White Outdoor 950 User Manual
OPERATOR’S MANUAL
Chipper Shredder
Vacuum
Model Number
Yard Boss 950
IMPORTANT: READ SAFETY RULES AND INSTRUCTIONS CAREFULLY
Warning: This unit is equipped with an internal combustion engine and should not 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 arrester meeting
applicable local or state laws (if any). If a spark arrester is used, it should be maintained in effective working order by the operator.
In the State of California the above is required by law (Section 4442 of the California Public Resources Code). Other states may have
similar laws. Federal laws apply on federal lands. A spark arrester for the muffler is available through your nearest engine authorized
service dealer or contact the service department, P.O. Box 361131 Cleveland, Ohio 44136-9722.
WHITE OUTDOOR PRODUCTS COMPANY P.O. BOX 361131 CLEVELAND, OHIO 44136-9722
PRINTED IN U.S.A.
FORM NO.
770-10052C.fm
(8/01)
TABLE OF CONTENTS
Content Page
Important Safe Operation Practices...................................................................3
Assembling Your Chipper Shredder Vacuum ....................................................5
Know Your Chipper Shredder Vacuum..............................................................7
Operating Your Chipper Shredder Vacuum .......................................................8
Adjusting Your Chipper Shredder Vacuum ........................................................10
Maintaining Your Chipper Shredder Vacuum.....................................................10
Troubleshooting.................................................................................................14
Parts List............................................................................................................16
FINDING MODEL NUMBER
This Operator’s Manual is an important part of your new chipper shredder vacuum. It will help you
assemble, prepare and maintain the unit for best performance. Please read and understand what it says.
Before you start assembling your new equipment, please locate the model plate on the
equipment and copy the information from it in the space provided below. The information on
the model plate is very important if you need help from our Customer Support Department or
an authorized dealer.
• You can locate the model number by standing behind the unit and looking down at the frame below
the engine. A sample model plate is explained below. For future reference, please copy the model
number and the serial number of the equipment in the space below.
(Model Number)
(Serial Number)
WHITE OUTDOOR
PRODUCTS COMPANY
P.O. B OX 361131
CLEVELAND, OHIO 44136
Copy the model number here:
Copy the serial number here:
CALLING CUSTOMER SUPPORT
If you have difficulty assembling this product or have any questions regarding the controls, operation or
maintenance of this unit, please call the Customer Dealer Referral Line.
Call 1- (800)-949-4483 to reach the Customer Dealer Referral Line. Please have your unit’s
model number and serial number ready when you call. See previous section to locate this
information.
For more details about your machine, visit our website at www.whiteoutdoor.com
2
SECTION 1: IMPORTANT SAFE OPERATION PRACTICES
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: Th e Engine Exhaust from this pr oduct contains chemicals kno wn to the
State of Californi a to cause cancer, birt h defects or other re productive h arm.
DANGER: This machine was built to be operated according to the rules for safe operation in this
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 observe the following safety instructions could result in serious injury or death.
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 stop the machine and
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 this 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 and feet near rotating 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.
PREPARA TION
1. Thoroughly inspect the area where the equipment
is to be used. Remove all rocks, bottles, cans, or
other foreign 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 fitting clothes or
jewelry can be caught in movable parts. Never
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 damage at frequent intervals.
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 source s of i gnitio n.
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 the machine or fuel container
inside where there is an open flame, spark,
or pilot light (e.g. furnace, water heater,
space heater, clothes dryer, etc.)
3
j. To reduce a fire hazard, keep machine free
of grass, leaves, or other debris build-up.
Clean up oil or fuel spillage and remove any
fuel soaked debris.
k. Allow machine to cool at least 5 minutes
before storing.
OPERATION
1. Do not put hands and feet near rotating parts or in
the feeding chambers and discharge opening.
Contact with the rotating impeller can amputate
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 s trik es a fo reig n obj ect or if yo ur
machine should start making an unusual noise or
vibration, immediately shut the engine off. Allow the
impeller to come to a complete stop. Disconnect
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 loose parts and tighten 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 shred or chip material larger than
specified on the machine or in this manual.
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 avoi d acci dent al kick back i njur ies.
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 t heir
proper operation regularly.
2. Check bolts and screws for proper tightness at
frequent intervals to keep the machine in safe
working condition. Also, visually inspect machine
for any damage and repair, if needed.
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 engine governor settings 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 operator’s manual for proper
instructions on off-season storage.
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.
4
WARNING: - YOUR RESPONSIBILITY: Restrict the use of this power machine to persons who read,
understand and follow the warnings and instr uctions in this manual and on the machine.
NOTE: Not all safety labels shown may apply to your chipper shredder vacuum.
SECTION 2: ASSEMBLING YOUR CHIPPER SHREDDER VACUUM
IMPORT ANT :
in the engine. Be certain to service engine with gasoline
and oil as instructed in the separate engine manual
before operating your mower.
NOTE: Reference to right or left hand side of the
chipper shredder vacuum is observed from the
operating position.
Removing Unit From Carton
• Remove staples, break glue on top flaps, or cut
tape at carton end and peel along top flap to open
carton.
• Remove loose parts if included with unit (i.e.,
operator’s manual, etc.)
• Cut along corners, lay carton down flat, and remove
packing material.
• Roll or slide unit out of carton and check carton
thoroughly for loose parts.
Loose Parts In Carton (See Figure 1)
• Front Wheels
• Hub Caps
• Nozzle
• Chipper Chute
• Support Bracket
• Bag and Safety Glasses (Not Shown)
This unit is shipped without gasoline or oil
WARNING: Before setting up your chipper
shredder vacuum, disconnect the spark
plug wire from the spark plug and ground
against the engine.
Chipper
Chute
Nozzle
Hub Caps
Support
Bracket
Front Wheels
Figure 1
5
Attaching The Front Wheels
• Tilt the unit backward, so that it rests on the handle
(place a piece of cardboard under handle to avoid
scratches). Remove the packing material around
the wheel brackets.
• Remove the hex lock nuts and shoulder bolts from
the ends of the wheel bracket. See Figure 2.
• Place a wave washer on each shoulder bolt and
insert bolt through each wheel with the flat side of
wheel facing out.
• Place the cupped washer on shoulder bolt with the
crowned side against the wheel.
• Assemble each wheel to outside of wheel bracket
and secure with hex lock nut previously removed.
• Attach hub caps to wheels by placing hub cap
against the inner hub of wheel. Press firmly around
the center portion of hub cap in a circular motion.
The hub caps are flexible and it will snap over the
wheel hubs.
NOTE: The met al tab on the nozzle must de press the
safety switch button attached to the front of chipper
shredder vacuum or the engine will not start.
See Figure 3
• Set unit in the upright position.
Attaching The Chipper Chut e
• Remove the two hex bolts, flat washers, and hex
nuts that are attached to the support bracket.
• Attach the support bracket under the chipper chute
loosely using the hardware previously removed.
The hex bolts and washers should be inserted from
the inside of the chipper chute. See Figure 4.
Upper
Handle
Support
Bracket
Chipper Chute
Wave
Washer
Hub Cap
Hex Lock
Nut
Cupped
Washer
Shoulder
Bolt
Figure 2
Attaching The Nozzle
• Remove three wing nuts from the front of the
chipper shredder vacuum.
• Place nozzle in position over the three studs on unit
and secure with wing nuts just removed.
See Figure 3.
Wing
Nut
Nozzle
Wing
Nuts
Safety
Switch
Lower
Handle
Figure 4
• Remove the two he x lock nuts f rom t he he x bol ts
that secure the right side of the upper handle to the
lower handle. Leave the bolts and washers in
place. See Figure 4.
• Remove three cupped washers and hex nuts from
the weld studs besides the opening on the right
side of the chipper shredder vacuum.
• Place the chipper chute over the weld studs with
the slot at the bottom. Secure with cupped washers
(cupped side of washer goes against the chipper
chute) and hex nuts just removed and only tighten
the nuts slight ly for ease of further a ssembly.
• Place the support bracket through the two bolts in
the handle. Lifting up on the chipper chute will aid in
the alignment of the holes in the support bracket
with the bolts in the handle.
• Tighten all hardware securely on the chipper chute,
support bracket, and handle.
Figure 3
Attaching The Clutch Cable To Handle
• Loosen the hex nuts at the cable bracket and back
the bottom he x nut all the way down .
• While holding the drive clutch handle up, hook the
“Z” end of the cable into the drive clutch handle
from the outside. See Figure 5.
6
Drive Clutch
Handle
Hex
Z End
Nuts
Figure 5
Clutch Cable Adjustment
Adjust the hex nuts at the cable bracket so there is no
slack in the cable, but the cable should not be tight. Do
not overtighten the cable. See Figure 5.
To check the clutch adjustment, proceed as follows:
• Push the chipper shredder vacuum backward and
forward with the drive clutch handle released. It
should move freely.
• If it does not, loosen both hex nuts at the cable
bracket. Turn bottom nut clockwise to loosen the
cable. See Figure 5.
• Engage the drive clutch handle and try to push unit
backward and forward. The wheels should lock up.
• If the wheels do not lock up, loosen both hex nuts at
the cable bracket. Turn bottom nut counterclockwise to tighten the cable.
• Recheck adjustment and tighten both hex nuts
when correct adjustment is reached.
Attaching The Bag
• Place bag under of upper handle assembly and slip
the front opening on the bag over the discharge
chute, making certain it is over the rim on the
discharge chute. See Figure 6.
Discharge
Chute
• Place the four straps on the top of the bag over
upper handle, hooking them on the studs to secure
in place. Be sure the bag is under the drive clutch
handle. See Figure 7.
Bag Straps
Bag Opening
Figure 6
Bag
Upper Handle
Bag
Bag Straps
Figure 7
SECTION 3: KNOW YOUR CHIPPER SHREDDER VACUUM
WARNING: Be familiar with all controls
and their proper operation. Know how to
stop the machine and disengage them
quickly.
Bag
Collects shredded or chipped material fed through the
chipper chute or vacuumed up through the nozzle.
See Figure 8.
Chipper Chute
Allow twigs and small branches up to 3” in diameter to
be fed into the impeller for chipping. See Figure 8.
Nozzle Height Adjustment Knob
Used to adjust the nozzle ground clearance that will
provide the best performance for the operating
conditions. See Figure 8.
Nozzle
Yard waste such as leaves and pine needles can be
vacuumed up through the nozzle for shredding. See
Figure 8.
Drive Clutch Handle
The drive clutch handle is located above the upper
handle assembly. Squeezing the drive clutch handle
against the upper handle engages the wheel drive.
Release the drive clutch handle to stop the wheel drive.
See Figure 8.
7
Shift Lever
The shift lever is located on the top right hand side of
unit. It is used to adjust the ground speed of the chipper
shredder vacuum when the drive clutch handle is
engaged. The shift lever can be place in one of eight
positions: six forward and two reverse positions.
See Figure 8.
Starter Handle (Not Shown)
The starter handle is located on the engine. Pull the
starter handle to start engine.
Engine Controls
See the separate engine manual for the location and
function of the controls on the engine.
Drive Clutch
Handle
Bag
Throttle Control Lever (Not Shown)
The throttle control lever is located on the engine. It
controls the engine’s speed and stops the engine. See
separate engine manual packed with unit for details.
Stopping Engine
• Move throttle control lever to STOP or OFF
position.
• Disconnect spark plug wire from spark plug and
ground against the engine.
Shift Lever
Chipper
Chute
Nozzle Height
Adjustment Knob
Figure 8
Nozzle
SECTION 4: OPERATING YOUR CHIPPER SHREDDER VACUUM
WARNING: Read, understand, and follow
all instructions and warnings on the
machine and in this manual before
operating.
WARNING: Always wear the safety
glasses provided with this machine during
operation or while performing any adjustments or repairs. Thrown objects which
ricochet can cause serious injury to the
eyes.
Gas And Oil Fill-Up
Service the engine with gasoline and oil as instructed in
the separate engine manual packed with your chipper
shredder vacuum. Read instructions carefully.
Starting Engine
• Attach spark plug wire to spark plug. Make certain
• Make certain drive clutch handle is in the
WARNING: Use extreme care when
handling gasoline. Gasoline is extremely
flammable and the vapors are explosive.
Never fuel machine indoors or while the
engine is hot or running. Extinguish
cigarettes, cigars, pipes, and other
sources of ignition.
the metal c ap on the end o f the spar k plug i s
fastened securely over the metal tip on the spark
plug.
disengaged (released) position.
8
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