Troy Bilt 414 User Manual

Safety • Assembly • Operation • Tips & Techniques • Maintenance • Troubleshooting • Parts Lists • Warranty

OPERATOR’S MANUAL

Model 24A-424G766 Shown

Chipper Shredder — Models 414 & 424

IMPORTANT

READ SAFETY RULES AND INSTRUCTIONS CAREFULLY BEFORE OPERATION

Warning: This unit is equipped with an internal combustion engine and should not be used on or near any unimproved forest-covered, brush-

covered or grass-covered land unless the engine’s exhaust system is equipped with a spark arrester meeting applicable local or state laws (if any).

If a spark arrester is used, it should be maintained in effective working order by the operator. In the State of California the above is required by law

(Section 4442 of the California Public Resources Code). Other states may have similar laws. Federal laws apply on federal lands. A spark arrester

for the muffler is available through your nearest engine authorized service dealer or contact the service department, P.O. Box 361131 Cleveland,

Ohio 44136-0019.

FORM NO. 769-00830B

PRINTED IN U.S.A.

6/01/2005

TROY BILT LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019

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Safety

Labels

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WARNING

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This symbol points

out important safety

instructions which, if

not followed, could

endanger the personal

safety and/or property

of yourself and others.

Read and follow all

instructions in this

��

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manual before at-

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tempting to operate

this machine. Failure

to comply with these

instructions may result

in personal injury. When

you see this symbol.

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HEED ITS WARNING!

Your Responsibility

Restrict the use

of this power machine

to persons who read,

understand

and follow the warnings

and instructions

in this manual

and on the machine.

WARNING: Engine Exhaust, some of its constituents, and certain vehicle compo-

nents contain or emit chemicals known to State of California to cause cancer and

birth defects or other reproductive harm.

DANGER: This machine was built to be operated according to the rules for safe operation in this

manual. As with any type of power equipment, carelessness or error on the part of the operator can

result in serious injury. This machine is capable of amputating hands and feet and throwing objects.

Safe

Operation ^{Failure to observe the following safety instructions could result in serious injury or death.}

Training

Preparation

1. Read, understand, and follow all instructions on the

machine and in the manual(s) before attempting to

assemble and operate. Keep this manual in a safe place for

future and regular reference and for ordering replacement

parts.

1. Thoroughly inspect the area where the equipment is to

be used. Remove all rocks, bottles, cans, or other foreign

objects which could be picked up or thrown and cause

personal injury or damage to the machine.

2. Always wear safety glasses or safety goggles during opera-

tion or while performing an adjustment or repair, to protect

eyes. Thrown objects which ricochet can cause serious

injury to the eyes.

Practices

2. Be familiar with all controls and their proper operation.

Know how to stop the machine and disengage them quickly.

3. Never allow children under 16 years old to operate this

machine. Children 16 years old and over should read and

understand the operation instructions and safety rules in

this manual and should be trained and supervised by a

parent.

4. Never allow adults to operate this machine without proper

instruction.

5. Keep bystanders, helpers, pets, and children at least 75

feet from the machine while it is in operation. Stop machine

if anyone enters the area.

3. Wear sturdy, rough-soled work shoes and close-fitting

slacks and shirts. Loose fitting clothes or jewelry can be

caught in movable parts. Never operate this machine

in bare feet or sandals. Wear leather work gloves when

feeding material in the chipper chute.

4. Before starting, check all bolts and screws for proper tight-

ness to be sure the machine is in safe working condition.

Also, visually inspect machine for any damage at frequent

intervals.

WARNING

This symbol points

out important safety

instructions which, if

not followed, could

endanger the personal

safety and/or property

of yourself and others.

Read and follow all

instructions in this

6. Never run an engine indoors or in a poorly ventilated area.

Engine exhaust contains carbon monoxide, an odorless

and deadly gas.

5. Maintain or replace safety and instructions labels, as

necessary.

7. Do not put hands and feet near rotating parts or in the

feeding chambers and discharge opening. Contact with the

rotating impeller can amputate fingers, hands, and feet.

8. Never attempt to unclog either the feed intake or discharge

opening, remove or empty bag, or inspect and repair the

machine while the engine is running. Shut the engine off

and wait until all moving parts have come to a complete

stop. Disconnect the spark plug wire and ground it against

the engine.

6. To avoid personal injury or property damage use extreme

care in handling gasoline. Gasoline is extremely flammable

and the vapors are explosive. Serious personal injury can

occur when gasoline is spilled on yourself or your clothes

which can ignite. Wash your skin and change clothes

immediately.

manual before at-

a. Use only an approved gasoline container.

b. Extinguish all cigarettes, cigars, pipes, and other

sources of ignition.

tempting to operate

this machine. Failure

to comply with these

instructions may result

in personal injury. When

you see this symbol.

c. Never fuel machine indoors.

d. Never remove gas cap or add fuel while the engine is hot

or running.

e. Allow engine to cool at least two minutes before refuel-

ing.

f. Never over fill fuel tank. Fill tank to no more than 1/2

inch below bottom of filler neck to provide space for fuel

expansion.

g. Replace gasoline cap and tighten securely.

h. If gasoline is spilled, wipe it off the engine and equip-

ment. Move machine to another area. Wait 5 minutes

before starting the engine.

i. Never store the machine or fuel container inside where

there is an open flame, spark, or pilot light (e.g. furnace,

water heater, space heater, clothes dryer, etc.)

j. To reduce a fire hazard, keep machine free of grass,

leaves, or other debris build-up. Clean up oil or fuel

spillage and remove any fuel soaked debris.

k. Allow machine to cool at least 5 minutes before storing.

HEED ITS WARNING!

Your Responsibility

Restrict the use

of this power machine

to persons who read,

understand

and follow the warnings

and instructions

in this manual

and on the machine.

Operation

Maintenance & Storage

1. Do not put hands and feet near rotating parts or in the

feeding chambers and discharge opening. Contact with the

rotating impeller can amputate fingers, hands, and feet.

2. Before starting the machine, make sure the chipper chute,

feed intake, and cutting chamber are empty and free of all

debris.

1. Never tamper with safety devices. Check their proper

operation regularly.

2. Check bolts and screws for proper tightness at frequent

intervals to keep the machine in safe working condition.

Also, visually inspect machine for any damage and repair, if

needed.

3. Thoroughly inspect all material to be shredded and remove 3. Before cleaning, repairing, or inspecting, stop the engine

Safe

Operation

Practices

any metal, rocks, bottles, cans, or other foreign objects

which could cause personal injury or damage to the

machine.

and make certain the impeller and all moving parts have

stopped. Disconnect the spark plug wire and ground it

against the engine to prevent unintended starting.

4. Do not change the engine governor settings or overspeed

the engine. The governor controls the maximum safe

operating speed of the engine.

I4. f it becomes necessary to push material through the

shredder hopper, use a small diameter stick. Do not use

your hands or feet.

I5. f the impeller strikes a foreign object or if your machine

should start making an unusual noise or vibration,

immediately shut the engine off. Allow the impeller to come

to a complete stop. Disconnect the spark plug wire, ground

it against the engine and perform the following steps:

a. Inspect for damage.

5. Maintain or replace safety and instruction labels, as neces-

sary.

6. Follow this manual for safe loading, unloading, transporting,

and storage of this machine.

7. Never store the machine or fuel container inside where

there is an open flame, spark or pilot light such as a water

heater, furnace, clothes dryer, etc.

8. Always refer to the operator’s manual for proper instructions

on off-season storage.

b. Repair or replace any damaged parts.

c. Check for any loose parts and tighten to assure

continued safe operation.

WARNING

6. Do not allow an accumulation of processed material to build 9. If the fuel tank has to be drained, do this outdoors.

up in the discharge area. This can prevent proper discharge

and result in kickback of material through the feed opening.

7. Do not attempt to shred or chip material larger than

specified on the machine or in this manual. Personal injury

or machine damage could result.

8. Never attempt to unclog either the feed intake or discharge

opening while the engine is running. Shut the engine off,

wait until all moving parts have stopped, disconnect the

spark plug wire and ground it against the engine before

clearing debris.

9. Never operate without the shredder hopper, chipper chute,

or chute deflector properly attached to the machine. Never

empty or change discharge bag while the engine is running.

10. Keep all guards, deflectors and safety devices in place and

operating properly.

11. Keep your face and body back and to the side of the chipper

chute while feeding material into the machine to avoid

accidental kickback injuries.

10. Observe proper disposal laws and regulations for gas, oil,

etc. to protect the environment.

This symbol points

out important safety

instructions, which if

not followed, could

endanger the personal

safety and/or property

of yourself and others.

Read and follow all

instructions in this man-

ual before attempting to

operate this machine.

Failure to comply with

these instructions may

result in personal injury.

When you see this

Do not modify engine

To avoid serious injury or death, do not modify engine in any

way.Tampering with the governor setting can lead to a runaway

engine and cause it to operate at unsafe speeds. Never tamper

with factory setting of engine governor.

Notice regarding Emissions

Engines which are certiﬁed to comply with California and federal

EPA emission regulations for SORE (Small Off Road Equipment)

are certiﬁed to operate on regular unleaded gasoline, and may

include the following emission control systems: Engine Modiﬁca-

tion (EM) and Three Way Catalyst (TWC) if so equipped.

Your Responsibility

Restrict the use of this power machine to persons who read, un-

derstand and follow the warnings and instructions in this manual

and on the machine.

12. Never operate this machine without good visibility or light.

13. Do not operate this machine on a paved, gravel or non-level

surface.

symbol.

HEED IT’S WARNING!

14. Do not operate this machine while under the influence of

alcohol or drugs.

15. Muffler and engine become hot and can cause a burn. Do

not touch.

16. Never pick up or carry machine while the engine is running.

Your Responsibility

Restrict the use

of this power machine

to persons who read,

understand

and follow the warnings

and instructions

in this manual

and on the machine.

IMPORTANT: This unit is shipped without gasoline or oil

in the engine. Be certain to service engine with gasoline

and oil as instructed in the separate engine manual

before operating your machine.

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Loose Parts In Carton

a. Debris Collection Bag

b. Tow Bar

Setting Up

Your Chipper

Shredder

c. Safety Glasses

d. Engine Oil

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Lowering The Chipper Chute

(Model 24A-424G766 Only)

1. For shipping reasons, the unit is crated with its chipper

chute in a raised position. To pivot it downward,

proceed as follows:

a. Pull the spring latch upward.

b. Gently pivot the chipper chute down until it clicks

into the lock rod. See Figure 1.

WARNING

Figure 1

WARNING: Never operate the chipper

shredder with the chipper chute in the

raised position. Doing so may result in

property damage or serious injury to

the operator or bystanders.

Never operate the

chipper shredder with

the chipper chute in the

raised position. Doing

so may result in prop-

erty damage or serious

injury to the operator

or bystanders.

Attaching The Debris

Collection Bag

2. To attach the bag:

a. Place the opening of the bag completely over the

chute deflector.

b. Position the bag so that the wing knobs which

secure the chute deflector to the impeller housing

are completely covered.

IMPORTANT

This unit is shipped

without gasoline or

oil in the engine. Be

certain to service

engine with gasoline

and oil as instructed

in the separate engine

manual before operat-

ing your machine.

c. Pull on the drawstrap until the bag is tight around

chute deflector opening. See Figure 2.

Figure 2

Attaching The Tow Bar

3. To attach the tow bar:

a. Remove the spring pin and clevis pin from the end

of the tongue. See Figure 3.

b. Insert the tongue into the base.

c. Reinsert the clevis pin through aligning holes in

both the tongue and the base. Fasten with the

spring pin to secure. See Figure 3.

NOTE: All references in

this manual to the left

or right side of the chip-

per shredder is from

the operating position

only. Exceptions, if any,

will be specified.

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Figure 3

KnowYour Chipper Shredder

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Setting Up

Your Chipper

Shredder

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WARNING

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Never operate the

chipper shredder with

the chipper chute in the

raised position. Use the

spring latch to lower

the chipper chute into

the operating position

before starting the

engine.

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Model 24A-424G766 Shown

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Figure 4

Now that you have set up your chipper shredder for

operation, get aquainted with its controls and fea-

tures. These are described below and illustrated on

this page. This knowledge will allow you to use your

new equipment to its fullest potential.

WARNING: Never operate the chipper

shredder with the chipper chute in the

raised position. Use the spring latch

to lower the chipper chute into the

operating position before starting the

engine.

IMPORTANT

Never place branches

with a diameter greater

than 1/2-inch in the

hopper. Doing so

Chipper Chute

Lock Rod

Branches up to 3” in diameter may be fed into the

chipper chute for chipping. See Figure 4.

The lock rod is located on the chipper chute sup-

port. It is used to release or lock the chipper chute

in a lowered position for operation. See Figure 4.

Hopper

Leaves, twigs and branches up to 1/2-inch in diam-

eter may be placed into the hopper for shredding.

See Figure 4.

Tow Bar

can result in serious

damage to your unit’s

shredder blade, flails or

impeller.

Use the tow bar to tow the chipper shredder behind

a tractor to a job site. See Figure 4.

IMPORTANT: Never place branches with a diameter

greater than 1/2-inch in the hopper. Doing so can result

in serious damage to your unit’s shredder blade, flails or

impeller.

Handle

Use the handle when manually transporting the

chipper shredder. See Figure 4.

Starter Handle

The starter handle is located on the engine. Pull the

starter handle to start engine. See Figure 4.

Spring Latch

Engine Controls

The spring latch is located on the top of the hopper.

It is used to release or lock the chipper chute in a

raised position for storage or for transporting. See

Figure 4.

See the Briggs & Stratton Owner/Operator manual

packed with your unit for the location and function

of the controls on the engine.

WARNING: The operation of any

chipper shredder can result in

foreign objects being thrown into the

eyes, which can damage your eyes

severely. Always wear the safety

glasses provided with this unit or eye

shields before chipping or shredding

and while performing any adjustments

or repairs.

Operating

Your Chipper

Shredder

Gas and Oil Fill-Up

Service the engine with gasoline and oil as instructed in

the separate engine manual packed with your chipper

shredder. Read instructions carefully.

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WARNING: Never fill fuel tank indoors

with engine running or until the engine

has been allowed to cool for at least

two minutes after running.

WARNING

The operation of any

chipper shredder

Figure 5

Starting Engine

1. Attach spark plug wire to spark plug. Make certain

the metal cap on the end of the spark plug is

fastened securely over metal tip on the spark plug.

can result in foreign

objects being thrown.

Always wear the safety

glasses provided with

this unit or eye shields

before chipping or

2. Open fuel shut-off valve ( Model

424).

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3. Move choke control lever to

CHOKE position. See Figure 5.

shredding and while

performing any adjust-

ments or repairs.

NOTE: A warm engine may not require choking.

4. Move throttle control lever to FAST (rabbit) position

(Model 414) or push rocker switch to ON (Model

424). See Figure 5.

Never fill fuel tank

indoors with engine

running or until the

engine has been

allowed to cool for

at least two minutes

after running.

5. Grasp starter handle and pull rope out slowly until

engine reaches start of compression cycle (rope will

pull slightly harder at this point).

NOTE: A “clanking” noise may be heard when pulling

the starter rope. It is completely normal and does NOT

indicate a malfunction of any kind.

Never run the engine

indoors or in a poorly

ventilated area. En-

gine exhaust contains

carbon monoxide, an

odorless and deadly

gas.

Figure 6

6. Pull rope with a rapid, continuous, full arm stroke.

Keep a firm grip on starter handle. Let rope rewind

slowly.

Stopping Engine

1. Move throttle control lever to STOP position (Model

414) or push rocker switch to OFF (Model 424). See

Figure 6.

7. Repeat the previous steps until engine starts. When

engine starts, move choke control gradually to RUN

position until the engine is running smoothly.

NOTE: See your engine manual packed with your unit for

more detailed instructions.

Never stop the engine

by moving the choke

lever into the CHOKE

position. Backfire,

fire or engine damage

could result.

WARNING: Never run the engine

indoors or in a poorly ventilated area.

Engine exhaust contains carbon

monoxide, an odorless and deadly

gas.

CAUTION: Never stop the engine by

moving the choke lever into the CHOKE

position. Backfire, fire or engine damage

could result.

Operating The Chipper Shredder

Shredding

Yard waste such as leaves and pine needles can be

placed in the hopper for shredding. After material has

been processed by the shredder blade and flails, it will be

forced out of the chute deflector, and, if attached, into a

debris collection bag.

Observe the following guidelines when shredding yard

debris:

1. Never attempt to shred material other than normal

yard debris (leaves, twigs, pine cones, etc.).

Operating

Your Chipper

Shredder

2. Avoid shredding fibrous plants such as tomato vines

until they are thoroughly dried out. Fresh vines do not

shred well and tend to wrap themselves around the

impeller and flails.

3. Place reasonable amounts of debris into the hopper at

a time. Do not overload the hopper.

Figure 7

4. Allow the material in the hopper to be drawn into

the blades and shredded before adding additional

debris to the hopper. Failure to due so may result in a

clogged hopper, clogged chute deflector or a stalled

engine.

Chipping

WARNING

WARNING: Never operate the chip-

per shredder without chipper chute

lowered into the operating position.

Never operate the chip-

per shredder without

chipper chute lowered

into the operating

position.

5. Avoid placing twigs longer than 24 inches into the

hopper. Twigs longer than 24 inches may result in a

clogged hopper.

Branches up to 3” in diameter can be fed into the

chipper chute. Observe the following guidelines when

chipping branches:

1. Keep both hands firmly on the branch as you feed it

into the chipper chute.

6. Never place branches with a diameter greater than

1/2-inch in the hopper. Doing so can result in serious

damage to the unit’s shredder blade, flails or impeller.

2. Never feed more than one branch into the chipper

chute at a time.

Clearing the Hopper

Should the hopper become clogged with debris during

operation, proceed as follows:

IMPORTANT

3. Never feed anything other than branches (or wood)

into the chipper chute.

Never place branches

with a diameter greater

than 1/2-inch in the hop-

per. Doing so can result

in serious damage to your

unit’s shredder blade,

flails or impeller.

1. Grasp the handle with both hands and gently agitate

the chipper shredder to help loosen debris, drawing it

into the impeller.

4. Apply intermittent pressure (force, in short pulses)

while feeding larger (2- 3-inch diameter) branches

into the chipper chute, to avoid bogging or stalling

the engine.

If the clog does not clear, proceed as follows:

1. Stop engine.

2. Use your hands to remove any debris found near the

top of the hopper.

IMPORTANT: Never feed branches with a diameter

greater than three (3) inches into the chipper chute.

Doing so can result in serious damage to your unit’s

chipper blades, flails or impeller.

3. Use a branch (or other available device, i.e. broom-

stick) to dislodge debris located toward the base of the

hopper.

IMPORTANT

Never feed branches with

a diameter greater than

three (3) inches into the

chipper chute. Doing so

can result in serious dam-

age to your unit’s chipper

blades, flails or impeller.

NOTE: For best performance, always operate the

unit with sharp chipper blades. If a noticeable loss in

performance is encountered while chipping branches,

the chipper blades should be replaced.

4. Restart engine.

NOTE: If you’re unable to pull the starter rope as a

result of accumulated debris near the impeller, follow

instructions under the heading Cleaning the Reduction

Chamber in the “Maintaining Your Chipper Shredder”

section of this manual.

Emptying the Debris Collection Bag

1. Stop engine.

2. Squeeze the locking buckle release the bag’s

drawstrap before loosening it from the chute deflec-

tor. See Figure 7.

3. Empty the bag and reattach to the chute deflector

opening. Refer to Figure 2.

under extremely dusty conditions. Replace the air

cleaner cartridge once a season. To service the air

cleaner, refer to the separate engine manual.

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3. The spark plug should be cleaned and the gap reset

once a season. Refer to the separate engine manual

for correct plug type and gap specifications.

Maintaining

Your Chipper

Shredder

Chipper Shredder Care

Before each use, visually inspect your chipper shredder

for loose (or missing) nuts and bolts. Securely tighten

(or replace) all hardware before operating the chipper

shredder.

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Cleaning The Reduction Chamber

WARNING: The impeller’s shredder

blade and chipper blades are sharp.

Wear leather work gloves to protect

your hands when cleaning out the

reduction chamber.

Figure 8

If the reduction chamber becomes clogged with debris,

the shredder screen can be pivoted upward so that you

can clean the surrounding area. To do so, proceed as

follows:

WARNING

1. Stop engine, disconnect spark plug, and make certain

the chipper shredder has come to a complete stop.

Always stop engine,

disconnect spark plug,

and ground against

engine before cleaning,

lubricating or doing any

kind of maintenance on

your machine.

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WARNING: The muffler and surrounding

area will be hot if the engine has been

running. Use caution and protect your

hands if working near the muffler.

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2. a. If attached, remove debris bag. Remove the two

wing knobs on either side of the chute deflector and

pivot the chute deflector upward. See Figure 8.

b. Remove the hairpin clip from the clevis pin which

extends through the housing and shredder screen.

See Figure 8. Remove clevis pin.

c. Pivot the shredder screen upward and clean the

surrounding area by scraping away debris.

3. Confirm that the spark plug wire is disconnected

and away from spark plug. Pull on the starter rope

two-to-three times to purge any remaining debris from

the reduction chamber

�

The impeller’s chip-

per blades are sharp.

Wear leather work

gloves to protect your

hands.

Model 24A-424G766 Shown

Figure 9

WARNING: Always stop engine,

disconnect spark plug, and ground

against engine before cleaning,

lubricating or doing any kind of

maintenance on your machine.

Lubrication

1. Lubricate the chipper chute hinge a with light oil

once a season.

4. When the area is cleaned, pivot the shredder screen

downward and re-secure with the clevis pin and

hairpin clip removed earlier.

2. Lubricate the pivot points on the chute deflector with

light oil once a season.

3. Refer to the Briggs & Stratton Owner/Operator

manual packed with your unit for engine lubrication

instructions.

5. Reattach the debris collection bag to the chute deflec-

tor, if desired.

Sharpening Or Replacing Chipper

Blades

Engine Care

Refer to the Maintenance section of the Briggs &

Stratton Owner/Operator manual packed with your unit.

Read and follow instructions carefully.

1. Check engine oil level before each use as

instructed in the separate engine manual.

WARNING: The impeller’s chipper

blades are sharp. Wear leather work

gloves to protect your hands.

1. Stop engine, disconnect spark plug, and make certain

the chipper shredder has come to a complete stop.

2. Clean air cleaner’s precleaner every 25 hours

under normal conditions. Clean every few hours

2. Pivot the shredder screen upward as instructed under

the heading Cleaning the Reduction Chamber.

3. a. Remove the chipper chute support brace from the

frame by removing the two hex bolts and saddle

washers which secure it. See Figure 9.

b. Remove the chipper chute by removing three hex

nuts and washers which secure it to the impeller

housing. See Figure 9.

• Rotate the impeller by hand until one of the two

chipper blades is visible through the impeller

housing opening.

c. Remove the blade by removing the internal hex

screws, lock washers and hex nuts which secure it

to the impeller. Retain the hardware.

Maintaining

Your Chipper

Shredder

Figure 10

NOTE: Use a 3/16” hex key (Allen) wrench on the outside

of the blade and a 1/2” box (or socket) wrench on the

inside of the impeller. Hold the Allen wrench stationary

and rotate the box (or socket) wrench to loosen the nut.

4. Install a replacement blade (Part No. 742-0544) with

the hardware removed earlier or sharpen.

WARNING

�

IMPORTANT: When sharpening the blade, protect hands

by using gloves. Follow the original angle of grind and

make sure to remove an equal amount from each blade.

5. To replace the other blade, rotate the impeller to

expose the second blade and repeat the steps above.

�

The shredder blade is

sharp. Wear leather

work gloves to

�

protect your hands.

NOTE: Make certain blades are reassembled with the

sharp edge outward (toward the chipper chute). Torque

hardware to between 20 ft.-lbs and 25 ft.-lbs.

Figure 11

NOTE: Use a 3/16” hex key (Allen) wrench on the

outside of the shredder blade and a 1/2” box (or socket)

wrench on the inside of the shredder blade. Hold the

Allen wrench stationary and rotate the box (or socket)

wrench to loosen the nut.

Sharpening Or Replacing The

Shredder Blade

IMPORTANT

Make certain chipper

blades are reassem-

bled with the sharp

edge outward (toward

the chipper chute).

Torque hardware to

between 20 ft.-lbs and

25 ft.-lbs.

WARNING: The shredder blade is sharp.

Wear leather work gloves to protect

your hands.

c. Remove the hex bolt, lock washer, and flat washer

to completely free shredder blade. See Figure 11.

1. Stop engine,disconnect spark plug, and make certain

that all moving parts have come to a complete stop.

IMPORTANT: If sharpening the blade for reuse, follow

the original angle of grind as a guide. Make certain each

cutting edge receives an equal amount of grinding to

prevent an unbalanced blade. Remove metal from the

heavy side until it is balanced evenly.

2. Remove the two flange nuts (and hex bolts) which

secure the hopper support bracket to the impeller

housing. Retain the hardware. See Figure 10.

3. Pivot the shredder screen upward as instructed under

IMPORTANT: When reassembling the blade, tighten

center bolt to between 45 ft.-lbs and 60 ft.-lbs and the

two out bolts to between 20 ft.-lbs and 25 ft.-lbs.

IMPORTANT

the heading Cleaning the Reduction Chamber.

When reassembling the

shredder blade, tighten

center bolt to between

45 ft.-lbs and 60 ft.-lbs

and the two out bolts to

between 20 ft.-lbs and

25 ft.-lbs.

4. a. Remove six flange nuts which secure hopper inlet

guide to impeller housing. See Figure 11.

• Carefully separate the hopper assembly from the

impeller housing and set it aside.

StoringYour Chipper Shredder

1. Clean the equipment thoroughly.

• Insert a piece of wood into the chute deflector

opening to stabilize the impeller and prevent it from

rotating when removing the shredder blade.

b. Remove the two internal hex screws, hex lock nuts,

and lock washers which secure the shredder blade

to the impeller. See Figure 11.

2. Wipe equipment with an oiled rag to prevent rust.

3. Refer to engine manual for correct engine storage

instructions

4. Store unit in a clean, dry area. Do not store next to

corrosive materials such as fertilizer.

Problem

Cause

Remedy

1. Throttle lever not in correct starting

position (if equipped).

1. Move throttle lever to FAST or

START position.

Engine fails to start

2. Spark plug wire disconnected.

2. Connect wire to spark plug.

3. Choke not in CHOKE position (if

equipped).

3. Move choke lever to CHOKE

position.

Trouble

Shooting

4. Fuel tank empty or stale fuel.

4. Fill tank with clean, fresh gasoline.

5. Engine not primed (if equipped).

5. Prime engine as instructed in

Engine Manual.

6. Clean, adjust gap, or replace.

7. Clean fuel line.

6. Faulty spark plug.

7. Blocked fuel line.

8. Engine flooded.

8. Wait a few minutes to restart, but

do not prime.

1. Spark plug wire loose.

1. Connect and tighten spark

plug wire.

Engine runs erratic

2. Unit running on CHOKE (if equipped).

3. Blocked fuel line or stale fuel.

2. Move choke lever to OFF position.

3. Clean fuel line; fill tank with clean,

fresh gasoline.

For repairs beyond

the minor adjustments

listed here, contact

an authorized service

dealer.

4. Vent in gas cap plugged.

5. Water or dirt in fuel system.

4. Clear vent.

5. Drain fuel tank. Refill with

fresh fuel.

6. Dirty air cleaner.

6. Refer to engine manual.

7. Carburetor out of adjustment.

7. See authorized service dealer.

1. Engine oil level low.

1. Fill crankcase with proper oil.

2. Refer to engine manual.

Engine overheats

2. Dirty air cleaner.

3. Carburetor not adjusted properly.

3. See authorized service dealer.

1. Spark plug gap too close.

1. Adjust gap to .030”.

Occasional skips

(hesitates) at

high speed

2. Carburetor idle mixture adjustment

improperly set.

2. See authorized service dealer.

Excessive

Vibration

1. Loose parts or damaged impeller.

1. Chute deflector clogged.

1. See authorized service dealer.

1. Stop engine immediately and

disconnect spark plug wire. Clean

flail screen and inside of discharge

opening.

Unit does not

discharge

2. Foreign object lodged in impeller.

2. Stop engine and disconnect spark

plug wire. Remove lodged object.

3. Low engine RPM.

1. Low engine RPM.

2. Chipper blade dull.

3. Always run engine at full throttle.

1. Always run engine at full throttle.

Rate of discharge

slows considerably

or composition of

discharged material

changes

2. Replace chipper blade or see your

authorized service dealer.

Models 414 & 424

681-04009 Impeller Assembly Complete

710-1054 Machine Screw, 5/16-24 x 1.0

711-0833B Clevis Pin,.496

Parts List

�

712-0411

715-0166

719-0329

736-0119

Hex Lock Nut, 5/16-24

Spiral Pin,.156 x 1.0

Flail

�

��

Lock Washer, 5/16

�

742-04050 Shredder Blade

�

742-0544

Chipper Blade

Retainer Clip

To order replacement

parts, contact

1-800-520-5520,

1-330-558-7220

or visit

10 781-0735

�

www.troybilt.com.

�

681-0133

Tongue Hitch Mount

�

681-0134A Base Hitch Mount

710-3001

711-0299

711-0835

712-3017

732-0194

736-0133

736-0169

Hex Cap Screw, 3/8-16 x.88

Clevis Pin,.625 x 2.4

Clevis Pin,.50 x 4.62

Hex Nut, 3/8-16

Spring Pin

Flat Washer,.411 x 1.25 x 1.0

Lock Washer, 3/8

Models 414 & 424

��

�

��

�

��

�

��

�

��

�

��

�

��

�

��

�

��

† Model 424 Only

‡ Model 414 Only

��

681-04006† Upper Chipper Chute Assembly

681-04007† Lower Chipper Chute Assembly

710-0106† Hex Cap Screw, 1/4-20 x 1.25

34 681-04002 Outer Flail Housing Assembly

35 710-0157 Hex Cap Screw, 5/16-24 x.75

36 710-0502A Hex Sems Screw, 3/8-16 x 1.25

710-3013

712-3010

712-3027

Hex Cap Screw, 1/4-20 x.5

Hex Nut, 5/16-18

37 710-0825

38 710-3025

39 726-0211

40 736-0119

41 736-0170

42 750-0793

43 681-0048

720-0170

Hex Cap Screw, 1/4-20 x 3.75

Hex Cap Screw, 5/16-18 x.625

U-Nut, 5/16-18

Hex Lock Nut 1/4-20

Parts List

714-0104† Cotter Pin

Lock Washer, 5/16

728-0175† Pop Rivet

Special Lock Washer, 5/16

Hinge Spacer,.265 x.380 x 1.66

Knob Assembly (Incl. ref.# 12 & 61)

Knob Only, 5/16-18

732-0306A† Compression Spring,.531 x 1.75

10 735-0249A† Chute Flap

11 736-0140† Flat Washer

12 736-0242

13 736-0451

Bell Washer.340 ID x.872 OD

Washer,.320 ID x.93 OD

44 681-0094

45 711-0835

Chute Deflector Assembly

Clevis Pin,.50 x 4.62

14 747-04163† Lock Rod

46 714-0149B Internal Cotter Pin

47 719-04070 Shredder Screen

To order replacement

parts, contact

1-800-520-5520,

1-330-558-7220

or visit

15 749-1004† Chipper Chute Support

16 781-04032† Chipper Chute Hinge

17 781-0633† Chute Flap Strip

18 681-04011 Shredder Hopper Assembly

48 726-0214

49 734-1845

50 736-0366

51 738-0813

Push Cap, 5/8

Wheel, 10 x 4 x 4

Flat Washer,.625 x 1.0

Axle, 22.47”

19 710-0809

20 710-0805

Hex Cap Screw, 1/4-20 x 1.250

Hex Cap Screw, 5/16-18 x 1.50

www.troybilt.com.

52 737-0195‡ Elbow Fitting

53 737-0132† Oil Drain End Cap

54 737-0298† Oil Drain Pipe

21 712-04065† Flange Lock Nut, 3/8-16

22 712-3004A Flange Lock Nut, 5/16-18

23 732-04167† Torsion Spring

55 710-1254

56 736-0217

57 736-0247

Hex Cap Screw, 3/8-24 x 2.2

24 736-0182† Spring Washer,.50 x 1.0 x.022

25 736-0326† Flat Washer,.50 x 1.0 x.0125

26 738-0430† Shoulder Screw, 3/8-16,.50 x.685

27 749-04103 Hopper Handle

Lock Washer, 3/8

Flat Washer,.406 x 1.25

58 681-04009 Impeller Assembly

(See page 13 for Impeller Parts)

Flat Washer,.28 x.74 x.063

60 726-0233† Push Nut,.25ID x.50OD

61 726-0201 Speed Nut,.3125ID

28 749-04104 Tube Support

59 736-0173

29 781-04007 Shredder Plate

30 781-04027 Hopper Support Bracket

31 781-04033 Inlet Guide

62 681-0095‡ Chipper Chute

32 681-0117

Inner Flail Housing Assembly

— 664-04023 Debris Collection Bag (Not Shown)

33 681-0183A† Frame Assembly

681-0184A‡ Frame Assembly

— 723-0400

Safety Glasses

† Model 424 Only

‡ Model 414 Only

MANUFACTURER’S LIMITED WARRANTY FOR

The limited warranty set forth below is given by Troy-Bilt LLC with respect

deck adjustments, and normal deterioration of the exterior finish

to new merchandise purchased and used in the United States and/or its

territories and possessions, and by MTD Products Limited with respect to

new merchandise purchased and used in Canada and/or its territories and

possessions (either entity respectively, “Troy-Bilt”).

due to use or exposure.

Service completed by someone other than an authorized service

dealer.

Troy-Bilt does not extend any warranty for products sold or

exported outside of the United States and/or Canada, and

their respective possessions and territories, except those sold

through Troy-Bilt’s authorized channels of export distribution.

Replacement parts that are not genuine Troy-Bilt parts.

Transportation charges and service calls.

If Products are used commercially. (Troy-Bilt may separately

offer Limited Commercial Warranties on certain select products.

Ask your dealer or retailer for details or contact Troy-Bilt Service

for more information).

“Troy-Bilt” warrants this product (excluding its normal wear parts as

described below) against defects in material and workmanship for a period

of two (2) years commencing on the date of original purchase and will, at

its option, repair or replace, free of charge, any part found to be defective

in materials or workmanship. This limited warranty shall only apply if

this product has been operated and maintained in accordance with the

Operator’s Manual furnished with the product, and has not been subject to

misuse, abuse, commercial use, neglect, accident, improper maintenance,

alteration, vandalism, theft, fire, water, or damage because of other peril

or natural disaster. Damage resulting from the installation or use of any

part, accessory or attachment not approved by Troy-Bilt for use with

the product(s) covered by this manual will void your warranty as to any

resulting damage.

No implied warranty, including any implied warranty of merchant-

ability of fitness for a particular purpose, applies after the applicable

period of express written warranty above as to the parts as identi-

fied. No other express warranty, whether written or oral, except as

mentioned above, given by any person or entity, including a dealer or

retailer, with respect to any product, shall bind Troy-Bilt. During the

period of the warranty, the exclusive remedy is repair or replacement

of the product as set forth above.

Normal wear parts are warranted to be free from defects in material and

workmanship for a period of thirty (30) days from the date of purchase.

Normal wear parts include, but are not limited to items such as: batteries,

belts, blades, blade adapters, grass bags, rider deck wheels, seats, snow

thrower skid shoes, friction wheels, shave plates, auger spiral rubber and

tires.

The provisions as set forth in this warranty provide the sole and

exclusive remedy arising from the sale. Troy-Bilt shall not be liable

for incidental or consequential loss or damage including, without

limitation, expenses incurred for substitute or replacement lawn care

services or for rental expenses to temporarily replace a warranted

product.

HOW TO OBTAIN SERVICE: Warranty service is available, WITH

PROOF OF PURCHASE, through your local authorized service dealer. To

locate the dealer in your area:

In the U.S.A.

Some states do not allow the exclusion or limitation of incidental or

consequential damages, or limitations on how long an implied warranty

lasts, so the above exclusions or limitations may not apply to you.

Check your Yellow Pages, or contact Troy-Bilt LLC at P.O. Box 361131,

Cleveland, Ohio 44136-0019, or call 1-866-840-6483 or 1-330-558-7220,

or log on to our Web site at www.troybilt.com.

In no event shall recovery of any kind be greater than the amount of the

purchase price of the product sold. Alteration of safety features of the

product shall void this warranty. You assume the risk and liability for

loss, damage, or injury to you and your property and/or to others and their

property arising out of the misuse or inability to use the product.

In Canada

Contact MTD Products Limited, Kitchener, ON N2G 4J1, or call 1-800-668-

1238 or log on to our Web site at www.mtdcanada.com.

This limited warranty does not provide coverage in the following cases:

This limited warranty shall not extend to anyone other than the original

purchaser or to the person for whom it was purchased as a gift.

The engine or component parts thereof. These items may

carry a separate manufacturer’s warranty. Refer to applicable

manufacturer’s warranty for terms and conditions.

Log splitter pumps, valves, and cylinders have a separate

one- year warranty.

HOW STATE LAW RELATES TO THIS WARRANTY: This limited war-

ranty gives you specific legal rights, and you may also have other rights

which vary from state to state.

Routine maintenance items such as lubricants, filters, blade

sharpening, tune-ups, brake adjustments, clutch adjustments,

IMPORTANT: Owner must present Original Proof of Purchase to obtain

warranty coverage.

Troy-Bilt LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019; Phone: 1-866-840-6483, 1-330-558-7220

MTD Canada Limited - KITCHENER, ON N2G 4J1; Phone 1-800-668-1238

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