Echo 77412 User manual

OWNER'S MANUAL
4.5 INCH
CHIPPERS
77412 - 342CC BRIGGS ELECTRIC
START
77413 - 390CC HONDATOWABLE
77454 - 540 PTO
77412S - 342CC BRIGGS ELECTRIC
START
77413S - 390CC HONDATOWABLE
77454S - 540 PTO
PN: 14783-00
R050407
Companion to 14784-00
SN 704381 - 705024
MADE WITH PRIDE IN THE...
MADE WITH PRIDE IN THE...
F- MANUEL DU PROPIÉTAIRE
EN - OWNER'S MANUAL ES - MANUAL DEL PROPIETARIO

Before You Begin
DEAR ECHO Bear Cat CUSTOMER
Thank you for purchasing a 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 efciency, 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 request-
ed 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 ECHO BEAR CAT
ADDRESS PHONE E-MAIL HOURS
237 NW 12th Street
P.O. Box 849
West Fargo, ND 58078
800-247-7335
701-282-5520
FAX: [phone]
[email protected]
[email protected]
Monday - Friday,
8 am to 5 pm
Central Time
SERIAL NUMBER
MANUFACTURED BY CRARY INDUSTRIES
MANUFACTURED IN U.S.A.
XXXXXX
WEST FARGO, NORTH DAKOTA 58078 U.S.A.
SERIAL NUMBER
© 2006, CRARY INDUSTRIES, ALL RIGHTS RESERVED. PRODUCED AND PRINTED IN THE U.S.A.
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.
PARTS ORDERING INFORMATION
For service assistance, contact your nearest authorized ECHO
Bear Cat dealer or the factory. For parts, contact your nearest
authorized ECHO Bear Cat dealer. Your nearest authorized
dealer will need to know the serial number of your machine
to provide the most efcient service. See below for informa-
tion 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.
*Original Instructions

4.5 INCH CHIPPER 1
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, filters2.
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 improper4.
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.

4.5 INCH CHIPPER
2
TABLE OF CONTENTS
DESCRIPTION PAGE
SAFETY .................................................................................................................................................... 3
1.2 EMISSION INFORMATION 3
1.3 BEFORE OPERATING 4
1.4 OPERATION SAFETY 4
1.4 OPERATION SAFETY (CONT.) 5
1.5 PTO SAFETY 5
1.6 BATTERY SAFETY 5
1.7 MAINTENANCE/STORAGE SAFETY 6
1.8 TOWING SAFETY 6
1.9 SAFETY DECALS 7
1.9 SAFETY DECALS 7
1.10 SAFETY DECAL LOCATIONS 8
1.10 SAFETY DECAL LOCATIONS 9
1.10 SAFETY DECAL LOCATIONS 10
ASSEMBLY..............................................................................................................................................11
2.1 TRAILER ASSEMBLY (342CC MODELS) 11
2.2 TRAILER ASSEMBLY (390CC MODELS) 12
2.2 TRAILER ASSEMBLY (CONT.) 13
2.3 DISCHARGE ASSEMBLY 13
2.3 DISCHARGE ASSEMBLY (CONT.) 14
2.4 CHUTE ASSEMBLY 14
2.5 CHUTE EXTENSION 14
2.5 CHUTE EXTENSION (CONT.) 15
2.6 BATTERY INSTALLATION (342CC MODELS) 15
15
2.7 CHECKING FLUIDS (ENGINE MODELS) 15
2.7 CHECKING FLUIDS (CONT.) 16
2.8 DRIVELINE CONNECTION (PTO MODELS) 16
CONTROLS & OPERATION .................................................................................................................. 17
3.1 ENGINE MODEL CONTROLS 17
3.1 ENGINE MODEL CONTROLS (CONT.) 18
3.2 PTO MODEL CONTROLS 19
3.3 STARTING 20
3.4 STOPPING 21
3.5 CHIPPING 21
3.6 ATTACHING/UNHOOKING CHIPPER 21
3.6 ATTACHING/UNHOOKING (CONT.) 22
SERVICE & MAINTENANCE ................................................................................................................. 23
4.1 MAINTENANCE SCHEDULE 23
4.2 INSTALLING THE DISK LOCK 24
4.3 CHIPPER BLADES 24
4.3 CHIPPER BLADES (CONT.) 25
4.4 DRIVE BELT ADJUSTMENT 26
4.5 DRIVE BELT REPLACEMENT 27
4.5 DRIVE BELT REPLACEMENT (CONT.) 28
4.6 REPLACING ROTOR BEARINGS 28
4.6 REPLACING BEARINGS (CONT.) 29
4.7 TRAILER SERVICE TIPS 30
4.8 CLEARING A PLUGGED DISK 30
4.9 GREASING BEARINGS AND PIVOTS 30
4.9 GREASING BEARINGS AND PIVOTS (CONT.) 31
4.9 GREASING BEARINGS AND PIVOTS (CONT.) 32
TROUBLESHOOTING............................................................................................................................ 33
5.1 GENERAL TROUBLESHOOTING 33
5.1 GENERAL TROUBLESHOOTING 34
SPECIFICATIONS .................................................................................................................................. 35
6.1 SIZE SPECIFICATIONS 35
6.2 BOLT TORQUE 36

4.5 INCH CHIPPER 3
Section
1SAFETY
DANGER
Indicates an imminently hazardous situation that, if
not avoided, will result in death or serious injury.
CAUTION
Indicates a potentially hazardous situation that, if not
avoided, may result in minor or moderate injury.
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 in-
jury, death or property damage.
WARNING
Indicates a potentially hazardous situation that, if not
avoided, could result in death or serious injury.
1.1 SAFETY ALERT SYMBOL 1.2 EMISSION INFORMATION
WARNING TO ALL OWNERS IN CALIFORNIA AND
OTHER STATES OPERATING OUTDOOR POWER
EQUIPMENT
Under California Law and under
the laws of several other states,
you are not permitted to operate
an internal combustion engine
using hydrocarbon fuels on any
forest covered, brush covered
or grass covered land or on land
covered with grain, hay or other ammable agricultural
crops, without an engine spark arrester in continuous ef-
fective working order.
The engine on your power equipment, like most outdoor
power equipment, is an internal combustion engine that
burns gasoline (a hydrocarbon fuel). Therefore, your
power equipment must be equipped with a spark arrester
mufer in continuous effective working order. The spark
arrester must be attached to the engine exhaust system
in such a manner that ames or heat from the system will
not ignite ammable material.
Failure of the owner/operator of the equipment to comply
with this regulation is a misdemeanor under California law
and may also be a violation of other state and/or federal
regulations, laws, ordinances, or codes. Contact your lo-
cal re marshal or forest service for specic information
about which regulations apply in your area.


installed on the 342CC Briggs & Stratton engine is
NOT equipped with a spark arrester. One must be

machine 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 ar-
rester options.

4.5 INCH CHIPPER
4
SAFETY
Always stand clear of discharge area when operating1.
this machine. Keep face and body away from feed and
discharge openings.
Keep hands and feet out of feed and2.
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 traffic3.
and the public. Take great care to provide adequate
warnings.
Do not climb on machine when operating. Keep proper4.
balance and footing at all times.
Check cutting chamber to verify it is empty before5.
starting the machine.
The rotor will continue to rotate when belt is disen-6.
gaged.
Do not insert branches larger than 4-1/2 inches (1147.
millimeters) in diameter into chipper or machine dam-
age may occur.
When feeding material into machine, do not allow8.
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 accumula-10.
tions.
Do not allow processed material to build up in the11.
discharge area. This may prevent proper discharge
and can result in kickback of material through the feed
opening.
Read and understand this Owner/Operators manual.1.
Be completely familiar with the controls and the proper
use of this equipment.
Familiarize yourself with all of the safety and operating2.
decals on this equipment and on any of its attachments
or accessories.
Keep safety decals clean and legible. Replace missing3.
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 clothing. Never operate this5.
machine wearing clothing with drawstrings that could
wrap around or get caught in the machine.
Do not operate this machine6.
if 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 oper-
ate this machine safely.
Do not operate this equipment in7.
the vicinity of bystanders. 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 enclosed area. Engine10.
exhaust contains carbon monoxide gas, a deadly poi-
son 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 remove11.
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,12.
smoking materials and other sources of combustion
away from fuel.
Do not operate machine without shields in place. Fail-13.
ure to do so may cause serious injury or death.
1.3 BEFORE OPERATING Keep all guards, deflectors, and14.
shields in good working condition.
Before inspecting or servicing any part15.
of this machine, shut off power source,
disconnect spark plug wire from spark
plug and make sure all moving parts
have come to a complete stop.
Check that all screws, nuts, bolts, and16.
other fasteners are secured, tightened
and in proper working condition before
starting the machine and once every
8 hours of operation.
Do not transport or move machine17.
while the machine is operating or
running.
1.4 OPERATION SAFETY

4.5 INCH CHIPPER 5
SAFETY
Shut off machine immediately if the machine becomes12.
clogged, the cutting mechanism strikes any foreign
object, or the machine starts vibrating or making an
unusual noise. Shut off power source, disconnect
spark plug wire from spark plug and make sure all
moving parts have come to a complete stop. After
machine stops:
Inspect for damage.A.
Replace or repair any damagedB.
parts.
Check for and tighten any looseC.
parts.
Check blade bolts for proper torque after every 8 hours13.
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 OPERATION SAFETY (CONT.)
1.5 PTO SAFETY
Read and follow instructions on PTO safety decals.1.
Stay alert and pay attention when PTO is operating.2.
Keep bystanders, especially children, away from PTO3.
driveline.
Check the driveline to ensure it is attached securely4.
to the power supply.
Keep guards and shields in place at all times while5.
operating. Disengage PTO, shut off power source,
remove key and make sure all moving parts have
come to a complete stop before removing guards or
shields.
Clothing worn by op-6.
erator must be fairly
tight. Never wear loose
fitted jackets, shirts, or
pants when working
around the PTO. Tie
long hair back or put
under a cap.
Keep hydraulic hoses,7.
electric cords, chains and other items from contacting
the driveline.
Do not exceed the recommended 540 RPM PTO8.
operating speed.
Before inspecting or ser-9.
vicing the PTO drive area,
disengage the driveline,
shut off power source,
remove key and make
sure all moving parts
have come to a complete
stop.
Keep hands, feet, and10.
clothing away from all
PTO drive parts.
Do not clean, lubricate or adjust the PTO shaft when 11.
it is running.
1.6 BATTERY SAFETY
Improper use and care of the battery on electric start mod-
els can result in serious personal injury or property dam-
age. Always observe the following safety precautions.
Poison/Danger - Causes Severe Burns. The battery1.
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,2.
flame or cigarettes away. Ventilate area when charg-
ing battery. Always wear safety goggles when working
near battery.
The battery contains toxic materials. Do not damage3.
battery case. If case is broken or damaged, avoid
contact with battery contents.
Neutralize acid spills with a baking soda and water4.
solution.
Properly dispose of a damaged or worn-out battery.5.
Check with local authorities for proper disposal meth-
ods.
Do not short circuit battery. Severe fumes and fire6.
can result.
Before working with electrical wires or components,7.
disconnect battery ground (negative) cable first. Dis-
connect positive cable second. Reverse this order
when reconnecting battery cables.
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.

4.5 INCH CHIPPER
6
SAFETY
Towing laws may vary in different countries/regions/1.
states. It is recommended that you contact your local
motor vehicle department for any special rules that
pertain to towing and to know the rules of any coun-
try/region/state you may travel through.
Connect hitch safety chains. Tighten and secure trailer2.
hitch bolts. Do not attempt to tow the trailer if vehicle is
not equipped with the proper size hitch ball.
Check wheel lug bolts periodically to ensure they are3.
tight and secure.
Place the jack stand on the trailer in the UP position 4.
to clear the ground while towing. Place the jack stand
on a level surface and secure it in the DOWN position
before using the chipper.
Never allow passengers to ride on the chipper.5.
If applicable, shut off fuel supply when towing.6.
1.8 TOWING SAFETY
Before inspecting, servicing, storing, or changing an1.
accessory, shut off power source, disconnect spark
plug wire from spark plug 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 where4.
fuel vapors will not reach an open flame or spark.
Never store this machine with fuel in the fuel tank5.
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.
Drain the fuel and dispose of it in a safe manner for6.
storage periods of three months or more.
1.7 MAINTENANCE/STORAGE SAFETY

4.5 INCH CHIPPER 7
SAFETY

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.

1
See Section 1.10 for decal locations. Familiarize yourself with all of the safety and operating decals on the machine
and the associated hazards. See the engine owners manual or contact the engine manufacturer for engine safety
instructions and decals. Make certain that all safety and operational decals on this machine are kept clean and in good
condition. Refer to the parts catalog if you need a replacement decal. Decals that need replacement must be applied to
their original locations.
8
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, DISCONNECT
SPARK PLUG WIRE FROM SPARK
PLUG AND MAKE SURE ALL MOVING
PARTS HAVE COME TO A COMPLETE
STOP.
P/N 12172
KEEP HANDS AND FEET OUT
OF INLET AND DISCHARGE
OPENINGS WHILE MACHINE IS
OPERATING TO AVOID SERIOUS
PERSONAL INJURY. STOP AND
ALLOW MACHINE TO COME TO
A COMPLETE STOP BEFORE
CLEARING OBSTRUCTIONS.
P/N 12175
6
P/N 12250
7
PN 12168
2
CONTACT WITH ROTATING
DRIVELINE CAN CAUSE DEATH.
DO NOT OPERATE WITHOUT
ALL DRIVELINE, TRACTOR AND
EQUIPMENT SHIELDS IN PLACE.
ENSURE THE DRIVELINE IS
SECURELY ATTACHED AT BOTH
ENDS AND DRIVELINE SHIELDS
THAT TURN FREELY ON THE
DRIVELINE ARE IN PLACE.
PN 12174
DO NOT OPERATE MACHINE WITHOUT SHIELDS IN
PLACE. FAILURE TO DO SO MAY CAUSE SERIOUS
INJURY OR DEATH.
5
3
KEEP HANDS AND FEET OUT OF INLET AND
DISCHARGE OPENINGS WHILE MACHINE IS
OPERATING TO AVOID SERIOUS PERSONAL INJURY.
STOPANDALLOW MACHINE TO COMETOA COMPLETE
STOP BEFORE CLEARING OBSTRUCTIONS.
4PN 12173
DON 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.



PN 12168
PN 12173
PN 12174
PN 12175
PN 12250
PN 12172

4.5 INCH CHIPPER
8
SAFETY
The numbers below correspond to the decals in Section 1.9. Familiarize yourself with all of the safety and operational
decals on the machine and the associated hazards. See the engine owners manual or contact the engine manufacturer
for engine safety instructions and decals. Make certain that all safety and operating decals on this machine are kept
clean and in good condition. Refer to the parts catalog if you need a replacement decal. Decals that need replacement
must be applied to their original locations.
1.10.1 MODELS 77412, 77412S ("S" MODEL SHOWN)
1.10 SAFETY DECAL LOCATIONS
*DECAL 5, #12174, IS LOCATED
UNDERNEATH THE BELT GUARD.

4.5 INCH CHIPPER 9
SAFETY
1.10.2 MODELS 77413, 77413S ("S" MODEL SHOWN)
The numbers below correspond to the decals in Section 1.9. Familiarize yourself with all of the safety and operational
decals on the machine and the associated hazards. See the engine owners manual or contact the engine manufacturer
for engine safety instructions and decals. Make certain that all safety and operating decals on this machine are kept
clean and in good condition. Refer to the parts catalog if you need a replacement decal. Decals that need replacement
must be applied to their original locations.
1.10 SAFETY DECAL LOCATIONS
*DECAL 5, #12174, IS LOCATED
UNDERNEATH THE BELT GUARD.

4.5 INCH CHIPPER
10
SAFETY
The numbers below correspond to the decals in Section 1.9. Familiarize yourself with all of the safety and operational
decals on the machine and the associated hazards. See the engine owners manual or contact the engine manufacturer
for engine safety instructions and decals. Make certain that all safety and operating decals on this machine are kept
clean and in good condition. Refer to the parts catalog if you need a replacement decal. Decals that need replacement
must be applied to their original locations.
1.10 SAFETY DECAL LOCATIONS
1.10.3 MODELS 77454, 77454S ("S" MODEL SHOWN)
*DECAL 5, #12174, IS LOCATED
UNDERNEATH THE BELT GUARD.

4.5 INCH CHIPPER 11
Section
2ASSEMBLY
Attach both axles to the hitch pole using two 5/16"1.
U-bolts, washers and locknuts.
Slide a wheel onto the axle and secure with a 5/8"2.
washer and cotter pin. Repeat for the remaining
wheel.
Position the trailer onto the axle using a hoist or3.
jack:
Standard Configuration (Figures 1 & 2):A. The
axle and wheels should be positioned at the end
farthest away from the engine. Secure the trailer
to the hitch pole using two 3/8" x 1" carriage bolts,
3/8" washers and 3/8" nuts. The axle mounting
brackets located on each side of the trailer are
already mounted in the correct spot. Attach the
axles to the axle brackets using two 5/16" U-bolts,
washers and locknuts.
Optional Configuration (Figure 3):B. Move the
axle mounting brackets on the side of the trailer to
the holes closest to the engine. Attach the trailer
to the hitch pole using two 3/8" x 1" carriage bolts,
3/8" washers and 3/8" nuts. Attach the axles to the
axle brackets using two 5/16" U-bolts, washers
and locknuts.
Attach the hitch pole plate to the front of the hitch4.
pole using two 3/8" x 1" bolts, 3/8" washers and 3/8"
nuts.
Figure 1, Standard trailer/hitch assembly
(Models 77412, 77412S)
Figure 2, Standard trailer configuration
(Models 77412, 77412S)
Figure 3, Optional trailer configuration
(Models 77412, 77412S)
WARNING
Before inspecting or servicing any part of this machine,
shut off power source, disconnect spark plug wire from
spark plug and make sure all moving parts have come
to a complete stop.
NOTE
The wheel base is adjustable from 36" to 46".
WARNING
If any bolts or nuts are dropped in the machine, be sure
to remove them before starting the machine. Remove
items from the shredder area by removing the discharge
screen.
2.1 TRAILER ASSEMBLY (342CC MODELS)
NOTE
The optional trailer conguration with the discharge tube
is optimal for discharging material into a pickup bed. The
standard conguration is used when discharging material
directly to the ground.

4.5 INCH CHIPPER
12
ASSEMBLY
2.2.1 LIGHTS
If assembling 390CC models to the optional congura-
tion shown in Figure 7, move the trailer lights by following
these steps:
1. Remove the bolts connecting the RH and LH light
brackets to the trailer.
2. Disconnect the trailer light wiring harness from the
lights by pushing a punch into the wire release hole
(Figure 4).
3. Cross the taillights and attach them to the other end of
the trailer. Make sure the right tail light is attached to
the right side of the trailer, and the left light is on the
left side.
4. Reconnect the wiring harness.
5. Test the blinker and brake lights to ensure the wiring
is properly connected.
2.2.2 AXLE AND WHEEL ASSEMBLY
Attach the fender weldment to the fender mount with1.
two 5/16" x 1" bolts and one 5/16" x 3/4" bolt. Attach the
fender mount to the axle with two 1/2" x 1-1/4" bolts.
Slide a wheel onto the hub. Install four 1/2" nuts and2.
tighten to 75 Ft-lb. Repeat for the other wheel.
Position the trailer onto the axle using a hoist or3.
jack:
Standard Configuration (Figure 5 & 6):A. Locate
the holes on the sides of the trailer farthest from
the engine. Align these holes with the top holes
on the axle support brackets located on the axle.
Attach with one 3/8" x 1" bolt and one 3/8" x 1-1/4"
bolt on each side.
Figure 4, Disconnecting the wiring harness
Figure 5, Standard trailer/hitch assembly
(Models 77413, 77413S)
Figure 6, Standard trailer configuration
(Models 77413, 77413S)
Figure 7, Optional trailer configuration
(Models 77413, 77413S)
 Optional Configuration (Figure 7):B. Locate the
holes on the sides of the trailer closest to the
engine. Align these holes with the top holes on the
axle support brackets located on the axle. Attach
with one 3/8" x 1" bolt and one 3/8" x 1-1/4" bolt
on each side.
NOTE
The optional trailer conguration with the discharge tube
is optimal for discharging material into a pickup bed. The
standard conguration is used when discharging material
directly to the ground.

4.5 INCH CHIPPER 13
ASSEMBLY
2.2.3 HITCH ASSEMBLY
Attach the hitch channel to the bottom of the trailer:1.
Standard Configuration (Figures 5 & 6):A. Attach
the hitch channel on the end closest to the engine
using two 3/8" carriage bolts, washers and nuts.
Optional Configuration (Figure 7):B. Attach the
hitch channel on the end farthest from the engine
using two 3/8" carriage bolts, washers and nuts.
Attach the coupler and the coupler handle (not used2.
on 77413S) onto the hitch pole using two 1/2" x 3-1/4"
bolts, 1/2" washers and 1/2" nuts (Figure 8).
Attach the safety chains, one on each side of the hitch3.
pole, using one 3/8" x 3-1/2" bolt, four washers (one
on each side of both safety chains) and one nut.
Attach the nylon lanyard to the hitch pole using one4.
1/4" x 3/4" bolt and 1/4" locknut. Attach a hitch pin to
the lanyard.
Attach the jack stand to the hitch pole using one 3/8" 5.
x 3" bolt, 3/8" washer and 3/8" nut. Use a hitch pin to
secure the jack in the raised position.
Insert the hitch pole into the hitch channel and attach6.
using one 3/8" x 3" bolt, washer and nut. Secure with
a hitch pin.
2.3.1 DISCHARGE CAP
Move the chipper deflector weldment located inside the1.
chipper housing to the down position (Figure 9).
Slide the discharge cap onto the chipper housing,2.
ensuring that the weldment bolts fit in the notches on
the disk cover (Figure 10). Install two 5/16" serrated
flange nuts on the weldment bolts.
Insert two 3/8" x 5-1/2" bolts into the bolt holes on the3.
chipper housing and tighten using 3/8" washers and
3/8" nylock nuts.
Figure 10, Discharge cap
Figure 9, Chipper deflector weldment
2.2 TRAILER ASSEMBLY (CONT.)
Figure 8, Hitch assembly
2.3 DISCHARGE ASSEMBLY
2.3.2 DISCHARGE TUBE (OPTIONAL)
Move the chipper deflector weldment located inside1.
the chipper housing to the up position (Figure 9).

4.5 INCH CHIPPER
14
ASSEMBLY
Attach the chipper chute to the chipper housing using four
3/8" x 1" carriage bolts, washers and locknuts (Figure
12). Use two bolts on each side. Install with nuts on the
outside.
Figure 12, Chipper chute
2.5.1 EXTENSION TRAY (77412S, 77413S)
Attach the chipper chute flap and flap retainer to the1.
chute with two 3/8" x 1" carriage bolts through the
outside holes. Install the rubber bumper to the center
hole with a 1/4" x 1-1/2" screw, washer and nut (Figure
13).
Attach the extension hinge to the chipper chute with2.
three 3/8" x 1" carriage bolts, washers and nuts.
Position the lips of the extension tray behind the lips of3.
the chipper chute. Slide the chute extension tray over
the chipper chute. Align the four bolt holes in the chute
extension tray with the bolt holes in the hinge.
Insert four 3/8" x 1" carriage bolts through the tray and4.
extension hinge. Secure the bolts with 3/8" washers
and nuts.
Connect the hinge latch to the bottom of the extension5.
tray with two 5/16" x 3/4" carriage bolts, washers and
nuts.
2.4 CHUTE ASSEMBLY
2.5 CHUTE EXTENSION2.3 DISCHARGE ASSEMBLY (CONT.)
Slide the discharge tube onto the chipper housing2.
ensuring that the weldment bolts fit securely into the
notches on the disk cover (Figure 11). Tighten using
5/16" flange nuts.
Insert two 3/8" x 5-1/2" bolt into the bolt holes on the3.
chipper housing and tighten using 3/8" washers and
3/8" nylock nuts.
Figure 11, Optional discharge tube
Figure 13, Extension tray

4.5 INCH CHIPPER 15
ASSEMBLY
Figure 14, Chipper chute extension
The battery is mounted on the side of the chipper in front
of the engine. Only use batteries that meet or exceed the
following specifications:
Battery Category, Lawn and Garden
BCI Group Size U1
200-250 CCA
7-3/4" X 5-3/16" X 7-5/16"
Suggested Source:
Exide Cutting Edge, Type GT-H
2.7.1 CHECKING/ADDING MOTOR OIL
Check the oil level. If needed, fill the engine with the type
and amount of oil specified in the engine owner's manual.
Figures 15 and 16 show the oil fill locations for both Briggs
& Stratton and Honda engines.
Figure 15, Briggs oil fill (located on each side of engine)
Figure 16, Honda oil fill
2.6 BATTERY INSTALLATION (342CC MODELS)
WARNING
To avoid sparks and a possible explosion or fire due to
a short circuit:
Do not touch the positive (+) battery terminal with tools,
jewelry or other metal objects.
When installing battery cables, connect the positive (+)
cable first and the negative (-) cable last.
2.7 CHECKING FLUIDS (ENGINE MODELS)
2.5 CHUTE EXTENSION (CONT.)
2.5.1 CHUTE EXTENSION (77454S)
Attach the chipper chute extension to the chipper chute
using six 3/8" x 1" carriage bolts, 3/8" washers and 3/8"
nuts (Figure 14). Use three bolts on each side.

4.5 INCH CHIPPER
16
ASSEMBLY
2.8 DRIVELINE CONNECTION (PTO MODELS)
DANGER
Gasoline is highly flammable and its vapors are explo-
sive. To prevent personal injury or property damage:
Store gasoline only in approved containers, in well
ventilated, unoccupied buildings, away from sparks or
flames. Do not fill the fuel tank while the engine is hot
or running. Spilled fuel could ignite if it comes in contact
with hot parts or sparks from ignition. Do not start the
engine near spilled fuel. Never use gasoline as a cleaning
agent.
IMPORTANT
Do not attempt to start the engine at this time. Wait until
you have read the complete starting instructions in the
Operation Section of this manual.
2.7.2 FILLING THE FUEL TANK
For best results use only clean, fresh, unleaded gasoline
with a pump octane rating of 86 or higher or a research
octane rating of 91 or higher.
Purchase gasoline in small quantities and store in
clean, approved containers. DO NOT MIX OIL WITH
GASOLINE.
Ethanol
Gasohol (up to 10% ethyl alcohol, 90% unleaded gasoline
by volume) is an approved fuel. Other gasoline/alcohol
blends are not approved.
MTBE
Methyl Tertiary Butyl Ether (MTBE) and unleaded gasoline
blends (up to a maximum of 15% MTBE by volume) are
an approved fuel for engine models. Other gasoline/ether
blends are not approved.
Methanol
Methanol (up to a maximum of 5% volume) is an approved
fuel. Methanol blends must contain cosolvents and
corrosion inhibitors to protect the fuel system. Gasoline
containing more than 5% methanol may cause engine
problems.
To Add Gasoline
Stop engine, wait for all parts to stop moving and1.
disconnect spark plug wire. Remove key from key
switch. Allow the engine and muffler to cool for at least
three minutes.
Clean area around fuel fill cap and remove cap.2.
Using a clean funnel, fill fuel tank to 1/2" below bottom3.
of filler neck to provide space for any fuel expansion.
Install fuel fill cap securely and wipe up any spilled
gasoline.
2.7 CHECKING FLUIDS (CONT.)
Figure 17, Shortening the driveline
Attach chipper to tractor with three-point hitch. Adjust 1.
the chipper up and down to find the shortest distance
between the chipper rotor shaft and tractor PTO.
Pull the driveline into two pieces. Connect one end to the2.
tractor PTO and the other end to the chipper rotor shaft.
Line up the two halves parallel to each other. If the shaft
of one half extends past the end shield of the other half
as seen in the illustration below, you will need to shorten
the driveline. If your driveline is not too long, slide
the two ends together and skip to step 7.
Measure the distance from the end of the driveline tube3.
to the bottom of the end shield of the other driveline half
(dimension “A” in Figure 17). Measure and mark the
driveline tube 1-9/16” inward from dimension “A.”
Cut the shield tube in the marked position.4.
Using the cut piece of shield tube as your measure-5.
ment, place the cut piece against the end of the shaft.
Mark and cut the shaft.
Repeat step 5 for the other half of the driveline, file both6.
shaft ends, and slide the two halves back together.
The longest distance between the tractor PTO and7.
chipper rotor shaft must also be checked. If the longest
distance exceeds 24.5", contact your dealer to obtain
a longer PTO shaft.
When you have confirmed that your PTO shaft is the8.
proper length, connect the driveline to the chipper rotor
shaft using key stock and two set screws contained in
the owner’s kit.
Connect the opposite end of the PTO shaft to the tractor.9.

4.5 INCH CHIPPER 17
Section
CONTROLS &
OPERATION
3
3.1.1 CHIPPER CONTROLS
H1. itch: On 390CC models, always use 2 inch (50 mm)
ball and safety chains.
Jack stand2. :Always have in UP position and clear from
ground when moving. When in use, place in DOWN
position on a level surface.
Belt guard3. : Never remove guards when chipper is
in use.
Rotor access cover4. : Remove to expose chipper
blades.
Discharge cap5. : Chipped materials exit through the
discharge cap. A discharge tube is an available al-
ternative.
Chipper chute6. : Feed materials to be chipped through
the chipper chute.
Chipper engagement lever7. : Pull lever up for start
position. Push lever down for chipping position.
3.1 ENGINE MODEL CONTROLS
CAUTION
Wear safety glasses at all times when operating the
machine. Do not wear loose tting clothing. The opera-
tor should always wear heavy boots, gloves, pants and
shirt. Use common sense and practice safety to protect
yourself from branches, sharp objects and other harm-
ful objects.
NOTE
The heavy rotor will continue to turn for some time after
the engine or tractor has been shut off. You can tell
that the rotor has stopped when no noise or machine
vibration is present. Inserting a branch into the chipper
chute to contact the blades will slow the rotor and shorten
stopping time.
Figure 18, Chipper controls (engine models)

4.5 INCH CHIPPER
18
CONTROLS & OPERATION
3.1 ENGINE MODEL CONTROLS (CONT.)
3.1.2 ENGINE CONTROLS
Engine1. choke: Use when starting a cold engine. Push
lever to ON position when starting. Push to OFF posi-
tion when engine is running. Full choke may not be
necessary when starting a warm engine. In this case,
partial or no choke may work best.
Fuel cut-off switch2. : Push lever to the ON position to
start and run engine.
Engine throttle3. : Changes engine speed. Push lever
all the way to the ON position for full throttle operation.
Push the opposite way for engine idle. Push all the way
to the OFF position to shut engine off. Refer to engine
manual for further engine operating instructions.
Starter cord4. : To start, pull the cord until light resis-
tance is felt and then pull briskly.
Engine switch5. : Turn to ON position to start and run
engine. To stop, turn to OFF position.
Fuel tank6. : Use unleaded gasoline with a pump octane
rating of 86 or higher or a research octane rating of
91 or higher. Do not mix with oil. 10 percent ethanol,
15 percent MTBE, or 5 percent methanol blends are
acceptable.
Figure 20, 390CC Honda controls
NOTE
For more detailed engine information, see the engine
owners manual provided with the chipper.
Figure 19, 342CC Briggs & Stratton controls