Craftsman 247.7701 User Manual [en, es]

Operator’s Manual

4.5 Horse Power

YARD VACUUM

Model No. 247.770100

CAUTION: Before using this product, read this manual and follow all Safety Rules and Operating Instructions.

• Safety

• Assembly

•Operation

• Maintenance

•Parts

•Español

Sears, Roebuck and Co., Hoffman Estates, IL 60179, U.S.A.

Visit our Sears website: www.sears.com/craftsman

Printed in U.S.A.

ECO No. 002480

FORM NO.

770-10233E.fm (8/00)

TABLE OF CONTENTS

Content Page

Warranty 2 Safety 3 Assembly 5 Operation 7 Maintenance 10

Content Page

Service and Adjustments 12 Storage 14 Troubleshooting 15 Parts List 16

WARRANTY

Limited Warranty on Craftsman Yard Vac uum

For one (1) year from the date of purchase, if this Craftsman Equipment is maintained, lubricated, and tuned up according to the instructions to the operator’s manual, Sears will repair or replace free of charge any parts found to be defective in material or workmanship. Warranty service is available free of charge by returning Craftsman equipment to your nearest Sears Service Center. In-home warranty service is available but a trip charge will apply. This Warranty applies only while this product is in the United States.

This Warranty does not cover:

• Expendable items which become worn during normal use, such as spark plugs, air cleaners, belts, and oil filters.

• Tire replacement or repair caused by punctures from outside objects, such as nails, thorns, stumps, or glass.

• Repairs necessary because of operator abuse, including but not limited to, damage caused by objects, such as stones or metal debris, oversized stock, impacting objects that bend the frame or crankshaft, or overspeeding the engine.

• Repairs necessary because of operator negligence, including but not limited to, electrical and mechanical damage caused by improper storage, failure to use the proper grade and amount of engine oil, or failure to maintain the equipment according to the instructions contained in the operator’s manual.

• Engine (fuel system) cleaning or r epairs caused by fuel determin e to be contaminated or oxidiz ed (stale). In general, f uel sho uld be us ed within 30 days of its purchase date.

• Equipment used for commercial or rental purposes.

TO LOCATE THE NEAREST SEARS SERVICE CENTER OR TO SCHEDULE SERVICE, SIMPLY CONTACT SEARS AT 1-80 0-4-M Y-HOME.

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

PRODUCT SPECIFICATION

Horsepower: 4.5 Horse Power Engine Oil Type SAE 30 Engine Oil Capacity 20 Ounces Fuel Capacity: 1 1/2 Quarts Spark Plug Champion RJ-19LM Spark Plug Gap .030"

Model Number............. .......... ............. .......... ...........

Serial Number........... ............. .......... ............. .......... ..

Date of Purchase.......... ............. .......... ............. ........

Record both serial number and date of purchase and keep in a safe place for future reference.

247.770100

SAFETY

WARNING: This symbol points out important safety instructions which, if not followed, could

endanger the personal safety and/or property of yourself and others. Read and follow all instructions in this manual before attempting to operate this machine. Failure to comply with these instructions may result in personal injury. When you see this symbol - heed its warning.

WARNING: Engine Exhaust, some of its constituents, and certain vehicle

components contain or emit chemicals known to State of California to cause cancer and birth defects or other reproductive harm.

DANGER

manual. As with any type of power equipment, carelessness or error on the part of the operator can result in serious injury. This machine is capable of amputating hands and feet and throwing objects. Failure to obser ve the f ollow ing saf ety ins truct ions could r esult i n seri ous inj ury or death.

: This machine was built to be operated according to the rules for safe operation in this

TRAINING

1. Read, understand, and follow all instructions on

the machine and in the manual(s) before attempting to assemble and operate. Keep this manual in a safe place for future and regular reference and for ordering replacement parts.

2. Be familiar with all controls and their proper

operation . Know how to st op the ma chine a nd disengage them quickly.

3. Never allow children under 16 years old to

operate this machine. Children 16 years old and over should read and understand the operation instructions and safety rules in th is manual and should be trained and supervised by a parent.

4. Never allow adults to operate this machine

without proper instruction.

5. Keep bystanders, helpers, pets, and children at

least 75 feet from the machine while it is in operation. Stop machine if anyone enters the area.

6. Never run an engine indoors or in a poorly

ventilated area. Engine exhaust contains carbon monoxide, an odorless and deadly gas.

7. Do not put hands an d feet ne ar rotati ng parts or in

the feeding chambers and discharge opening. Contact with the rotating impeller can amputate fingers, hands, and feet.

8. Never attempt to unclog either the feed intake or

discharge opening, remove or empty vacuum bag, or inspect and repair the machine while the engine is running. Shut the engine off and wait until all moving parts have come to a complete stop. Disconnect the spark plug wire and ground it against the engine.

PREP ARATION

1. Thorou ghly i nspec t the ar ea wher e the

equipment is to be used. Re move all rocks, bottles, cans, or ot her forei gn objects which could be picked up or thrown and cause personal injury or damage to the machine.

2. Always wear safety glasses or safety goggles during operation or while performing an adjustment or repair, to protect eyes. Thrown objects which ricochet can cause serious injury to the eyes.

3. Wear sturdy, rough-soled work shoes and closefitting slacks and shirts. Loose fi tting c lothes or jewelry can be caught in movable parts. Nev er operate this machine in bare feet or sandals. Wear leather work gloves when feeding material in the chipper chute.

4. Before starting, check all bolts and screws for proper tightness to be sure the machine is in safe working condition. Also, visually inspect machine for any dama ge at f requent inte rvals .

5. Maintain or replace safety and instructions labels, as necessary.

6. To avoid personal injury or property damage use extreme care in handling gasoline. Gasoline is extremely flammable and the vapors are explosive. Serious personal injury can occur when gasoline is spilled on yourself or your clothes which can ignite. Wash your skin and change clothes immediately.

a. Use only an approved gasoline container. b. Extinguish all cigarettes, cigars, pipes, and

other sources of ignition. c. Never fuel machine indoors. d. Never remove gas cap or add while the

engine is hot or running. e. Allow engine to cool at least two minutes

before refueling. f. Never over fill fuel tank. Fill tank to no more

than 1/2 inch below bottom of filler neck to

provide space for fuel expansion. g. Replace gasoline cap and tighten securely. h. If gasoline is spilled, wipe it off the engine

and equipment. Move machine to another

area. Wait 5 minutes before starting the

engine.

i. Never store t he machi ne or fu el cont aine r

inside where there is an open flame, spark, or pilot light (e.g. furnace, water heater, space heater, clothes dryer, etc.)

j. To reduce a fire hazard, keep machine free

of grass, leaves, or other debris build-up. Clean up oil fuel spillage and remove any fuel soaked debris.

k. Allow machin e to cool at leas t 5 minu tes

before stor ing.

OPERATION

1. Do not put hands and feet near rotating parts or in the feedin g chambe rs and d ischar ge ope ning. Contact wit h the r otati ng impe ller c an ampu tate fingers, hands, and feet.

2. Before starting the machine, make sure the chipper chute, feed intake, and cutting chamber are empty and free of all debris.

3. Thoroughly inspect all material to be shredded and remove any metal, rocks, bottles, cans, or other foreign objects which could cause personal injury or damage to the machine.

4. If the impeller strikes a foreign object or if your machine should start making an unusual noise or vibration, immediately shut the engine off. Allow the impeller to come to a complete stop. Disconne ct the spark plug wire, ground it against the engine and perform the following steps:

a. Inspect for damage. b. Repair or replace any damaged parts. c. Check for any l oose pa rts and tighte n to

assure continued safe operation.

5. Do not allow an accumulation of processed material to build up in the discharge area. This can prevent proper discharge and result in kickback of material through the feed opening.

6. Do not attempt to shr ed or chi p mate rial l arger t han specified on the m achin e or in t his manu al. Personal injury or machine damage could result.

7. Never attempt to unclog either the feed intake or discharge opening while the engine is running. Shut the engine off, wait until all moving parts have stopped, disconnect the spark plug wire and ground it against the engine before clearing debris.

8. Never operate without vacuum bag and discharge chute properly attached to the machine. Never empty or change vacuum bag while the engine is running. Zippered end of vacuum bag must be kept closed at all times during operation.

9. Never operate without either the inlet nozzle or optional hose attachment properly attached to the machine. Never attempt to attach or change either attachment while the engine is running.

10. Keep all guards, deflectors and safety devices in place and operating properly.

11. Keep your face and body back and to the side of the chipper chute while feeding material into the machine to avoid accidental kickback i njuries.

12. Never operate this machine without good visibility or light. Always be sure of your footing and keep a firm hold on the handles.

13. Do not operate this machine on a gravel surface.

14. Do not operate this machine while under the influence of alcohol or drugs.

15. Muffler and engine become hot and can cause a burn. Do not touch.

16. Never pick up or carry machine while the engine is running.

MAINTENANCE AND STORAGE

1. Never tamper with safety devices. Check their proper operation regularly.

2. Check bolts and screws for pr oper t ightn ess at frequent intervals to keep the machine in safe working condition. Also, visually inspect machine for any dama ge and r epair , if ne eded.

3. Before cleaning, repairing, or inspecting, stop the engine and make certain the impeller and all moving parts have stopped. Disconnect the spark plug wire and ground it against the engine to prevent unintended starting.

4. Do not change the engi ne gove rnor set ting s or overspeed the engine. The governor controls the maximum safe operating speed of the engine.

5. Maintain or replace safety and instruction labels, as necessary.

6. Follow this manual for safe loading, unloading, transporting, and storage of this machine.

7. Never store the machine or fuel container inside where there is an open flame, spark or pilot light such as a water heater, furnace, clothes dryer, etc.

8. Always refer to the o perator ’s ma nual fo r prope r instruct ions o n off-se ason s torag e.

9. If the fuel tank has to be drained, do this outdoors.

10. Observe proper disposal laws and regulations for gas, oil, etc. to protect the environment.

Rope Guide

20-oz. Bottle

of Engine Oil

Wing Nuts

Blower Chute

Wing Nut

ASSEMBLY

NOTE: Reference to right an d left hand side of the

Yard Vacuum is observed from the operating position. See Figure 1.

This Yard Vacuum has been completely assembled at the factory, except for the handle, bag, and blower chute. These parts are ship ped loose in the carton. A pair of safe ty gla ss es and a 20- oz. bot t le of eng i ne oil are also included in the carton. See Figure 1.

REMOVING UNIT FROM CAR TON

• Cut the corners of the carton.

• Remove all loose parts.

• Remove packing material.

• Lift unit from the rear to discard packing material

• Check carton thoroughly for any other loose

LOOSE PAR TS IN CART ON (See Figur e 1)

Upper Handle

• Handle Assembly

•Bag

• Blower Chute

• Safety Glass es (Not Sh own)

• A 20-oz. Bottle of Engine Oil (may be located in

• Operator’s Manual

DISCONNECTING SP ARK PLUG

Before proceeding with assembly of your new Yard Vacuum, disconnect the sp ark plug wire from the spark plug and ground onto the retaining post on the engine. This will preven t acc idental starting of the

Bag

engine. See Figure 2.

from under unit and roll unit out of carton. parts.

bag)

Lower Handle

Wing Nuts

Carriage Screw

Figure 1

IMPORT ANT :

oil in the engine. After assembly, see OPERATION

section of this manual for proper fuel and engine oil fill-up.

This unit is shipped without gasoline or

Retaining Post

Spark Plug Wire

Figure 2

A TT ACHING THE HANDLE

• Unfold the upper handle until it aligns with lower handle. Make sure the rope guide is on the right side of upper handle. See Figure 1.

• Secure the two handles by tightening the upper wing nuts (carriage bolts must be seated properly into the handle).

• Remove the hairpin clips from the handle brackets and the carriage bolts and wing nuts from the lower handle. See Figure 3.

• Place each bottom hole in lower handle over the pins on handl e brack ets an d secu re with hairpi n clips.

• Insert carriage bolts thru upper hole in lower handle from the outside and secure with wing nuts.

Lower Handle

Carriage Bolt

Hairpin

Clip Handle Brackets

Wing Nuts

Figure 3

• Loosen the wing nut that secures the rope guide to the right side of upper handle.

• Pull the s tarte r rope ou t of th e engi ne slowl y and slip the st arter rope int o the ro pe gui de. Tig hten the wing nut.

• Grasp bag handle with one hand and pull locking rod on mounting bracket with other hand toward engine. See Figure 4.

• Slip bag over the rim of the discharge opening and release locking rod to secure bag in place.

• Snap bag clip to the top of the lower handle.

• Place t he lower st raps on th e bag over the top of lower handle, hooking them on the studs.

NOTE: The bag/chute switch bu tton attached to the mounting bracket mus t be fully depress ed by the tip of front tab on bag handle when securing the bag or engine will not start.

A TTACHING THE BLOWER CHUTE

NOTE: The bag must be removed before installing the blower chute.

• Grasp blower chute with one hand and pull lock-

ing rod on mounting bracket with other hand toward engine. See Figure 5.

• Slip blower chute over rim of discharge open-

ing and release locking rod to secure chute in place.

• Raise the nozzle height to the highest setting

when using the blo wer chut e. Refer to noz zle height adjustment in the ADJUSTMENT section.

NOTE: The bag/chute switch bu tton attached to the mounting bracket mus t be fully depress ed by the tip of front tab on the blower chute or engine will not start.

A TT ACHING THE BAG

Lower Handle

Bag Handle

Stud

Locking Rod

To Engine

Bag/Chute Switch

Front Tab

Figure 4

Bag Clip

Stud

Front Tab

Strap

Front Tab

Blower Chute

Front Tab

Safety Switch

Locking Rod

Figure 5

OPERATION

Know Your Yard Vacuum

Read this operator’s manual and safety rules before operating your Yard Vacuum. Compare the illustrations below with your equipment to familiarize yourself with the location of various controls and adjustments. Save this manual for future reference.

WEAR YOUR

SAFETY GLASSES

FORESIGHT IS BETTER

THAN NO SIGHT

The operation of any Yard Vacuum can result in foreign objects being thrown into the eyes, which can result in severe eye damage. Always wear safety glasses, provided with the Yard Vacuum, for operating this equipment or while performing any adjustments or repairs on it.

Starter Handle

Bag

Blower Chute

Nozzle Height Adjustment Lever

Chipper Chute

Figure 6

OPERA TING CONTROLS (See Figure 6)

Chipper Chute

Allows twigs and small branches up to 1 1/2" in diameter to be fed into the impeller for chipping.

Nozzle

Yard waste s uch as l eaves an d pine needle s can be vacuumed up through the nozzle for shredding.

Catcher Bag

Collects shredded material fed in through the chipper chute or vacuumed in through the nozzle.

Blower Chute

When attac hed to u nit, t he blow er chut e is used to blow or scat ter ya rd wast e such as leav es, pine needle, or small twigs across yard.

Bag Handle

Used to grasp bag in order to assist in attaching, removing , and empt ying ba g.

Bag Handle

Throttle Control/

Choke Lever

Primer

Spark Plug Wire

Nozzle

Nozzle Height Adjustment Lever

Used to adjust the nozzle ground clearance ranging from 5/8" to 3 3/4".

Throttle Control / C hoke Lever

This singl e lever cont rols th e engine speed, stop function, and the choke of the carburetor. Through four separate positions on the lever fro m left to right, the operation is as follows:

Stop

Engine

Off

Slow/ Idle

Start/ Run

Choke

Primer

The primer is used to assist in cold starting an engine.

Starter Handle

Used to start the engine.

Meets ANSI safety standards

Craftsman Yard Vacuums conform to the safety standard of the American National Standards Institute (ANSI).

GAS AND OIL FILL-UP

Oil (one 20-oz. bottle shipped with unit)

Only use high quality detergent oil rated with API service classification SF, SG, or SH. Select the oil’s SAE viscos ity gr ade acco rdin g to the ex pecte d operating temperature. Follow the chart below.

Colder

5W30 SAE 30

Oil Viscosity Chart

NOTE: Alt hough multi-viscosity oils (5W30, 10W30,

etc.) improve starting in cold weathe r, the y will result in increa se d oi l con sum pt io n w hen us ed abo ve 32°F . Check your engine oil level m ore frequently to avoid possible engine damage from running low on oil.

• Remove oil fill dipstick.

• With the Yard Vacuum on level ground, use a funnel to fill engine with oil to FULL mark on dipstick. Capacity is approximately 20 oz. Be careful not to overfill. Overfilling will cause the engine to smoke profusely and will result in poor engine performance. The oil bottle packaged with your Yard Vacuum contains 20 oz. of oil.

• Check the oil level making certain not to rub the dipstick along the inside walls of the oil fill tube. This would result in a false dipstick reading. Refill to FULL mark on dipstick, if necessary. Replace dipstick and tighten.

• Check oil level three times prior to starting engine to be certain you’ve gotten an accurate dipstick reading. R unnin g the eng ine wi th too littl e oil ca n result in permanent engine damage.

Gasoline

• Remove f uel ca p from the fuel t ank.

• Make sure the container from which you will pour the gasoline is clean and free from rust or foreign particles. Never use gasoline that may be stale from long periods of storage in its container. Gasoline t hat ha s been si tting for any period longer than four weeks should be considered stale.

• Fill fuel tank with clean, fresh, unleaded regular, unleaded premium or reformulated automotive gasoline only. DO NOT use Ethyl or high octane gasoline. Do not u se gas oline co ntain ing METHANOL. R eplac e fuel ca p.

• To avoid engine problems, the fuel system should be emptied before storage for 30 days or longer. Drain the gas tank, start the engine and let it run until the fuel lines and carburetor are empty. Use fresh fuel next season. See STORAGE section for additional information.

Warmer

WARNING: Use extreme care when handling gasoline. Gasoline is e x tr emel y flammable and the vapo rs ar e exp losiv e. Never fuel machin e indoors o r while the engine is hot or running. Extinguish cigarettes, cigars, pipes, and other sources of ignition.

• Check the fuel level periodically to avoid running out of gasoline while operating the Yard Vacuum. If the unit runs ou t of gas as it is c hippi ng, it may be necessary to unclog the unit before it can be restarted. Refer to SERVICE AND ADJUSTMENT section.

TO STOP ENGINE

• Move throttle control lever to STOP or OFF position.

• Disconnect spark plug wire and ground it to the post to prev ent ac cident al sta rtin g while the equipment is unat tended .

WARNING: When moving throttle control lever, be careful of heated surfaces and sharp edges on muf fler guard .

TO ST AR T ENGINE

1. Attach spark plug wire and rubber boot to spark plug.

2. The bag/chute switch button must be fully depressed by the tip o f front tab on bag handle or blower chute for engine to start.

3. Make sure bag/chute s witch wire is conne cted to engine and grounded to mounting bracket.

4. Gas tank should be fille d 3/4 to full before start ing.

5. When temperature is ab o ve 32 degrees F:

• Move throttle control / choke level to START/ RUN position.

• Depress t he prim er bulb firml y with y our thumb three times. Wait about two seconds between each push. Do not use the primer to restart a warm engine after a short shutdown. See Figure 7.

When temperature is b el o w 32 degrees F:

• Move throttle control / choke lever on engine to CHOKE position. (A warm engine may not require choking.) See Figure 7.

• If not using choke to start engine, move throttle control / choke lever to START/RUN position.

• Depress the primer bulb firmly with your thumb three times. Wait about two seconds between each push.

NOTE: See air cleaner on side of engine for further starting instructio ns.

Throttle Control/ Choke Lever

Primer

Figure 7

6. Standing behind the unit, grasp starter handle and pull rope out until you f eel a drag.

7. Pull the rope with a rapid, continuous, full arm stroke. Keep a firm grip on the starter handle. Let the rope rewind slowly.

8. Repeat, if necessar y, until engine starts. When engine starts, move thr ot tl e /choke lever gradually to START/RUN position .

9. If engine falters, mov e control lever to CHOKE position, then back to START/RUN position.

10. ALWAYS keep the throttle control in the START/ RUN position when operating the Yard Vacuum.

TO EMPTY BAG

• Unhook bag straps from the lower handle and unsnap bag cl ip fro m top of the lowe r handl e. See Figure 8.

• Grasp bag handle with one hand and pull lock rod on mounting bracket with other hand toward engine to rel eas e.

• Remove bag from over the rim of the discharge opening. Re fer to F igure 4 .

• Twist the two buttons on the back of the bag to unlock and empty contents. See Figure 8.

• Hold bag handle and bag clip while emptying the contents.

• Compress bag open ing an d fold in ner fl ap over opening.

• Fold outer flap over inner flap and insert buttons on the bag th rough m etal o utlet s.

• Twist the buttons to lock bag.

TO REMOVE BLOWER CHUTE

• Grasp blower chute with one hand and pull lock rod on mounting bracket with other hand toward engine to release. Refer to Figure 5.

• Remove blower chute from over the rim of the discharge opening.

OPERATION

Place both hands on top of upper handle to push unit over yard waste. Yard waste such as leaves and pine needles are vacuumed up through the nozzle and shredded by the flail blades on the impeller assembly and discharged into catcher bag or through blower chute. Do not attempt to shred or chip any material other than vegetation found in a normal yard (i.e. branches, leaves, twigs, etc.). Avoid fibrous plants such as toma to vi nes unti l they a re thor ough ly dried out. Material such as stalks or heavy branches up to 1 1/2" in diameter may be fed into the chipper chute. See Figure 9.

Outer Flap

Strap

Figure 8

Buttons

Inner Flap

Bag Handle

Bag Clip

Chipper Chute

Nozzle

Figure 9

WARNING: Do not attempt to shred, chip, or vacuum any materia l larger than specified on the machine or in this manual. Personal injury or damage to the machine could result.

IMPORT ANT:

housing in the discharge area. If the flail screen becomes clogged, stop engine and remove and clean as instructed in the SERVICE AND ADJUSTMENT section.

The flail screen located inside the

MAINTENANCE

MAINTENANCE SCHEDULE

T C

Lubrication

U D O R

Clean equipment

Check engine oil Change engine oil

E N

Service air cleaner

G N E

Service spark plug Service muffler Clean engine

GENERAL RECOMMENDA TIONS

• Always observe safety rules when performing any maintenance.

• The warranty on this Yard Vacuum does not cover items that have been subjected to operator abuse or negligence. To receive full value from the warran ty, ope rator m ust mai ntai n the equipment as instructed in this manual.

• Some adjustments will need to be made periodically to maintain your equipment properly.

• Follow the maint enanc e schedu le.

• Periodically check all fasteners and make sure

they are tig ht.

WARNING: Always stop the engine and disconnect and ground the spark plug wire before performing any maintenance or adjustments.

CLEAN EQUIPMENT

• Clean the Yard Vacuum thoroughly after each use.

• Wash the bag periodically with water. Allow to dry thoroughly in the shade.

• If the flail screen becomes clogged, remove and clean as instructed in the SERVICE AND ADJUSTMENT s ectio n.

NOTE: Cleaning with a forceful spray of water is not recommended as it could contaminate the fuel system.

CHECK ENGINE OIL

• Remove oil fill dipstick.

• Check oil level on dipstick. Level should be at

FULL mark.

• Replace dipstick and tighten.

LUBRICATION

• Wheels- Place a few drops of SAE 30 oil on each shoulder screw once a season. Refer to •.

• Nozzle height adjustment levers- Lubricate nozzle height adjustment levers with light oil. Refer to Figure 6.

• Locking Rod- Lubricate the lock rod and compression springs which attach to the mounting bracket. Refer to Figure 4.

CHANGE ENGINE OIL

• Only use high quality detergent oil rated with API service classification SF, SG, or SH. Sel ect the oil’s SAE viscosity grade according to the expected operating temperature. Refer to operation section for viscosity chart .

• Stop engine and wait several minutes before checking oil level. With engine on level ground, the oil must be to FULL mark on dipstick.

• Change engine oil after the first five hours of operation, and ev ery tw enty-fi ve hou rs thereafter.

TO DRAIN OIL

Drain oil while engine is warm. Follow the instructions given below.

• Drain the gas tank, start the engine and let it run until the fuel line and carburetor are empty.

• Remove oil fill dipstick.

• Tip unit on its side to drain through the oil fill tube.

• When engine is drained of all oil, refill with

approximately 20 oz. of fresh oil. Refer to Gas And Oil Fill-up in OPERATION section.

• Replace dipstick.

SERVICE AIR CLEANER

The air cleaner prevents damaging dirt, dust, etc., from entering the carburetor and being forced into the engine and is important to engine life and performance. The air cleaner consists of a foam filter. Never run the engine without an air cleaner completely assembled.

To Service Air Cleaner:

• Remove foam filter from plastic housing on top of engine.

• Wash in water and detergent solution, and squeeze (do not twist) until all dirt is removed.

• Rinse thoroughly in clear water.

• Wrap in a clean cloth and squeeze (do not twist)

until completely dry, or allow to air dry.

• Saturate with engine oil and squeeze to distribute oil and remove excess oil.

• Replace foam filter in plastic housing

NOTE: If the foam filter is torn or damaged in any way, replace it.

WARNING: muffler and nearby areas may exceed

F(65

150

WARNING: Temperature of

C). Avoid these areas.

SERVICE SPARK PLUG

• Clean the spark plug and reset the gap to .030" at least once a season or every 50 hours of operation. See Figure 10. Spark plug replacement is recommended at the start of each season. Refer to engine parts list for correct spark plug type.

NOTE: Do not sandblast spark plug. Spark plug should be cleaned by scrapin g or wire brushing and washing with a commercial solvent.

.030" Feeler Gauge

Spark Plug

Figure 10

SERVICE MUFFLER

• Inspect muffle r peri odical ly, an d repl ace if necessary.

• If your engine is equipped with a spark arrester screen assembly, remove after every 50 hours of use for cleaning and inspection. Replace if damaged.

WARNING: Do not operate the Yard Vacuum without a muffler or tamper with the exhaust system. Damaged mufflers or spark arresters could create a fire hazard.

CLEAN ENGINE

• Clean engine by removing dirt and debris with a cloth or brush.

• Frequently remove grass clippings, dirt, and debris from cooling fins, air intake screen, levers, and linkage. This will help ensure adequate cooling and engine speed.

SERVICE AND ADJUSTMENTS

WARNING: Do not at any time make any adjustment to the unit without first stopping engine and disconnecting spark plug wire.

NOZZLE HEIGHT ADJUSTMENT

The nozzle can be adjusted to any of five positions, ranging from 5/8" to 3 3/4" ground clearance. The nozzle height has to be adjusted according to the conditions. Move the height adjustment levers forward or backward to adjust the nozzle upward or downward. I t may be n ecessar y to ap ply sli ght pressure to lower handle assembly, when shifting adjustment levers. See Figure 11.

NOTE: In general, raise the nozzle height to vacuum a thick layer of le aves or to operate with th e blower chute. Low er th e noz zle he ight f or s moother surf aces.

nearest S ears Se rvice C enter for re pair and adju stment.

WARNING: Do not attem pt to alter the engine speed by tampering with the engine’s governor linkage. Doing so could result in serious persona l injury and damage to the engine. The engine RPM has been s et at th e facto ry.

REMOVING THE FLAI L SCREEN

If the discharge area becomes clogged, remove the flail screen and clean area as follows.

• Stop the e ngine. Make ce rtain t he chi pper shredder vacuum has come to a complete stop.

• Disconnect and ground the spark plug wire

before unclogging the discharge chute.

• Remove th e vacuum bag or bl ower ch ute fr om the unit as instructed in the OPERATION section to obtain access to flail screen. See Figure 12.

Hex Screw & Flat Washer

Height

Nozzle

Figure 11

Adjustment Lever

CARBURETOR ADJUSTMENT

WARNING: If any adjustments (e.g. carburetor) are made to the engine while the engine is running, keep clear of all moving parts. Be careful of heated surfaces and muffler.

The carburetor has been pre-set at the factory and should not r equire adju stment . If your engin e does not operate properly due to suspected carburetor problems, take your Yard Vacuum to a Sears Service Center for repair and adjustment.

ENGINE SPEED

The engine speed on your Yard Vacuum has been set at the factory. Do not attempt to increase the engine RPM. If you think that the engine is running too fast or too slow, take your Yard Vacuum to the

Lock Nut

• Remove hex screw on right side of unit that attaches to the flail screen. See Figure 13.

• Remove hex screw and flat washer on top o f rear housing near mounting bracket and the lock nut that secures flail screen. See Figure 12.

• Remove and clean the screen by scraping or washing with water. Reinstall the scr een.

Flail Screen

REAR VIEW

Figure 12

Figure 13

Remove Hex Screw

+ 28 hidden pages

Craftsman 247.7701 User Manual [en, es]

Specifications and Main Features

Frequently Asked Questions

User Manual