positioned over and against end of right

push arm (Fig. 6).

Note: Push arm bracket must contact end of push arm.

6. Tighten fasteners securing right push arm adapter to

right push arm.

7. Move cutting unit into position in front of traction unit.

Figure 6

1. Right hand push arm

2. Push arm adapter 3. Push arm bracket

4. Ball joint mount

Since the right hand push arm is spring

loaded to about 100 pounds, a helper is

needed to push the arm down. Sudden

release of the push arm could cause injury.

Warning

8. Have a helper carefully push down on the right push

arm until holes in ball joint mount line up with holes in

castor arm. Immediately slide a 4 x 4 in. block of wood

between top of push arm and underside of chassis.

9. Secure ball joint mount to castor arm with 2 flange head

capscrews and flange nuts previously removed.

Note: Capscrew heads to be positioned on inside of castor

arm.

10.Tighten large jam nut securing ball joint to push arm

adapter (FIg. 5). When tightening jam nut, hold ball

joint straight to permit proper oscillation during raising

and lowering of cutting unit. Carefully remove wood

block holding push arm down.

Connect Left-hand Push Arm

To Cutting Unit

Since the left hand push arm is spring loaded

to about 100 pounds, a helper is needed to

push the arm down. Sudden release of the

push arm could cause injury.

Warning

1. Thread a jam nut fully onto ball joint.

2. Thread ball joint into left push arm until a dimension of

2-3/8 in. from end of push arm to center of ball joint is

attained. Do not tighten jam nut.

2-3/8 in. 3

Figure 7

1. Ball joint

2. Jam nut 3. Left push arm

3. Remove 2 flange head capscrews and flange nuts

securing left-hand ball joint mount to castor arm.

Remove ball joint mount from castor arm.

4. Install ball joint to left-hand ball joint mount with a

castle nut and cotter pin.

Figure 8

1. L.H. Push arm

2. Ball joint 3. Ball joint mount

5. Have a helper carefully push down on the push arm

until holes in ball joint mount line up with holes in

castor arm. Immediately slide a 4 x 4 in. block of wood

between top of push arm and underside of chassis.

Make sure the wooden block does not slip

out accidentally. Sudden release of the push

arm could cause injury.

Warning

6. Secure ball joint mount to castor arm with flange head

capscrews and flange nuts previously removed.

Note: Flange head capscrew heads to be positioned on

inside of castor arm.

7. Tighten large jam nut securing ball joint to push arm.

When tightening jam nut, hold ball joint straight to

permit proper oscillation during raising and lowering of

cutting unit. Carefully remove wood block holding push

arm down.

Note: Periodically check and tighten the push arm adapter

capscrews.

Mount Front Lift Arm

1. Remove rubber bumper from bottom of traction T-bar.

Figure 9

1. Traction T–bar 2. Rubber bumper

2. Slide front lift arm onto traction unit t-bar, positioning

as shown in Figure 10.

3. Secure front lift arm to t-bar with with 2 capscrews and

locknuts.

Figure 10

1. Front lift arm 2. Traction unit T–bar

Mount Rear Lift Bracket

1. Loosely mount rear lift bracket to right push arm with

square U-bolt, 2 nuts, and flange nuts. Bracket to be

positioned on push arm so it is centered and parallel to

castor arm.

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