Toro 79252 Manual de usuario

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. 3318–252

48” Snow Blade

for

Lawn & Garden Tractors

Model No. 79252 – 6900001 & Up

Model No. 99251 – 6900001 & Up

Model No. 9861907 – T6S0001 & 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.

1237a

1. Modeland 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

Installation 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Loose Parts 2. . . . . . . . . . . . . . . . . . . . . . . . .

Assemble Blade 4. . . . . . . . . . . . . . . . . . . . .

Tractor Set-Up 6. . . . . . . . . . . . . . . . . . . . . .

Installing Snow Blade to Tractor 7. . . . . . . .

Removing the Snow Blade 8. . . . . . . . . . . . .

Operation 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Attachment Power Lift 10. . . . . . . . . . . . . . . .

Attachment Lift Lever 11. . . . . . . . . . . . . . . .

Page

Adjusting Dial-A-Height 11. . . . . . . . . . . . . .

Adjusting Blade Index 12. . . . . . . . . . . . . . . .

Adjusting Blade Trip Springs 12. . . . . . . . . .

Tips for Using Snow Blade 13. . . . . . . . . . . .

Maintenance 14. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Service Interval Chart 14. . . . . . . . . . . . . . . .

Greasing and Lubrication 15. . . . . . . . . . . . . .

Reversing the Scraper Blade 16. . . . . . . . . . .

Storage 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Installation

Loose Parts

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

DESCRIPTION QTY. USE

Channel assembly

Tip spring

Rod

Cotter pin

Hairpin cotter

Bolt 3/4–16 x 3/4”

Nut 3/4”

Assemble blade to channel and frame

Index rod

Index plate

Bolt 3/8–16 x 1”

Washer 3/8”

Lock nut 3/8”

Assemble index plate to frame

Index lever

Bolt 1/2–13 x 1”

Nut 1/2”

Eyebolt

Eyelet

Washer #10

Lock nut #10

Control rod

Washer 1/2”

Hairpin cotter

Cotter pin

Assemble index handle to frame

Installation

DESCRIPTION USEQTY.

Lift weldment

Plate

Bolt 3/8–16 x 1”

Lock nut 3/8”

Washer 5/8”

Cotter pin

Lift rod

Mount lift assembly to frame

Hitch assembly

Carriage bolt 3/8–16 x 1’

Washer 3/8”

Lock nut 3/8”

Install front hitch

Rear mounting plate

Blade bracket

Bolt 1/2–13 x 1-1/4”

Lock nut 1/2”

Latch lever

Washer 3/8”

Carriage bolt 3/8–16 x 1-1/4”

Assemble rear hitch

Spindle stop

Self tapping bolt 5/16–18 x 3/4”

1Install steering spindle stop

Installation

Assemble Blade

1. Attach channel assemble and blade trip springs

to blade with rods and hairpin cotters and cotter

pins (Fig. 1).

2. Apply liberal amount of general purpose grease

to pivot area of frame and channel (Fig. 1) and

attach with 3/4 x 3/4” bolt and 3/4” nut.

IMPORTANT: Do not tighten nut and bolt

excessively to cause binding on channel

weldment as it pivots side-to-side.

1469a

Figure 1

1. ChannelAssembly

2. Trip spring

3. Rod

4. Cotter pin

5. Grease here

6. Bolt 3/4 x 3/4”

7. Nut 3/4”

8. Hairpin cotter

3. Place index rod through hole in frame and slide

into hole in index pin (Fig. 2).

4. Hook index rod into front hole of index plate and

attach to frame with 3/8 x 1” bolt, 3/8” washer

and 3/8” lock nut (Fig. 2).

IMPORTANT: Do not tighten nut and bolt

excessively to cause binding of lever at bracket.

2287

Figure 2

1. Index rod

2. Index pin

3. Front hole of index plate

4. Bolt 3/8 x 1”

5. Washer 3/8”

6. Lock nut 3/8”

Installation

5. Attach index lever to frame bracket with 1/2 x 1”

bolt and 1/2” nut (Fig. 3).

IMPORTANT: Do not tighten nut and bolt

excessively to cause binding of lever at bracket.

6. Install eye bolt and eyelets with (2) #10 washers

and (2) #10 lock nuts(Fig. 3).

7. Thread jam nut and turnbuckle onto cable and

hook into handle lever(Fig. 3).

8. Route cable through eyebolt and eyelet and

attach Z end to back hole of index plate (Fig. 3).

9. Adjust turnbuckle so the index pin is pulled out

of channel when the release lever is squeezed,

for easy side-to-side movement (Fig. 3). Tighten

jam nut securely.

10. Attach one end of control rod to index lever with

1/2” washer and hairpin cotter. (Fig. 3).

2288

12132

Figure 3

1. Index lever

2. Bolt 1/2 x 1”

3. Nut 1/2”

4. Cable Z end

5. Eyelet

6. Eyebolt

7. Lock nut and washer #10

8. Handle lever

9. Back hole of index plate

10. Turnbuckle

11. Jam nut

12. Control rod

13. Washer 1/2”

14. Hairpin cotter

11. Insert control rod, end with welded washer, thru

hole in bottom plate of channel weldment

(Fig. 4). Secure with cotter pin, between the

plates.

1467

Figure 4

1. Controlrod

2. Plate 3. Cotter pin

12. Place front lift weldment between frame and

attach captured plate to frame with (2) 3/8 x 1”

bolts and (2) 3/8” lock nuts (Fig. 5).

13. Slide remaining plate over shaft and secure to

frame with (2) 3/8 x 1”bolts and (2) 3/8”lock

nuts. Secure lift assembly shaft to plate with

5/8” washer and cotter pin (Fig. 5).

14. Attach lift rod to lift weldment and secure with

5/8” washer and cotter pin (Fig. 5).

1246b

Figure 5

1. Lift weldment

2. Captured plate

3. Bolt 3/8 x 1”

4. Lock nut 3/8”

5. Plate

6. Lift rod

7. Washer 5/8”

8. Cotter pin

Installation

Tractor Set-Up

1. Remove E–ring and all except one thick washer

from tractor front axle pivot pin. Discard unused

washers. (Fig. 6). Remove muffler shield.

2. Install (4) 3/8 x 1 carriage bolts into keyhole

slots in axle bracket. Install muffler shield and

place front hitch onto the tractor securing with

(4) 3/8” washers, (4) 3/8” lock nuts and

previously removed E-ring (Fig. 6).

1287

Figure 6

1. E-ring

2. Thick Washer (existing)

3. Axle pivot

4. Front hitch

5. Carriage bolt 3/8 x 1”

6. Washer 3/8”

7. Lock nut 3/8”

3. Assemble rear mounting plate and blade bracket

with (2) 1/2 x 1-1/4” bolts (heads toward the

rear) and (2) 1/2” lock nuts through holes in

vertical plates (Fig. 7).

4. For blade use latch levers must be installed onto

the blade bracket (Fig. 7). If necessary remove

latch levers from rear mounting plate and move

to the blade bracket. Secure with previously

removed hardware (Fig. 7).

IMPORTANT: Do not tighten nut and bolt

excessively to cause binding of levers at bracket.

31 1466

Figure 7

1. Rear mounting plate

2. Blade bracket

3. Bolt 1/2 x 1-1/4”

4. Lock nut 1/2”

5. Carriage bolt 3/8 x 1-1/4”

6. Washer 3/8”

7. Latch lever

8. Lock nut 3/8’

Installation

5. Install rear mounting plate\blade bracket

assembly under and inside rear frame member

with short tongue rearward (Fig. 8). Secure with

(3) 1/2 x 1-1/4” bolts and (3) 1/2”lock nuts at

holes in frame side members and tongue forward

hole (Fig. 8).

1478

Figure 8

1. Plate\blade bracket

assembly 2. Bolt 1/2 x 1-1/4”

3. Lock nut 1/2”

6. Install steering spindle stops in front of the rear

tab on front wheel spindles (Fig. 9). Align so

stops contact the axle during tight turns and

wheels do not contact the frame. Secure with

5/16 x 3/4”self tapping bolt (Fig. 9).

1471

Figure 9

1. Steeringwheel stop

2. Self tapping bolt

5/16 x 3/4”

3. Spindle stop

Installing Snow Blade to

Tractor

1. Position snow blade on a level surface with

space behind for tractor.

2. Remove bolt securing index lever to frame and

lay lever next to frame.

3. Open front hitch on tractor and park the tractor

behind snow blade, with frame between the front

wheels. Disengage the power take off (PTO), set

the parking brake, and turn the ignition key to

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

4. Slide frame under tractor and center between rear

latches. Open latch levers and lift frame into

position. (Fig. 10).

5. Secure latch levers with clevis pins and hairpin

cotters (Fig. 10).

6. Attach index lever to frame with previously

removed hardware.

1470

Figure 10

1. Framemount

2. Latch lever 3. Clevis pin

4. Hairpin cotter

7. Slide front lift arm of blade into tractor front

hitch. Close and lock front hitch (Fig. 11).

Installation

1246a

Figure 11

1. Lift arm 2. Front hitch

8. Set Dial-a-Height to the Mounting Position, and

lower attachment lift all the way; refer to Setting

Height-of-Cut.

9. Position lift plate notch around left side lift rod

and slide lift plate onto attachment lift arm

(Fig. 12). Secure with hairpin cotter at lift arm.

10. Connect lift rod trunnion at one of the holes in

the attachment lift plate with 5/8” washer and

hairpin cotter (Fig. 12).

Note: Low hole provides maximum blade

lift, but requires the greatest lift effort.

Top hole requires less lift effort, but

has lower lift height.

1265

Figure 12

1. Notch

2. Lift plate

3. Lift arm

4. Lift rod trunnion

5. Washer 5/8”

6. Hairpin cotter

Removing the Snow Blade

Note: Save all hardware, rods, washers and

hairpin cotters for reuse when

installing blade.

1. Park the machine on a level surface, disengage

the power take off (PTO), set the parking brake,

and turn the ignition key to “OFF” to stop the

engine. Remove the key.

2. Raise attachment lift to the transport position .

Turn the Dial-a-Height knob counterclockwise,

all the way, and lower the attachment lift lever to

the mounting position; refer to Lowering

Attachments.

3. Remove hairpin cotter and 5/8” washer from

trunnion at lift plate (Fig. 13).

4. Remove hairpin cotter and slide lift plate off

attachment lift (Fig. 13).

1265

Figure 13

1. Hairpincotter

2. Washer 5/8” 3. Trunnion

4. Lift plate

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