Craftsman 79689, 770-5875B User Manual

OWNERS
MANUAL

MODEL NO.

247.796890

_ WARNING

Carefully read and

follow Safety

Rules, Precautions
and Operating

Instructions, Failure
to do so can result

5 H.P.

CHIPPER-SHREDDER

in serious personal
injury.

i i ,,,,,,,,,

Sold by Sears, Roebuck and Co, Chicago ilt 60684 USA

It

Assembly • Maintenance

tl

Operation , Repair Parts
Always wear eye protection during

operation

Part No. 770-5875B 8/87

Eel

Ramp

Muffler

REAR

Cleaner

Control

Tank

lopper

Chip-It

Starter Bag

Model

Plate FRONT

Chute

Deflector

Spark Plug.

and Elbow

Catcher

INDEX

MODEL
NUMBER

SERIAL
NUMBER

THE MODEL AND SERIAL NUMBERS
WILL BE FOUND ON THE MODEL PLATE
ATTACHED TO THE FRAME SEE ILLUSTRA-
TION AT LEFT

YOU SHOULD RECORD BOTH MODEL AND
SERIAL NUMBERS AND KEEP IN A SAFE
PLACE FOR FUTURE REFERENCE,

Instructions given with this sym-

i&

bol are for personal safety° Be
sure to follow them.

l

Warranty ......

Rules for Safe Operation
Assembly
Operation

How to Use Your Chipper-Shredder
Adjustments

MAINTENANCE AGREEMENT

A Sears Maintenance Agreement is available on this product Contact your nearest Sears store for details°

LIMITED ONE YEAR WARRANTY ON CRAFTSMAN GAS CHIPPER-SHREDDER

For one year from the date of purchase, when this Craftsman Chipper-Shredder is maintained, lubricated
and tuned up according to the instructions in the owner's manual, Sears will repair, free of charge, any defect
in material and workmanship.

tf this Craftsman Chipper-Shredder is used for commercia_ or rental purpose, this warranty applies for only
30 days from the date of purchase

This warranty does not cover:

-- Expendable items which become worn during normal use, such as blades, blade guides, blade adapters,
air cleaners, spark plugs and catcher bags;

-- Repairs necessary because of operator abuse or negligence, including bent crankshafts

WARRANTY SERVICE IS AVAILABLE BY RETURNING THE CRAFTSMAN CHIPPER-SHREDDER TO THE
NEAREST SERVICE CENTER/DEPARTMENT IN THE UNITED STATES

2

3

_ 4

6

7

9

Maintenance ....... 9

Off-Season Storage ........ 11

Maintenance Check List .... 12

Trouble Shooting Chart 12

Repair Parts ...... 13-19

This warranty gives you specific legal rights, and you may also have other rights which vary from state to state

SEARS, ROEBUCK AND CO, Dept 698t731A, Sears Tower, Chicago, IL 60684

NOTE

This unit is equipped with an internat combustion engine and should no[ be used on or near any unimproved forest-
covered, brush-covered or grass-covered land unless the engine's exhaust system is equipped with a spark attester
meeting applicable tocaf or state laws (if any) If a spark attester is used, it should be maintained in effective work-
ing order by the operator

In the State of California the above is required by law (Section 4442 of lhe California Public Resources Code) Other
states may have similar laws Federal law apply on federaf lands A spa_k arrester muffler is available at your Sears

Authorized Service Center (see page 19)

WARNING Toreducethe potential for any injury, comply with the following safety instruc-

- - _ tions Failure to comply with the instructions may result in personal injury

RULES FOR SAFE OPERATION

TRAINING

1 Read this owner's manual carefully in its entirety

before attempting to assemble or operate this
machine Be completely familiar with the controls
and the proper use of this machine before operating
it, Keep this manual in a safe place for future and
regular reference and for ordering replacement
parts,

2. Children must never be allowed to operate this
equipment_

3., No one should operate this unit while intoxicated or
while taking medication that impairs the senses or

reactions

4, This equipment should never be operated in the

vicinity of children, pets or other persons

5. Never run your machine in an enclosed area as the
exhaust from the engine contains carbon monox-
ide, which is an odorless, tasteless and deadly
poisonous gas

6,, Never allow your hands or any part of your body or

clothing inside the feeding chamber, discharge

chute, or near any moving part while the machine
or engine is running

7, If it is necessary for any reason to inspect or repair

the feeding chamber or any part of the machine

where a moving part can come in contact with your
body or clothing, stop the machine, allow it to cool,

and disconnect the spark plug wire from the spark
plug before attempting such inspection or repair

PREPARAT'ION

t, Wear safety glasses provided with your unit

while operating the chipper-shredder to prevent in-
jury from any chips which may be ejected out of

the openings

2. Wear proper apparel Avoid wearing loose fitting

clothing, Wear gloves when handling material

3 HANDLE FUEL WITH CARE as gasoline is an

extremely flammable fuel
A Check the fuel before starting the engine, Do

not fill the fuel tank indoors, while the engine
is running, or while the engine is still hot,, Turn

the unit off and let the engine coot before
refueling,

B, Fuel your chipper-shredder in a clean area Do

not smoke while refueling,

C Fuel tank cap must be secure at all times

except during refueling

D Avoid spilling gasoline or oil. Wipe the unit

clean of any spilled fuel or oil,

E Store fuel and ell in approved containers, away

from heat or open flame, and out of reach of

children,

4_ This machine should be operated only upon an

level earthen surface

5, Assure that aft screws, nuts and bolts and other

fasteners are properly secured

OPERATION

1, When feeding shreddable materiat into this equip*

ment, be extemely careful that pieces of metal,

rocks, bottles, cans or other foreign objects are not

included

2 If the cutting mechanism strikes any foreign object

or if your machine should start making an unusual
noise or vibration, immediately stop the engine and

disconnect the spark piug wire from the spark plug

Allow the machine to stop and take the following

steps:

A Inspect for damage

B Replace or repair any damaged parts
C Check for any loose parts and tighten to assure

continued safe operation

3 The engine must be kept clean of debris and other

accumulations_

4 Do not allow an accumufation of processed material

to build up in the discharge area as this will pre-
vent proper discharge and can result in kick-back
from feed opening

5 Never allow your hands or any other part of your

body or clothing inside the feeding chamber,

discharge chute or near any moving part while the

engine is running

6 Keep ell guards and deflectors in place and in

good working condition to assure continued safe

operation

7 Always stand clear of the discharge area when

operating this machine

8 Keep your face and body back from the feed

opening to avoid accidental bounce back of any
materiel

9 Do not over.reach Keep proper balance and

footing at all times

10 The engine governor settings on your machine

must not be altered, changed, or tampered with,

The governor controls the maximum safe operating

speeds and protects the engine and all moving

parts from damage caused by overspeed,

11 Do not transport machine while engine is running
12 Do not operate engine if air cleaner or cover

directly over carburetor air intake is removed,

except for adjustment Removal of such parts

could create a fire hazard.

MAINTENANCE AND STORAGE

1 When this equipment is stopped for servicing,

inspection, storage or to change an accessory,
make sure the spark plug wire is disconnected from
the spark plug The machine should be allowed to

cool down before making such inspection, ad_
justments, service, etc Maintain your machine with

care and keep it clean for the best and continued

safe operation,

2 Do not use flammable solutions to clean the air

fitte_

3 When not in use, your machine should be stored out

of the reach of children Keep where gasoline fumes

will not reach an open flame or spark, For long

periods of storage, the gasoline should be drained

and disposed in a safe manner, Always allow the

machine to cool before storing in any enclosure

3

NOTE

This unit is shipped WITHOUT GASOLINE
or OIL, After assembly, see operation
section of this manual for proper fuel and
engine oll recommendations

ASSEMBLY INSTRUCTIONS

Tools Required for Assembly:

121 7/16" Open End or Box Wrenches"
(1) 1/2" Socket Wrench

* An Adiustable Wrench may be used in place of one

of the wrenches

NOTE

The right and left side of your chipper-
shredder is determined from behind the

unit,

o--@@

FIGURE 1,

UNPACKING

Remove the chipper-shredder and loose parts from the

carton,, Make certain all parts and literature have been

removed before the carton is discarded,

Parts in Carton:

Chipper-Shredder

Chute Deflector

Hopper
Upper Leaf Ramp Section

Catcher Bag
Hardware Pack

Safety Glasses

Contents of Hardware Pack (See Figure 1):

A (8) Hex Bolts 1/4-20 x 1/2" Long
B (8) Hex Lock Nuts 1/4-20 Thread
C t6) Hex Washer Head Self-Tapping Screws

5/16-18 x 3/4" Long

D (2) Keepers

Hex Bolts (A)

Hex Lock

..,_.Nuts

j-

FIGURE 2.

Chute

Deflector

CHUTE DEFLECTOR INSTALLATION

1, Place the chute deflector in position on the

discharge opening (on the left side of the chipper-
shredder) See figure 2

2 Secure chute deflector to discharge opening with

hex bolts (A) and hex lock nuts IB) Heads of the
hex bolts are inside the discharge opening Hex nuts

go on the outside

3 Tighten all four nuts and bolts securely

No

Self-Tapping

Screws (C)

FIGURE 3.

Lowe r

Leaf

Ramp

Section

Keeper(D)

Lower Leaf

Ramp Section

INSTALLATION OF HOPPER AND UPPER GUItDE
EXTENSION

1. The lower leaf ramp section on the chipper-shred-

der is placed in an upright position for shipping
purposes Lower this section,

2, Place the hopper in position on the shredder

-- m See figure 3. Start all four hex washer head self-
tapping screws/C),'then tighten securely using a

1/2" socket wrench

FIGURE 4.

\ _ Self-Tapping

Screw (C)

Lower Leaf __

Ramp Section _ \

3 Assembte the keepers (D) to the sides of the unit

•-------- with two hex washer head self-tapping screws (C),
using a t/2" socket wrench, T_ghten securely

4 Place upper leaf ramp section inside the lower fear

ramp section Secure with four hex bolts (A) and
hex lock nuts (B). Tighten securely See figure 5

FIGURE 5.

Ramp Section

ATTACHING THE CATCHER BAG

Your unit is equipped with a nylon bag which attaches
to the discharge opening. If desired, place the end of
the bag over the chute deflector. Depress plunger, pull
on the drawstring, and reIease plunger to lock it in
position. See figure 6

FIGURE 6.

oPERATION

GAS AND OIL FILL tJP

NOTE

ENGINE lS SHIPPED WITHOUT OIL. FILL
CRANKCASE WITH OIL BEFORE STAR-
TtNG BE VERY CAREFUL NOT TO
ALLOW DIRT TO ENTER THE ENGINE
WHEN CHECKING OR ADDING OIL OR

FUEL

Recommended SAE Viscosity Grades

LIII TI !o! o T9
ErrI, ,,,!!r!t!r

-20 ° 0o 32 ° 60 ° 80 ° 100 °

TEMPERATURE RANGE EXPECTED BEFORE NEXT OIL
CHANGE, ALL OILS MUST A,PI SERVICE CLASSIFICA-

TION SD, SE OR SE

1, Fill engine with oil,

a Remove engine oil fillplug. See figure 7.

b. With chipper-shredder level, fill engine with oil

to point of overflowing. Capacity is 1-1/4 pints

c Tilt chipper-shredder forward on its wheels,

then re-level.

d Check oil level, Refill to point of over-flowing

if necessary. Replace oil fill plug.

j o_ \'tll))i

Plug

....................... :.............................. ii lUHl=

2 Fill fuel tank. See figure 8. Use fresh, clean,

unleaded automotive gasoline. Capacity is 3 quarts_

Throttle

Control Lever luffler

Fuel

Tank

• park
Plug,

and

FIGURE 8,

t w...,.ot

Fill to within 1/2 inch of top of fuel tank
to prevent spills and to allow for fuel

expansion If gasoline is accidently spill-
ed, move chipper-shredder away from
area of spill Avoid creating any source of
ignition until gasoline vapors have
disappeared,

NOTE

FIGURE 7.

t

Oil Drain Plug

DO NOT USE GASOHOL OR
METHANOL. These type fuels react with

water content in the fuel and tend to form
strong acids which can corrode metal

parts and harm rubber plastics_
USE CLEAN OIL AND FUEL. STORE IN

APPROVED, CLEANI COVERED CON+
TAINERS, USE CLEAN FILL FUNNELS.

6