John Deere OMGX10742-J9 OPERATOR’S MANUAL
J9
Snowblower for Lawn Tractors
42-Inch
OPERATOR’S MANUAL
OMGX10742 J9
North American Version
Litho in U.S.A.
INTRODUCTION
Introduction
Thank You for Purchasing a John Deere Product
We appreciate your business and wish you many years of
safe and satisfied use of your machine.
Using Your Operator’s Manual
This manual is an important part of your machine and
should remain with the machine when you sell it.
Reading your operator’s manual will help you and others
avoid personal injury or damage to the machine.
Information given in this manual will provide the operator
with the safest and most effective use of the machine.
Knowing how to operate this machine safely and correctly
will allow you to train others who may operate t his machine.
Sections in your operator’s manual are placed in a specific
order to help you understand all the safety messages and
learn the controls so you can operate this machine safely.
You can also use this manual to answer any specific
operating or servicing questions. A convenient index
located at the end of this book will help you to find needed
information quickly.
The machine shown in this manual may differ slightly from
your machine, but will be similar enough to help you
understand our instructions.
cCAUTION: Avoid injury!
This symbol and text highlight potential
hazards or death to the operator or bystanders
that may occur if the hazards or procedures are
ignored.
IMPORTANT: Avoiddamage!Thistextisusedtotell
the operator of actions or conditions that might
result in damage to the machine.
NOTE: General information is given throughout the
manual that may help the operator in the operation or
serviceofthemachine.
RIGHT-HAND and LEFT-HAND sides are determined by
facing in the direction the machine will travel when going
forward. When you see a broken line arrow (------>), the
item referred to is hidden from view.
Special Messages
Your manual contains special messages to bring attention
to potential safety concer ns, machine damage as well as
helpful operating and servicing information. Please read all
the information carefully to avoid injury and machine
damage.
Introduction
PRODUCT IDENTIFICATION
Product Identification
Record Identification Numbers
42-Inch Snowblower
Serial No. (010001-)
If you need to contact an Authorized Service Center for
information on servicing, always provide the product model
and serial number.
You will need to locate the model and serial number for the
machine and fortheengineofyour machine and record the
information in the spaces provided below.
A
DATE OF PURCHASE:
_________________________________________
DEALER NAME:
_________________________________________
DEALER PHONE:
_________________________________________
PRODUCT IDENTIFICATION NUMBER (A):
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __
Product Identification
TABLEOFCONTENTS
Tableof Contents
Contents
Safety...........................................................................................1
Assembly........................................................................................4
PreparingVehicle..................................................................................8
Installing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Removing.......................................................................................14
Operating.......................................................................................16
ReplacementParts................................................................................22
Service ........................................................................................23
Troubleshooting ..................................................................................27
Storage.........................................................................................28
Index...........................................................................................29
All information, illustrations and
specifications in this manualare based
on the latest information at the time of
publication. The right is reserved to
make changes at any time without
notice.
COPYRIGHT© 1999
Deere & Co.
John Deere Worldwide Commercial and
Consumer Equipment Division
Horicon, WI
All rights reserved
Table of Contents
OMGX10742 J9 - English
SAFETY
Safety
Understanding The Machine Safety Labels
The machine safety labels shown in this section are placed
in impor tant areas on your machine to draw attention to
potential safety hazards.
On your machine safety labels, the words DANGER,
WARNING, and CAUTION are used with this safety-alert
symbol, (
hazards.
The operator’s manual also explains any potential safety
hazards whenever necessary in special safety messages
that are identified with the word, CAUTION, and the safetyalert symbol, (
c). DANGER identifies the most serious
c).
WARNING
Picture Note: Decal located on pulley cover of
snowblower housing.
• Stop machine to adjust and oil.
• Keep all shields in place.
• If unit becomes clogged, shut off engine before
cleaning.
• Keep hands, feet and clothing away from power-driven
parts.
• Make sure your tractor is equipped with rear weights.
DANGER
Picture Note: One decal located on chute spout
and two on top surface of snowblower housing.
To avoid injury
• Shut off engine and wait for all movement to stop before
unclogging snow deflector.
• Keep hands, feet and clothing away from rotating auger.
Operate Safely
• Read the Tractor and Snowblower Operator’s Manual
carefully. Be thoroughly familiar with the controls and the
proper use of the equipment. Know how to stop the tractor
and disengage the controls quickly.
• Check vehiclebrake action beforeyou operate. Adjust or
service brakes as necessary.
• Inspect machine before you operate. Be sure hardware
is tight. Repair or replace damaged badly worn, or missing
parts. Be sure guards and shields are in good condition
and fastened in place. Make any necessary adjustments
Safety - 1
SAFETY
before you operate.
• Clear work area of objects that might be thrown. Keep
people and pets out of the work area. Keep children
indoors when blowing s now. Turn the machine off if anyone
enters the area.
• If you hit an object, stop the machine and inspect it.
Make repairs before you operate. Keep machine properly
maintained and in good working order.
• DO NOT leave machine unattended when it is running.
• Only operate during daylight or with good artificial light.
• Drive up and down-not across slopes.
• DO NOT operate near edge of ditch or bank. Avoid
holes, rocks, and roots. Be alert for hidden hazards.
• Older adults are involved in a large percentage of riding
mower accidents involving injury. These operators should
evaluate their ability to operate a mower and a snowblower
safely enough to protect the operator and others from
serious injury.
Parking Safely
1. Stop machine on a level surface, not on a slope.
2. Disengage mower blades.
3. Lower attachments to the ground.
4. Lock the park brake.
5. Stop the engine.
6. Remove the key.
7. Wait for engine and all moving parts to stop before you
leave the operator’s seat.
• Look carefully behind tractor before you back up.
• DO NOT let anyone, especially children, ride on
machine or attachment. Riders are subjectto injury such as
being struck by foreign objects and being thrown off. Riders
may also obstruct the operator’s view, resulting in the
machine being operated in an u nsafe manner.
• Do not wear radio or music headphones while operating
the machine. Safe operation requires your full attention.
• DO NOT let children or an untrained person operate
machine.
• Be alert for traffic when crossing or wor king near
roadways.
• Be alert. DO NOT operate snowblower when you are
tired or ill or under the influence of drugs or alcohol.
• Keep clear of the discharge opening at all times.
• DO NOT operate tractor at high speeds. Operate
snowblowerat full throttle and a safe, slow travel speed.
• Do not throw snow toward bystanders, buildings, or
automobiles.
• Throw snow downwind, if possible.
• Clean snowblower after you use it.
• Be extremely careful if you must clear snow from a
gravel surface.
Wear Appropriate Clothing
• Always wear safety glasses or eye shields during
operation to protect eyes from foreign objects that may be
thrown from the machine.
• Wear adequate winter outer garments and footwear that
will improve footing on slippery surfaces.
• Wear close fitting clothing and safety equipment
appropriate for the job.
• Loud noise can cause impairment or loss of hearing,
wearasuitableprotectivedevicesuchasearplugs.
• Operate slowly and carefully on slopes and in sharp
turns.
Safety - 2
SAFETY
Avoid Injury from Moving Parts
• Keep hands, feet and clothing away from snowblower
and discharge chute when auger is turning.
• Stop auger when you are not throwing snow.
• Stop vehicle engine before you unplug, repair, or adjust
snowblower.
Avoid Injury from Hitting Obstructions
Practice Safe Maintenance
• Understand service procedure before doing work. Keep
area clean and dry.
• Never lubricate, service, or adjust machine while it is
moving. Keep safety devices in place and in working
condition. Keep hardware tight.
• Keep hands, feet, clothing, jewelry, and long hair away
from any moving parts, to prevent them from getting
caught.
• Lower attachments to the ground before servicing
machine. Disengage all power and stop the engine. Lock
park brake and remove the key. Let machine cool.
• Securely support any machine elements that must be
raised for serv ice work.
• Raise snowblower when you drive between jobs.
• Slow down when you remove snow. Be cautious on
slopes, when you make turns or when close to buildings or
trees.
• Never run engine unless park brake is locked.
• Keep all parts in good condition and properly installed.
Fix damage immediately. Replace worn or broken parts.
Remove any buildup of grease, oil, or debris.
• Disconnect battery negative (-) cable before making
adjustments on electrical systems or welding on machine.
• Do not modify machine. Unauthorized modifications
may impair its function and safety.
• Do not wear radio or music headphones while servicing
the machine. Safe ser vice requires your full attention.
Safety - 3
ASSEMBLY
Assembly
Identify Parts
C
E
BoxofParts
A
B
A
C
B
D
M95927
Qty Description Size
1 (A) Front Axle Bracket
3 (B) Anchor Stacks
1 (C) Adjustable Control Rod
Anchor
D
2 (D) Spacer Shims
1 V-Belt, Upper
F
G
2 Lift Assist Springs
2 Chain and Toggle Assembly
H
I
J
K
A - Snowblower Assembly
B - Mounting Frame Assembly
C - Discharge Chute Assembly
D - Clutch Link Rod
E - Lift Handle
F - Chute Control Support Rod
G - Chute Control Rod
H - Left-Hand Mounting Angle
I - Right-Hand Mounting Angle
J - Lift Spring Anchor Bracket
K-BoxofParts
M95926
2 Tail Reflectors
2 Clevis Pins
1 Handle Grip
2 Hair Cotter Pins 2-7/8 Lg
4 Hair Cotter Pins 1-5/8 Lg
1 CotterPin 1/8x11/4
2 Hex Nuts 1/2-13
6 Hex Head Bolts 5/16-18 x 1 3/4
2 Hex Head Bolts 3/8-16 x 1
2 Hex Head Bolts 1/2-13 x 2
9 Hex Nylock Nuts 5/16-18
4 Hex Nylock Nuts 3/18-16
2 Hex Lock N uts 1/2-13
2 Hex Head Bolts 3/8-16 x 1 1/4
2 Hex Jam Nuts 7/16-14
3 Carriage Bolts 5/16-18 x 3/4
Assembly - 4
Assembling Snowblower
ASSEMBLY
I
E
F
E
B
F
A
C
D
C
C
1. Raise the rear of the snowblower and slide the lift
handle (A) under the channel bracket (B).
2. Place spacer shims (C) inside the rear of the mounting
channel with the short end toward the front of the
snowblower and align holes.
3. Slide mounting frame (D) inside channel bracket.
4. Check that holes in spacer shims are aligned with holes
in lower frame bar.
5. Insert 5/16 x 1 3/4-Inch bolts (E), one on each side,
through vertical hole of the lower mounting frame bar,
spacer shim, and channel bracket and secure with 5/16Inch Nylock nuts. Do not tighten at this time.
6. Insert 5/16 x 1 3/4-Inch bolts (F), two on each side,
through horizontal holes of channel bracket and lower
frame bar and secure with 5/16-Inch Nylock nuts. Tighten
nuts.
7. Tighten nuts on vertical bolts.
8. Raise the rear of the snowblower and remove the lift
handle from under it.
Picture Note: Underside of mounting frame shown
to illustrate correct routing of lower V-belt.
9. Install lower V-beltaround mounting bracket idlers and
pulley (I) as shown.
IMPORTANT: Avoid damage! Route upper V-belt
INSIDEthreebeltguides.Routingbeltincorrectly
can cause belt damage.
J
M
K
L
K
K
10.Install upper V-belt (J) to idlers as shown.
11.Check belt routing. Make sure upper V-belt is routed
INSIDE two belt guides (K) and belt guide (L).
12.Check position of belt guide (L).
• Tractors with V-Twin engines and 46-Inch mower
deck: Belt guide (L) should remain in outer hole as
shown.
• All other tractors: Move belt guide (L) to inner hole
(M).
Assembly - 5
ASSEMBLY
Assemble Discharge Chute to Auger Housing
A
M95940
1. Loosen 3/8-Inch nut and lock washer (A) that holds
chute control cable assembly to the auger housing and
move cable down away from anchor mounts.
G
B
D
stack anchors.
NOTE: Make sure top strand coming off chute control
cable assembly goes around front of discharge chute.
9. Move the chute control cable (H) u p from the stack of
the auger housing onto the bottom of the discharge chute.
A
D
K
J
C
E
F
H
M95939
2. Insert 5/16 x 3/4-Inch carriage bolt (B) through one of
the holes in the stack (C) of the auger housing (D) with the
head of the bolt to the inside of the stack.
3. Place one stack anchor (E) onto the bolt.
4. Install 5/16-18 Nylock hex nut (F) finger tight onto bolt.
5. Install, finger tight, two other carriage bolts, stack
anchors, and Nylock nuts to the remaining two holes of the
stack.
6. Lubricate the outside of the auger housing stack (C) and
the inside of the discharge chute (G) with WD-40 or an
equivalent.
I
M95940
10.Place both loops (I) of the chute control cable over the 1/
4-Inch hex bolt and flat washer (J) on the right hand side of
the discharge chute.
11.While keeping tight pressure to the left on the chute
control cable assembly (K), remove cable tie from the
cable,slide the chute control cable assembly to the left until
cable is taut and retighten 3/8-Inch nut and lock washer (A)
assembly to secure chute control cable assembly.
M
L
M95941
7. Install discharge chute onto the stack of the auger
housing with the discharge opening facing forward.
8. Place hook of stackanchors overthe lip of the discharge
chute, push stack anchors up, pull out to seat square of
carriage bolt in hole and tighten Nylock nut at all three
Assembly - 6
12.To obtain optimum clearance and chute rotation
proceed as follows:
• Make sure discharge chute is lubricated. (See
Lubricating Discharge Chute in Service section.)
ASSEMBLY
• If rotation difficulty continues use a screwdriver to pry
out carefully on all three of the chute clips to obtain a 1/
16 to 1/8-Inch gap between base (L) and chute clips (M)
or until chute rotates freely.
Assembly - 7
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