Toro GROUNDSMASTER 30753 Bedienungsanleitung

Operator’s Manual

IMPORTANT: Read this manual carefully. It contains information about your

safety and the safety of others. Also become familiar with the controls and

their proper use before you operate the product.

FORM NO. 3322–201

GROUNDSMASTER

52” Mower

for

120 T

raction Unit

Model No. 30753 – 990001 & UP

Printed in USA

Introduction

We want you to be completely satisfied with your

new product, so feel free to contact your local

Authorized Service Dealer for help with service,

genuine replacement parts, or other information you

may require.

Whenever you contact your Authorized Service

Dealer or the factory, always know the model and

serial numbers of your product. These numbers will

help the Service Dealer or Service Representative

provide exact information about your specific

product. You will find the model and serial number

plate located in a unique place on the product as

shown below

1m–3142

1. Model

and Serial Number Plate

For your convenience, write the product model and

serial numbers in the space below.

Model No:

Serial No.

The warning system in this manual identifies

potential hazards and has special safety messages that

help you and others avoid personal injury, 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 the recommended

precautions are not followed.

WARNING signals a hazard that may cause serious

injury or death if the recommended precautions are

not followed.

CAUTION signals a hazard that may cause minor or

moderate injury if the recommended precautions are

not followed.

Two other words are also used to highlight

information. “Important” calls attention to special

mechanical information and “Note” emphasizes

general information worthy of special attention.

The left and right side of the machine is determined

by sitting on the seat in the normal operator’s

position.

Contents

Page

Safety and Instruction Decals 2.

. . . . . . . . . . . . .

Assembly 3

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Loose Parts 3

. . . . . . . . . . . . . . . . . . . . . . . . .

Installing the Castor Wheels

. . . . . . . . . . .

Installing the Carrier Frame to the

Traction Unit 4

. . . . . . . . . . . . . . . . . . . . . .

Installing the Cutting Mower 5

. . . . . . . . . . .

Installing the Drive Belt 5

. . . . . . . . . . . . . . .

Operation 6

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating the Power Take Off (PTO) 6

. . . .

Implement Lift Lever 7

. . . . . . . . . . . . . . . . .

Adjusting Gage Wheels

. . . . . . . . . . . . . . .

Page

Maintenance 8

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Service Interval Chart 8

. . . . . . . . . . . . . . . .

Cutting Blades

. . . . . . . . . . . . . . . . . . . . . .

Correcting Cutting Unit Mismatch 11

. . . . . .

Setting the Front-to-Rear Pitch 11

. . . . . . . . .

Setting the Side-to-Side Leveling 12

. . . . . . .

Greasing and Lubrication 13

. . . . . . . . . . . . . .

Replacing the Mower Belt

. . . . . . . . . . . . .

Replacing the Drive Belt 15

. . . . . . . . . . . . . .

Replacing the Grass Deflector 15

. . . . . . . . . .

Replacing the Castor Wheel Fork Bushings

Servicing the Castor Wheels and Bearings 17

Storage 18

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting 19

. . . . . . . . . . . . . . . . . . . . . . . . .

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.

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Assembly

Loose

Parts

Note: Use the chart below to identify parts used for assembly.

DESCRIPTION QTY. USE

Carrier frame

Shim

Bolt 3/8–16 x 7/8” (22 mm)

Washer 3/8” (10 mm)

Bolt 3/8–16 x 1-3/4” (44 mm)

Locknut 3/8–16

Install carrier frame to traction unit

Castor wheel assembly

Thrust washer

Retaining pin

Install castor wheels to carrier frame

Drive belt

Clevis pin

Hairpin cotter

Install cutting unit to carrier frame

Operator’

s Manual

Parts Catalog

Read before operating

Ordering parts

Assembly

Installing

the Castor Wheels

1. Place the (2) thrust washers onto the castor

wheel fork (Fig. 1).

2. Insert the castor wheel fork into the carrier frame

mounting tube (Fig. 1).

3. Install (2) thrust washer onto the castor wheel

fork, then secure with a retaining ring (Fig. 1).



Figure 1

1. Retaining

ring

Thrust washer (4)

Carrier frame mounting

tube

Castor wheel fork

4. Set the castor wheel tire pressure to 25–30 psi

(172–207 kPa).

Installing

the Carrier Frame to

the T

raction Unit

1. Align the carrier frame and shim holes with the

mounting holes in the traction unit frame

(Fig. 2).

2. Fasten each side of the carrier frame to the

traction unit with (2) 3/8-16 x 7/8” (22 mm)

bolts and washers, down from the top, and (2)

3/8-19 x 1-3/4” (44 mm) bolts and 3/8-16

locknuts, through the side (Fig. 2).

3. Torque the mounting screws to 240-320 in-lb

(27–36 Nm) (Fig. 2).



Figure 2

1. Carrier

frame

2. Shim

3. T

raction unit frame

Bolt 3/8-16 x 7/8 (22 mm)

5. W

asher 3/8” (10 mm)

Bolt 3/8-16 x 1-3/4”

(44 mm)

Locknut 3/8-16

Assembly

Installing

the Cutting Mower

1. Position mower under the carrier frame.

2. Mount the mower to the carrier frame with four

(4) clevis pins and hairpin cotters (Fig. 3).

Note: All four pins must be in the same hole

locations to prevent uneven cutting.



Figure 3

1. 1”

(25 mm) Cut height

1-1/2” (39 mm) Cut height

2” (51 mm) Cut height

2-1/2” (64 mm) Cut height

3” (76 mm) Cut height

3-1/2” (89 mm) Cut height

4” (102 mm) Cut height

Clevis pin

Carrier frame

10. Mower

11.

Hairpin cotter

Installing

the Drive Belt

1. Release latches holding covers to the top of the

mower, over gearbox pulley, and remove.

2. Install the drive belt around the jackshaft pulley,

on the traction unit, and the gearbox pulley.

Raise the idler pulley and position over the

upper portion of the drive belt (Fig. 4).

3. Install mower covers and secure latches.



Figure 4

1. Jackshaft

pulley

Gearbox pulley

Drive belt

Idler pulley

POTENTIAL

HAZARD

•When the mower is attached to the traction

unit, without additional weight, the traction

unit may become unstable.

WHAT CAN HAPPEN

•Loss of traction and stability may cause

loss of control.

HOW TO AV

OID THE HAZARD

•NEVER operate the traction unit with

mower attached, unless rear weight is

installed.

Operation

POTENTIAL HAZARD

•When the mower is attached to the traction

unit, without additional weight, the traction

unit may become unstable.

WHAT CAN HAPPEN

•Loss of traction and stability may cause

loss of control.

HOW TO AV

OID THE HAZARD

•NEVER operate the traction unit with

mower attached, unless rear weight is

installed.

Operating

the Power T

ake Off

(PTO)

The power take off (PTO) switch engages and

disengages power to the electric clutch.

Engaging the PTO

1. Release the parking brake.

2. Release pressure on the traction pedal to stop

movement (Fig. 5).

3. To engage lift cover and move the PTO switch to

the “ON” position (Fig. 5).

Disengaging the PTO

1. Closing the cover moves the PTO switch to the

“OFF”position (Fig. 5).











Figure 5

1. Traction

pedal

2. PTO switch

Ignition switch

4. Choke

5. Throttle

Operation

Implement

Lift Lever

The implement lift lever (Fig. 6) is used to raise and

lower various attachments.

Raising Attachments

1. Remove pressure from traction pedal to stop the

machine.

2. Pull implement lift lever (Fig. 6) rearward to

raise attachment to the desired height.

Lowering Attachments

1. Remove pressure from traction pedal to stop the

machine.

2. Push implement lift lever (Fig. 6) forward to

lower attachment.

Note: Hold lift lever in down position 1–2

seconds after attachment in down to

extend lift cylinder allowing

attachment to float with changes in

ground contour.









Figure 6

1. Lift

lever

2. Lift–raise 3. Lift–lower

Adjusting

Gage Wheels

The gage wheels must be adjusted in the proper hole

location for each height-of-cut position.

1. After adjusting height-of-cut. raise the

attachment lift lever: Refer to Raising

Attachments.

2. Remove hairpin cotter and pin to change hole

location (Fig. 7).

3. Select a hole position so the gage wheel is 3/8”

(9.5 mm) off the ground for the height-of-cut to

be used (Fig. 7).

4. Insert pin and secure with hairpin cotter.

5. Repeat adjustment on other gage wheels.

m–3197

Figure 7

1. Wheel

2. Pin 3. Hair

pin cotter

Maintenance

Service

Interval Chart

Service

Operation

Each

Use 8

Hours 25

Hours 50

Hours Notes

Cutting blades – check

X X

Belts – check for wear/cracks

Blade spindle bearings – grease

Idler arm – oil

Castor wheels – grease

Gearbox – check level of lubricant

Mower housing – clean

X X X

Chipped surfaces – paint

Cutting

Blades

To ensure a superior quality of cut, keep the blades

sharp. For convenient sharpening and replacement,

you may want to keep extra blades on hand.

POTENTIAL HAZARD

•A blade that is worn or damaged could

break apart and pieces could be thrown at

bystanders or at you as you use the mower.

WHAT CAN HAPPEN

•Pieces of blade that may be thrown could

seriously injure or kill you or bystanders.

HOW TO AV

OID THE HAZARD

•Periodically inspect the blade for wear and

damage. Immediately install a new blade if

it is worn or damaged.

Before Inspecting or Servicing the

Blades

Park the machine on a level surface, disengage the

blade control (PTO) and set the parking brake. Turn

the ignition key to “OFF” to stop the engine. Remove

the key and disconnect the spark plug wire(s) from

the spark plug(s).

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