Toro 30526 Operator's Manual
Mid-Size Mower
ProLine Hydro 15 hp with 48
Side Discharge Mower
Model No. 30526—Serial No. 230000001 and Up
Form No. 3328-357
Operator’s Manual
English (EN)
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 mower.
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 5. . . . . . . . . . . . . . . . . . . . . . . .
Slope Chart 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety and Instruction Decals 9. . . . . . . . . . . . . . . . .
Gasoline and Oil 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Gasoline 12. . . . . . . . . . . . . . . . . . . . .
Using Fuel Stabilizer/Conditioner 12. . . . . . . . . . . . .
Filling the Fuel Tank 12. . . . . . . . . . . . . . . . . . . . . . .
Checking the Engine Oil Level 12. . . . . . . . . . . . . . .
Setup 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loose Parts 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing the Front Casters 14. . . . . . . . . . . . . . . . . .
Installing the Upper Handle 14. . . . . . . . . . . . . . . . . .
Connecting the Throttle Cable 14. . . . . . . . . . . . . . . .
Installing the Blade Control (PTO) Rod 15. . . . . . . .
Installing the Control Rods 15. . . . . . . . . . . . . . . . . .
Installing the Control Arm Rods 16. . . . . . . . . . . . . .
Installing the Speed Control Rod 16. . . . . . . . . . . . . .
Installing the Fuel Tank 17. . . . . . . . . . . . . . . . . . . . .
Installing the Muffler 17. . . . . . . . . . . . . . . . . . . . . . .
2002 by The Toro Company
8111 Lyndale Avenue South
Bloomington, MN 55420-1196
Page
Setting up the Hydro Linkage 17. . . . . . . . . . . . . . . .
Checking the Hydraulic Fluid 18. . . . . . . . . . . . . . . .
Operation 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Think Safety First 19. . . . . . . . . . . . . . . . . . . . . . . . . .
Controls 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Starting and Stopping the Engine 20. . . . . . . . . . . . . .
Operating Neutral Locks 20. . . . . . . . . . . . . . . . . . . .
Operating Mower Blade Control (PTO) 21. . . . . . . .
The Safety Interlock System 21. . . . . . . . . . . . . . . . .
Driving the Machine Forward or Backward 22. . . . .
Bringing Machine to Neutral Position 22. . . . . . . . . .
Stopping the Machine 22. . . . . . . . . . . . . . . . . . . . . .
Pushing the Machine by Hand 23. . . . . . . . . . . . . . . .
Transporting Machines 23. . . . . . . . . . . . . . . . . . . . . .
Using the Side Discharge or Mulching Grass 23. . . .
Adjusting the Height-of-Cut 23. . . . . . . . . . . . . . . . .
Adjusting the Caster Position 24. . . . . . . . . . . . . . . . .
Height-of-Cut Chart 25. . . . . . . . . . . . . . . . . . . . . . . .
Maintenance 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Maintenance Schedule 26. . . . . . . . .
Servicing the Cutting Blades 27. . . . . . . . . . . . . . . . .
Servicing the Air Cleaner 29. . . . . . . . . . . . . . . . . . . .
Servicing the Engine Oil 30. . . . . . . . . . . . . . . . . . . .
Servicing the Spark Plugs 31. . . . . . . . . . . . . . . . . . .
Checking the Tire Pressure 32. . . . . . . . . . . . . . . . . .
Cleaning the Cooling System 32. . . . . . . . . . . . . . . . .
Greasing and Lubricating the Machine 32. . . . . . . . .
Cleaning the Cooling System 33. . . . . . . . . . . . . . . . .
Draining the Fuel Tank 33. . . . . . . . . . . . . . . . . . . . . .
Servicing the Fuel Filter 34. . . . . . . . . . . . . . . . . . . . .
Servicing the Hydraulic System 34. . . . . . . . . . . . . . .
Performing the Hydro Linkage Adjustments 35. . . . .
Adjusting the Speed Control Linkage 35. . . . . . . . . .
Adjusting the Neutral Control Linkages 36. . . . . . . .
Adjusting the Hydro Control Linkages 37. . . . . . . . .
Adjusting the Control Rod 39. . . . . . . . . . . . . . . . . . .
Tracking the Adjustment 39. . . . . . . . . . . . . . . . . . . .
Adjusting the Spring Anchor Links 40. . . . . . . . . . . .
Checking the Belts 40. . . . . . . . . . . . . . . . . . . . . . . . .
Replacing the Mower Belt 40. . . . . . . . . . . . . . . . . . .
Adjusting the Mower Belt Tension 41. . . . . . . . . . . .
Adjusting the Blade Brake 42. . . . . . . . . . . . . . . . . . .
Replacing the Grass Deflector 42. . . . . . . . . . . . . . . .
Wiring Diagram 43. . . . . . . . . . . . . . . . . . . . . . . . . . .
Hydraulic Diagram 44. . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning and Storage 45. . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 46. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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:
This machine meets or exceeds the B71.4 1999
specifications of the American National Standards
Institute, in effect at time of production.
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
CAUTION, WARNING, or DANGER—“personal
safety instruction.” Failure to comply with the
instruction may result in personal injury or death.
symbol, which means
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.
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.
• All operators and mechanics should be trained. The
owner is responsible for training the users.
• 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 hearing 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.
3
• Use extra care when handling gasoline and other fuels.
They are flammable and vapors are explosive.
• Use only an approved container
• 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.
• Be sure of your footing while using this machine,
especially when backing up. Walk, don’t run. Never
operate on wet grass. Reduced footing could cause
slipping.
• 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.
• 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.
• 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.
• Remove spark plug wire before making any repairs.
• 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.
• Keep all parts in good working condition and all
hardware tightened. Replace all worn or damaged
decals.
4
Toro Mower Safety
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.
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
DO
• Remove obstacles such as rocks, tree limbs, etc. from
the mowing area. Watch for holes, ruts or bumps. Tall
grass can hide obstacles.
• 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.
• 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.
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.
• 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.
• 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.
1-430005
54-9220
1-523552
66-1340
67-5360
1. Hot surface
63-8440
9
1. Read the
cutting blade
2. Push forward to engage
3. Pull back to disengage
Operator’s Manual
95-2814
95-5537
for instructions on operating the
1. Engine
1. Fast
2. Continuous variable
setting
99-3943
106-2733
3. Slow
98-0776
98-5130
1. Warning—read the
torquing the blade bolt/nut to 75-80 ft.-lb.(102-106 N⋅m).
Operator’s Manual
for instructions on
105-4109
105-4110
106-2743
10
1. Forward
2. Neutral
3. Reverse
4. Engine—stop
5. Engine—run
106-2738
6. Warning—wear hearing
protection.
7. Fast
8. Continuous variable setting
9. Slow
10. Neutral
11
Gasoline and Oil
Warning
Recommended Gasoline
Use unleaded regular gasoline suitable for automotive use
(85 pump octane minimum). Use leaded regular gasoline 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.
• Never fill the fuel tank inside an enclosed trailer.
• Do not fill the fuel tank completely full. Add
gasoline to the fuel tank until the level is 1/4 to
1/2 in. (6 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
and 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.
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 Fuel
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, drain the fuel tank.)
• 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. Disengage the PTO, turn the ignition key to off, and
remove the key.
2. Wait for all moving parts to stop before leaving the
operating position and then chock or block tires.
3. Clean around the fuel tank cap and remove the cap. Add
unleaded regular gasoline to the 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.
4. Install the fuel tank cap securely. Wipe up any spilled
gasoline.
Checking the Engine Oil Level
Before you start the engine and use the machine, check the
oil level in the engine crankcase; refer to Checking the
Engine Oil Level, page 30.
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.
DESCRIPTION QTY. USE
Caster assemblies
Bolt, 3/8 x 3/4 in.
Flange nut, 3/8 in.
Upper handle
Flanged bolt, 3/8 x 1 in.
Flanged nut, 3/8 in.
Spring washer
Wire tie
Hairpin cotter 1 Installing the blade control rod
Clevis pin
Hairpin cotter
Washer
Hairpin cotter
Clevis pin
Hairpin cotter
Fuel tank
Bolt, 5/16 x 3/4 in.
2
8
8
1
4
4
4
4
2
2
2
2
1
2
1
2
Installing the front casters
Installing the upper handle and wire harness
Installing the control rods
Installing the drive linkage
Installing the speed control rod
Lock washer, 5/16 in.
Locknut
Washer, 5/16 in.
Stud
Spring
Operator’s Manual
Engine Operator’s Manual
Parts Catalog
Video
Registration card 1 Fill out and return to Toro
2
2
4
2
2
1
1
1
1
13
Installing the fuel tank
Review before operating machine
Installing the Front Casters
1. Align the casters with the holes on the top and front of
the mower, and insert 8 bolts (3/8 x 3/4 in.) through the
mower. Secure the caster with 8 flange nuts (3/8 in.)
below the mower (Fig. 2).
3
2
m–3777
Figure 2
1. Front caster
2. Bolt
Note: Tighten the lower bolts first to pull the caster
against the front, then tighten the top bolts.
3. Flange nut
2. Secure each leg of the upper handle to the rear frame
and bracket with two flange bolts (3/8 x 1 in. (26 mm),
spring washers and flange nuts (Fig. 3). Tighten until
spring washers are compressed.
3. Route the wire harness along the inside of the left
handle and under the control panel (Fig. 18).
4. Connect the right-angled insulated terminals to the
switch (Fig. 4).
1
1
2
3
4
m–5906
Figure 4
1. Switch
2. Right-angled insulated
terminals
3. Key switch
4. Terminal
2. Torque the bolts to 30–35 ft.-lb. (40–47 Nm).
Installing the Upper Handle
1. Align the holes in upper handle with the mounting holes
in the rear frame and bracket (Fig. 3).
5
2
1
4
3
m–5969
Figure 3
1. Upper handle
2. Rear frame bracket
3. Flange bolt (26 mm)
Important Install the flange bolts with the bolt head on
the outside of the upper handle. Refer to figure 3.
4. Spring washer
5. Flange nut
5. Connect the terminal to the key switch (Fig. 4).
6. Use the wire ties to secure the wire harness to the inside
of the left handle, away from the blade control (PTO)
rod (Fig. 18). Secure at bottom and top of handle.
Connecting the Throttle Cable
1. Route the throttle cable along the right side of the upper
handle, under the fuel tank support, and to the left of the
engine.
2. Position the throttle control (Fig. 18) 1/4 in. (6 mm)
from the upper end of the slot.
3. Attach the inner wire of the throttle cable to the top hole
in the throttle control lever as shown in Figure 5.
m–5939
1. Top hole in the throttle
control lever
2. Inner wire of throttle cable
Figure 5
1
2
3. Cable clamp
4. Cable clamp screw
4
3
14
4. Loosen the cable clamp and insert the cable behind it
(Fig. 5).
5. Pull on the cable and move the throttle control to the
Fast position. Tighten clamp screw.
Installing the Blade Control
(PTO) Rod
1. From outer side of bell crank, insert end of blade
control (PTO) rod thru hole (Fig. 6).
1
6
2
3
4
5
7
1
3
2
m–5997
Figure 6
1. Blade control (PTO) rod
2. Bell crank
3. Hairpin cotter
2. Secure the blade control (PTO) rod to the bell crank
with a hairpin cotter (Fig. 6).
Installing the Control Rods
1. Install the control rod to the drive lever and neutral lock
with a clevis pin and washer (Fig. 7). Washer to be
positioned between drive lever and neutral lock.
m–5998
Figure 7
1. Left handle shown
2. Neutral lock
3. Clevis pin
4. Drive lever
5. Control rod
6. Operator Presence
Control lever (OPC)
7. Hairpin cotter
4. Thread rod fittings equal distance onto each control rod.
For a starting point, thread rod fittings onto control rod
approximately 2–1/2 in. (63.5 mm) from the bottom
(Fig. 8).
5. Install rod fittings to idler brackets with clevis pins and
e–ring (Fig. 8).
2
1
4
3
2. Install a hairpin cotter between drive lever and washer
and into clevis pin (Fig. 7).
Note: Make sure the clevis pin is inserted into the neutral
lock.
3. Repeat this procedure for the opposite side.
1. Control rod
2. Idler bracket
3. Rod fitting
15
5
Figure 8
m–5400
4. E–ring
5. 2–1/2 in. (63.5 mm) from
bottom
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