Echo 72928 Owners Manual v.7
MADE WITH PRIDE IN THE...
9 INCH
CHIPPER
72928 - 28 HP KUBOTA
72928S - 28 HP KUBOTA
74950 - 50 HP KUBOTA
74950S - 50 HP KUBOTA
CH911DH - 28 HP KUBOTA
CH922DH - 50 HP KUBOTA
OWNER'S MANUAL
Manual P/N 16783
R051107
Companion to P/N 12139
72928 & 74950 VIN: 5VJAA00127W000031 - 5VJAA00117W000571
CH911DH & CH922DH VIN: 5VJAA00127W000255 - 5VJAA00158W000655
Before You Begin
MANUFACTURED BY CRARY INDUSTRIES
MANUFACTURED IN U.S.A.
XXXXXX
WEST FARGO, NORTH DAKOTA 58078 U.S.A.
SERIAL NUMBER
DEAR ECHO BEAR CAT CUSTOMER
Thank you for purchasing an ECHO Bear Cat product. The ECHO Bear Cat line is designed, tested, and manufactured to give years
of dependable performance. To keep your machine operating at peak efciency, it is necessary to adjust it correctly and make regular inspections. The following pages will assist you in the operation and maintenance of your machine. Please read and understand
this manual before operating your machine.
If you have any questions or comments about this manual, please call us toll-free at 1-800-247-7335.
If you have any questions or problems with your machine, please call or write your local authorized ECHO Bear Cat Dealer.
This document is based on information available at the time of its publication. ECHO Bear Cat is continually making improvements
and developing new equipment. In doing so, we reserve the right to make changes or add improvements to our product without
obligation for equipment previously sold.
PLEASE SEND US YOUR WARRANTY CARD
A warranty card is included in your owner's kit packaged with your machine. Please take the time to ll in the information requested
on the card. When you send your completed card to us, we will register your machine and start your coverage under our limited
warranty.
PARTS ORDERING INFORMATION
For service assistance or parts, contact your nearest authorized
ECHO Bear Cat dealer or the factory. Your nearest authorized
dealer will need to know the serial number of your machine to
provide the most efcient service. See below for information on
how to identify and record the serial number for your machine.
If you need engine service or parts:
For engine service or parts, contact your nearest authorized engine dealer. An authorized engine dealer can handle all parts,
repairs, and warranty service concerning the engine.
SERIAL NUMBER LOCATION
Please record the serial number in the space provided and on
the warranty and registration card.
REPLACEMENT PARTS
Only genuine ECHO Bear Cat replacement parts should be
used to repair the machine. Replacement parts manufactured
by others could present safety hazards, even though they may
t on this machine. Replacement parts are available from your
ECHO Bear Cat dealer.
Provide the following when ordering parts:
The SERIAL NUMBER of your machine.
The PART NUMBER of the part.
The PART DESCRIPTION.
The QUANTITY needed.
SERIAL NUMBER
HOW TO CONTACT ECHO BEAR CAT
ADDRESS PHONE E-MAIL HOURS
237 NW 12th Street
P.O. Box 849
West Fargo, ND 58078
*Original Instructions
© 2006, CRARY INDUSTRIES, ALL RIGHTS RESERVED. PRODUCED AND PRINTED IN THE U.S.A.
800-247-7335
701-282-5520
FAX: 701-282-9522
sales@bearcatproducts.com
service@bearcatproducts.com
Monday - Friday,
8 am to 5 pm
Central Time
LIMITED WARRANTY
This warranty applies to all AG and Outdoor Power Equipment manufactured by Crary Industries.
Crary Industries warrants to the original owner each new Crary Industries product to be free from defects
in material and workmanship, under normal use and service. The warranty shall extend 1 year from date of
delivery for income producing (commercial) applications and 2 years from date of delivery for non-income
producing (consumer) use of the product. The product is warranted to the original owner as evidenced by a
completed warranty registration on file at Crary Industries. Replacement parts are warranted for (90) days
from date of installation.
THE WARRANTY REGISTRATION MUST BE COMPLETED AND RETURNED TO CRARY INDUSTRIES
WITHIN 10 DAYS OF DELIVERY OF THE PRODUCT TO THE ORIGINAL OWNER OR THE WARRANTY
WILL BE VOID.
In the event of a failure, return the product, at your cost, along with proof of purchase to the selling Crary
Industries dealer. Crary Industries will, at its option, repair or replace any parts found to be defective in material
or workmanship. Warranty on any repairs will not extend beyond the product warranty. Repair or attempted
repair by anyone other than a Crary Industries dealer as well as subsequent failure or damage that may occur
as a result of that work will not be paid under this warranty. Crary Industries does not warrant replacement
components not manufactured or sold by Crary Industries.
This warranty applies only to parts or components that are defective in material or workmanship. 1.
This warranty does not cover normal wear items including but not limited to bearings, belts, pulleys, filters 2.
and chipper knives.
This warranty does not cover normal maintenance, service or adjustments.3.
This warranty does not cover depreciation or damage due to misuse, negligence, accident or improper 4.
maintenance.
This warranty does not cover damage due to improper setup, installation or adjustment.5.
This warranty does not cover damage due to unauthorized modifications of the product. 6.
Engines are warranted by the respective engine manufacturer and are not covered by this warranty.7.
Crary Industries is not liable for any property damage, personal injury or death resulting from the unauthorized
modification or alteration of a Crary product or from the owner’s failure to assemble, install, maintain or operate
the product in accordance with the provisions of the Owner’s manual.
Crary Industries is not liable for indirect, incidental or consequential damages or injuries including but not
limited to loss of crops, loss of profits, rental of substitute equipment or other commercial loss.
This warranty gives you specific legal rights. You may have other rights that may vary from area to area.
Crary Industries makes no warranties, representations or promises, expressed or implied as to the performance
of its products other than those set forth in this warranty. Neither the dealer nor any other person has any
authority to make any representations, warranties or promises on behalf of Crary Industries or to modify the
terms or limitations of this warranty in any way. Crary Industries, at its discretion, may periodically offer limited,
written enhancements to this warranty.
CRARY INDUSTRIES RESERVES THE RIGHT TO CHANGE THE DESIGN AND/OR SPECIFICATIONS
OF ITS PRODUCTS AT ANY TIME WITHOUT OBLIGATION TO PREVIOUS PURCHASERS OF ITS
PRODUCTS.
TABLE OF CONTENTS
DESCRIPTION PAGE DESCRIPTION PAGE
SAFETY ......................................................................... 1
1.1 SAFETY ALERT SYMBOL ........................................ 1
1.2 BEFORE OPERATING .............................................. 1
1.2 BEFORE OPERATING (CONT.) ............................... 2
1.3 OPERATION SAFETY .............................................. 2
1.4 FEED ROLLER SAFETY .......................................... 2
1.5 BATTERY SAFETY ................................................... 3
1.6 MAINTENANCE/STORAGE SAFETY ....................... 3
1.7 TOWING SAFETY ..................................................... 3
1.8 SAFETY DECAL LOCATIONS ................................. 4
1.9 SAFETY DECALS ..................................................... 5
ASSEMBLY .................................................................... 6
2.1 ATTACH TRAILER WHEELS .................................... 6
2.2 ATTACH PINTLE HITCH ........................................... 6
2.3 ATTACH REAR STABILIZER .................................... 6
2.4 ATTACH CHUTE SUPPORT ..................................... 7
2.5 ATTACH CHIPPER CHUTE ...................................... 7
2.6 ATTACH EXTENSION TRAY ..................................... 7
2.7 CONNECT CONTROL CABLE ................................. 8
2.8 ATTACH DISCHARGE TUBE .................................... 8
2.9 INSTALL THE BATTERY ........................................... 8
2.10 CHECKING/ADDING FLUIDS................................. 9
4.1 MAINTENANCE SCHEDULE.................................. 16
4.2 REPLACEMENT & MAINTENANCE CHART.......... 17
4.3 SHARPENING CHIPPER BLADES ........................ 18
4.4 SETTING BLADE CLEARANCE ............................. 18
4.4 SETTING BLADE CLEARANCE (CONT.) ............... 19
4.5 CLEARING PLUGGED ROTOR ............................. 19
4.6 REPLACING DRIVE BELT ...................................... 19
4.7 REPLACING ROTOR BEARINGS .......................... 20
4.8 HYDRAULIC FEED MAINTENANCE ...................... 20
4.9 GREASEABLE BEARINGS..................................... 20
4.10 TRAILER MAINTENANCE .................................... 20
TROUBLESHOOTING ................................................. 21
5.1 CHIPPER TROUBLESHOOTING ........................... 21
5.2 HYDROSTATIC PUMP TROUBLESHOOTING ....... 22
SPECIFICATIONS ........................................................ 23
6.1 CHIPPER SPECIFICATIONS ................................... 23
6.2 BOLT TORQUE ........................................................ 24
OPERATION ................................................................ 10
3.1 CONTROLS ............................................................ 10
3.2 OPERATION ............................................................11
3.3 HYDRAULIC FEED OPERATION ............................ 12
3.4 CONTROL ARM OPERATION ................................ 13
3.5 SAFETY BAR ("S" MODELS) ................................. 13
3.6 ELECTRONIC FEED SENSOR .............................. 14
3.7 LOFA CONTROL PROGRAMMING ........................ 15
SERVICE & MAINTENANCE ....................................... 16
1
Section
SAFETY
1.1 SAFETY ALERT SYMBOL
The Owner/Operator's manual uses this symbol to alert
you of potential hazards. Whenever you see this symbol,
read and obey the safety message that follows it. Failure
to obey the safety message could result in personal injury,
death or property damage.
CAUTION
Indicates a potentially hazardous situation that, if not
avoided, may result in minor or moderate injury.
WARNING
Indicates a potentially hazardous situation that, if not
avoided, could result in death or serious injury.
DANGER
Indicates an imminently hazardous situation that, if not
avoided, will result in death or serious injury.
1.2 BEFORE OPERATING
Read and understand this Owner/Operator's manual. 1.
Be completely familiar with the controls and the proper
use of this equipment.
Familiarize yourself with all of the safety and operating 2.
decals on this equipment and on any of its attachments
or accessories.
Keep safety decals clean and legible. Replace missing 3.
or illegible safety decals.
Obtain and wear safety glasses and use hearing pro-4.
tection at all times when operating this machine.
Avoid wearing loose fitted cloth-5.
ing. Never operate this machine
wearing clothing with drawstrings that could wrap around
or get caught in the machine.
Do not operate this machine if 6.
you are under the influence of alcohol, medications,
or substances that can affect your vision, balance or
judgement. Do not operate if tired or ill. You must be
in good health to operate this machine safely.
Do not operate this equipment in the vicinity of bystand-7.
ers. Keep the area of operation clear of all persons,
particularly small children. It is recommended that
bystanders keep at least 50 feet (15 meters) away
from the area of operation.
Do not allow children to operate this equipment.8.
Use only in daylight or good artificial light.9.
Do not run this equipment in an 10.
enclosed area. Engine exhaust contains carbon monoxide gas, a deadly
poison that is odorless, colorless and
tasteless. Do not operate this equipment in or near buildings, windows or
air conditioners.
Always use an approved fuel container. Do not remove 11.
fuel cap or add fuel when engine is running. Add fuel
to a cool engine only.
Do not fill fuel tank indoors. Keep open flames, sparks, 12.
smoking materials and other sources of combustion
away from fuel.
9 INCH CHIPPER
1
SAFETY
WRONG
WRONG
1.2 BEFORE OPERATING (CONT.)
Keep all guards, deflecto rs , and 13.
shields in good working condition.
Before inspecting or servicing any part 14.
of this machine, shut off the machine,
remove the ignition key and make sure
all moving parts have come to a complete stop.
Check that all screws, nuts, bolts, and other fasteners 15.
are secured, tightened and in proper working condition
before starting the machine and once every 8 hours
of operation.
Do not transport or move machine while the machine 16.
is operating or running.
1.3 OPERATION SAFETY
Always stand clear of discharge area when operating 1.
this machine. Keep face and body away from feed
and discharge openings.
Keep hands and feet out of feed and 2.
discharge openings while machine is
operating to avoid serious personal
injury. Stop and allow machine to
come to a complete stop before
clearing obstructions.
Set up your work site so you are not endangering traffic 3.
and the public. Take great care to provide adequate
warnings.
Do not climb on machine when operating. Keep proper 4.
balance and footing at all times.
Check cutting chamber to verify it is empty before 5.
starting the machine.
The disk will continue to rotate when belt is disen-6.
gaged.
Do not insert branches larger than 9 inches in diameter 7.
into chipper or machine damage may occur.
When feeding material into machine, do not allow 8.
metal, rocks, bottles, cans or any other foreign material
to be fed into the machine.
Ensure debris does not blow into traffic, parked cars, 9.
or pedestrians.
Keep the machine clear of debris and other accumu-10.
lations.
Do not allow processed material to build up in the 11.
discharge area. This may prevent proper discharge
and can result in kickback of material through the feed
opening.
Shut off machine immediately if the machine becomes 12.
clogged, the cutting mechanism strikes any foreign
object, or the machine starts vibrating or making an
unusual noise. Shut off the machine, disconnect the
battery, remove the ignition key and make sure all
moving parts have come to a complete stop. After
machine stops:
Inspect for damage.A.
Replace or repair any damaged B.
parts.
Check for and tighten any loose C.
parts.
Disconnect cables from battery and 13.
remove key before doing any inspection or service.
Check blade bolts for proper torque after every 8 hours 14.
of operation. Check blades and rotate or resharpen
daily or as required to keep blades sharp. Failure to do
so may cause poor performance, damage or personal
injury and will void the machine warranty.
1.4 FEED ROLLER SAFETY
The feed ro lle r can cau se 1.
serious injury or death. Keep
hands, feet and clothing away
from the feed roller and chipper
disk blades.
Never climb onto the feed chute 2.
when the unit is operating or
running.
Do not overreach. Keep prop-3.
er balance and footing at all
times.
Never allow passengers to ride 4.
on the feed chute.
When feeding material into the feed roller:5.
Wear eye, face and hearing protection.A.
Release material and stand to side of feed B.
chute.
When inspecting or servicing the feed roller, secure 6.
the feed roller in the raised position using the snap pin
located on the roller slide.
2
9 INCH CHIPPER
SAFETY
DANGER / POISON
SHIELD EYES
EXPLOSIVE GASES
CAN CAUSE
BLINDNESS OR
INJURY
NO
• SPARKS
• FLAMES
• SMOKING
SULFURIC
ACID
CAN CAUSE
BLINDNESS OR
SEVERE BURNS
FLUSH EYES
IMMEDIATELY
WITH WATER
GET
MEDICAL
HELP
FAST
KEEP OUT OF THE REACH OF CHILDREN. DO NOT TIP. KEEP VENT CAPS TIGHT AND LEVEL.
1.5 BATTERY SAFETY
Improper use and care of the battery on electric start 1.
models can result in serious personal injury or property damage. Always observe the following safety
precautions.
Poison/Danger - Causes Severe Burns. The battery 2.
contains sulfuric acid. Avoid contact with skin, eyes
or clothing. Keep out of reach of children.
ANTIDOTE-External Contact: Flush immediately
with lots of water.
ANTIDOTE-Internal: Drink large quantities of water
or milk. Follow with milk of magnesia, beaten egg
or vegetable oil. Call a physician immediately.
ANTIDOTE-Eye Contact: Flush with water for 15
minutes. Get prompt medical attention.
The battery produces explosive gases. Keep sparks, 3.
flame or cigarettes away. Ventilate area when charging battery. Always wear safety goggles when working
near battery.
The battery contains toxic materials. Do not damage 4.
battery case. If case is broken or damaged, avoid
contact with battery contents.
Neutralize acid spills with a baking soda and water 5.
solution. Properly dispose of a damaged or worn-out
battery. Check with local authorities for proper disposal
methods.
Do not short circuit battery. Severe fumes and fire 6.
can result.
Before working with electrical wires or components, 7.
disconnect battery ground (negative) cable first. Disconnect positive cable second. Reverse this order
when reconnecting battery cables.
1.6 MAINTENANCE/STORAGE SAFETY
Before inspecting, servicing, storing, or changing an 1.
accessory, shut off the machine, disconnect the battery, remove the ignition key and make sure all moving
parts have come to a complete stop.
Replace any missing or unreadable safety decals. Re-2.
fer to the parts manual for part numbers when ordering
safety decals from your chipper dealer.
Allow machine to cool before storing in an enclosure.3.
Store the machine out of reach of children and where 4.
fuel vapors will not reach an open flame or spark.
Never store this machine with fuel in the fuel tank 5.
inside a building where fumes may be ignited by an
open flame or spark. Ignition sources can be hot water
and space heaters, furnaces, clothes dryers, stoves,
electric motors, etc.
1.7 TOWING SAFETY
Rotate the discharge tube to face the opposite direction 1.
of the towing vehicle before towing.
Connect hitch safety chains. Make sure trailer hitch 2.
bolts are tight and secure. Do not attempt to attach
the pintle hitch to a ball type vehicle hitch.
Do not exceed maximum towing speed of 55 miles 3.
per hour. Inflate tires to manufacturer's specifications,
as stated on the tire sidewall. Check wheel lug bolts
periodically to make sure they are secure.
Make sure the jack stand and the rear stabilizer on 4.
trailer are in the UP position to clear the ground during
towing. Place the jack stand on a level surface and
secure it in the DOWN position before use.
Never allow passengers to ride on the chipper.5.
9 INCH CHIPPER
3
SAFETY
4*
3
1
2
7
8
9
5
8
6
1.8 SAFETY DECAL LOCATIONS
4
9 INCH CHIPPER
SAFETY
1.9 SAFETY DECALS
Safety and instruction decals are located on the chipper frame and engine. Replace any decal that is damaged or unreadable.
1
KEEP HANDS AND FEET OUT OF INLET AND
DISCHARGE OPENINGS WHILE MACHINE
IS OPERATING TO AVOID SERIOUS PERSONAL INJURY. ALLOW MACHINE TO COME
TO A COMPLETE STOP BEFORE CLEARING
OBSTRUCTIONS.
2
READ AND UNDERSTAND THIS
OWNER/OPERATORS MANUAL.
BE COMPLETELY FAMILIAR WITH
THE CONTROLS AND THE PROPER USE OF THIS EQUIPMENT
OBTAIN AND WEAR SAFETY
GLASSES AND USE HEARING
PROTECTION AT ALL TIMES
WHEN OPERATING THIS MACHINE.
BEFORE INSPECTING OR SERVICING ANY PART OF THIS
MACHINE, SHUT OFF POWER
SOURCE AND MAKE SURE ALL
MOVING PARTS HAVE COME TO
A COMPLETE STOP.
PN 12169
PN 12172
5
KEEP HANDS AND FEET OUT
OF INLET AND DISCHARGE
OPENINGS WHILE MACHINE IS
OPERATING TO AVOID SERIOUS PERSONAL INJURY. ALLOW MACHINE TO COME TO
A COMPLETE STOP BEFORE
CLEARING OBSTRUCTIONS.
6
CHECK BLADE BOLTS FOR
PROPER TORQUE AFTER EVERY 8 HOURS OF OPERATION.
CHECK BLADES AND ROTATE
OR RESHARPEN DAILY OR AS
REQUIRED TO KEEP BLADES
SHARP. REFER TO OWNERS
MANUAL FOR INSTRUCTIONS.
FAILURE TO DO SO MAY CAUSE POOR PERFORMANCE, DAMAGE OR PERSONAL INJURY AND WILL VOID THE MACHINE
WARRANTY.
7
PRESS CLUTCH PEDAL DOWN
WITH FOOT TO DISENGAGE BELT
WHILE STARTING ENGINE. SLOWLY RELEASE FOOT TO ENGAGE
CHIPPER BELT AFTER CHIPPER
IS RUNNING.
PN 12175
PN 12250
PN 12183
3
DO NOT OPERATE THIS EQUIPMENT IN THE VICINITY OF BYSTANDERS. DO NOT ALLOW
CHILDREN TO OPERATE THIS
EQUIPMENT. ALWAYS STAND
CLEAR OF DISCHARGE AREA
WHEN OPERATING THIS MACHINE. KEEP FACE AND BODY
AWAY FROM DISCHARGE AREAS.
4
DO NOT OPERATE MACHINE WITHOUT SHIELDS IN PLACE. FAILURE TO
DO SO MAY CAUSE SERIOUS INJURY
OR DEATH.
PN 12173
PN 12174
8
READ AND UNDERSTAND THIS
OWNER/OPERATORS MANUAL.
BE COMPLETELY FAMILIAR
WITH THE CONTROLS AND THE
PROPER USE OF THIS
EQUIPMENT.
9
FEED ROLLER SUPPORT MUST
BE SECURED IN THE UP POSITION PRIOR TO SERVICING
CHIPPER FEED AREA. FEED
ROLLER CAN FALL AND CAUSE
SEVERE BODILY HARM. CONSULT OWNERS MANUAL FOR
PROPER METHOD OF SECURING FEED ROLLER SUPPORT.
LOWER FEED ROLLER BEFORE OPERATING CHIPPER.
9 INCH CHIPPER
PN 13711-00
PN 18983-00
5
2
SAFETY
CHAIN
3/8” x 2-1/2”
BOLT
3/8”
WASHER
5/8” x 4-1/2”
BOLT
PINTLE
RING
5/8” CENTERLOCK
NUTS
5/8”
WASHERS
3/8”
WASHER
3/8”
NYLOCK
NUT
LYNCH
PIN
TOP LINK
PIN
ASSEMBLY
Section
NOTE
Axle and hitch assemblies for "S" models are supplied
by the distributor and may vary from the illustrations
shown below.
2.1 ATTACH TRAILER WHEELS
Remove the chipper from its shipping crate. Place the 1.
unit on a level surface before attempting to assemble
it.
Raise the trailer several inches from the ground with a 2.
hoist or jack. Support the chipper securely.
Lift one wheel to a hub and align the wheel lug holes 3.
with the hub lug bolts. Thread the lug nuts onto the
bolts and tighten them to 75 ft-lbs. Follow a star pattern
when tightening the lug bolts. Repeat this step for the
remaining wheel.
Figure 2.1, Trailer hitch assembly
2.3 ATTACH REAR STABILIZER
2.2 ATTACH PINTLE HITCH
Insert the adjustable hitch into the hitch opening in the 1.
chipper trailer.
Attach the pintle hitch ring to the adjustable hitch with 2.
two 5/8" x 4-1/2" bolts, washers, and centerlock nuts.
Torque the bolts to 160 ft-lbs.
Connect the safety chains to the adjustable hitch 3.
weldment as shown in Figure 2.1. Use a 3/8" x 2-1/2"
bolt, two washers, and a nylock nut to attach the safety
chains.
Push the top link pin through the holes in the hitch and 4.
trailer. Secure the top link pin with a lynch pin.
Adjust the ring on the pintle hitch to make the chipper
trailer as level as possible when connected to the towing
vehicle.
The rear stabilizer (Figure 2.2) is installed by sliding the
stabilizer into the trailer support guide on the rear of the
chipper frame. The stabilizer is secured and adjusted with
the provided snap pin.
Figure 2.2, Rear stabilizer
6
9 INCH CHIPPER
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