Echo 74520 Owners Manual v.1
I
nstruction &
Owners Manual
5"Chipper
Models
74520
74554
Crary Company
Box 849
West Fargo, ND 58078
(701) 282-5520
FAX: (701) 282-9522
www.crary.com
• (800) 247-7335
Cat. No. 12666
Manual No. 399
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
toll-free 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 owners 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
E
MAIL
opesales@crary.com
service@crary.com
H
OURS
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
M-F, 8 a.m. to 5 p.m.
Central Time
Serial Number Decal Location
Serial Number Decal
Chipper Limited Warranty
Crary Bear Cat Chipper models 74520 and 74554 are warranted for two years from date of sale for
consumers and 90 days from the date of sale for commercial or rental operations.
Within the above stated period, Crary Co. will replace any part(s) found to be defective 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
charges 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
Bear Cat service dealer using Bear Cat approved replacement parts. Repair or attempted repair by
anyone other than an authorized Bear Cat 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 gives 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 Bear
Cat dealer. The serial number is located on the chipper trailer.
Warranty
Contents
Safety Instructions ........................................................................2
Engine Model Assembly ...............................................................9
PTO Model Assembly..................................................................11
Operation .....................................................................................12
Attach the Trailer Axle ............................................................................. 9
Attach the Trailer Wheels ......................................................................... 9
Attach the Hitch ....................................................................................... 9
Attach the Chute ......................................................................................9
Attach the Blower Discharge Tube ...........................................................9
Connect PTO Shaft................................................................................ 11
Starting: 13 HP Honda ........................................................................... 12
Starting: 20 HP Honda .......................................................................... 12
Starting: PTO Models.............................................................................12
Feed Sensor Instructions ....................................................................... 13
Feed Sensor Programming Instructions ................................................. 14
Chipping................................................................................................. 15
Stopping Instructions: Engine Models .................................................... 16
Stopping Instructions: PTO Models........................................................16
Service and Maintenance ...........................................................17
Sharpening Chipper Blades ....................................................................17
Chipping Blade Sharpening Tips............................................................. 18
Setting Chipping Blade Clearance .......................................................... 18
Adjusting Drive Belt ............................................................................... 19
Replacing Drive Belt............................................................................... 19
Clearing Plugged Rotor........................................................................... 20
Repairing or Replacing Rotor Bearings ................................................... 20
Greaseable Bearings .............................................................................. 21
Trailer Service Tips ................................................................................ 21
Service and Maintenance Schedule ....................................................... 22
Troubleshooting..........................................................................23
Specifications ..............................................................................25
Warranty
1
Safety Instructions
Y our safety and the safety of others is important. Valuable safety messages are
provided in this manual and on the machine. Please read these messages carefully .
A safety message alerts to potential hazards that could injure you or others. Each
safety message is preceded by one of three words: DANGER, W ARNING, or
CAUTION.
DANGER
WARNING
CAUTION
Before Operating
You WILL be KILLED or SERIOUSL Y HURT if safety instructions are not
followed.
You CAN be KILLED or SERIOUSL Y HUR T if safety instructions are not
followed.
You CAN be HURT if safety instructions are not followed.
• Do not operate this equipment before reading and understanding the owners
manual. See engine owners manual for additional safety information.
• Keep safety decals clean and legible.
• Replace missing or illegible safety decals.
• Familiarize yourself and other operators with the equipment operation.
Don’t hurry the learning process or take the unit for granted.
• Do not allow children-or any person unfamiliar with the use of the unit- to
use this machine.
• Do not operate this equipment in the vicinity of bystanders. Keep area
clear of all persons and pets.
• Do not run this equipment in an enclosed area; carbon monoxide is
extremely dangerous. The engine exhaust contains carbon monoxide, a
colorless, odorless, and tasteless gas.
• Always use an approved fuel container. Do not remove gas 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, smoking materials,
and other sources of combustion away from fuel.
2
Safety Instructions-Cont.
• Do not operate this machine if you are under the influence of alcohol,
medications, or substances that can affect your vision, balance, and
judgement. Do not operate if tired or ill. Y ou must be in good health to
operate this machine safely .
• Shut off the engine and ensure all moving parts are stopped before
inspecting or servicing any part of the machine.
• Inspect the surrounding area thoroughly before using this machine.
Remove all foreign objects (stones, wire, bottles, and cans) before
operating.
• Use only in daylight or good artificial light.
• Never use without proper guards in place.
• Wear safety glasses at all times while operating this machine. One
pair of safety glasses is provided.
CAUTION
• A void wearing loose fitting clothing. Never operate this machine
wearing clothing with drawstrings that could wrap around or get caught
in the machine.
• Check that all screws, nuts, bolts, and other fasteners are properly
secured before starting the machine. Check all screws, nuts, bolts, and
other fasteners for proper tightness to ensure everything is in proper
working condition once every 10 hours of operation.
• Keep all guards, deflectors, and shields in place and in good working
condition.
• Do not transport or move machine while the machine is running.
The standard muffler installed on the 20 HP Honda engine is not equipped with
a spark arrester. One must be added before use if this machine is intended to
be used in an area where a spark arrester is required by law . Contact the local
authorities if these laws apply to you. See your authorized engine dealer for
spark arrester options.
3
Safety Instructions-Cont.
Operation
• Do not allow hands, or any part of body or clothing, inside the feeding
chamber, discharge chute, or near any moving part.
• 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. Increased
machine vibration will also result causing machine movement and premature
wear of parts or loosening of fasteners.
• Check the cutting chamber to verify it is empty before starting the machine.
• Exclude pieces of metal, rocks, bottles, cans, and other foreign objects
when feeding chipable material into the machine.
• Shut off engine immediately if the cutting mechanism strikes any foreign
object or the machine starts making an unusual noise or vibrating. Allow the
machine to stop completely . After machine stops:
1. Inspect for damage.
2. Replace or repair any damaged parts.
3. Check for and tighten any loose parts.
• 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.
• Stand clear of the discharge area when operating this machine.
• Keep your face and body back from the feed opening.
• Do not overreach. Keep proper balance and footing at all times.
• Keep the engine clear of debris and other accumulations.
• 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.
• Setting up your chipping site so you are not endangered by traffic and the
public is not endangered by your work is critical for safety . T ake great care
to provide adequate warning by way of signage and coning, if diverting
vehicles or pedestrian traffic is necessary .
4
Safety Instructions-Cont.
• A well-prepared traffic plan includes parking off the highway whenever
possible. Cone the work area as soon as the chipper vehicle is stopped. A void
sudden traffic stoppage or lane diversion. Do not allow pedestrians to walk
through the work area. Ensure chips or dust do not blow into traffic, parked
cars, or pedestrians.
• Check the bolts on the following for correct torque (75 ft. lbs.) every 10 hours
of operation:
1. Chipper rotor bearing
2. Chipper blades (use 5/16” bolts (20 ft. lbs.))
3. Rotor blades
4. Chipper anvil
For hydraulic feed models:
5. Hydraulic feed roller bearing
6. Hydraulic motor mounting
Failure to maintain proper fastening torque (75 ft. lbs.) on component bolts listed
above may result in severe damage to the chipper and/or personal injury .
• Shut off engine and allow machine to stop completely before clearing debris if
the machine becomes clogged.
• On electric start models, disconnect cables from battery before doing any
inspection or service.
• Rotate the discharge tube to face the opposite direction of the towing
vehicle before towing. This prevents the discharge tube from projecting
over the trailer wheels and striking foreign objects.
• Lock the rotor by inserting a bolt or punch through the locking holes on
the side of the rotor housing.
5
Safety Instructions-Cont.
Additional Safety Rules for PTO Models
• Read and follow instructions on PTO safety decals.
• Stay alert and pay attention when PTO chipper is operating.
• Keep bystanders, especially children, away from PTO driveline.
• Connect 3 pt. hitch pins and snap pins, connect PTO driveline, and have leg
stands solidly on the ground when in use to proper spacing.
• Check the driveline to ensure it is attached securely to the tractor .
• Keep guards and shields in place at all times while operating. Disengage
tractor PTO and shut off engine before removing guards or shields.
• Keep hands, feet, and clothing away from all PTO drive parts.
• Do not clean, lubricate, or adjust the PTO shaft when it is running.
• Clothing worn by operator must be fairly tight. Never wear loose
fitting jackets, shirts, or pants when working around the PTO. Tie
long hair back or put under a cap.
6
Safety Instructions-Cont.
• Keep hydraulic hoses, electric cords, chains, and other items from
contacting the driveline.
• Make sure the tractor is in neutral or park and PTO is disengaged
before starting the tractor .
• Do not exceed the recommended 540 RPM PTO operating speed.
• When this equipment is stopped for servicing, inspection, storage,
or to change an accessory , make sure to disengage PTO and shut
off tractor engine.
• T o move the unit: shut off the PTO, lift 3 pt. hitch, and adjust leg
stands if needed.
WARNING
Safety Rules for Towing
Recommended tractor PTO horsepower is 15 HP to 45 HP. Use of these units on
tractors above 45 PTO horsepower may cause belt and machine damage in overload
conditions.
• Rotate the discharge tube to face the opposite direction of the towing
• Lock the rotor by inserting a bolt or punch through the locking holes on
• Connect hitch safety chains. Tighten and secure trailer hitch bolts. Do not
• Maximum towing speed is 55 MPH. Inflate tires to manufacturers specs. as
• Make sure the jack stand on trailer is in the UP position to clear the ground
vehicle before towing. This prevents the discharge tube from projecting
over the trailer wheels and striking foreign objects.
the side of the rotor housing.
attempt to tow the trailer if vehicle is not equipped with a 2” ball.
stated on the tire sidewall. Check wheel lug bolts periodically to ensure
they are tight and secure.
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 chute while the vehicle is
moving, whether the chipper is running or not.
• Shut off fuel supply to engine when towing.
• Disconnect spark plug wire when towing.
7
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