Echo Bear Cat 70520 User Manual
Chipper/Shredder
I
nstruction & Owners Manual
Chipper/Shredder Models:
71020, 71014 (Towable)
70554,70520 (PTO)
Crary Company
Box 849
West Fargo, ND 58078
(701) 282-5520 (800) 247-7335
FAX: (701) 282-9522
Manufactured in the
United States of America
by Crary Company
Cat. No. 16023
Manual No. 297
B
EARCAT
Dear Bear Cat Customer,
Thank you for purchasing a Crary Bear Cat Chipper. The Bear Cat Chipper is
designed, tested, and manufactured to give years of dependable performance.
To keep your chipper operating at peak efficiency, 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 the chipper.
If you have any questions or comments about this manual, please call us tollfree at 1-800-247-7335.
If you have any questions or problems with your chipper, please call or write
your local factory-authorized Bear Cat dealer.
Please Send Us Your Warranty Card
A warranty card is included in your owner's kit packaged with your chipper.
Please take the time to fill 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.
How to
Contact
Bear Cat
A
DDRESS
Crary Bear Cat
237 NW 12th Street
PO Box 849
West Fargo, ND 58078
P
HONE
800-247-7335
701-282-5520
Fax: 701-282-9522
H
OURS
M-F, 8 a.m. to 5 p.m.
Central Time
Owner's Record
Please take a moment to record the following
information about your chipper. If you need to
call for assistance, please be ready to provide
your model and serial numbers. This
information will allow us (or your dealer) to
help you more quickly when you call.
Model Number
Serial Number
This safety alert symbol identifies important safety messages in this manual.
When you see this symbol, be alert to the possibility of personal injury and
carefully read the message that follows.
Serial Number Decal Location
Serial Number Decal
Be alert! Your Safety is Involved.
W
ARRANTY
Chipper and Hydraulic Feed Limited Warranty
Crary Bear Cat products are warranted for two years from the date of sale to the original cumsumer purchaser
and 90 days from the date of sale to a commercial or rental operation. On models 70380, 70500, 70520,
70554, 70580, 71014, 71020, 71620, 71825, 71854, there is a 90 day warranty for commercial business or
rental use, and a two year warranty when sold to a consumer for private use. The engine is warranted by the
original manufacturer with the terms and limitations listed in the manufactures manual.
Within the above stated period, Crary Co. will replace any part(s) found to be defectiv e in material and/or
workmanship, after the receipt of the part in our plant. Labor costs to replace these defective parts will be paid
at a Crary established labor rate and time allowed (flat rate) for repair. All transportation char ges incurred in
shipping part(s) are the responsibility of the purchaser.
This warranty is void in the case of accidents, failure to perform normal maintenance, or failure to follow
those instructions listed in the service manual. This warranty is also in lieu of all other expressed warranties
and voids any implied warranty as to the merchantability or fitness of the product for a particular purpose and
of any other obligation on the part of Crary Co. Some states do not allow limitations on how long the implied
warranty lasts, so the above limitation may not apply to you.
This warranty applies only to parts or components which are defective, and does not cover necessary repair
due to normal wear, misuse, accidents, or lack of proper maintenance. This includes belts, pulleys, and
chipper blades. Regular routine maintenance of the unit to keep it in proper operating condition is the
responsibility of the owner .
All warranty repair reimbursable under the Crary Co. warranty must be performed by an authorized Bearcat
service dealer using Bearcat approved replacement parts. Repair or attempted repair by anyone other than an
authorized Bearcat service dealer is not reimbursable under the Crary Co. warranty. In addition, these
unauthorized repair attempts may result in additional malfunction, the correction of which is not covered by
warranty.
Crary Co. is not liable for indirect, incidental, or consequential damages in connection with the use of this
product including any cost or expense or providing substitute equipment or service during periods of
malfunction or non-use.
Some states do not allow the exclusion of incidental or consequential damages, so the above exclusion may not
apply to you. This warranty gi ves you specific legal rights. You may also have other rights which vary from
state to state.
Be sure to note the Chipper serial number in any correspondence with Crary Co. or any authorized Bearcat
dealer. The serial number is located on the rotor assembly cover.
Warranty
Contents
Section 1: Safety Instructions ................................... 2
1.2 Safety Decals...................................................................................4
Section 2: Assembly, Controls, and Operation ........ 6
2.1 Assembly ......................................................................................... 5
2.1.1 Assembly, Towable Models........................................................... 5
2.1.2 Assembly, PTO Models ................................................................ 5
2.1.3 Controls & Operation..................................................................... 6
2.1.4 Starting.......................................................................................... 8
2.1.5 Specifications & Recommendations ............................................... 8
2.2 Operation..........................................................................................9
2.2.1 Shredding ...................................................................................... 9
2.2.2 Chipping ........................................................................................ 9
2.2.3 Stopping Instructions..................................................................... 9
Section 3: Service and Maintenance ....................... 10
Service & Maintenance Chart ............................................................... 10
3.1 Changing Discharge Screens ........................................................11
3.2 Sharpening Chipper Blades............................................................11
3.2.1 Chipping Blade Sharpening Tips.................................................. 11
3.2.2 Setting Chipping Blade Clearance ............................................... 12
3.3 Replacing Shredder Kit ...............................................................13
3.3.1 Clearing Plugged Rotor(Towable) ................................................ 13
3.3.2 Clearing Plugged Rotor (PTO)..................................................... 14
3.3.3 Removing Rotor .......................................................................... 14
3.3.4 Replacing Drive Belts (Towable) ................................................. 14
3.3.5 Replacing Drive Belts (PTO) ....................................................... 1 4
3.3.6 Trailer Service Tips ..................................................................... 15
3.3.7 Additional Service Tips ............................................................... 15
C
ONTENTS
Service Accessories.................................................. 15
Troubleshooting......................................................... 16
Warranty
1
S
ECTION
1
Safety Instructions
Your safety and the safety of others is very important.
We have provided important safety messages in this
manual and on the machine. Please read these messages
carefully.
A safety message alerts you to potential hazards that
could hurt you or others. Each safety message is
preceeded by one of three words: DANGER,
WARNING, or CAUTION.
You WILL be KILLED or
DANGER
WARNING
CAUTION
SERIOUSL Y HUR T if you don't
follow instructions
You CAN be KILLED or
SERIUOLSY HUR T if you don't
follow instructions.
Y ou CAN be HUR T or DAMAGE
machine if you don't follow
instructions.
Before Operating
1. Become familiar with the owner's manual before
attempting to operate this equipment. See engine
owner's manual for additional safety information.
2. Do not allow children to operate this equipment.
3. Do not operate this equipment in the vicinity of
bystanders.
4. Carbon monoxide can be extremely dangerous in
enclosed areas; do not run the machine in an enclosed area. The exhaust from the engine contains
carbon monoxide, which is colorless, odorless, and
tasteless.
this machine wearing loose clothing particularly if it
has drawstrings which could wrap around or get
caught in the machine.
3. Operate the machine only on a level surface. Do not
operate the machine on a paved, concrete, or hard
gravel surface. Operating on a hard surface may
cause discharged material to rebound and kickback.
It will also cause increased machine vibration.
Increased vibration may cause the machine to move
and will promote premature wear of parts or loosening of fasteners.
4. Before starting the machine, visually check that all
screws, nuts, bolts, and other fasteners are properly
secured. Once every 10 hours of operation, all
screws, nuts, bolts, and other fasteners should be
checked for proper tightness to insure everything is
in proper working condition.
Operation
1. Before starting the machine, make certain that the
cutting chamber is empty .
2. When feeding chipable material into the machine, be
extremely careful to exclude pieces of metal, rocks,
bottles, cans, and other foreign objects.
3. If the cutting mechanism strikes any foreign object
or if the machine should start making an unusual
noise or vibration, immediately shut off the engine,
and allow the machine to come to a complete stop.
After machine stops:
a) Inspect for damage.
5. Do not allow hands, or any part of body or clothing,
inside the feeding chamber, dischar ge chute, or near
any moving part.
6. Before inspecting or servicing any part of the
machine, shut off the engine, and make sure all
moving parts have come to a complete stop.
Preparation
1. Obtain and wear safety glasses at all times while
operating the machine. One pair of safety glasses is
provided with each chipper .
2. A v oid wearing loose-fitting clothing. Ne v er operate
2
b) Replace or repair any damaged parts.
c) Check for and tighten any loose parts.
4. Every 10 hours of operation, check the bolts on the
following for correct torque (75 ft. lbs.):
• Chipper rotor bearing
• Chipper blades (use 5/16" bolts (20 ft lbs))
Failure to maintain proper fastening torque (75 ft.
lbs.) on bolts for the components listed above may
result in severe damage to the chipper and/or
personal injury!
S
ECTION
1
5. Do not allow processed material to build up in the
discharge area; this may prevent proper discharge
and can result in kickback of material through the
feed opening.
6. Do not attempt to operate the chipper with any of
the guards, deflectors, or shrouds removed. Keep
away from moving parts.
7. Keep all guards, deflectors, and shrouds in good
working condition.
8. Always stand clear of the discharge area when
operating this machine.
9. Keep your face and body back from the feed opening.
10. Do not overreach. Keep proper balance and footing
at all times.
11. Do not transport or move machine while the machine is running.
12. If the machine becomes clogged, shut off engine.
Allow machine to come to a complete stop before
clearing debris.
13. On electric start models, disconnect cables from
battery before doing any inspection or service.
14. Do not tamper with the engine governor settings on
the machine; the governor controls the maximum
safe operating speed and protects the engine and all
moving parts from damage caused by over-speed.
Additional Safety Rules for PTO
Models
1. Connect 3 pt. hitch pins and snap pins, connect PTO
shaft and have leg stands downa and secure when in
use.
2. To move the unit: shut off the PTO, lift 3 pt. hitch,
and adjust leg stands if needed.
3. Keep guards and shields in place at all times while
operating. Al ways disengag e tractor PTO and shut
off engine before removing guards or shields.
4. Keep hands, feet, and clothing away from all PTO
drive parts.
5. Never clean, lubricate, or adjust the chipper/shredder when it is running.
pants when working around PTO.
7. Before starting tractor always make sure transmission is in neutral or park and PTO is disengaged.
WARNING! Recommended tractor PTO horsepower is 15
HP to 30 HP. Use of these units on tractors above 30 PTO
horsepower may cause belt and machine damage in overload
conditions.
Additional Safety Rules for Towing
1. Always connect hitch safety chains. Make sure
trailer hitch bolts are tight and secure. Do not
attempt to tow the trailer if vehicle is not equipped
with a 2" ball.
2. Maximum towing speed should not exceed 55
M.P.H. Inflate tires to manufactures specs. as stated
on the tire sidewall. Check wheel lug bolts periodically to be sure they are tight and secure.
3. Make sure that the jack stand on trailer is 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.
4. Shut off fuel supply to engine when towng.
5. Disconnect spark plug wire when towing.
Maintenance and Storage
1. When this equipment is stopped for servicing,
inspection, storage, or to change an accessory , mak e
sure that the spark plug or PTO is disconnected.
2. Store the machine out of the reach of children and
where fuel vapors will not reach an open flame or
spark. For storage periods of three months or more,
drain the fuel and dispose of it in a safe manner.
Always allow the machine to cool before storing.
Torque Chart
Standard minimum
tightening torque for
normal assembly
applications.
Bolts (SAE GR5)
Size Ft. Lbs.
5/16" 20
3/8" 35
Size Ft. Lbs.
5/16" Set 15
#10-24 Set 3
Screws
6. Never wear loose jackets, shirts, shirt sleeves or
3
S
ECTION
1
1.2 Safety Decals
Safety and instruction decals are located on the chipper frame and engine. Replace any decal that is damaged or
unreadable. For location of safety decals on the chipper frame, see parts drawings and lists in section 4.
NOTE: For engine safety and instruction decals, see engine owner's manual or contact the engine manufacturer.
Part #16033
PN 17846
Part #16085
Part #17423
Part #17837
Part #16408
4
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