Toro 30431 Operator's Manual
Form No. 3327-396 Rev A
Mid–Size Mower
ProLine Pistol Grip Gear 15 HP with 44 inch
Side Discharge Mower
Model No. 30431—Serial No. 230000001 and Up
Operator ’s Manual
English (EN)
Warning
CALIFORNIA
Proposition 65 Warning
The engine exhaust from this product contains
chemicals known to the State of California to cause
cancer, birth defects, or other reproductive harm.
Important This engine is not equipped with a spark
arrester muffler. It is a violation of California Public
Resource Code Section 4442 to use or operate this engine
on any forest–covered, brush–covered or grass–covered
land. Other states or federal areas may have similar laws.
This spark ignition system complies with Canadian
ICES-002.
Ce système d’allumage par étincelle de véhicule est
conforme à la norme NMB-002 du Canada.
The enclosed Engine Owner’s Manual is supplied for
information regarding The U.S. Environmental
Protection Agency (EPA) and the California Emission
Control Regulation of emission systems, maintenance
and warranty.
Keep this engine Owner’s Manual with your unit.
Should this engine Owner’s Manual become damaged
or illegible, replace immediately. Replacements may be
ordered through the engine manufacturer.
Contents
Page
Introduction 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safe Operating Practices 3. . . . . . . . . . . . . . . . . . . .
Toro Mower Safety 4. . . . . . . . . . . . . . . . . . . . . . . .
Slope Chart 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety and Instruction Decals 9. . . . . . . . . . . . . . . .
Gasoline and Oil 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Gasoline 12. . . . . . . . . . . . . . . . . . . .
Using Stabilizer/Conditioner 12. . . . . . . . . . . . . . . .
Filling the Fuel Tank 12. . . . . . . . . . . . . . . . . . . . . .
Check Engine Oil Level 12. . . . . . . . . . . . . . . . . . . .
Setup 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loose Parts 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing the Handle Assembly 14. . . . . . . . . . . . . .
Installing the Shift Lever Plate and Fuel Tank 14. . .
Adjusting the Shift Lever Plate 15. . . . . . . . . . . . . .
Installing the Control Rods 16. . . . . . . . . . . . . . . . . .
Installing the Hairpin Cotter Pins and Washers 17. .
2004 by The Toro Company
8111 Lyndale Avenue South
Bloomington, MN 55420-1196
Page
Checking the Tire Pressure 17. . . . . . . . . . . . . . . . . .
Operation 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Think Safety First 17. . . . . . . . . . . . . . . . . . . . . . . . .
Controls 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parking Brake and Neutral Lock 18. . . . . . . . . . . . .
Starting and Stopping the Engine 19. . . . . . . . . . . . .
Operating Mower Blade Control (PTO) 19. . . . . . . .
The Safety Interlock System 19. . . . . . . . . . . . . . . .
Driving Forward or Backward 20. . . . . . . . . . . . . . .
Stopping the Machine 20. . . . . . . . . . . . . . . . . . . . . .
Transporting Machines 21. . . . . . . . . . . . . . . . . . . . .
Side Discharge or Mulch Grass 21. . . . . . . . . . . . . .
Adjusting the Height-of-Cut 21. . . . . . . . . . . . . . . . .
Adjusting the Gage Wheels 22. . . . . . . . . . . . . . . . .
Adjusting the Handle Height 22. . . . . . . . . . . . . . . .
Using the Mid–Size Weight Kit 23. . . . . . . . . . . . . .
Maintenance 24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Maintenance Schedule 24. . . . . . . . .
Air Cleaner Service 25. . . . . . . . . . . . . . . . . . . . . . .
Engine Oil Service 26. . . . . . . . . . . . . . . . . . . . . . . .
Spark Plug Service 27. . . . . . . . . . . . . . . . . . . . . . . .
Greasing and Lubrication 28. . . . . . . . . . . . . . . . . . .
Cleaning the Cooling System 29. . . . . . . . . . . . . . . .
Checking the Tire Pressure 29. . . . . . . . . . . . . . . . . .
Fuel Tank Service 30. . . . . . . . . . . . . . . . . . . . . . . . .
Fuel Filter Service 30. . . . . . . . . . . . . . . . . . . . . . . .
Fuse Service 31. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjusting the Electric Clutch 31. . . . . . . . . . . . . . . .
Servicing the Brakes 31. . . . . . . . . . . . . . . . . . . . . . .
Servicing the Cutting Blades 32. . . . . . . . . . . . . . . .
Correcting the Mower Quality of Cut 34. . . . . . . . . .
Frame Set Up 34. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Checking the Deck Front-to-Rear Pitch 36. . . . . . . .
Changing the Deck Front-to-Rear Pitch 36. . . . . . . .
Checking the Deck Side-to-Side Leveling 37. . . . . .
Changing the Side-to-Side Leveling 37. . . . . . . . . .
Matching Height of Cut 37. . . . . . . . . . . . . . . . . . . .
Adjusting the Traction Drive Belt Tension 38. . . . . .
Replacing the Traction Drive Belt 38. . . . . . . . . . . .
Replacing the Transmission Belt 39. . . . . . . . . . . . .
Replacing the Mower Belt 39. . . . . . . . . . . . . . . . . .
Replacing the PTO Drive Belt 40. . . . . . . . . . . . . . .
Replacing the Caster Wheel Fork Bushings 40. . . . .
Caster Wheel and Bearings Service 41. . . . . . . . . . .
Replacing the Grass Deflector 42. . . . . . . . . . . . . . .
Wiring Diagram 43. . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning and Storage 44. . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 44. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The Toro Total Coverage Guarantee 48. . . . . . . . . . . . .
All Rights Reserved
Printed in the USA
2
Introduction
Safety
Read this manual carefully to learn how to operate and
maintain your product properly. The information in this
manual can help you and others avoid injury and product
damage. Although Toro designs and produces safe
products, you are responsible for operating the product
properly and safely.
Whenever you need service, genuine Toro parts, or
additional information, contact an Authorized Service
Dealer or Toro Customer Service and have the model and
serial numbers of your product ready. Figure 1 illustrates
the location of the model and serial numbers on the
product.
1
Figure 1
1. Location of the model and serial numbers
Write the product model and serial numbers in the space
below:
m–6594
Note: The addition of attachments made by other
manufacturers that do not meet American National
Standards Institute certification will cause noncompliance
of this machine.
Improper use or maintenance by the operator or owner
can result in injury. To reduce the potential for injury,
comply with these safety instructions and always pay
attention to the safety alert symbol, which means
CAUTION, WARNING, or DANGER—“personal
safety instruction.” Failure to comply with the
instruction may result in personal injury or death.
Safe Operating Practices
The following instructions are from ANSI standard
B71.4—1999.
Training
• Read the Operator’s Manual and other training material.
If the operator(s) or mechanic(s) can not read English it
is the owner’s responsibility to explain this material to
them.
• Become familiar with the safe operation of the
equipment, operator controls, and safety signs.
• All operators and mechanics should be trained. The
owner is responsible for training the users.
Model No.
Serial No.
This manual identifies potential hazards and has special
safety messages that help you and others avoid personal
injury and even death. Danger, Warning, and Caution are
signal words used to identify the level of hazard. However,
regardless of the hazard, be extremely careful.
Danger signals an extreme hazard that will cause serious
injury or death if you do not follow the recommended
precautions.
Warning signals a hazard that may cause serious injury or
death if you do not follow the recommended precautions.
Caution signals a hazard that may cause minor or moderate
injury if you do not follow the recommended precautions.
This manual uses two other words to highlight information.
Important calls attention to special mechanical
information and Note: emphasizes general information
worthy of special attention.
• Never let children or untrained people operate or
service the equipment. Local regulations may restrict
the age of the operator.
• The owner/user can prevent and is responsible for
accidents or injuries occurring to himself or herself,
other people or property.
Preparation
• Evaluate the terrain to determine what accessories and
attachments are needed to properly and safely perform
the job. Only use accessories and attachments approved
by the manufacturer.
• Wear appropriate clothing including hard hat, safety
glasses and ear protection. Long hair, loose clothing or
jewelry may get tangled in moving parts.
• Inspect the area where the equipment is to be used and
remove all objects such as rocks, toys and wire which
can be thrown by the machine.
• Use extra care when handling gasoline and other fuels.
They are flammable and vapors are explosive.
• Use only an approved container
3
• Never remove gas cap or add fuel with engine
running. Allow engine to cool before refueling.
Do not smoke.
• Never refuel or drain the machine indoors.
• Check that operator’s presence controls, safety switches
and shields are attached and functioning properly. Do
not operate unless they are functioning properly.
Operation
• Never run an engine in an enclosed area.
• Only operate in good light, keeping away from holes
and hidden hazards.
• Be sure all drives are in neutral and parking brake is
engaged before starting engine. Only start engine from
the operator’s position.
• Slow down and use extra care on hillsides. Be sure to
travel side–to–side on hillsides. Turf conditions can
affect the machine’s stability. Use caution while
operating near drop–offs.
• Use care when loading or unloading the machine into or
from a trailer or truck
• Use care when approaching blind corners, shrubs, trees,
or other objects that may obscure vision.
Maintenance and storage
• Disengage drives, set parking brake, stop engine and
remove key or disconnect spark plug wire. Wait for all
movement to stop before adjusting, cleaning or
repairing.
• Clean grass and debris from cutting unit, drives,
mufflers, and engine to help prevent fires. Clean up oil
or fuel spillage.
• Let engine cool before storing and do not store near
flame.
• Shut off fuel while storing or transporting. Do not store
fuel near flames or drain indoors.
• Park machine on level ground. Set parking brake. Never
allow untrained personnel to service machine.
• Slow down and use caution when making turns and
when changing directions on slopes.
• Never raise deck with the blades running.
• Never operate with the PTO shield, or other guards not
securely in place. Be sure all interlocks are attached,
adjusted properly, and functioning properly.
• Never operate with the discharge deflector raised,
removed or altered, unless using a grass catcher.
• Do not change the engine governor setting or overspeed
the engine.
• Stop on level ground, disengage drives, engage parking
brake (if provided), shut off engine before leaving the
operator’s position for any reason including emptying
the catchers or unclogging the chute.
• Stop equipment and inspect blades after striking objects
or if an abnormal vibration occurs. Make necessary
repairs before resuming operations.
• Keep hands and feet away from the cutting unit.
• Look behind and down before backing up to be sure of
a clear path.
• Keep pets and bystanders away.
• Use jack stands to support components when required.
• Carefully release pressure from components with stored
energy.
• Disconnect battery or remove spark plug wire before
making any repairs. Disconnect the negative terminal
first and the positive last. Reconnect positive first and
negative last.
• Use care when checking blades. Wrap the blade(s) or
wear gloves, and use caution when servicing them.
Only replace blades. Never straighten or weld them.
• Keep hands and feet away from moving parts. If
possible, do not make adjustments with the engine
running.
• Charge batteries in an open well ventilated area, away
from spark and flames. Unplug charger before
connecting or disconnecting from battery. Wear
protective clothing and use insulated tools.
• Keep all parts in good working condition and all
hardware tightened. Replace all worn or damaged
decals.
Toro Mower Safety
• Slow down and use caution when making turns and
crossing roads and sidewalks. Stop blades if not
mowing.
• Be aware of the mower discharge direction and do not
point it at anyone.
• Do not operate the mower under the influence of
alcohol or drugs
The following list contains safety information specific
to Toro products and other safety information you
must know.
This product is capable of amputating hands and feet and
throwing objects. Always follow all safety instructions to
avoid serious injury or death.
4
This product is designed for cutting and recycling grass or,
when equipped with a grass bagger, for catching cut grass.
Any use for purposes other than these could prove
dangerous to user and bystanders.
General Operation
• Allow only responsible adults who are familiar with the
instructions to operate the machine.
• Be sure the area is clear of other people before mowing.
Stop the machine if anyone enters the area.
• Do not mow in reverse unless absolutely necessary.
Always look down and behind before and while
backing.
• Be aware of the mower discharge direction and do not
point it at anyone. Do not operate the mower without
either the entire grass catcher or the guard in place.
• Slow down before turning. Sharp turns on any terrain
may cause loss of control.
• Turn off blades when not mowing.
• Keep hands, feet, hair and loose clothing away from
attachment discharge area, underside of mower and any
moving parts while engine is running.
• Stop the engine before removing the grass catcher or
unclogging the chute.
• Mow only in daylight or good artificial light.
• Watch for traffic when operating near or crossing
roadways.
• Do not touch equipment or attachment parts which may
be hot from operation. Allow to cool before attempting
to maintain, adjust or service.
• Use only Toro-approved attachments. Warranty may be
voided if used with unapproved attachments.
• Avoid starting or stopping on a slope. If tires lose
traction, disengage the blades.
• Check carefully for overhead clearances (i.e. branches,
doorways, electrical wires) before driving under any
objects and do not contact them.
• Mow slopes side–to–side.
DO NOT
• Do not mow slopes greater than 15 degrees.
• Avoid turning on slopes. If you must turn, turn slowly
and gradually downhill, if possible.
• Do not mow near drop-offs, ditches, or embankments.
The machine could suddenly turn over if a wheel goes
over the edge of a cliff or ditch, or if an edge caves in.
• Do not mow on wet grass. Reduced traction could cause
sliding.
• Do not use a grass catcher on steep slopes. Heavy grass
bags could cause loss of control of the machine.
• Do not mow up and down slopes.
Service
• Never store the machine or fuel container inside where
there is an open flame, such as near a water heater or
furnace.
• Keep nuts and bolts tight, especially the blade
attachment bolts. Keep equipment in good condition.
• Never tamper with safety devices. Check safety systems
for proper operation before each use.
• Use only genuine replacement parts to ensure that
original standards are maintained.
• Check brake operation frequently. Adjust and service as
required.
Slope Operation
Slopes and ramps are a major factor related to
loss-of-control and accidents, which can result in severe
injury or death. All slopes and ramps require extra caution.
If you feel uneasy on a slope, do not mow it.
DO
• Remove obstacles such as rocks, tree limbs, etc. from
the mowing area. Watch for holes, ruts or bumps. Tall
grass can hide obstacles.
• Use slow speed so that you will not have to stop while
on the slope.
• Use extra care with grass catchers or other attachments.
These can change the stability of the machine.
• Keep all movement on slopes slow and gradual. Do not
make sudden changes in speed or direction.
• Battery acid is poisonous and can cause burns. Avoid
contact with skin, eyes and clothing. Protect your face,
eyes and clothing when working with a battery.
• Battery gases can explode. Keep cigarettes, sparks and
flames away from battery.
• Hydraulic fluid escaping under pressure can penetrate
the skin and cause injury. Use cardboard or paper to
find hydraulic leaks. Never use your hands.
5
6
Slope Chart
7
8
Safety and Instruction Decals
Safety decals and instructions are easily visible to the operator and are located near any area
of potential danger. Replace any decal that is damaged or lost.
43-8480
93-1122
66-1340
67-5360
68-8340
95-2814
98-0776
98-4387
1. Warning—wear hearing protection.
9
104-8186
104-8569
105-4111
106-5532
106-0699
105-4146
106-5511
106-0635
10
106-5496
1. Reverse 2. Neutral 3. Forward speeds
106-5501
1. Choke 2. Fast 3. Continuous variable setting 4. Slow
1. Keep bystanders a safe
distance from the machine.
2. Do not allow bystanders to
be hit by thrown objects.
3. Do not operate the mower
with the deflector up or
removed.
106-5514
4. Stop the engine and pick up
debris before operating.
5. Cutting of hand or foot,
mower.
6. Engine—stop
7. Engine—run
8. Hour meter
9. To park, move the controls
as illustrated.
10. To drive, move the controls
as illustrated.
11
11. To place the machine in
neutral, move the controls as
illustrated.
12. Power take-off (PTO)
Gasoline and Oil
Recommended Gasoline
Use UNLEADED Regular Gasoline suitable for automotive
use (85 pump octane minimum). Leaded regular gasoline
may be used if unleaded regular is not available.
Important Never use methanol, gasoline containing
methanol, or gasohol containing more than 10% ethanol
because the fuel system could be damaged. Do not mix oil
with gasoline.
Danger
In certain conditions, gasoline is extremely
flammable and highly explosive. A fire or
explosion from gasoline can burn you and others
and can damage property.
• Fill the fuel tank outdoors, in an open area,
when the engine is cold. Wipe up any gasoline
that spills.
• Do not fill the fuel tank completely full. Add
gasoline to the fuel tank until the level is 1/4 inch
to 1/2 inch (6 mm to 13 mm) below the bottom
of the filler neck. This empty space in the tank
allows gasoline to expand.
• Never smoke when handling gasoline, and stay
away from an open flame or where gasoline
fumes may be ignited by a spark.
• Store gasoline in an approved container and
keep it out of the reach of children. Never buy
more than a 30-day supply of gasoline.
• Always place gasoline containers on the ground
away from your vehicle before filling.
• Do not fill gasoline containers inside a vehicle or
on a truck or trailer bed because interior
carpets or plastic truck bed liners may insulate
the container and slow the loss of any static
charge.
• When practical, remove gas–powered
equipment from the truck or trailer and refuel
the equipment with its wheels on the ground.
• If this is not possible, then refuel such
equipment on a truck or trailer from a portable
container, rather than from a gasoline dispenser
nozzle.
• If a gasoline dispenser nozzle must be used, keep
the nozzle in contact with the rim of the fuel
tank or container opening at all times until
fueling is complete.
Warning
Gasoline is harmful or fatal if swallowed.
Long–term exposure to vapors can cause serious
injury and illness.
• Avoid prolonged breathing of vapors.
• Keep face away from nozzle and gas tank or
conditioner opening.
• Keep gas away from eyes and skin.
Using Stabilizer/Conditioner
Use a fuel stabilizer/conditioner in the machine to provide
the following benefits:
• Keeps gasoline fresh during storage of 90 days or less.
For longer storage it is recommended that the fuel tank
be drained.
• Cleans the engine while it runs
• Eliminates gum-like varnish buildup in the fuel system,
which causes hard starting
Important Do not use fuel additives containing
methanol or ethanol.
Add the correct amount of gas stabilizer/conditioner to the
gas.
Note: A fuel stabilizer/conditioner is most effective when
mixed with fresh gasoline. To minimize the chance of
varnish deposits in the fuel system, use fuel stabilizer at all
times.
Filling the Fuel Tank
1. Shut the engine off and set the parking brake.
2. Clean around fuel tank cap and remove the cap. Add
unleaded regular gasoline to fuel tank, until the level is
1/4 to 1/2 inch (6 mm to 13 mm) below the bottom of
the filler neck. This space in the tank allows gasoline to
expand. Do not fill the fuel tank completely full.
3. Install fuel tank cap securely. Wipe up any gasoline that
may have spilled.
Check Engine Oil Level
Before you start the engine and use the machine, check the
oil level in the engine crankcase; refer to Checking Oil
Level, page 26.
12
Setup
Note: Determine the left and right sides of the machine
from the normal operating position.
Loose Parts
Note: Use the chart below to verify all parts have been shipped.
Step Description Qty. Use
1
2
3
4
5
Handle assembly
Flanged bolt 3/8 x 1 inch
Flange nut 3/8 inch
Fuel tank with studs installed
Shift lever plate
Bolt, 5/16 x 7/8 inch
Lock washer, 5/16 inch
Washer, 5/16 inch
Spring
Hose clamp
No parts needed Adjusting the shift lever plate
Clevis pin
Washer
Hairpin cotter pin
Hairpin cotter pin 2
1
4
4
1
1
2
2
4
2
1
2
2
2
Installing the handle assembly
Installing shift lever plate and fuel tank
Installing the control rods
Installing the hairpin cotter pins and
washers
6
7
No parts needed Checking the tire pressure
Oil drain hose
Operator’s Manual
Engine Operator’s Manual
Parts Catalog
Registration card
13
1
1
1
1
1
Use for draining engine oil
Read before operating machine
Read before operating machine
Fill out and return to Toro
Step
Step
1
Parts needed for this step:
• 1 Handle assembly
• 4 Flange bolts, 3/8 x 1 inch
• 4 Flange nuts, 3/8 inch
Installing the Handle Assembly
1. Align handle with upper mounting holes in rear frame
(Fig. 2).
2. Secure the handle at each upper mounting hole with a
flange bolt (3/8 x 1 inch) and flange nut (Fig. 2).
3. Select the low position for the lower mounting hole
(Fig. 2).
4. Secure the handle at each lower mounting hole with a
flange bolt (3/8 x 1 inch) and flange nut (Fig. 2).
Note: The handle position can be adjusted to match the
operator’s height preference.
2
Parts needed for this step:
• 1 Fuel tank with studs installed
• 1 Shift lever plate
• 2 Bolts, 5/16 x 7/8 inch
• 2 Lock washers, 5/16 inch
• 2 Flat washers, 5/16 inch
• 2 Springs
• 1 Hose clamp
Installing the Shift Lever Plate
and Fuel Tank
1. Remove the bolts and nuts holding the shift lever plate
to the rear frame. Discard these nuts and bolts.
2. Slide the shift lever plate over the shift lever and under
the bottom of the rear frame (Fig. 3).
1
2
4
5
6
7
8
Figure 2
1. Upper handle
2. Rear frame
3. Flange nut, 3/8 inch
4. Flange bolt, 3/8 x 1 inch
Note: Handle assembly must be installed before fuel tank is
installed.
5. Upper mounting hole
6. Lower mounting holes
7. Low position
8. High position
3
m–6591
3
2
1
m–5221
Figure 3
1. Rear frame
2. Shift lever plate
3. Align fuel tank with the top of the rear frame (Fig. 3).
4. Push the fuel line onto the fuel tank connection and
secure it with the hose clamp that is on the fuel line
(Fig. 5).
Note: To ease assembly of the fuel line to fuel tank
connection, apply a light lubricant, such as WD 40, to the
end of the fuel line.
Note: Make sure the fuel line and clamp are on as shown in
Figure 4.
3. Fuel tank
14
Step
2
3
Figure 4
1. Fuel line
2. Clamp
5. Slide the shift lever plate over the shift lever (Fig. 6).
6. Secure the right side of shift lever plate and fuel tank to
the rear frame (Fig. 5) with 2 bolts (5/16 x 7/8 inch),
lock washers (5/16 inch) and washers (5/16 inch)
(Fig. 5).
7. Secure the left side shift lever plate and fuel tank to the
rear frame (Fig. 5) with washers (5/16 inch), springs
and locknuts (5/16 inch) (Fig. 5).
Note: Tighten left side of shift lever plate until it is
completely tight and then unscrew locknut one full turn.
This will allow the spring to work.
10
3. Fuel tank connection
1
m–6504
5
3
No parts needed for this step.
Adjusting the Shift Lever Plate
1. Shift lever to second gear and check alignment of lever
in slot of shifter lever plate. The clearance between top
and bottom of the shift lever should be equal (Fig. 7).
2. If clearance is not correct, remove lever and bend it
slightly to adjust (Fig. 6).
6
5
4
3
1
2
9
6
3
7
8
1. Bolt, 5/16 x 7/8 inch
2. Lock washers, 5/16 inch
3. Washer, 5/16 inch
4. Fuel line
5. Hose clamp
Figure 5
4
3
2
1
6. Stud
7. Spring
8. Locknut
9. Shift lever plate
10. Fuel tank connection
m–6465
m–5250
Figure 6
1. Shift lever
2. Shift lever plate
3. Rubber seal washer
Note: Do not bend lever while attached to transmission
shaft or damage may occur.
3. Shift lever to neutral and check alignment of lever in
slot of shifter lever plate. The clearance on the sides of
shift lever should be equal (Fig. 7).
4. If clearance is not correct, loosen shift lever plate and
adjust it side–to–side. Tighten the shift lever plate.
Note: Tighten the left side of the shift lever plate until it is
completely tight and then unscrew the locknut one full turn.
This will allow the spring to work.
4. Square hole washer
5. Spring washer
6. Locknut, 3/8 inch
15
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