Walker SB36 User Manual
OWNER’S MANUAL
Safety, Assembly, Operating, and Maintenance Instructions
and ILLUSTRATED PARTS MANUAL
Model SB36 Single-Stage Snowblower
™
Please Read and Save These Instructions Effective Date: 04-01-99
For Safety, Read All Safety and Operation P/N 5600-1
Instructions Prior to Operating Machine Price $5.00
Foreword
Thank you. . .for purchasing a Walker snowblower. Every effort has been made to provide you with
the most reliable product on the market, and we are sure you will be among our many satisfied customers. If for any rea son thi s produ ct d oes no t per fo rm to y our expectations, please contact us a t
(970) 221-5614. Every customer is important to us. Your satisfaction is our goal.
Please. . .read thi s manual thoroughl y! This manual is to be use d in conjunction with the mo wer
owner’s manual and the engine manufacturer's manual for the specific engine on the mower
model you are using. Before you ope rate your new snowblow er, please read this entire manual.
Some of the information is crucial for proper operation and maintenance of this product - it will help
protect your investme nt and ensure that the sno wblower performs to your s atisfaction. Some o f
the information is impor tant to your saf ety and must be read and under stood to help prevent po ssible injury to the operator or others. If anything in this ma nua l i s co nfus i ng o r har d to u nder stand,
please call our service department, at (970) 221-5614, for clarification before operating or servicing this product.
This manual covers the Model SB36 Single-Stage Snowblower.
All shields and guards must be in place for the proper and safe operation of this snowblower.
Where they are shown removed in this manual, it is for illustration purposes only. Do not operate
this product unless all shields and guards are in place.
Specifications given are based on the latest information available at the time this manual was
produced.
Walker Mfg. Co. is continuall y str iv ing to improve the desi gn and per formance of its products. We
reserve the right t o m ake chan ges i n sp ecifi catio ns and desi gn wi thout th ereby i ncur ring an y obl igation relative to previously manufactured products.
Sincerely,
WALKER MANUFACTURING COMPANY
Bob Walker, President
Table of Contents
Owner’s Manual
General Information________________ 1
HIGHLIGHTED INFORMATION _____________ 1
GLOSSARY ____________________________ 1
IDENTIFYING NUMBER LOCATIONS________ 1
SERVICING OF DRIVETRAIN GEARBOX ____ 2
UNIT DESCRIPTION _____________________ 2
Specifications _______________________ 3
GROUND CLEARANCE IN RAISED POSITION_3
DIMENSIONS ___________________________ 3
BLOWER SPOUT________________________ 3
AUGER DIMENSIONS ____________________ 3
WEIGHT _______________________________ 3
DRIVE SYSTEM _________________________ 3
SCRAPER______________________________ 3
TRACTOR COUNTERWEIGHT _____________ 3
Component Identification___________ 4 Safety Instructions __________________ 6
Operator’s Notes___________________ 20 Maintenance Instructions__________ 21
MAINTENANCE SCHEDULE CHART_______ 21
LUBRICATION _________________________ 22
Grease Fitting and Oil Point Lubrication__ 22
PTO U-Joint _________________________ 22
Gearbox Lubrication __________________ 22
Drive Chain Lubrication _______________ 23
REPLACING/REPAIRING ________________ 26
Gearbox Replacement_________________ 26
Drive Chain__________________________ 27
Sprockets ___________________________ 28
Drive Shaft Sprocket Replacement ______ 28
Auger Sprocket Replacement __________ 29
Scraper Blade _______________________ 31
Flexible Coupling Spider ______________ 31
U-Joint Shear Pin_____________________ 31
ADJUSTMENTS________________________ 31
Drive Chain Tension __________________ 31
Gauge Wheels or Skid Shoes___________ 32
Removal and Storage Instructions_33
BEFORE OPERATING____________________ 6
OPERATING ____________________________ 7
MAINTENANCE _________________________ 8
SAFETY, CONTROL,
AND INSTRUCTION DECALS ______________ 9
Assembly Instructions _____________ 10
SETUP AND INSTALLATION______________ 10
PREOPERATING CHECKLIST ____________ 14
Operating Instructions_____________ 15
CONTROL IDENTIFICATION, LOCATION,
AND FUNCTION________________________ 15
Tra ctor Controls______________________ 15
Lift Handle___________________________ 15
Foot Trigger _________________________ 16
Spout Position Control Handle__________ 16
Deflector Position Control Handle _______ 16
STARTING THE MACHINE _______________ 16
ENGAGING THE SNOWBLOWER _________ 16
STOPPING THE MACHINE _______________ 17
RECOMMENDATIONS FOR SNOWBLOWING_18
REMOVING SNOW______________________ 18
Throw Snow to One Side_______________ 18
Throw Snow to Both Sides _____________ 19
CLOGGING CHECKLIST_________________ 19
REMOVAL ____________________________ 33
END OF SEASON STORAGE _____________ 33
Illustrated Parts Manual
MAIN BODY COMPONENTS______________ 34
AUGER AND DRIVETRAIN COMPONENTS _36
KEY TO ABBREVIATIONS
USED IN ILLUSTRATED PARTS LIST ______ 38
Warranty___________________________ 39
General Information
HIGHLIGHTED INFORMATION
Walker Manufacturing recommends that any service requiring special training or tools be performed
by an authorized Walker Mower Dealer. There are
several general practices to be aware of in the area
of safety. Most accidents associated with the operation or maintenance of a Walker product are
caused by disregardi ng bas ic saf ety pr ecautio ns or
specific warnings. Such accidents, in most cases,
can be prevented by being aware of the dangers
present.
Information of special importance has been highlighted in bold type in this man ual. Refer to Safety
Instructions for the mean ing s of DANGE R, WARNING, CAUTION, IMPORTANT, and NOTE.
GLOSSARY
There are many ter ms th at ar e ei ther uni que to th is
equipment or that ar e used as acronyms. T he following terms and their defin iti ons wil l help whi le using this manual.
• FORW ARD SPEED CONTROL (FSC) controls
the maximum forward speed of the tractor; functioning as a cruise control.
IDENTIFYING NUMBER LOCATIONS
The snowblower serial number is stamped on the
right side of the frame betwe en the mounting tube
and the foot trigger.
Model and serial numbe rs are helpf ul when obtaining replacement parts and maintenance assistance.
For ready reference, please record these numbers
in the space provided.
Snowblower Model No. ___________________
Snowblower Serial No. ___________________
Date of Purchase ________________________
Fill In By Purchaser
SB36
• LEFT HAND (LH) refers to the left-hand side of
the tractor when the opera tor is seated facing
forward in the tractor seat.
• MACHINE consists of the snowblower installed
on the tractor, functioning as a single unit.
• POWER TAKE-OFF (PTO) transmits engine
power to run the snowblower.
• RIGHT HAND (RH) refers to the right-hand side
of the tractor when the operator is seated facing
forward in the tractor seat.
• TRACTOR is the prime mover, including the en-
gine, drivetrain, o perator seat, and contr ols to
operate the snowblower.
Serial Number
Snowblower Serial Number Location
(Top View)
1
General Information
SERVICING OF DRIVETRAIN GEARBOX
Detailed servicing and repair of the gearbox used on
the snowblower drivetrain is not covered in this manual. Only routine maintenance and general service
instructions are provided. For the service of the gearbox during the limited warranty period, it is important
to find a local, authorized servicing agent of the component manufacturer. Any unauthorized work
done on this component during the warranty period
may void the warranty. If you have any difficulty
finding an authorized outlet or obtaining warranty
service, please contact our Service Department for
assistance:
Walker Manufacturing Company
5925 E. Harmony Road
Fort Collins, CO 80528
1-970-221-5614
A service manual is available for the gearbox from:
Tecumseh Products Co.
900 North Street
Grafton, Wl 53024
UNIT DESCRIPTION
The SB36 is a 36-inch (91.4 cm), single-stage snowblower that attaches to any of the Walker tractor s.
The SB36 throws snow up to 20 ft (6 m). It is raised
and lowered manually with a lever and a foot trigger.
The blower spout is controlled with a simple position
control handle. The SB36 is powered by the tractor
PTO through the PTO shaft, right angle gearbox and
chain final drive to auger. Tire chains and a soft cab
are available as optional equipment.
2
Specifications
MODEL SB36
GROUND CLEARANCE IN RAISED POSITION 4-1/2 in. (11 cm) DIMENSIONS
Height 38 in. (97 cm)
Width 40-1/2 in. (103 cm)
Length (Excluding PTO Shaft) 32-3/4 in. (83 cm)
Overall Length Installed on Tractor (Model MC/MS) 89 in. (226 cm)
BLOWER SPOUT 6 in. (15 cm) Spout Position Adjustment 180° (Side-to-Side)
AUGER DIMENSIONS
Diameter 16 in. (41 cm )
Blade Depth 3-1/2 in. (9 cm)
Flighting Thickness 13 gauge (2 mm)
WEIGHT 185 lb (84 kg) DRIVE SYSTEM
Gearbox Peerless Right Angle
Final Drive #40 Roller Chain
Maximum Auger Speed 825 RPM
Maximum PTO Speed 2900 RPM
SCRAPER
Scraper Blade 1/8 in. (3 mm) Hardened Steel
Blade, Replaceable
Scraper Height Adjustable Steel Gauge Wheels
or Optional Skid Shoes
TRACTOR COUNTERWEIGHT 80 lb (36 kg) on Rear
NOTE: The manufacturer reserves the right to make changes in specifications shown herein at any time
without notice or obligation.
3
Component Identification
NOTE: Control Identification shown in
Operating Instructions section
and in Illustrated Parts Manual.
Deflector
Snowblower
Housing
Removable Chain
Guard Cover
Footrest
Spout Position
Control Handle
Spout
Removable Cover
(PTO and Lift Mechanism)
Foot Trigger
Lift
Handle
Footrest
Wheel Guard
Wheel Guard
Mounting
Tube Socket
Lift Chain
Counterweight
Spring
4
PTO Shaft
Rear View (Not Installed)
Counterweight
Spring
Mounting
Tube Socket
Lift Chain
Component Identification
Lift Handle Pivot Grease Fittings
Flexible Coupling
Auger Drive
Chain
Gauge
Wheel
Counterweight
Spring Hook Tab
Foot Trigger Piv ot
Right Angle Gearbox
Counterweight
Spring Hook Tab
Gauge
Scraper BladeAuger
Wheel
Bottom View (Not Installed)
5
Safety Instructions
Pay particular attentio n to any information labeled
DANGER, WARNING, CAUTION, IMPORTANT,
and NOTE in this manual.
When you see the Safety Alert Symbol ( ),
read, understand, and follow the instr uctions. Failure to comply with safety instructions may result in
personal injury.
The seriousness or degree of imp ortance of each
type of information is defined as follows:
DANGER
An IMMEDIATE hazard that WILL result in
severe personal injury or DEATH, if warning is ignored and proper safety precautions are not taken.
WARNING
A POTENTIAL hazard that COULD result in
severe personal injury or DEATH, if warning is ignored and proper safety precautions are not taken.
Walker Manufacturing cannot predict every potentially dangerous situation. Therefore, items labeled
as such in this manual do not cover all conceivable
situations. Any person using procedur es, tools, or
control techniques not recommended by Walker
Manufacturing must take full responsibility for safety.
The Walker Tractor and Snowblower attachment
have been designed wi th many safety features to
protect the operator from personal harm or injury.
However, it is necessary for the operator to use safe
operating procedures at all times. Failure to follow
safety instructions contained in this manual
may result in personal injury or damage to
equipment or property.
If you have any questions concerning setup, operation, maintenance, or safety, please contact your
authorized Walker Mower Dealer or call Walker
Manufacturing Company at (970) 221-5614.
BEFORE OPERATING
1. Read and understand the contents of this
OWNER'S MANUAL before operating the
snowblower. Become thoroughly famili ar with
all controls and how to stop the machine and
disengage the controls quickly. Replacement
Owner's Manuals are avai lable by sending the
Model and Serial Number to:
CAUTION
Possible hazards or unsafe practices that
MAY result in MODERATE personal injury
or property damage, or machine damage, if
warning is ignored and proper safe ty precautions are not taken.
IMPORTANT: Identifies mechanical information de-
manding special attention, since it deals with the possibility of damaging a part or parts of the machine.
NOTE: Identifi es information worthy of special attention.
Walker Manufacturing Company
5925 East Harmony Road
Fort Collins, CO 80528
2. Never allow children to operate or give rides
on the machine. Do not allow adults to ope rate without prop er instruction.
3. Do not allow anyone other than the operator on
the machine.
4. Ke ep e very on e, espec i all y chi ld ren an d pets, a
safe distance away from the area being cleaned.
Do not blow snow with bystanders in the area.
5. Do not ope rate the ma chine wearing sneakers,
tennis shoes, or similar lightweight footwear.
Wear substantial protective footwear that will
improve footing on slippery surfaces.
6. The snow can sometimes h ide objects tha t might
clog the chute, or otherwise cause damage.
Clear the area of doormats, sleds, boards, wires
and other debris.
6
Safety Instructions
7. Do not wear loose fitting clothing that could
get caught in moving parts. Always wear ade-
quate protective clothing including long pants.
Wearing safety glasses, safety shoes, and a
helmet is advisable and required by some local
ordinances and insurance regulations.
8. Prolonged exposure to loud noise can cause
impairment or loss of he aring. Oper ator hear-
ing protection is recommended. Wear a suitable hearing pro tective devi ce, such as e armuffs
or earplugs.
9. Keep all protecti ve sh ields an d saf ety devic -
es in place. If a protective shield, safety device,
or decal is da maged, unusabl e, or missing, re pair or replace it before operating the machine.
10. Be sure any interlock switches are function-
ing correctly so th e engine canno t be started
unless the Forward Speed Control lever is in
the NEUTRAL position and the PTO clutch is in
the DISENGAGED posit ion. Als o, the engine
should stop if the operator lifts off the seat wit h
the PTO clutch in the ENGAGED position.
11. Never attempt to make any adjustments
while the engine is running, except where specifically instructed to do so.
12. Handle gasoline or diesel fuel with care.
Gasoline is highly flammable and its vapors are
explosive:
a. Use an approved fuel container.
b. Never add fuel to a run ning engine or ho t
engine (allow hot engine to cool several
minutes).
OPERATING
NOTE: Refer to the Walker Rider Lawnmowers
OWNER’S MANUAL for safety instructions for
operating the tractor.
1. Operate the mac hine only in dayl ight or in good
artificial light with good visibility of areas being
cleaned.
2. Sit on the seat when starting the engine and operating the ma chine. Keep feet on footrests at all
times when the tractor is moving and/or the auger is operating.
3. An inexpe rienced opera tor should learn to steer
(maneuver) the tractor with a slow engine
speed before attempting any snowblowing.
Be aware that, with the front mounted snowblower configurati on, the b ack of t he machin e swings
to the outside during turns.
4. Remember, for an emergen cy st op, th e forwar d
motion of the tractor can always be stopped by
pulling the Forward Speed Control (FSC) into
the NEUTRAL-PARK position.
5. Disengage the PTO clutch and put the FSC in
the NEUTRAL-PARK position before starting
the engine (an ig nition inter lock swi tch norm ally
prevents starting of the tr actor if these controls
are in the OPERATING position).
6. Do not run the engine in a confined area with-
out adequate ventilation. Exhaust fumes are
hazardous and can be deadly.
7. Do not carry passengers - maximum seating
capacity is one (1) person.
c. Keep matches, cigarettes, cigars, pipes,
open flames, or sparks away from the fuel
tank and fuel container.
d. Always fill the fuel tank outdoors using
care. Fill to about one inch from the top of
the tank. Use a funnel or spout to preven t
spilling.
e. Replace the machine fuel cap and container
cap securely a nd clean up any spi lled fuel
before starting the engine.
8. Make sure the aug er is cle ar of sno w or ice be fore engaging th e P TO clutch.
9. Be careful never to throw snow to wards people
or cars, and never al low anyone in front of the
snowblower.
10. Watch out for hazards hidden under snow.
11. Avoid sudden start s or stop s. Before backing
the machine up, look to the rear to be sure no
one is behind the machine . Watch carefully for
traffic wh en cr oss ing or w ork i ng ne ar ro ad wa ys.
12. Disengage the PT O clutch w hen transport ing the
machine.
7
Safety Instructions
13. Do not clear snow across the face of slopes.
Use extreme caution when chang ing direction
on slopes. Do not attempt to clear steep slopes.
14. Never adjust gauge wheels or skid shoes
with the engine running. Before adjusting
height or se rvicing, disengage the PTO clu tch,
stop the engine, and remove the ignition key.
Wait for all movement to stop before getting off
the seat.
NOTE: The PTO brake should normally stop
drive line rotation within 5 seconds of disengaging the PTO clutch.
15. Do not operate the snowbl ower with the blower
spout assembly rem oved.
16. If snowblower clogs:
a. Disengage the PTO clutch, stop the en-
gine, and remove the ignition key before
leaving the seat.
b. LOOK to make sure PTO shaft and auger
movement has stopped before trying to unclog the snowblower.
MAINTENANCE
NOTE: Refer to the Walker Rider Lawnmowers
OWNER’S MANUAL for proper tractor maintenance procedures.
1. To prevent accidental starting of the engine
when servicing or adjusting the machine, remove the key from the ignition switch and disconnect the fuel solenoid wire [diesel engines] or
the spark plug wi re(s) [gas engines].
2. To reduce fire hazards, keep the engine free of
grass, leaves, exc essi ve g rea se , an d di rt .
3. Keep all nuts, bolts, and sc rew s tight to e nsure
the machine is in a safe, working condition.
4. Perform only maintenance instructions described in this manual. Unauthorized mainte-
nance operations or machine modifications may
result in unsafe operating conditions.
5. If the engine must be running to perform a maintenance adjustment, keep hands, feet, and
clothing away from moving parts. Do not
wear jewelry or loose clothing.
c. Disconnect the fuel solenoid wire [diesel
engines] or spark plug wire(s) [gas engines].
d. Do not use hands or feet to unclog the
snowblower - use a stick or similar tool.
17. If the auger strikes a solid object or the machine
begins to vibrate abnormally, immediately dis-
engage the PTO clutch, stop the engine, and
wait for all moving parts to stop. Disconnect
the fuel solenoid wire [diesel engines] or the
spark plug wire(s) [gas engines] to prevent accidental starting. Thoroughly inspect the snowblower and repair any da mage befo re restarti ng
the engine and operating the machine. Make
sure auger blades are in good condition and all
bolts are tigh t.
18. Do not touch the engine or muffler while the
engine is running or immediately after stopping
the engine. These areas may be hot enough to
cause serious burns.
19. When leaving the machine unattended, disengage the PTO clutc h, stop the engine, and remove the ignition key.
6. Always use proper engine service manuals
when working on the engine. Unauthorized
maintenance operations or modifications to the
engine may result in unsafe operating conditions.
7. Altering the mach ine in any manner which ad versely affects its operation, performance, durability, or use will VOID the wa rranty and may
cause hazardous cond it ions.
8. Never attempt to disconnect any safety devices
or defeat the pur p ose of th ese safet y d evi ces.
9. Do not chan ge th e engin e governo r setting s or
overspeed the engine. The governor has been
factory-set for ma ximum-safe engine operating
speed.
10. Use genuine factory replacement parts. Substitute parts may result in product malfunction
and possible in jury to the o perator and/or othe rs.
IMPORTANT: Keep all applicable manuals
immediately accessible to anyone who may
operate or service this machine.
8
Safety Instructions
SAFETY, CONTROL, AND INSTRUCTION DECALS
Safety, Control, and Instruction Decals are installed on the machine;
If any are missing, illegible, or damaged, a replacement should be ordered and installed before
putting the machi ne into operation. The Decal Par t Number is listed below and in the Parts Manual.
Two Places: Housing, Top LH Side (5685-1)
Blower Spout Deflector (5685-1)
Housing, Top RH Side (5685-2)
9
Assembly Instructions
SETUP AND INSTALLATION
1. Remove the mower deck from the tractor if
necessary. Refer to the appropriate Tractor
Owner’s Manual.
2. Attach each of the lift brackets to the predrilled
holes on the front chassis cross bar with a
5/16-18 x 1 in. bolt and a Whiz locknut. The
locknuts should be on the front sides of the
lift brackets. Refer to Lift Bracket Installation illustration. The RH bracket is attached us-
ing the existing battery pan mount bolt on
newer models. On ea rlier models, obtain the
5/16-18 x 1 in. bolt and nut locall y to attach th e
RH bracket.
5 in.
(127 mm)
Drill Two 5/16 in.
(8 mm) Holes
NOTE: Predrilled holes exist only on Walker
tractors built after 1984. For earlier mo dels, drill
two 5/16 in. (8 mm) holes in the front chassis
cross bar at the positions indicated in the Lift
Bracket Installation illustration.
IMPORTANT: For all 1980 to 1984 tractors,
remove the battery before drilling the RH
hole. Reinstall the battery after the lift brackets
have been installed. Refer to the appropriate
Tractor Owner’s Manual for battery remova l and
installation procedures.
3/4 in. (19 mm)
5 in.
(127 mm)
Tractor Front
Chassis Cross Bar
Whiz Locknut Lift Bracket
On Newer Models, Use Battery Pan
Mounting Bolt to Attach RH Bracket
5/16-18 x 1 in. Bolt
Lift Bracket Installation
10
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