Loading...OWNER’S
MANUAL
MODEL NO.
247.799620
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CRRFTSMflN |
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9 HORSEPOWER |
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Caution; |
SELF-PROPELLED |
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CHIPPER-SHREDDER-VACUUM |
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Read and Follow |
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All Safety Rules |
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and Instructions |
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Before Operating |
Assembly |
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This Equipment |
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Operation |
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Customer Responsibilities |
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Service and Adjustment |
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Repair Parts |
SEARS, ROEBUCK AND CO., Hoffman Estates, IL 60179 U.S.A.
*rinted in U.S.A. |
770-0352L 5/96 |
IMPORTANT |
SAFE OPERATION PRACTICES |
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THIS SYMBOL POINTS OUT IMPORTANT SAFETY INSTRUCTIONS WHICH, IF NOT FOLLOWED, COULD ENDANGER THE PERSONAL |
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SAFETY AND/OR PROPERTY OF YOURSELF AND OTHERS. READ AND FOLLOW ALL INSTRUCTIONS IN THIS MANUAL BEFORE |
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ATTEMPTING TO OPERATE YOUR POWER CHIPPER-MCUUM. FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN |
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▲ PERSONAL INJURY. WHEN YOU SEE THIS SYMBOL- - ^ HEED ITS WARNING. |
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Your chipper-vacuum vas built to be operated according to the rules for safe operation in
A this manual. As with a ny type of power equipment, carelessness or error on the part of the DANGER: operator can result in serious injury. This unit is capable of amputating fingers and hands
and throwing objects. Failure to observe the following safety instructions could result in serious injury or death.
I. GENERAL OPERATION
Read this owner’s guide carefully in its entirety befo e attempt ing to assemble this machine. Read, understand, an j follow all instructions on the machine and in the manuai(s) be’ore opera tion. Be completely familiar with the controls and the proper use of the machine before operating it. Keep this manu il in a safe place for future and regular reference and for order! ig replace ment parts.
•Your chipper-vacuum is a powerful tool, not a plaything. Therefore, exercise extreme caution at all times. Ycjr unit has been designed to perform two jobs; to chip and vacu jm vegeta tion found in a normal yard. Do not use it for any oth ir purpose.
•Never allow children under 16 to operate the unit, '¡hildren 16 years and older should only operate under close part ntal super vision. Only responsible individuals who are familial with these rules of safe operation should be allowed to use your jnit.
•Keep the area of operation clear of all persons, partic ilarly small children and pets. Stop the engine when they are in the vicinity of the unit.
•When feeding material into this equipment, be extremely careful that pieces of metal, rocks, bottles, cans or other fort ign objects are not included. Personal injury or damage to tl e machine could result.
•Always wear safety glasses or safety goggles, durin ] operation
and while performing an adjustment or repair, to protect eyes from foreign objects that may be thrown from the ma :hine.
•Wear sturdy, rough-soled work shoes and close fi ting slacks and shirt. Shirt and slacks that cover the arms ard legs and steel-toed shoes are recommended. Do not wear I )ose fitting clothes or jewelry, and secure hair above shoulder length. They can be caught in moving parts. Never operate a unit n bare feet, sandals or sneakers. Wear gloves when feeding ma:erial in the chipper chute.
•Do not operate the unit while under the influence o alcohol or drugs.
•Do not over-reach. Keep proper footing and balance it all times.
•Never place your hands or any part of your body or c othing near
or under rotating parts. Keep clear of the discharge opening at all times Never insert your hands or any part of ynur body or clothing into the nozzle, chipper chute or discharge opening as the rotating impeller can cause serious injury.
If it is necessary for any reason to unclog the feed ir take or discharge openings or to inspect or repair any part of 1 ne machine where a moving part can come in contact with yc ur body or clothing, stop the machine, allow it to cool, disconne :t the spark plug wire from the spark plug and move it away fro n the spark plug before attempting to unclog, inspect or repair.
Never operate unit without vacuum bag and disci arge chute properly affixed to unit. Large zippered end of b ig must be closed to prevent objects from being blown out.
• Never operate |
unit without either the inlet nozzle or optional |
hose attachment |
properly affixed to unit. These devices shield |
the operator from accidental contact with the rotating impeller. Never attempt to convert the unit from nozzle to hose mode or vice versa with the engine running.
• Never attempt to remove or empty vacuum bag when engine is running. Shut the engine off and wait for the impeller to come to a complete stop before removing the bag. The impeller contin ues to rotate for a few seconds after the engine is shut off. Never place any part of the body in the impeller area until you are sure the impeller has stopped rotating.
•Keep all guards and safety devices in place and operating prop erly.
•Do not allow an accumulation of processed material to build up in the discharge area as this will prevent proper discharge and can result in kick-back from the chipper chute.
•Keep your face and body back from chipper chute to avoid acci dental bounce back of any material.
•If the cutting mechanism strikes a foreign object or if your machine should start making an unusual noise or vibration, immediately stop the engine, disconnect the spark plug wire and move the wire away from the spark plug. Allow the machine to stop and take the following steps.
•Inspect for damage
•Repair or replace any damaged parts.
•Check for any loose parts and tighten to assure continued safe operation.
•Muffler and engine become hot and can cause a burn. Do not touch.
•Do not allow leaves or other debris to build up on engine’s muf fler. The debris could ignite and cause a fire.
•Do not operate engine if air cleaner or cover over carburetor air-
intake is removed, except for adjustment. Removal of such parts could create a fire hazard.
Jl. CHILDREN
Tragic accidents can occur if the operator is not alert to the pres ence of small children. Children are often attracted to the chipping
and vacuuming activity. Never assume that children will remain where you last saw them.
•Keep children out of the work area and under the watchful eye of a responsible adult other than the operator.
•Be alert and turn the unit off if a child enters the area.
•Never allow children under the age of 16 to operate the chippervacuum.
III.SERVICE
Use extreme care in handling gasoline and other fuels. They are extremely flammable and the vapors are explosive.
•Store fuel and oil in approved containers, away from heat and open flame, and out of the reach of children.
•Check and add fuel before starting the engine. Never remove gas cap or add fuel while the engine is running. Allow engine to cool at least two minutes before refueling.
•Replace gasoline cap securely and wipe off any spilled gasoline before starting the engine as it may cause a fire or explosion.
•Extinguish all cigarettes, cigars, pipes and other sources of ignition.
•Never refuel unit indoors because flammable vapors will accumulate in the area.
•Never store the machine or fuel container inside where there is an open flame or spark such as a gas hot water heater, clothes dryer or furnace.
•Never run your machine in an enclosed area as the exhaust from the engine contains carbon monoxide, which is a odorless, tasteless and deadly poisonous gas.
•To reduce fire hazard, keep engine and muffler free of leaves, grass, and other debris build-up. Clean up fuel and oil spillage. Allow unit to cool at least 5 minutes before storing.
•Before cleaning, repairing, or inspecting, make certain the
impeller and all moving parts have stopped. Disconnect the spark plug wire and keep wire away from spark plug to prevent accidental starting. Do not use flammable solutions to clean air filter.
Keep all nuts, bolts, and screws tight to be sure the equipment is in safe working condition.
Never tamper with safety devices. Check their proper operation regularly.
After striking a foreign object, immediately stop the engine, dis connect the spark plug wire from the spark plug, and thoroughly inspect the unit for any damage. Repair damage before starting and operating unit.
Do not alter or tamper with the engine’s governor setting. The governor controls the maximum safe operating speed of the engine. Over-speeding the engine is dangerous and will cause damage to the engine and to other moving parts of the machine.
Check the vacuum bag frequently for wear. Replace if worn or damaged.
Keep vacuum bag free of debris when not in use.
OWNER’S
MANUAL
SAFETY LABEL
WARNING — YOUR RESPONSIBILITY
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Restrict the use of this power machine to persons who read, understand and follow the warnings and instructions in this manual and on the machine.
CONGRATULATIONS on your purchase of a Sears Craftsman Chipper-Vacuum. It has been designed, engineered and manufactured to give you the best possible dependability and performance.
Should you experience any problem you cant ot easily remedy, please contact your nearest Sears Servit e Center/
Department in the United States, We have competent, welltrained technicians and the proper tools to service or repair this unit.
Please read and retain this manual. The instru étions will enable you to assemble and maintain your chippor-vacuum properly. Always observe the “SAFETY RULES.”
MODEL
NUMBER. 247.799620
SERIAL
NUMBER.
DATE OF
PURCHASE.
THE MODEL AND SERIAL NUMBERS WILL BE FOUND
ON A LABEL ATTACHED TO THE FRAME DF THE CHIPPER-VACUUM.
YOU SHOULD RECORD BOTH SERIAL NUMBER AND
DATE OF PURCHASE AND KEEP IN A SAFE PLACE
FOR FUTURE REFERENCE.
CUSTOMER RESPONSIBILITIES
•Read and observe the safety rules.
•Follow a regular schedule in maintaining, taring for and using your chipper-vacuum.
•Follow the instructions under “Customer Respon sibilities” and “Storage” sections of this Owner’s Manual.
PRODUCT SPECIFICATIONS
Horsepower: |
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9.0 |
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Engine Oii Capacity: |
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SAE 30 |
API Classification SF, SG or SH |
(20 Ounces) |
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Fuel Capacity: |
Approximately 1 Gallon |
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(Unleaded) |
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Spark Piug (Gap .030 in.): |
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Champion |
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J-8C (or |
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Equivalent) |
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Tire Pressure: |
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24 p.s.i. |
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MAINTENANCE AGREEMENT
A Sears Maintenance Agreement is available on this product. Contact your nearest Sears store for details.
WARNING: This unit is equipped with an internai combus tion engine and should not be used on or near any unim proved forest-covered, brush-covered or grass-covered land
unless the engine’s exhaust system |
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equipped |
with a |
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spark arrester |
meeting |
applicable |
local |
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state laws |
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any). |
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If a spark arrester Is used. It should be |
maintained in effec |
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tive working order by the operator. |
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In the State of California the above |
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required |
by |
law |
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(Section 4442 |
of the |
California |
Public |
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Resources |
Code). |
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Other states may have similar laws. Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest Sears Authorized Service Center (See the REPAIR PARTS section of this manual.)
WARRANTY
FULL ONE YEAR WARRAMTY ON CRAFTSMAN GAS CHIPPER-VACUUM
For one year from the date of purchase, when this Craftsman chipper-vacuum is maintained, lubricated, and tuned up according to the operating and nr aintenance instructions in the operator’s manual. Sears will repair, free of charge, any defect in material or workmanship.
This warranty excludes the chipper blades flails, air cleaners, spark plugs, catcher bags and tires, which are expendable parts and become worn during normal use.
If this chipper-shredder is used for comme cial or rental purposes, this warranty applies for only 30 days from the date of purchase.
WARRANTY SERVICE IS AVAILABLE BY CONTACTING THE NEAREST SEARS SERVICE CENTER IN THE UNITED STATES. THIS WARRANTY APPLIES ONLY WHILE THIS PRODUCT IS IN USE IN THE UNITED STATES.
This warranty gives you specific legai rights, and you may also have other rights which vary from state to state.
SEARS ROEBUCK AND CO., DEPT. 817WA, HOFFMAN ESTATES, IL 60179
TABLE OF CONTENTS
SAFETY RULES................................................. |
2, 3 |
PRODUCT SPECIFICATIONS............................. |
4 |
MAINTENANCE AGREEMENT............................ |
4 |
CUSTOMER RESPONSIBILITIES.............. |
4, 12, 13 |
WARRANTY......................................................... |
4 |
INDEX................................................................... |
5 |
ACCESSORIES.................................................... |
5 |
ASSEMBLY....................................................... |
6-8 |
OPERATION................................................... |
8-11 |
CUSTOMER RESPONSIBILITIES................. |
12, 13 |
STORAGE........................................................... |
14 |
SERVICE AND ADJUSTMENT..................... |
14-17 |
TROUBLE SHOOTING....................................... |
18 |
PARTS ORDERING/SERVICE........................... |
18 |
REPAIR PARTS—CHIPPER-VACUUM....... |
19-25 |
REPAIR PARTS—ENGINE........................... |
26-29 |
INDEX
Accessories............. |
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Adjustments: |
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Carburetor............ |
..18 |
Clutch Cable........ |
.... 8 |
Engine Speed...... |
...18 |
Shift Rod.............. |
...17 |
Assembly Instructions. |
.6-8 |
Catcher Bag................... |
........... 8, 12 |
Controls.......................... |
........... 9 |
Customer Responsibilities. |
.4, 13, 14 |
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Engine: |
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Lubrication................. |
......13 |
Maintenance............... |
.13, 14 |
Starting....................... |
.......12 |
Stopping..................... |
...9, 12 |
Storage....................... |
......18 |
Fuel. |
.11 |
Lubrication. |
.13 |
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Maintenance: |
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Agreement ....... |
........4 |
Schedule.......... |
......13 |
Engine.............. |
.13, 14 |
Chipper-Vacuum |
.13, 18 |
Oil......................... |
.13 |
Operating Tips..... |
.10 |
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Repair/Replacement Parts . |
.....20-35 |
Responsibilities, Customer. |
.4, 13, 14 |
Safety Rules .. |
........2, 3 |
Sharpening .... |
....15, 16 |
Spark Plug... |
.......... 14 |
Specifications. |
.......... 4 |
Storage........ |
.......... 18 |
Table of Contents |
...5 |
Trouble Shooting. |
.19 |
U |
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Unclogging. |
.15 |
Unpacking.. |
...6 |
W |
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Warranty ................................................................ |
4 |
ACCESSORIES
These accessories were available when the chipper-vacuum was purchased. They are also available at most Sears retail outlets, catalog and service centers. Most Sears stores can order repair parts for you, when you provide the model number of your chipper-vacuum.
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ENGINE |
CHIPPER-VACUUM |
Spark |
Air |
Muffler Engine Gas Can |
Stabilizer |
Plug |
Filter |
Oil |
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ASSEMEILY INSTRUCTIONS
Hub Caps |
LOOSE PARTS IN CARTON (See Figure 1) |
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(2) Front Wheels |
(1) Bag |
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(2) |
Hub Caps |
(1) Shift Knob |
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(1) |
Nozzle Assembly |
(1) Tamper Plugt |
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(1) |
Chipper Chute |
(1) Safety Glassest |
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(1) |
Support Bracket |
(1) Bottle of Oi If |
tNot Shown
IMPORTANT: This unit is shipped WITHOUT GASO LINE or OIL in the engine. After assembly, see opera tion section of this manual for proper fuel and engine oil recommendations.
NOTE: To determine right and left hand sides of your chipper-vacuum, stand behind and face the unit (Refer to figure 7).
Your chipper-vacuum has been completely assem bled at the factory except for the front wheels, hub
caps, nozzle, chipper chute, support bracket and bag. FIGURE 1. A pair of safety glasses and bottle of oil are also
included in the carton.
REMOVING CHIPPER-VACUUM FROM CARTON
Cut the corners of the carton. Remove all packing inserts and loose parts. Push down on handle to lift front of chipper-vacuum, and roll chipper-vacuum out of the carton. Make certain all parts and literature have been removed before the carton is discarded.
TOOLS REQUIRED FOR ASSEMBLY
(1) 3/4" Open End Wrench
(2) 1/2" or Adjustable Wrenches Ò) 9/16" Wrench
(1) Funnel
Ò) Set of Pliers
(1) 7/16" Wrench
Wheel Bracket
Wave
Washer
Shoulder
Cupped Washer.
SETTING-UP YOUR CHIPPER-VACUUM
ATTACHING THE FRONT WHEELS
•Tilt unit backward so that it rests on the handle (place a piece of the carton under handle to avoid scratches). Remove the cardboard packing material around the wheel brackets.
•Remove the hex lock nuts and shoulder bolts from the front of the wheel brackets. See figure 2.
•Place wave washer on shoulder bolt. Insert shoulder bolt through wheel, with the head of the shoulder bolt through the flat side of the wheel.
•Assemble wheel to outside of wheel bracket. Secure with cupped washer and hex lock nut. Tighten the nut. The cupped side of washer goes on end of shoulder bolt between the wheel and the bracket.
• Align the four tabs on the hub caps with the four • holes in the wheel. Press in each tab until it locks in
place. The hub cap edges must be flush with the |
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wheel rim when installed properly. |
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•Push the hub cap onto the wheel so that the edges of the hub cap flush with the rim of the wheel.
ATTACHING THE NOZZLE (See figure 3)
• Remove the three wing nuts from the front of the • chipper-vacuum. Place the nozzle in position over the three weld studs. Secure with the wing nuts just removed.
NOTE: The metal tab in the nozzle must depress the • safety switch on the front of the chipper-vacuum or the engine will not start.
• Set unit in upright position.
Wing Nuts
Metal Tab
Remove the two hex bolts, flat washers, and nuts which are attached to the support bracket. See figure 4.
Use this hardware to attach the support bracket to the bottom of the chipper chute loosely. Be sure to fix the hardware so that the heads of the hex bolts and washers are inside the chipper chute.
Place the support bracket over the two bolts in the handle. Push up the chipper chute in order to better align the holes in the support bracket with the bolts in the handle. Put the nuts back on.
Tighten all hardware securely first on the chipper chute, then on the support bracket, and finally on the handle.
Chipper
Chute
Support
Bracket
FIGURE 3. |
Hex Lock Nuts |
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ATTACHING THE CHIPPER CHUTE AND |
FIGURE 4.—View from the operator’s position |
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SUPPORT BRACKET |
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•Remove the two hex lock nuts from the hex bolts
which secure the right side of the upper handle to ATTACHING THE CLUTCH CABLE (See figure 5)
the lower handle. Leave the bolts in place. See figure 4.
•Remove the three cupped washers and hex nuts from the weld studs. You will find these weld studs• beside the opening on the right side of the chipper
vacuum. See figure 4. |
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• Place the chipper chute over the weld studs. Secure with cupped washers and hex nuts that you earlier removed. See figure 4. Do not tighten it all the way.
Loosen the hex nuts at the cable bracket and remove.
Holding the drive clutch handle up, hook the “Z” end of the cable into the drive clutch handle from the outside to the inside. See figure 5A. You will need a pair of pliers for this.
NOTE: Cupped side of the washer goes against the chipper chute. See figure 2 inset to find out the cupped side of a washer.
• Squeeze the clamp on the drawstring and pull the drawstring tight. Release the clamp.
Drive
FIGURE 5.
ADJUSTING THE CLUTCH CABLE
•While adjusting the hex nuts at the cable t racket, make sure that there is no slack in the cable, but the cable is not tight. See figure 5B. Do not over tighten the cable.
To check the clutch adjustment, proceed as fol ows.
•Push the chipper-vacuum backward and lorward with the drive clutch handle released. It should move freely. If it does not, loosen both hex nuts at the cable bracket. See figure 5B. Turn botlom nut counterclockwise to loosen the cable.
•Holding against the upper handle, engage tf e drive
clutch handle and try to push the unit backward |
INSERTING THE TAMPER PLUG |
and forward. The wheels should lock up. |
The handle of the tamper plug must be vertical. |
• If the wheels do not lock up, loosen both h jx nuts • Match the angle of the tamper plug with the angle
at the cable bracket. Turn front nut clock vise to |
of the chipper chute. See figure 8. |
tighten the cable. |
• Insert the tamper plug into the chipper chute. |
• Recheck the adjustment. Tighten both the h 3X nuts |
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when you have adjusted it correctly. |
NOTE: Tamper plug should remain in the chipper |
chute whenever the chute is not in use. |
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INSTALLING THE SHIFT KNOB
• Thread the shift knob onto the end of tte shift lever.
ATTACHING THE BAG
•Place bag inside the handle assembly. £ lip the opening on the bag over the discharge chute. Make sure that it is over the rib on the discharge chute. See figure 6.
•Place the four straps on top of the bag o rer the
upper handle, hooking them on the studs. See fig |
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ure 7. Make sure that the bag goes under tfe drive |
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clutch handle. |
FIGURE 8. |
OPERATION
OPERATING CONTROLS (See Figure 9) |
STARTER HANDLE—This is used to start the engine |
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SHIFT LEVER—The shift lever determines ground |
manually. |
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THROTTLE CONTROL—This controls the engine |
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speed of your unit. It may be placed in one of eight |
positions. Of these eight, six positions are to go for speed and stops the engine. It is located right above
ward, and two positions are to go in reverse. |
the starter handle. |
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Forward: Six speeds according to the six positions of |
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the shift lever are available; position one is the slow |
TO STOP THE ENGINE |
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est, and position six is the fastest. |
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Reverse: Two speeds according to the two positions • |
Move throttle control lever to STOP position. See |
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of the shift lever are available; position R (extreme |
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figure 9. |
right) is the faster of the two. |
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Disconnect spark plug wire and move away from |
DRIVE CLUTCH HANDLE (BAIL)—If you squeeze |
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the spark plug to prevent accidental starting while |
the drive clutch handle against the upper handle, you |
the equipment is unattended. |
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will engage the wheel drive. If you release the drive clutch handle, you will stop the wheel drive.
CHOKE LEVER—This chipper-shredder unit is equipped with a choke lever which is used to start a cold engine.
Spark Plug
Oil FillWire and Boot
Dipstick
Shift
Lever Drive Clutch
Handle
Choke
Lever ■
Starter
Handle
Chipper
Chute
Fast
■Throttle Stop
Nozzle
FIGURE 9.
BEFORE USING YOUR CHIPPER-VACUUMREFER TO THE “SAFETY RULES” AS SHOWN ON PAGE 2 OF THIS MANUAL ALWAYS BE CAREFUL
The operation of any chipp ir-vacuum can result in foreign objects being thrown into the eyes, which
can damage your eyes se^ erely. Always wear the |
safety glasses provided with this unit or eye |
shieids before chipping, nr while performing any |
adjustments or repairsWe. recommend Wide |
Vision Safety Mask for over spectacles or standard glasses available at Sears Retail Stores.
USING THE CHIPPER-VACUUM
NOTE: Your chipper-vacuum unit has a safely switch at the front of the housing. The nozzle or hose attach ment must be in place on the chipper-vacuun before the engine can be started.
TO ADJUST THE NOZZLE HEIGHT
A.The height adjustment knob is located on the right hand side of the chipper-vacuum. See figu e 10 for its actual location. Adjusting the height here will also raise or lower the height of the no2zle. For further adjustment of the nozzle height t( i control the flow, see the next section.
•Turn the knob clockwise to raise the wheels and adjust the height of the unit.
•Turn the knob counterclockwise to lower th-j unit. NOTE: In general, raise the nozzle height to vacuum NOTE: Do not turn the knob too far to preven: the roda thick layer of leaves; lower the nozzle height for
from coming out of the ferrule. |
smoother surfaces. |
GAS AND OIL FILL-UP
OIL
Only use high quality detergent oil rated with API service classification SF, SG or SH. Select the oil’s viscosity grade according to your expected operating temperature.
Colder |
32“F |
Warmer |
5W30 |
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SAE 30 |
B.Your chipper-vacuum unit has a noz2le door height adjustment lever with three set ings on each side of the nozzle door. See figure ' 1 for its actual location. The nozzle door height h is to be adjusted according to the conditions.
•Slide the height adjustment lever forward Dr back ward for adjusting the nozzle door upv ards or downwards.
NOTE: Although multi-viscosity oils (5W30, 10W30, etc.) improve starting in cold weather, these multi viscosity oils will result in increased oil consumption when used above 32°F. Check your oil level more frequently to avoid possible engine damage from running low on oil.
•Use engine oil provided. Remove oil fill dipstick. See figure 12. With chipper-vacuum level, use a funnel to fill engine with oil to FULL mark on dip stick. Capacity is approximately 20 ounces. Be careful not to overfill. Oil bottle provided contains 20 oz. of oil. Tilt chipper-vacuum toward the left (from behind the hopper), then re-level. Check oil level. Refill to FULL mark on dipstick if necessary. Replace dipstick and tighten.
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GAS
Remove fuel cap and till fuel tank with approxi mately 1 gallon of clean, fresh, lead-free grade automotive gasoline. DO NOT use Ethyl or high octane gasoline. Be certain container is clean and free from rust or foreign particles. Never use gaso line that may be stale from long periods of storage in the container. Replace fuel cap.
WARNING: DO NOT FILL CLOSER THAN 1/2 INCH OF TOP OF FUEL TANK TO
APREVENT SPILLS AND TO ALLOW FOR FUEL EXPANSION. IF GASOLINE IS ACCIDENTLY SPILLED, MOVE CHIPPERVACUUM AWAY FROM AREA OF SPILL. AVOID CREATING ANY SOURCE OF IGNITION UNTIL GASOLINE VAPORS HAVE DISAPPEARED.
Check the fuel level periodically to avoid running out of gasoline while operating the chipper-vacuum. If the unit runs out of gas as it is chipping, it may be neces sary to unclog the unit before it can be restarted.
Refer to “Removing the Flail Screen” in SERVICE AND ADJUSTMENT section.
If necessary, use the tamper plug to push the material into the chipper chute. See figure 8 for the location of the tamper plug.
Place tamper plug inside the chute when not in use to deaden the noise.
WARNING: EXPERIENCE INDICATES THAT ALCO HOL BLENDED FUELS (CALLED GASOHOL OR USING ETHANOL OR METHANOL) CAN ATTRACT MOISTURE WHICH LEADS TO SEPARATION AND FORMATION OF ACIDS DURING STORAGE. ACIDIC GAS CAN DAMAGE THE FUEL SYSTEM OF AN ENGINE WHILE IN STORAGE. TO AVOID ENGINE PROBLEMS, THE FUEL SYSTEM SHOULD BE EMPTIED OR TREATED WITH FUEL STABILIZER BEFORE STORAGE FOR 30 DAYS OR LONGER. USE FRESH FUEL NEXT SEASON. SEE “STORAGE” SECTION FOR ADDITIONAL INFORMATION.
NEVER USE ENGINE OR CARBURETOR CLEAN ER PRODUCTS IN THE FUEL TANK OR PERMA NENT DAMAGE MAY OCCUR.
A WARNING: NEVER PLACE HANDS
INSIDE THE CHIPPER CHUTE.
For best performance, keep the chipper blades sharp.
If the discharged material starts to become stringy, or if the rate of discharge slows down considerably, the chipper blades may have become dull. To sharpen or replace the blade, refer to Service and Adjustment section.
If the flail screen, located inside the housing in the discharge area, becomes clogged, remove the screen and clean. For instructions on cleaning the screen, refer to the Service and Adjustment sec tion.
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TO START THE ENGINE
IMPORTANT: IF YOUR UNIT SHOWS ANY 5IGN OF MOTION WITH THE CLUTCH HANDLE DISEN GAGED, SHUT THE ENGINE OFF IMMECIATELY. READJUST FOLLOWING INSTRUCTIONS FOR "FINAL ADJUSTMENT” IN THE ASSEMBLY SECTION OF THIS OWNER’S GUIDE.
WARNING: MAKE SURE THAT NO ONE A OTHER THAN THE OPERATOR IS STANDING NEAR THE CHIPPERVACUUM UNIT WHILE STARTING OR
OPERATING.
DO NOT OPERATE THIS UNIT UNLESS THE NOZZLE, DISCHARGE CHUTE, AND THE BAG HAVE BEEN PROPERLY INSTALLED.
•Attach spark plug wire and rubber boot to spark plug if necessary. See figure 9 for location,
•Pull the rope with a rapid, continuous, full arm stroke.
•Keep a firm grip on the starter handle. Let the rope rewind slowly. Do not let the starter handle snap back against the starter.
•Repeat until engine cranks up. When the engine starts, move the choke lever halfway between CHOKE and OFF.
•Move throttle control to IDLE position for a few min utes to warm up the engine. Move it back when running.
•Move the choke lever to OFF position as the engine warms up.
NOTE: To idle smoothly, a new engine may require 3 to 5 minutes of running at above the slow idle speed. The idle speed has been adjusted for proper running after this break-in period.
• Place the throttle control lever in FAST poi ition. TO STOP ENGINE
• |
Move choke lever to full choke position as in figure• Move throttle control lever to STOP position. |
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14. |
• Disconnect spark plug wire and move away from |
• |
Place one foot on the left rear wheel to pr event the spark plug to prevent accidental starting while |
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unit from skidding while starting. |
equipment is unattended. |
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• Grasp starter handle and pull rope out slowly until TO EMPTY BAG |
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engine reaches start of compression c^cle. The |
Open the large zipper on the bag to empty the bag. |
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rope will pull slightly harder at this point, Let the |
See figure 15. Be certain the zipper is ciosed when |
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rope rewind slowly. |
operating the unit. |
Fuli Choke
Position
Choke
Lever
FiGURE 14.
NOTE: While the engine is reaching the con ipression cycle, you may hear a noise. This noise is caused by the flails and fingers falling into place and i s normal.
This noise will continue till impeller reaches full speedFIGURE. 15.
12
CUSTOMER RESPONSIBILITIES
GENERAL RECOMMENDATIONS
WARNING: ALWAYS STOP THE ENGINE A AND DISCONNECT THE SPARK PLUG WIRE BEFORE PERFORMING ANY
MAINTENANCE OR ADJUSTMENTS.
•Periodically check all fasteners and be sure they are tight.
•Follow the Maintenance Schedule above.
Colder |
32°F |
Warmer |
5W30 |
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SAE 30 |
NOTE: Although multi-viscosity oils (SE30, 10W30, etc.) improve starting in cold weather, these multi viscosity oils will result in increased oil consumption when used above 32°F. Check your oil level more frequently to avoid possible engine damage from running low on oil.
CHIPPER-VACUUM |
Your four-cycle engine will normally consume some |
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LUBRICATION |
oil—therefore, check engine oil level regularly approx |
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Lubricate the pivot points on the height adjustment |
imately every five hours of operation and before each |
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mechanism once a season using a light oil. |
usage. Stop engine and wait several minutes before |
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CLEANING |
checking oil level. With engine cooled down, the oil |
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level must reach FULL mark on dipstick (refer to |
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• Clean the chipper-vacuum thoroughly after each |
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figure 12). Change engine oil after the first five hours |
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use. |
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of operation, and every twenty-five hours thereafter. |
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• Wash the bag periodically with water. Allow to dry |
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To Drain Oil: |
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thoroughly in the shade. Do not use heat. |
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• Drain oil while engine is warm. |
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ENGINE |
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a. Remove oil drain cap. Refer to figure 12. Catch |
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oil in a suitable container. |
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ENGINE OIL |
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b. When engine is drained of all oil, replace drain |
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Only use high quality detergent oil rated with API |
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cap securely. |
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service classification SF, SG or SH. Select the oil’s |
• Refill with fresh oil. Refer to GAS AND OIL FILL |
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viscosity grade according to your expected operating |
UP section. |
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temperature. |
• |
Replace dipstick. |
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13
AIR CLEANER |
CLEAN ENGINE |
The air cleaner prevents damaging dirt, du st, etc., |
Clean engine periodically. Remove dirt and debris |
from entering the carburetor, and being forced into thewith a cloth or brush. Cleaning with a forceful spray of engine. It is important to keep the engine clear to prowater is not recommended as water could contami
long engine life and improve performance. |
nate the fuel system. |
Never run your engine without air cleaner com |
Yearly or every 25 hours of using, whichever occurs |
pletely assembled. |
first, remove the air intake screen and blower |
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housing, and clean the areas shown in figure 17 to |
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avoid overspeeding, overheating and engine damage. |
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Clean more often if necessary. |
To Service Air Cleaner: A
Service pre-cleaner after every 25 hours of us e, or at least once a season. Replace filter every 100 hours of use, or at least once a season. Service pre-clesner and filter more often under dusty conditions.
•Remove wing nut and cover. See figure 16.
•Slide pre-cleaner off filter. Clean the inside of base and cover thoroughly.
•Clean pre-cleaner as follows.
WARNING: PERIODICALLY CLEAN MUF FLER AREA TO REMOVE ALL GRASS, DIRT AND COMBUSTIBLE DEBRIS.
Wash in water and detergent solution, and £ queeze
FIGURE 17.
(do not twist) until all dirt is removed.
SPARK PLUG
The spark plug should be cleaned and the gap reset to .030" at least once a season or after every 50 hours of operation. See figure 18. Spark plug replace
• If necessary, replace filter (do not attempt tc clean).
ment is recommended at the start of each season. Replace spark plug if electrodes are pitted, burned, fouled with deposits, or porcelain is cracked. Refer to engine parts list for correct spark plug type.
NOTE: Do not sandblast spark plug. Spark plug should be cleaned by scraping or wire brushing and washing with a commercial solvent.
MUFFLER
Do not operate the chipper-vacuum without a muffler or tamper with the exhaust system. Damaged mufflers or spark arresters could create a fire hazard. Inspect periodically, and replace if necessary. If your engine is equipped with a spark arrester screen assembly, remove after every 50 hours of using for cleaning and inspection. Replace if damaged.
14
SERVICE & ADJUSTMENT
WARNING: ALWAYS STOP ENGINE AND
DISCONNECT SPARK PLUG WIRE AND
MOVE IT AWAY FROM SPARK PLUG
ABEFORE PERFORMING ANY ADJUST MENTS OR REPAIRS.
REMOVING THE FLAIL SCREEN
If the discharge area becomes clogged, remove the flail screen and clean area as follows.
•Stop the engine. Make certain the chipper-vacuum has come to a complete stop. Disconnect the spark plug wire before unclogging the discharge chute.
• Remove the vacuum bag from the unit.
• Remove the four self-tapping screws from the
bottom of the discharge chute. (Be careful not to NOTE: Be certain to reassemble the flail screen with drop the hardware into the chute.) Remove the disthe curved side down as shown in figure 20.
charge chute assembly. See figure 19.
SHARPENING OR REPLACING CHIPPER BLADES
•Disconnect the spark plug wire and move away from the spark plug.
•Remove the flail screen as instructed in the previ ous section.
•Remove the belt cover on the front of the engine by removing the two self-tapping screws. See figure 21.
FIGURE 19.
•Remove the two hex bolts and hex nuts which extend through the housing. Lift the flail screen from inside the housing. See figure 20.
Remove the access plate by removing two hex lock nuts. See figure 22.
15
SHREDDED PARTICLES TO ENABLE |
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the unit toward the right side. |
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Frame Cover |
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THE ALLEN WRENCH TO OPERATE. |
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HANDLE THE WRENCH CAREFULLY SO |
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THAT YOU DO NOT CUT YOUR HAND |
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ON THE CHIPPER BLADE. |
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FIGURE 22. |
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FIGURE 23. |
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WARNING: MAKE |
SURE |
TO |
V/EAR |
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Remove the gear shaft from the unit by removing |
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HEAVY DUTY GLOVES FOR THIS JOB. |
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the hex bolts, lock washers and flat washers from |
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WHILE |
ACCESSING |
THE |
CHIPPER |
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each side of the frame. See figure 24. Hold the fric |
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A BLADE, YOU MAY HAVE TO CLEA vl THE |
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tion wheel assembly, and slide the gear shaft out of |
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SCREW |
HEAD |
OF |
DUST |
AND |
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• Locate one of the chipper blades in the c ccess |
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plate opening by rotating the impeller asserr bly by |
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hand. Remove the blade using a 3/16" aiien |
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wrench on the outside of the blade and 1/2" \/rench |
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on the impeller assembly, inside the hojsing. |
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Torque hardware to 250-350 inch pounds. |
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• Remove the other blade in the same m;inner. |
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Replace or sharpen blades. If sharpening, make |
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certain to remove an equal amount frorr each |
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blade. Reassemble in reverse order. |
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NOTE: Make sure that the blades are reasse mbied |
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with the sharp edge facing upward, as viewe i from |
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the access plate opening. |
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CHANGING THE FRICTION WHEEL RUBBER |
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• |
Remove the six screws from the friction wheel |
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The rubber on the friction wheel is subject to wear |
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assembly (three from each side). Remove the fric |
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and should be checked after 50 hours of operation, |
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tion wheel rubber from between the friction wheel |
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and periodically thereafter. Replace friction wheel |
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plate. |
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rubber if any signs of wear or cracking are found. |
• |
Reassemble new friction wheel rubber to the fric |
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• Drain the gasoline and oil from the ch pper- |
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tion wheel assembly, tightening the six screws in |
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vacuum. |
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rotation and with equal force. |
• Tip the unit backward so it rests on the handl 3S. |
• |
Slide the friction wheel assembly up onto the shift |
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• Remove the frame cover by removing eight self |
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mechanism, then slide the gear shaft back into the |
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unit. Reassemble in reverse order. |
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tapping screws from underneath the chipper- |
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vacuum. See figure 23. (Only six of the eight |
• |
Readjust the clutch cable. Refer to adjustment sec |
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screws are shown in the figure.) |
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tion. |
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16
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