Craftsman 486.254072 Bedienungsanleitung

owners

manual

Model No.

486.254072

CAUTION:

Read Rules for

Safe Operation

and Instructions

Carefully

1985 MODELS & AFTER 1984 & PRIOR MODELS

42" SNOW BLAD

•Assembly

•Operation

•Maintenance

•Repair Parts

,( .....

Sears, Roebuck and Co., Chicago, Ill. 60684 U.S.A.

.PRINTED IN U.S.A.

'RULES FOR SAFE OPERATIONS

Remember, any power equipment can cause injury if operated improperly or if the user does not understand how

to operate the equipment.

Exercise caution at all times, when using power equipment.

1. Read the Owners Manuals and know how to operate your lawn tractor, before using with the snow blade

attachment.

Never operate lawn tractor and snow blade without wearing proper clothing suited to weather conditions and

operation of controls.

Never allow children to operate lawn tractor and snow blade, and do not allow adults to operate without proper

instructions.

4. Always begin with transmission in first (low) gear and engine at low speed, and gradually increase speed as

required.

42" SNOW BLADE CARTON CONTENTS (Also see page 4)

BLADE HEAD ASS'Y.

LI FT BRACKET CHANNEL ASS'Y.

©O ©

Key

Qty.

FIGURE 1

Description

Angle Lock Bar (long)

Angle Lock Bar (short)

Carriage Bolt, 3/8"-16 x 1.0"

Lock washer, 3/8"

Hex Nut, 3/8"-16

Key

Qty. Description

1 Angle Lock Spring

1 Roll Pin, 1/4" x 1.0"

2Hex Head Bolt, 3/8":16 x 1.0"

2 Cotter Pin, 1/8" x 1.0"

1 Blade Adjust Spring Ass'y.

(H.T.)

••::: 2 ¸

ASSEMBLY INSTRUCTIONS

TOOLS REQUIRED FOR ASSEMBLY

(1) Pliers'

(1) Small Hammer

(2) 1/2" open or boxed end wrench

(2) 9/16" open or boxed end wrench

Before attempting to assemble the blade, layout the

blade head assembly, channel assembly and all other

parts, as shown in figure 1.

°Assemble long angle lock bar (A), and short angle

lock bar (B) together using two 3/8" x 1.0"

carriage bolts (C), 3/8" lock washers (D)and

3/8" hex nuts (E), Do Not Tighten. See figures

1 and 2.

FIGURE 2

Assemble angle lock spring (F) through angle

lock bars positioning end hook as shown. See

Figures 1 and 2.

Assemble hook of angle lock spring into hole of

bracket under pivet bolt. Pull lock bars up to

extend spring just enough to allow assembly of

angle lock bars down through slot inpivot bracket

and channel. See figures 2 and 3.

__CHANNE L

Tighten the 3/8" hex nuts (E) holding the angle

lock bars together..See figure 3.

Assemble channel assembly to blade head assembly

by sliding one end of bar into bracket and then

sliding back and secure with two 1/8" x 1.0"

cotter pins (I). See figures 1 and 4.

LOCKING HEX NUTS

)and Bottom),.: .._.

ADJUST

BRACKET

FIGURE 4

Assemble blade adjust spring (J) hook end in the

middle of rod bracket located between pivot bolt

and angle lock bars. Remove plastic cap and top

hex nut and adjust bottom nut to approximately

one inch or more down from end of adjusting bolt

threads. Assemble adjusting bolt through hole in

top of blade head and lock in position with top

hex nut. Replace plastic cap over end of adjusting

bolt threads. See figures 1 and 4.

BLADE HEAD ASS'Y. SPRING

ADJUSTABLE

ANGLE LOCK BARS

(H) 3/8" x 1.0" HEX HD. BOLTS

(D) 3/8" LOCK WASHERS

(E) 3/8" HEX NUTS

HANNEL ASS'Y.

LI Fr

FIGURE 5

:: FIGURE3

,Assemble lift bracket to end of channel assembly

using two 3/8" x 1.0" hex head bolts (H). 3/8"

lock washers (D) and 3/8" hex nuts (E). See

figures 1 and 5. '

4 .....Assemble 1/4" x !.0,.'.roll.pin (G) through slot in 9. Check all fasteners for tightness; .

channel and hole in end of lock bars centering roll ...

pin below channel. Seefigures 1 and 3...... ii : " " "(continued next page)

42" SNOW BLADE CARTON CONTENTS (Also see page 2)

MIDDLE HOLE---

(See note after

step 3).

FIGURE 6

[]

F ! 7j7 _)

N ®@

USEON i

1984 & PRIOR TRACTORS i

©@

_m /

CD@@

MTRACTO__

Key Qty.

A 2

B 1

C 1

D 1

F 4

G 8

Description

Mounting Bracket

Lift Arm ( For 1984 &Prior Tractors)

Lift Link

Lift Arm (1985 Tractors)

Carriage Bolt, 3/8"-16 x 1.0"

Lock Washer, 3/8"

Key

Qty.

Description

Hex Nut, 3/8-16

Hex Head Bolt, 3/8-16 x 1.0"

Hex Head Bolt, 3/8-16 x 1.25"

Flat Washer, 3/8"

Hair Pin Cotter, 5/32"

Pivot Bushing

LAWN TRACTOR

IDENTIFICATION.

IMPORTANT: Before proceeding to read Owner's

Manual and attempting to assemble blade to Lawn

Tractor, match you tractor with figure 7A or 7B.

FOLLOW ONLY the assembly instructions given for

the selected tractor, either 1984 and prior models or

1985 models. Before operating Lawn Tractor and

Snow Blade, read the operation instructions and

adjustments section on page 8.

ASSEMBLY OF SNOW BLADE

TO LAWN TRACTOR

NOTE: Mounting bracket kit (71-25408 or 71-25409)

is required to complete blade assembly to tractor.

See page 10.

1. Arrange carton contents as shown in figure 6.

2. Remove cutting deck and belt from lawn tractor.

1985 tractors require removal of mower deck link

arms, R.H. & L.H. (See figure 7C) and belt guide

(See figure 8B).

Mark all loose parts and save for re-assembly.

Refer to Lawn Tractor Owners Manual for cutting

deck removal. See figure 7A or B.

FRAME SIDE PANEL

MASTER LIFT LEVER

Position)

TRACTOR-1984 & PRIOR

(Cutting Deck Removed)

FIGURE 7A

MASTER LIFT LEVER

(Up Position)

SIDE ACCESS PANEL

LAWN TRACTOR

(Cutting Deck Removed)

I" I JP_ I I I'_ r --yrt

r,_un= _o ........ ......

1985

TRACTOR

FRAME

LH. SIDE ,

L.H. MOWER DECK

LINK ARM

NOTE: On 1985 tractors, the

mower deck link arms (R.H. &

L.H.) must be removed to prevent

interference with blade lift. Arms

and hardware must be savedand

replaced when cutting deck is used.

FIGURE 7C

Assemble mounting brackets (A) to each side of

lawn tractor frame using four (*) 3/8" x 1.0

carriage bolts (F), 3/8" lock washers (G) and 3/8"

hex nuts (H). See figure 8A or B.

_NOTE: t984 and prior tractors may require only

three 3/8" x 1.0" carriage bolts. A hex bolt can be

removed from right hand side of tractor frame and

reassembled through middle hole in mounting

bracket (A). See figure 6. Some older style tractors

use four 3/8" x 1.00" carriage bolts (F) to

complete assembly.

(F) 1/8" x 1.0" CARRIAGE

BOLT

3/8" LOC KWASH ER

(A) MOUN

BRACKET (Mounts

TRACTOR FRAME/on outside of frame).

(1984 & PRIOR)

FIGURE 8A

NUT

NOTE: Belt guide and hardware

must be removed -R.H. side only.

Save and replace when cutting deck

is used. (F) x 1.0" CARRIAGE

(A) MOUNTING

BRACKET

(H) 3/8" HEX (Mounts on outside 1985 TRACTOR

BO LT of frame). FRAME

FIGURE 8B

4. 1984& PRIOR TRACTORS:

Assemble lift arm (B) to lift link (C) using one

3/8" x 1.25" hex head bolt (J), 3/8" flat washer

(K), pivot bushing (M), 3/8" lock washer(G)and

3/8" hex nut (H) asshown in figure 9A. See figures

6 and 9A.

1985 & AFTER TRACTORS:

Same as above except use lift arm (D). See figures

6 and 9B.

3/8" HEX NUT

3/8" LOCK WASHER

3/8" FLAT

WASHER (M) PIVOT

BUSHING

(J) 3/8" x 1.25

HEX HD. BOLT

(B) LIFT ARM

FIGURE 9A

(J) 3/8" x 1.25" HEX

HD. BOLT

(D) LIFT ARM

FIGURE 9B

(continued on next page)

5. 1984 & PRIOR TRACTORS:

Remove master lift lever by Ioosinging two set

screws and then remove frame side panel.See

figures 7A and 10A.

NOTE: Position master lift lever in forward (down)

_n before removing.

1985 TRACTORS:

Remove Side Access Panel. See figures 7B and 10B.

NOTE: Position master'lift lever in forward (down)

position.

Assemble lift arm and lift link, sub-assembled in

step 4, to master lift bracket using two 3/8" x 1.0"

hex head bolts (I), 3/8" lock washers (G) and

3/8" hex nuts (H) as shown in figure 10A or B.

See figures 6 and 10A or B.

NOTE: Pivot lift arm assembly upward and hold

_tightening. See figure 10A or B. The lift

arm (B) or (D) does not require removal to re-

install cutting deck. The lift link (C) should be

removed when re-installing cutting deck.

(G) 3/8"

(H) 3/8" HEX

NUTS _: _ LOcKWASHERS

, IVIASTER LIFT

•,_ _'\ i_'_/BRACKET

"::.,;',:"o;,"_':_;_"_",?,"_.(B);'"'L_ LIFT ARM-Bolts to

{_.. , i_, _t- /ouf_ide of Master Lift

• " .,'i;l_!!- ,=-=_ff=_,,:_ /_racKel:. lvlvot up when

T_?<¢_, -'°----;' "_ tightening bolts).

•;_'['j,' ".r_':-==:-- Lr----_',

.... i-- : : -_H_\

1984&PRIORTRACTOR 3/8"×i.0"

(L.H. SIDE) \/HEXH.D, BOLTS

FRAME SIDE PANEL _/

REMOVED

FIGURE 10A

REMOVED,

FIGURE 10B

NOTE: When assembling lift arm and lift link sub-

_ly, position the fuel line and battery drain

tube (when equipped) to prevent pinching with

movement of lift system.

7. 1984 & PRIOR TRACTORS:

Re-assemble frame side panel and master lift lever

removed in step 5 and return master lift lever to

the up (back) position as shown in figure 7A.

1985 TRACTORS:

Replace Side Access Panel. Return master lift lever

to the up (back) position.

,Position snow blade assembly in front of lawn

tractor and roll lawn tractor forward over the

channel until the cross shaft is centered below

mounting brackets (A). See figures 5 and 11.

<L) _HC_AAIZN"/_.

COTTE R"_h

CHANNEL ASSEMBLY

CROSSSHAFT

FIGURE 11

.Assemble channel cross shaft to mounting brackets

by tilting channel and sliding one end of cross

shaft through hole and pulling opposite end back.

Secure with two hair pin cotters (L). See figures 6

and 11.

(B) LIFT ARM ,(H) 3/8" HEX

/NUT ,,

"_.d_--_" (G) 3/8

I_._-) LOCKWASHER

>_"_K) 3/8" FLAT

J WASHER

MASTER LIFT BRACKET

1984 & PRIOR

TRACTORS

HD. BOLT

LIFT BRACKET

BOLTS TO OUSIDE* OF

LIFT LINK

JEL

/*SOME OLDER BLADES BOLT TO INSIDE.

FIGURE 12A

MASTER LIFT LEVER

(Down Position) DEPTH CONTROL

ADJUSTING KNOB

1984 TRACTOR SHOWN.

1985 TRACTOR HAS LIFT LEVER ON RIGHT

HAND SIDE.

FIGURE 13

(D) LIFT ARM

VIASTER LIFT BRACKET

1985 TRACTORS)

CHANNEL

/(H) 3/8" HEX

. _NUT ,,

3/8

._ LOCKWASHER

J(K) 3/8" FLAT

WASHER

_"-'---(C) LIFT LINK

PIVOT BUSHING

(J) 3/8" x 1.25" HEX

HD. BOLT

I.I FT BRACKET

BOLTS TO OUTSIDE OF

LIFT LINK.

FIGURE 12B

10. Connect lift link (C) to lift bracket at end of

channel using one 3/8" x 1.25" hex head bolt (J)

3/8" flat washer (K), pivot bushing (M), 3/8"

lock washer (G) and 3/8" hex nut (H) as shown in

figure t2A orB. See figures 6 and 12A or B.

NOTE: Position master lift lever in down position

or block blade in raised position to line up holes in

lift link and lift bracket.

11. Adjust master lift lever movement with depth

control adjusting knob for maximum movement

and to prevent lever from locking in the down lock

notch. See figure 13.

(continued on next page)

OPERATION INSTRUCTIONS

and ADJUSTMENTS

The snow blade attachment is designed to move new

loose snow in depths up tO 6" --8". DO NOT

OPERATE lawn tractor with snow blade before

reading Complete Owners Manual.

CAUTION

Hidden objects can cause sudden stops

or change in direction.

1. Prepare the lawn tractor engine for cold weather

use, following instructions furnished with lawn

tractor.

2. Always begin with transmission in first (low) gear

and engine at slow speed and gradually increase

speed as required.

3. To lift blade and lock for transport pull master

lift lever back and lock in notch. See figure 14.

MASTER LIFT LEVER

(Up Position)

MASTER LIFT LEVER

LOCATION FOR 1985

TRACTORS. ._

",.q!

42" BLADE

ADJUSTABLE SKIDS

FIGURE 14

4. Blade angle can be adjusted at blade pivot in front

of tractor to the right, center or left by pulling

back on angle lock bars and pivoting the blade

head. See figure 15.

5. Blade adjust spring tension is adjustable to permit

blade to tilt forward to by pass solid obstructions.

6. Skid shoes may be adjusted by loosening two nuts

and re-positioning to desired height. See figure 14.

7. DO NOT always push snow in the same direction

causing excessive build up with each successive

pass.

8. If blade is stored in heated area, allow lawn tractor

-and blade to adjust to outdoor temperature before

operating to reduce snow build up and icing on the

metal surfaces.

", ,4- tTZ- :._,,--

MASTER LIFT LEVER ..... "_,

LOCATION (1985 TRACTORS) ,!f_/_~~_

{'=::-_-_MASTE R LIFT LEVER

LOCATION (1984 & PRIOR

FIGURE 15

MAINTENANCE

Check bolts and nuts for looseness occasionally

and re-tighten if necessary.

Keep pivot points oiled to prevent locking from

rust.

Keep front side of blade head clean and waxed

for most efficient operation.

When removing blade for storage make sure to

secure all loose parts and hardware to prevent

loss.

NOTES

42" Snow Blade Model No. 486.254072

GUIDE MOUNTING BRACKET

STOCK No. 71-25408

GUIDE MOUNTING BRACKET

STOCK No. 71-25409

3\ ÷3_37

NOTE: Guide mounting bracket 71-25408 or 71-25409

is required to complete blade assembly.

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