Bush-whacker St-6010 User manual

540 RPM

ST-6010 AND ST-7210 MOWERS

OPERATIOR’S MANUAL AND PARTS BOOK

5 AND 6 FOOT ROTARY CUTTERS

2010 ST-6010 & ST-7210

Welcome

Thank you for selecting the Bush-Whacker ST-6010 or ST-7210 Rotary Mower.

Your machine has been carefully inspected by both the factory and the dealership

prior to being received by you to ensure that it is ready for operation.

This manual explains the proper operation of your machine. It is very important

that you read and understand these instructions before operating or maintaining

the machine. Failure to do so could result in personal injury or even death to you

or passersby. Consult your Bush-Whacker dealership if you do not understand the

instructions in this manual or need additional information.

Hall Manufacturing, Inc. reserves the right to make changes at any time without

notice or obligation. Additional copies of the manuals are available from your lo-

cal Bush-Whacker dealer.

Hall Manufacturing, Inc.

3706 E. Washington Ave., P.O. Box Drawer 5638

North Little Rock, AR 72119

(501)945-7550

2010 ST-6010 & ST-7210

Table of Contents

Introductory Page ………………………………………………………...…………..2

Safety Section ….…………………………………………………………………….4-10

General Safety Instructions and Warnings…………………………………...4

Decals Placement…………………..…………………………………………5

Operations…………………………………………………………………….6-7

Attaching/Detaching Cutter…………………………………………………..8

Rollover……………………………………………………………………….8-9

Rotating Blades……………………………………………………………….9

Hydraulics…………………………………………………………………….10

Maintenance...………………………………………………………………………...11-15

General Maintenance………………………………………………………….11

At Least Twice Daily………………………………………………………….11-12

Daily…………………………………………………………………………...12-13

Every 1,000 Hours or Annually. .……………………………………………..13

Gearbox Disassembly and Assembly………………………………………………….14-15

Parts book………………………………………………………………………………17-54

Lift Type……………………………………………………………………….18-33

Pull Type……………………………………………………………………….34-53

Miscellaneous…………………………………………………………………..53-54

Warranty Information................................................................................... ................55-56

Warranty Registration Card…………………………………………………………...57

2010 ST-6010 & ST-7210

Attention

Important Safety Information

Read and Study this safety information BEFORE operating this

equipment.

The use of common sense and reasonable safety precautions are a must in the operation

of this equipment. Think Safety – Accident prevention is dependant upon the personnel

involved in the operation, transport, and maintenance of the equipment. To minimize the

chance of accidents, serious injury, or even death; Safety Precautions Must Be Fol-

lowed! FAILURE TO FOLLOW SAFETY INSTRUCTIONS AND FAILURE TO

USE COMMON SENSE COULD RESULT IN SERIOUS INJURY AND/OR

DEATH TO THE OPERATOR, BYSTANDERS, PASSERSBY, OR ANIMALS IN

THE AREA.

General Safety Instructions and Warnings

Safety Decals Information

• Always keep the area around safety decals clean and free of debris so that they can be easily

seen and read.

• When installing new components to the equipment, it is necessary to obtain new safety de-

cals from your Bush-Whacker dealer and adhere them promptly and properly.

• Always keep safety decals clean, using soap and water. Do not use abrasive cleaners be-

cause they could cause damage to the decals.

• If the safety signs get damaged, or are missing, contact your local Bush-Whacker dealer to

order replacements for them.

• In order to replace the safety decals, the equipment must be clean and dry. Then remove the

adhesive backing and place it on the equipment.

2010 ST-6010 & ST-7210

Decals Part Numbers and Placement

4415

4168

4416

2569

4169 FOR 540 RPM

4170 FOR 1000 RPM

2572

2010 ST-6010 & ST-7210

NEVER operate a rotary mower with a person or animal in the

area. The blades may throw objects for great distances and can

strike a person, passersby, or animal causing serious injury or

death.

Safety Warnings

Stop operation of the machine for a passerby or if someone appears to be approaching the area.

Objects can be thrown for hundreds of yards at great speed.

ALWAYS inspect the deflector shields and/or chain guards daily to ensure

that they are in proper working order and that no chains are missing. If the

deflector shields or chain guards are not operating correctly, chain links are

missing, or the complete deflector shields or chain guards assembly is

missing, do not operate the mower. NEVER OPERATE THE MOWER

WITHOUT CHAIN GUARDS OR DEFLECTORS IN PROPER

WORKING ORDER.

Operations

Rocks, gravel, wire, rope, bricks, or similar objects are potential hazards for

rotary mowers operation. These items can cause damage to the machine; but

more importantly, they can be ejected from underneath the mower at very high

speeds, resulting in property damage, injury or even death. Always inspect the

mowing area prior to the operation of any rotary mower. If any of these objects

or similar objects are found, remove them immediately before operation.

NEVER operate the mower without the driveline safety shields in place and in

proper working order. Operation without safety shields can lead to injury or

death.

EXTREMELY IMPORTANT—Make sure all gearbox shields are in place and tightened be-

fore operating the mower. If one works loose, stop mowing and tighten immediately. NEVER

OPERATE THE MOWER WITHOUT ALL GEARBOX SHIELDS PROPERLY IN-

STALLED. OPERATION WITHOUT SAFETY SHIELDS MAY CAUSE SERIOUS IN-

JURY OR DEATH.

This mower can be ordered from the factory as either a 540 or 1000 RPM machine. Al-

ways make sure that the tractor and mower have the same PTO speed. Check the tractor

manufacture’s instruction manual for the proper engine RPM to achieve the proper PTO

speed. DO NOT operate the mower at any higher RPM, doing so will cause damage to the

mower as well as create an extreme hazard to the operator, passersby, or animals. Also

note that doing so will void the warranty of the machine.

2010 ST-6010 & ST-7210

Safety Warnings

Operations

Always inspect the area before mowing for potential mower hazards.

Remove or avoid all foreign objects such as wire, cable, metal objects, and

all other foreign material. Failure to do so could result in serious injury

to the operator or passerby from foreign material being thrown from

the mower.

Thoroughly examine the rotary mower each day before operating. Tighten

loose bolts, nuts, and hydraulic fittings. Replace all damaged or broken parts,

including hydraulic hoses. If rotary mowers are not kept in proper working

order, they could be damaged and this could result in serious injury.

NEVER engage in repair work under the mower deck or any other

part of the mower that is raised off the ground until the mower is

safely and securely supported in the raised position. Inadequate

support can result in the mower falling, which could result in seri-

ous injury or death.

Use proper signage around working area. This will help the operator

have a safe place to work, and help passers by to take appropriate

precautions.

Use the proper reflective devices on the equipment to help prevent

accidents.

Make sure that all rules of the road are followed, and Slow Moving

Vehicle (SMV) rules are also observed

NEVER ALLOW ANYONE TO RIDE ON THE

MOWER OR THE TRACTOR. This equipment, if not operated

properly, could be potentially dangerous; therefore, NEVER ALLOW

A CHILD TO OPERATE A ROTARY MOWER.

Avoid hitting hard solid objects such as large rocks, concrete culverts, guard rails,

etc. This could cause serious damage to the machine. Broken machine parts or

pieces of the object can be thrown at very high speeds. This could result in serious

injury or death to persons at a considerable distance from the rotary mower.

2010 ST-6010 & ST-7210

Safety Warnings

Attaching/Detaching Cutter

NEVER WORK ON THE ROTARY MOWER WITH

THE POWER ON.

Care must be taken when operating on uneven terrain, ditches, or em-

bankments. The chances of the tractor and/or mower rolling over are in-

creased. Also, the chance of objects being thrown by the blade are in-

creased when operating under these adverse conditions.

Rollover

Before approaching any rotary mower or before dismounting the tractor,

always make sure of the following:

The tractor transmission is in the parking gear, and the parking brake is set

to keep the tractor from moving while unattended.

The tractor PTO is disengaged.

The engine has stopped, the key is out of the ignition, and all moving parts

(both tractor and mower) have completely stopped. The rotating parts of

the tractor and rotary may mower continue to rotate after the PTO has been

disengaged.

THE OPERATOR SHOULD REMAIN SEATED UNTIL ALL

MOVEMENT HAS CEASED!

Never use equipment around railroad tracks without direct railway supervision.

Inexperience in railway operations may cause loss of communications, loss of

signals, rail and tie damage or derailment.

NEVER cross railway tracks anywhere other than at normal traffic crossings.

Unauthorized machinery on railways are in extreme danger of being struck by

locomotives and railway machinery resulting in damaged equipment, serious

injury or death.

If operating along roadway, keep equipment within the lane closest to the

work area. Never operate equipment against the flow of traffic, which

could possibly result in a head-on collision causing serious injury or death.

2010 ST-6010 & ST-7210

OPERATE CAREFULLY! It is important to slow down when

turning and when going down slopes. Doing so could result in a roll

over and injury, or possibly death, to the operator.

Safety Warnings

Never operate the equipment without the Roll-Over Protective

Structure (ROPS) and without a seat belt. These items prevent

injury in a roll-over accident. It is also highly recommended to

wear protective equipment such as a hard hat, safety glasses,

safety shoes, and ear plugs.

Rollover

Stay away from rotating blades. Keep hands and feet clear

of rotating blades and discharge areas at all times. Never

get close to the blades until all motion has stopped and ma-

chine is turned off.

Never operate equipment with loose blades. Retighten after the first 8

hours of use and after blade replacement.

Never allow rotating blades to contact solid objects like rocks, posts, curbs

or guard rails. Only operate if all guards and deflectors are in place and

in good working condition.

Rotating Blades

• Never operate with mower deck raised if bystanders or traffic

are in the area. This helps to prevent injury or death from

objects thrown by the blades.

• Stop cutting if someone comes within 300 feet. DO NOT

operate equipment with bystanders in the area! Rotary

mowers have the ability to throw debris considerable

distances when blades are allowed to strike foreign objects.

Operator must exercise caution or serious injury or even

death could result.

2010 ST-6010 & ST-7210

Safety Warnings

Hydraulics

Relieve all pressure in the hydraulic lines by setting the mower deck on the

ground, shutting the tractor off, and actuating lift valve handles before dis-

connecting hoses. This relief of pressure will reduce possibility of serious

injury from spewing hydraulic fluid.

Frayed, torn, or crimped hoses may rupture and spray boiling oil onto

Operator and cause serious bodily injury from scalding.

Failure to inspect and repair or replace hoses may cause worn hoses

to rupture suddenly and violently resulting in serious bodily injury

from scalding or fire with resulting burn injury or death.

Inspect hoses daily and repair or replace when needed. Stop all leaks.

Repair or replace hoses as indicated to prevent unexpected failure and

possible serious injury to operator or bystander.

Boiling oil may spray onto hot tractor parts and catch fire causing severe burn injury or death.

Safety Conclusion

Now that the operator has read the information provided in this manual; he or she should now

be aware of how dangerous a rotary mower can be if operated improperly. It is important that

the operator of this equipment should be cautious, conscientious, and use common sense when

operating this equipment in order to avoid serious injury and or death to the operator, support

personnel, passersby, or animals.

Safety

Depends on You!

Use paper or cardboard to check for leaks. Never use your hand.

If oil penetrates skin, gangrene or other serious injury could occur.

If skin is penetrated by hydraulic fluid, get immediate medical

attention.

2010 ST-6010 & ST-7210

General Maintenance

Refer to tractor’s service manual for proper tractor maintenance.

NEVER service the mower with the power on, except where otherwise stated.

Before working on a mower always check to see that:

• The tractor’s transmission is in the parking gear and the parking brake is set to keep the

tractor from moving while unattended.

• The tractor PTO has been disengaged.

• The engine is off and all moving parts (both tractor and mower) have completely stopped.

The rotating parts of the tractor and mower continue to rotate after the PTO has been

disengaged. The operator should remain seated until all movement has ceased.

Never engage in repair or service work under the mower deck or any other part of the mower

that is raised off of the ground until the mower is safely and securely supported in the raised

position.

Use extreme caution when working on a mower. Many of the parts are heavy and sharp and

can cause serious injury if they are dropped or fall on the operator or bystander.

The blades are very sharp and can pivot. Use extreme caution when performing maintenance

on them. Failure to do so could result in serious injury or possibly even death.

Use marfac double ought grease or cotton picker spindle grease to lubricate all Bush-Whacker

gearboxes. Replacement gearbox grease is available from your Bush-Whacker dealership.

Always use genuine Bush-Whacker replacement parts, available through the network of

authorized dealers. The use of non-OEM parts will void the warranty of this machine.

Non-OEM parts, specifically blades and blade bolts, may not meet Hall Manufacturing

Inc. specifications and could lead to serious injury or death.

At Least Twice Daily

Rotor Bar Assembly, Blades, Blade Bolts, and Nuts

• Check blades for any signs of cracking or damaged cutting surfaces. If a blade is cracked,

replace the set at once. DO NOT operate the mower at any time with a cracked or severely

damaged blade! If a blade breaks, it could cause severe injury or possibly death.

• Check if blade cutting surfaces are dull. If they are, re-sharpen or replace blades.

• Check if blade bolts and nuts are loose, cracked or damaged. DO NOT operate the mower

with any of those characteristics. Any of these conditions could allow the blade to come

loose and could cause injury or possibly death. Always keep the blade bolts and nuts

tightened to 350 ft. lbs. of torque.

• DO NOT operate the mower with just one blade.

2010 ST-6010 & ST-7210

At Least Twice Daily

Rotor Bar Assembly, Blades, Blade Bolts, and Nuts

• Make sure rotor bar assembly is securely attached with castle nut and cotter pin to the

output shaft.

• Always make sure to replace the blades in sets.

NOTE: When mowing at low cutting heights or on uneven terrain, the blades can come in

contact with the ground frequently. When this happens, the blade tips can be pushed upwards

causing the blade to bend. By pushing upwards on the blade tip, the rear of the blade (at the

bolt hole) is forced downward away from the rotor bar assembly. This causes the bolt to be

pulled through the bar and can cause it to shear. When the bolt shears, it will throw a blade.

When operating in these conditions, the operator must check the blade bolts more frequently

than normal, at least four times a day.

Always use genuine Bush-Whacker replacement blades, bolts, and nuts. Other blades may not

meet Hall Manufacturing specifications and could lead to serious injury or death.

Hydraulics

• If at any time the hoses become frayed, worn, or pinched, replace them.

Daily

Shields

• Make sure ALL shields are in place and tightened before operating the mower. If one

works loose, stop mowing and tighten immediately.

• Replace shields if there’s any damage or excessive wear.

Drive Shafts

• Inspect the Drive Shaft Shields, make sure that they are installed and working properly. If

shields become damaged or loose during operation, stop immediately and fix or replace

them.

• Make sure the drive shaft shield mounting chains are securely fastened.

• Inspect cross kits

• Grease each zerk fitting with natural or synthetic lubricants. Never mix the two types of

lubricants.

• Check Drive Shaft tubes to ensure that they telescope properly. If they do not, replace

them.

2010 ST-6010 & ST-7210

Daily

Gearboxes

• Check gear lube. If the grease is lower than the inspection plug on the rear side of the

gearbox, then fill to the level of the plug. NOTE: Do not overfill the gearbox. If the grease

level of the gearbox is low, additional grease can be purchased from your Bush-Whacker

dealer.

• Inspect output shaft for vines, wire, rope, etc. that may collect around the shaft and tear up

the output seal. If a seal is leaking, replace it, or risk overheating and severe damage to the

gearbox.

• Check the mounting bolts and nuts to be sure that they are correctly secured. If left

unchecked, it could cause excessive vibrating which could damage the equipment.

Pins, Bolts, and Nuts

• Inspect all pins, bolts, and nuts, making sure that they are all in place and secure. Look for

loose fasteners and tighten to the proper torque, as required.

• Make sure the three point hitch mount and stabilizer pins are secure, and Top Links are not

loose or slack.

Skid Shoes

• Check for any wear or damage, replace if required.

Frame

• Look for any structural cracks, damage and wear.

• Keep the equipment clean. Inspect for debris caught in the machine, especially at all pinch

points.

Wheel Hubs

• Grease wheel hubs at zerk fitting once a day before operating the mower. Check seals for

leakage. Replace seals if a leak is detected. Also, check bearings for damage. If they have

seized, they are damaged; replace them immediately before use.

Chain Guards

• Rear and front chain guards are standard equipment for all Bush-Whacker rotary mowers.

• Always inspect the chain guards to be sure no chain links are missing and the guards are

operating correctly. If the guards are not operating correctly, links are missing, or the

complete chain guard assembly is missing, do not operate the mower. Never operate the

mower without chain guards in proper working order.

Every 1,000 Hours orAnnually

It is recommended to do annual, pre-season maintenance at the end of each operating season,

rather than at the beginning.

The mower should be stored in the off-season cleaned, inspected and repaired. This will help

prevent any rust forming on the mower’s surfaces and contaminants damaging the hydraulic

components.

2010 ST-6010 & ST-7210

Using The Optional OffsetAdapter

I. Mowing in the Center Position

1. Attach the tractor lift arms to the mower and adapter at points “A” using the hitch pins,

Part# 2765, provided.

2. Attach the tractor top link to the clevis and adapter at point “B”.

3. Hook to the offset adapter is now complete.

II. Mowing in the Offset Position

Note: Always adjust the offset adapter with the mower disengaged from the tractor and

firmly on the ground. This will prevent the machine from becoming unstable and falling

onto the operator. Failure to do so might cause serious injury or death to the operator.

1. Attach Part D leaving the fasteners slightly loose. (Note: Part D also includes the top link

clevis)

2. Loosen Part A and slide Part A&D to the desired offset Position (up to 12”) and tighten

them securely into place.

3. Attach the mower to the tractor as stated in Part I except now the operator must attach the

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