Baumalight STUMP BLASTER S24 User manual

S24 And S28 Stump Grinder
OPERATOR’S MANUAL
Issue Date September 2021

TABLE OF CONTENTS
1 INTRODUCTION����������������������������������������������������������������������������������������������������������������������������������� 1
1�1 Overview�������������������������������������������������������������������������������������������������������������������������������������� 1
1�2 Intended Use And Foreseeable Misuse ������������������������������������������������������������������������������������ 2
2 SAFETY ������������������������������������������������������������������������������������������������������������������������������������������������ 3
2�1 Safety Alert Symbol And Safety Words������������������������������������������������������������������������������������ 3
2�2 Operational Hazards������������������������������������������������������������������������������������������������������������������� 3
Prepare for Emergencies ����������������������������������������������������������������������������������������������������������� 4
Replace Safety Signs ����������������������������������������������������������������������������������������������������������������� 4
Do Not Allow Riders ������������������������������������������������������������������������������������������������������������������� 4
Lower Operating Speed ������������������������������������������������������������������������������������������������������������� 4
Avoid Rollover ���������������������������������������������������������������������������������������������������������������������������� 5
Avoid Powerlines & Underground Utilities ������������������������������������������������������������������������������ 5
Detach Stump Grinder Safely���������������������������������������������������������������������������������������������������� 5
Hazards From Modifying Equipment ���������������������������������������������������������������������������������������� 6
2�3 Maintenance Hazards����������������������������������������������������������������������������������������������������������������� 8
3 SAFETY SIGNS ���������������������������������������������������������������������������������������������������������������������������������� 10
4 ASSEMBLY ����������������������������������������������������������������������������������������������������������������������������������������� 12
4�1 Remove Shipping Dunnage And Parts ����������������������������������������������������������������������������������� 12
4�2 Remove Stump Grinder From Pallet��������������������������������������������������������������������������������������� 13
5 OPERATION ��������������������������������������������������������������������������������������������������������������������������������������� 14
5�1 Preparation For Use ����������������������������������������������������������������������������������������������������������������� 14
5�2 Pre-Operation Check List �������������������������������������������������������������������������������������������������������� 15
5�3 Machine Components �������������������������������������������������������������������������������������������������������������� 16
5�4 Attaching Stump Grinder ��������������������������������������������������������������������������������������������������������� 16
5�5 Detaching Stump Grinder �������������������������������������������������������������������������������������������������������� 17
5�6 Transporting������������������������������������������������������������������������������������������������������������������������������ 18
5�7 Carbide Teeth Break-In������������������������������������������������������������������������������������������������������������� 18
5�8 First Time User Tips ����������������������������������������������������������������������������������������������������������������� 19
5�9 Field Operation ������������������������������������������������������������������������������������������������������������������������� 20
5�10 Pressure Relief Adjustment��������������������������������������������������������������������������������������������������� 22
6 SERVICE AND MAINTENANCE��������������������������������������������������������������������������������������������������������� 24
6�1 Replace Cutting Teeth �������������������������������������������������������������������������������������������������������������� 26
6�2 Replace Hydraulic Hoses��������������������������������������������������������������������������������������������������������� 26
6�3 Replace Spider�������������������������������������������������������������������������������������������������������������������������� 27
6�4 Replace Rotor ��������������������������������������������������������������������������������������������������������������������������� 28
6�5 Every 6 Hours ��������������������������������������������������������������������������������������������������������������������������� 28
6�6 Every 10 Hours ������������������������������������������������������������������������������������������������������������������������� 29
7 TROUBLESHOOTING������������������������������������������������������������������������������������������������������������������������ 30
8 STORAGE������������������������������������������������������������������������������������������������������������������������������������������� 31
8�1 Storing Stump Grinder������������������������������������������������������������������������������������������������������������� 31
8�2 Removing From Storage ��������������������������������������������������������������������������������������������������������� 31
9 WARRANTY���������������������������������������������������������������������������������������������������������������������������������������� 32
ii

1 INTRODUCTION
Congratulations on your choice of a Baumalight
Skidsteer Stump Grinder to complement your
stump grinding operation. This equipment has been
designed and manufactured to meet the needs
of a discriminating buyer for efcient grinding of
stumps.
The S24 and S28 have 34 teeth on a 24 inch rotor.
This means less cutting for each tooth resulting in
longer tooth life and smoother cutting for less wear
on the skidsteer. Heavy tooth population makes
ner mulch and smoother operation.
The rotor is powered by the hydraulics on your
skidsteer with the swing cylinders activated by
the standard remote hydraulic connectors on the
skidsteer.
Grease zerks and replaceable bushings are
provided at major pivot points for extended service
life.
The debris shields is standard equipment on all
stump grinders. It is recommended that the stump
grinder never be operated without one.
Safe, efcient and trouble free operation of your
Stump Grinder requires that you and anyone else
who will be operating or maintaining the Stump
Grinder, read and understand the Safety, Operation,
Maintenance and Troubleshooting information
contained within the Operator’s Manual.
This manual covers the S24 and S28 Baumalight
Skidsteer Stump Grinders. Use the Table of
Contents as a guide to locate required information.
Keep this manual handy for frequent reference
and to pass on to new operators or owners. Call
your Baumalight dealer, distributor or the factory
if you need assistance, information or additional
copies of the manuals.
1�1 Overview
When this machine is worn out and no longer in
use, it should be returned to the retailer or other
party for recycling.
OPERATOR ORIENTATION - The directions left,
right, front and rear, as mentioned throughout this
manual, are as seen from the skidsteer driver’s
seat and facing in the direction of travel.
1

The Stump Grinder is designed to be used on site
to remove softwood and hardwood tree stumps by
reducing the stumps to chips and dust.
The Stump Grinder is designed to be used
by experienced operators, trained in the safe
operation of a skidsteer and trained in the hazards
related to using the stump grinder and the safe use
of the grinder for the intended purpose. Operators
will require personal protective equipment to
reduce the risk from some hazards that cannot be
completely eliminated or controlled by the design
of the tool.
Care is required to ensure that the Stump Grinder
will not come across metallic objects, stones or
other materials harder than a typical stump while
grinding.
The Stump Grinders are not designed for use in
hazardous atmospheres where there is a risk
of re or explosion due to ammable gases or
vapors. Use in hazardous, explosive atmospheres
is prohibited.
Serious injury or death of the operator or bystanders
may be caused if the Stump Grinder is misused.
Misuse may also cause damage to the skidsteer
carrying the implement.
1�2 Intended Use And Foreseeable
Misuse
2

2 SAFETY
You must read, understand and follow the
instructions given by the operating unit
manufacturers, as well as the instructions in this
manual.
The safety information in this manual is denoted by
the safety alert symbol:
^
This symbol means ATTENTION! BECOME
ALERT! YOUR SAFETY IS INVOLVED!
The level of risk is indicated by the following signal
words:
^ DANGER
DANGER - Indicates a hazardous
situation, which, if not avoided, WILL
result in death or serious injury�
^ WARNING
WARNING - Indicates a hazardous
situation, which, if not avoided, could
result in death or serious injury�
^ CAUTION
CAUTION - Indicates a hazardous
situation, which, if not avoided, could
result in minor or moderate injury�
NOTICE
NOTICE - Indicates a situation that could
result in damage to the equipment or
other property.
2�1 Safety Alert Symbol And Safety
Words
2�2 Operational Hazards
^ WARNING
Prevent serious injury or death�
Read and understand this manual before
operating stump grinder�
Always stop engine and remove key
before leaving operators seat�
Never allow anyone near the stump
grinder during operation�
Travel at a safe speed�
^ WARNING
Prevent serious injury or death from
moving parts�
Moving parts can crush and dismember�
Do not operate without guards and
shields in place�
Disconnect and lock out power source
before adjusting or servicing�
^ WARNING
Use stump grinder only for the designed
applications�
Any other use may result in personal
injury, damage to equipment and may
void the warranty�
3

^ WARNING
Prevent serious injury or death�
Verify stump grinder is attached to
skidsteer before operation or transport�
^ WARNING
Protect from ying debris.
Wear proper safety glasses, goggles,
or a face shield to protect from ying
debris�
Carefully read all safety messages in this manual
and on equipment safety signs. Keep safety signs
in good condition and replace missing or damaged
safety signs.
New equipment components and repair parts must
include the current safety decal.
Learn how to properly operate equipment.
NEVER operate or work around this equipment
without proper instruction, while fatigued or under
the inuence of alcohol, prescription or non-
prescription medication or if feeling ill.
Keep your equipment in proper working condition.
Know the regulations and laws that apply to you
and your industry. This manual is not to replace
any regulations or laws. Additional information
may be found at: www.asae.org or www.osha.gov.
If you do not understand any part of this manual,
contact Baumalight at 866-820-7603.
Prepare for Emergencies
• Be prepared in case of emergencies.
• Keep a re extinguisher and rst aid kit close
to the machine.
• Keep emergency phone numbers close to your
phone.
• Know your address so emergency services
can locate you if an emergency arises.
Replace Safety Signs
• Replace missing or damaged safety signs.
• Safety signs are identied in Section 3 of this
manual.
• Replacement safety signs are available from
your Baumalight dealer.
Do Not Allow Riders
• NEVER lift or carry anyone with stump grinder.
• NEVER use stump grinder as a work platform.
• NEVER allow passengers on stump grinder.
Lower Operating Speed
• Lower operating speed while loading, unloading
or performing heavy operations.
• Keep load low and move at slow speeds on
rough or uneven terrain.
4

Avoid Rollover
The equipment may rollover, resulting in death or
serious injury. To help prevent rollover:
• Travel at a slow speed.
• Avoid sharp turns & sudden movement on
slopes.
• Carry loads close to the ground.
• Avoid holes, ditches and other obstructions
which may cause equipment to rollover.
• Balance load so weight is evenly distributed
and load is stable.
• Use caution when operating on slopes and do
not operate on excessively steep slopes.
• Do not exceed load capacity of equipment.
Avoid Powerlines & Underground
Utilities
• Check clearance before raising equipment.
• Have local utilities locate and mark buried
wires, cables, pipelines and other hazards
before grinding.
^ DANGER
Prevent electrocution�
Death or serious injury can result if
equipment comes near or contacts
power lines�
Electrocution can occur without direct
contact�
DO NOT leave the operator’s seat if any part of the
equipment contacts electric lines or cables.
Detach Stump Grinder Safely
Detach stump grinder on a rm and level surface.
Stump grinder may fall over if detached on sloping
or soft surface. Be sure people, livestock and pets
are clear of machinery.
Relieve hydraulic pressure before disconnecting
hydraulic hoses. See your skidsteer Operator’s
Manual.
Raised Attachment
^ WARNING
Crushing hazard�
Raised, unsupported stump grinder can
fall, resulting in death or serious injury�
Never enter the area under a raised stump
grinder unless properly supported�
A raised stump grinder can lower unexpectedly,
resulting in death or serious injury.
NEVER enter area under a raised stump grinder
unless stump grinder is properly and safely
supported.
Lower stump grinder to ground, engage parking
brake, shut off engine and remove key before
servicing.
5

Avoid Loud Noise
^ WARNING
Prolonged exposure to loud noise can
cause impairment or loss of hearing�
Wear a suitable hearing protective
device such as earmuffs or earplugs
to protect against objectionable or
uncomfortable loud noises�
Hazards From Modifying Equipment
Do not make any alterations to your stump
grinder. Altering the equipment may cause unsafe
conditions and may void the manufacturer’s
warranty.
Avoid High Pressure Fluids
^ WARNING
Pressurized uids can penetrate the
skin�
Hydraulic hoses can fail from age,
damage and exposure�
Use body and face protection while
searching for leaks� A tiny, almost
invisible leak can penetrate the skin,
thereby requiring immediate medical
attention�
Use wood or cardboard to detect
hydraulic leaks, never use your hands�
Escaping uid under pressure can penetrate the
skin causing serious injury.
Prevent the hazard by relieving pressure (See
skidsteer Operator’s Manual.) before connecting
or disconnecting hydraulic lines. Verify all
connections are tight before applying pressure.
Search for leaks with a piece of cardboard or wood.
Protect hands and body from high pressure uids.
If an accident occurs, see a doctor immediately.
Any uid injected into the skin must be surgically
removed within a few hours or serious infection
may result.
6

Avoid Wood Dust Inhalation
^WARNING
Drilling, sawing, sanding or machining
wood products can expose you to wood
dust, a substance known to the State of
California to cause cancer�
Avoid inhaling wood dust or use a dust
mask or other safeguards for personal
protection� For more information go to
www�P65Warnings�ca�gov/wood�
^WARNING
Wear an approved dust mask or
respirator�
Follow local, state and federal
regulations�
7

2�3 Maintenance Hazards
Before servicing, park machine on a rm and
level surface, set parking brake, chock wheels,
and place a “Do Not Operate” tag on control
panel. Read and understand this manual. If you
do not understand any part of the manual, contact
Baumalight at 866-820-7603.
Always wear face and/or eye protection, safety
shoes, and other protective equipment appropriate
for the job.
Do not make unauthorized modications. Contact
Baumalight at 866-820-7603 before you weld, cut/
drill holes, or make any other modications.
Always use Baumalight replacement parts.
^ WARNING
Moving parts can crush and cut�
Keep clear of moving components�
Follow lockout procedure before
servicing�
^ WARNING
Crushing hazard�
Before performing inspections, service
or maintenance:
• Park machine on rm, level surface.
• Engage parking brake�
• Turn engine off and remove key�
• Place “Do Not Operate” tag on
control panel�
^ WARNING
Entanglement hazard�
Keep clear of moving components�
Wear proper protective equipment
appropriate for the job�
^ WARNING
Burn hazard�
Hot and high pressure hydraulic oil�
Allow oil to cool before servicing�
^WARNING
Drilling, sawing, sanding or machining
wood products can expose you to wood
dust, a substance known to the State of
California to cause cancer�
Avoid inhaling wood dust or use a dust
mask or other safeguards for personal
protection� For more information go to
www�P65Warnings�ca�gov/wood�
^WARNING
Wear an approved dust mask or
respirator�
Follow local, state and federal
regulations�
8

9

3 SAFETY SIGNS
The two and four panel safety decals are pictorial
and have a yellow background. The panel with a
triangle indicates the potential hazard. The panel
without a triangle indicates how to avoid the hazard.
If any of the decals are missing, are damaged, or
if you do not understand the decal, please contact
your dealer.
B
A
C
G
D
E
F
B
NS
Dashes lines indicate items hidden from view
unless cover is opened.
NS - Non-slip pads.
A. D005262 ^WARNING - P65 warning
information.
WARNING: This product can expose you to chemicals
including 1,3-Butadiene and lead, which are known to the state of
California to cause cancer and birth defects or other reproductive
harm. For more information go to www.P65Warnings.ca.gov.
D005262
B. D005223 ^WARNING - Rotating blade
hazard. Keep back 75m while machine is
operating. Wait for blade to stop before
approaching machine.
D005223
75 M
C. D005127 ^WARNING - Pinch point / crush
hazard. Do not reach into machine. Keep away
from machine.
D005127
10

D. D005126 ^ WARNING - Pressurized uid
hazard. Keep away from machine.
D005126
E. D005517 ^WARNING - Remove key before
servicing.
D005517
F. D005125 ^WARNING - Read and understand
safety signs on the machine and operating
instructions in this manual before operating
machine.
D005125
G. D005130 ^WARNING - Rotating parts
hazard. Do not reach into machine. Keep away
from machine.
D005130
11

^ WARNING
Approximate weight of grinder is:
• S24 - 852 lbs (386 kg)
• S28 - 995 lbs (451 kg)
Stump Grinder is top heavy when
attached to pallet� Move with caution�
Do not position feet around or under
pallet�
To prevent injury from accidental
lowering of grinder, attach an adequate
lifting device to lifting eye on stump
grinder�
1. Remove crate material from pallet.
2. Attach an adequate lifting device to lifting eye
(A) on stump grinder.
3. Remove all shipping bands, wires and loose
parts from around stump grinder.
4 Assembly
4�1 Remove Shipping Dunnage And
Parts
A
12

1. Slowly lift the stump grinder off the pallet.
Remove pallet from work area.
2. Lower stump grinder so that the rotor touches
the ground.
3. Stabilize the machine and continue lowering
the rest of the way down.
4. Remove lifting device.
4�2 Remove Stump Grinder From
Pallet
13

Although the Stump Grinder has been carefully
inspected and checked prior to shipment from
manufacturer, it is recommended that the unit be
thoroughly inspected.
Check all bolts for tightness and remove all shipping
tags, bags, skids, and blocking. Check swing frame
to ensure that it is free from obstruction and can
operate smoothly without binding.
Remove any masking materials afxed during
painting. Inspect the skidsteer and any accessory
equipment to verify that nameplates and all safety
warning, caution signs and decals provided with
the equipment are in place and clearly visible.
Verify the quick-tach handles are locked.
Visually inspect the unit before each start up.
Check for loose or missing parts and any damage
that may have occurred during moving or shipping.
Review all skidsteer pre-start instructions, and
verify that all recommended steps and procedures
have been followed. Never bar over the rotor, This
could cause damage and result in personal injury
or equipment damage.
Note: Always keep the weight of the machine in
mind. Never position body in line of impact.
5 OPERATION
5�1 Preparation For Use
14

Check-mark Check these items: Frequency
Verify the quick attach handles are locked. Each operation.
Check the hydraulic uid level to verify there is sufcient uid
in the system.
Each operation.
Check hydraulic lines for breaks and punctures. Each operation.
Verify hydraulic lines are plugged in securely. Each operation.
Verify hydraulic lines are tied well away and cannot bind or
be pinched.
Each operation.
Check the cross bolts that secure the six pivot pins. Each operation.
Check swing control function. Each operation.
Verify the cutting tips on the rotor are tight. Every 4 hours.
Grease two pins on the deector shield. Every 6 hours.
Grease all six pivot pins. Every 10 hours.
5�2 Pre-Operation Check List
15

A. Quick Attach
B. Manual Storage Tube
C. Rotor Shield
D. Debris Shield
E. Rotor
F. Hydraulic Motor
G. Swing Cylinder
5�3 Machine Components
A
C
B
D
E
F
G
5�4 Attaching Stump Grinder
^ WARNING
Prevent injury�
Never position yourself between
skidsteer and stump grinder�
Only experienced and properly trained
operator’s should operate the skidsteer
and stump grinder�
1. Read ALL Safety instructions.
2. Check for loose teeth or any other loose parts
3. Verify hydraulic lines are clear of pinch areas.
4. Verify there is sufcient visibility and
maneuverability to move up to the stump
grinder.
5. Verify pins are secure in the correct position.
6. Attach skidsteer to stump grinder. See skidsteer
Operator’s Manual.
7. Connect hydraulic hoses to the skidsteer
SCV’s. See skidsteer Operator’s Manual.
Verify hydraulic hoses are clear of pinch areas.
8. Connect swing control.
9. Move to a clear open area to test functions.
16

^ WARNING
Pressurized uids can penetrate the
skin�
Hydraulic hoses can fail due to physical
damage, age, kinks and exposure� Check
hoses regularly� Replace damaged
hoses�
Use body and face protection while
searching for leaks� A tiny, almost
invisible leak can penetrate the skin,
thereby requiring immediate medical
attention�
Use wood or cardboard to detect
hydraulic leaks, never use your hands�
5�5 Detaching Stump Grinder
^ WARNING
Prevent serious injury or death caused
by unexpected movement:
1� Park skidsteer on a level surface�
2� Engage skidsteer park brake�
3� Disengage hydraulic ow.
4� Shut off engine and remove key�
1. Park skidsteer on a level surface.
2. Lower grinder to the ground.
3. Shut off engine and remove key.
4. Relieve hydraulic pressure. See your skidsteer
Operator’s Manual.
5. Disconnect hydraulic hoses.
6. Disconnect swing control.
7. Disconnect skidsteer from stump grinder. See
skidsteer Operator’s Manual.
17

^ WARNING
To prevent bodily injury from rotating
rotor, be sure to disengage power
before transporting grinder�
1. Verify all reectors and Slow Moving Vehicle
(SMV) sign are visible.
2. Raise stump grinder to transport position.
3. Center the grinder directly in front of the
skidsteer for greater stability.
4. Verify grinder power is disengaged.
5. Travel at a reasonable and safe speed.
5�6 Transporting
During the rst few hours of use, avoid hitting
stones as much as possible to allow the carbide
teeth to wear slightly. This can be done by keeping
the rotor above ground level.
New carbide tips are razor sharp and can chip and
shatter easily when they hit hard objects. Once
the razor sharpness has worn away, the tips do
not chip as easily. Observing these precautions
will extend the life of the carbide teeth and reduce
operating expenses.
5�7 Carbide Teeth Break-In
18
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