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WB44
Operator's Manual
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Baumalight WB44 Operator's Manual

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WB44 STUMP GRINDER
OPERATOR’S MANUAL
Issue Date: Nov 2018
TABLE OF CONTENTS
1. INTRODUCTION ................................................................................................................................ 1
1.1 Overview ..................................................................................................................................... 1
1.2 Intended Use And Foreseeable Misuse ................................................................................... 1
2. COMPONENTS .................................................................................................................................. 2
3. SAFETY ............................................................................................................................................... 3
3.1 Safety Alert Symbol And Signal Words ................................................................................... 3
3.2 Operational Hazards .................................................................................................................. 3
Prepare for Emergencies ........................................................................................................... 4
Replace Safety Signs ................................................................................................................. 4
Lower Operating Speed ............................................................................................................. 4
Do Not Allow Riders ................................................................................................................... 5
Prevent Rollover ......................................................................................................................... 5
Avoid Powerlines & Underground Utilities .............................................................................. 5
3.3 Maintenance Hazards ................................................................................................................ 6
3.4 Safety Signs ................................................................................................................................ 6
4. OPERATION ..................................................................................................................................... 10
4.4 Grinding A Stump ......................................................................................................................11
5 SERVICE AND MAINTENANCE ...................................................................................................... 14
6. TROUBLESHOOTING ..................................................................................................................... 18
7. WARRANTY ...................................................................................................................................... 19
ii
1. INTRODUCTION
1.1 Overview
Congratulations on your choice of a Baumalight Stump Grinder to complement your stump grinding operation. This equipment has been designed and manufactured to meet the needs of a discriminating
buyer for efcient grinding of stumps.
Safe, efcient 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 Baumalight WB44 Stump Grinder. 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.
Modications may compromise safe operation of
machine, subject users to serious injury or death and may void any remaining warranty.
This operator’s manual does not replace, nor does its use discharge the operator from observing all safety codes or operating limitations as well as any applicable federal, state, provincial or local regulations.
instructions in the owners manual, with the label illustrated along side.
Product Labels contain product information such as model number or serial number.
1.2 Intended Use And Foreseeable Misuse
The stump grinder is designed to be used by an experienced operator. Operator must be trained in the safe operation and 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 grinder.
Care is required to ensure that the stump grinder will not come across metallic objects, stones or other materials.
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 grinder is misused.
There are three different types of labeling on this machine: safety, informative and product labels.
Safety Labels are pictorial with a yellow background and generally 2 panel. Top panel indicates the potential hazard and the bottom panel indicates how to avoid the hazard.
Informative Labels are generally pictorial, have a white background and can vary to the number of panels. The label will illustrate the function of a feature and is accompanied by detailed
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2. COMPONENTS
A. Rotor
B. Debris Guard
C. Engine
D. Safety Bar
E. Operator Station Handle
F. Wheel Lock
G. Belt Guard
H. Lift Handles
I. Wheel Lock Lever
J. Handle Height Lock
K. Engine Stop Button
E
D
C
B
A
G
J
F
H
K
2
I
H
3. SAFETY
3.1 Safety Alert Symbol And Signal Words
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.
3.2 Operational Hazards
^ WARNING
Prevent death or serious injury.
Read and understand this manual before operating stump grinder.
Keep clear of moving components.
Stop engine before performing inspections or maintenance.
Never allow anyone near the stump grinder during operation.
Travel at a safe speed.
^ WARNING
Prevent death or serious injury from moving parts.
^ 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.
Moving parts can crush and dismember.
Do not operate without guards and shields in place.
Disconnect and lockout power source before adjusting or servicing.
^ WARNING
Safely operate equipment.
Allow only properly trained and qualied
personnel to operate this equipment.
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^ 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.
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
^ WARNING
Prevent serious injury or death.
Engine exhaust contains carbon monoxide. Carbon monoxide is an odorless gas that can cause death.
Avoid any areas or actions that expose you or others to carbon monoxide.
Never refuel a running engine or refuel near ignition sources.
^ 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.
• 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 identied in Section 3.4 of this
manual.
• Replacement safety signs are available from your Baumalight dealer.
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 inuence of alcohol, prescription or non-
prescription medication or if feeling ill.
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Lower Operating Speed
• Keep rotor low and move at slow speeds on rough or uneven terrain.
Do Not Allow Riders
Hazards From Modifying Equipment
• NEVER lift or carry anyone on stump grinder.
• NEVER use stump grinder as a work platform.
• NEVER allow passengers on stump grinder.
Prevent 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.
• Travel with rotor close to the ground.
• Avoid holes, ditches and other obstructions which may cause equipment to rollover.
• Use caution when operating on slopes and do not operate on excessively steep slopes.
Avoid Powerlines & Underground Utilities
^ DANGER
Do not make any alterations to your stump grinder. Altering may cause your equipment to be unsafe and may void the manufacturers’ warranty.
Avoid Wood Dust Inhalation
^ WARNING
Wear an approved respirator (N95 Type as a minimum).
Follow local, state and federal regulations.
The health effects from exposure to wood dust are due to chemicals in the wood or chemical substances in the wood created by bacteria, fungi, or molds.
Avoid Loud Noise
^ WARNING
Prolonged exposure to loud noise can cause impairment or loss of hearing.
Prevent electrocution.
Death or serious injury can result if equipment comes near or contacts power lines.
Electrocution can occur without direct contact.
Have local utilities locate and mark under ground wires, cables, pipelines and other hazards before grinding.
Wear a suitable hearing protective device.
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3.4 Safety Signs3.3 Maintenance Hazards
Before servicing, park machine on a rm and
level surface, set parking brake and place a “Do Not Operate” tag on engine controls. Read and understand this manual. If you do not understand any part of the manual, contact Baumalight at 866­820-7603.
Always wear face and/or eye protection, safety shoes, and other protective equipment appropriate for the job.
Do not make unauthorized modications. Contact
Baumalight at 866-820-7603 before you weld, cut/
drill holes, or make any other modications.
Always use Baumalight replacement parts.
^ WARNING
Moving parts can crush and cut.
Keep clear of moving components.
^ WARNING
To protect you and others against death or serious injury, all labels shown must be on stump grinder and must be legible.
If any of these labels are missing or cannot be read, contact your dealer for replacement labels
^ WARNING
Crushing and severing hazard.
Before performing inspections, service or maintenance:
• Park machine on rm, level surface.
• Engage wheel lock.
• Turn engine off.
^ WARNING
Entanglement hazard.
Keep clear of moving components.
Wear proper protective equipment appropriate for the job.
6
B
A
Decal A: D003069
Decal B: MTB-052
7
Decal C: MTB-176
Never allow riders; especially children on carrier or cutter.
cutting
E
E
F
D
C
G
8
Decal D: MTB-177
Decal F: MTB-178
Decal E: MTB-065
Decal G: MTB-185 Located Under Belt Guard
MTB-065
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4. OPERATION
4.3 Operation
^ Keep bystanders, livestock, pets, etc away
from work area.
^ Always wear protective equipment appropriate
for the job.
^ Do not operate, work on or around this machine
while under the influence of alcohol, drugs or if feeling ill.
^ Keep clear of moving machinery at all times. ^ Stop stump grinder engine before leaving
operators area.
^ It is your responsibility to operate this equipment
safely. You must be familiar with the equipment and all safety practices before use.
^ Do not allow untrained or unqualied people to
operate this equipment.
4.1 Pre-Operation Check List
^ WARNING
Prevent serious injury or death.
Keep clear of moving components.
^ WARNING
Prevent serious injury or death.
Engine exhaust contains carbon monoxide. Carbon monoxide is an odorless gas that can cause death.
Avoid any areas or actions that expose you or others to carbon monoxide.
^ WARNING
Wear an approved respirator (N95 Type as a minimum).
Perform the following checks prior to operation.
• Review and understand this manual and engine operators manual.
• Verify safety decals are installed and legible. Replace if damaged or missing.
• Verify that all hardware is tight.
• Verify that local utilities have marked all underground utilities.
4.2 Carbide Teeth Break In
New carbide teeth are razor sharp and can chip and shatter easily when they hit hard objects. Once the razor sharpness has worn away, tips do not chip as easily. Observing these precautions will extend the life of the carbide teeth and reduce operating expenses.
Follow local, state and federal regulations.
The health effects from exposure to wood dust are due to chemicals in the wood or chemical substances in the wood created by bacteria, fungi, or molds.
^ WARNING
Never operate stump grinder when other people are in the vicinity. Debris can be thrown several feet from cutting area.
Keep all shields in place.
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4.4 Grinding A Stump
^ WARNING
Prevent serious injury or death.
Keep clear of moving components.
1. Pull handle height lock (A) and adjust handle to a comfortable level. Push lock in to engage in hole to lock handle.
A
B
NOTICE
Grinding a stump with engine at less than operating speed may result in clutch damage and also void the warranty.
2. Start stump grinder engine. See OEM engine manual for safety, prestart and operational information.
3. If the stump is on a grade, position stump grinder lower on the grade with the cutting wheel on the stump grinder higher up the grade.
4. Position stump grinder up to the front edge of the stump.
5. Verify stump grinder is positioned at the edge of the stump that is closest to the stump grinder.
6. Position rotor close to, but not touching stump.
7. Pull wheel lock lever (B) to lock left wheel. Lever is shown in the locked position. This will allow you to pivot stump grinder while grinding stump.
Safety bar (C) must be tight against handle (D) when grinding stump.
8. Pull safety bar (C) tight against handle (D). This will increase engine rpm to operating speed and engage rotor. Releasing safety bar (C) will decrease engine speed and disengage rotor.
D
C
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9. Make the rst pass across front edge of stump, pivoting the stump grinder from side to side in 3-6 in. (76-152 mm) passes.
17. Reposition stump grinder as needed until the entire stump has been removed to below ground level.
10. Continue to take passes across the front edge of the stump, taking 3-6 in. (76-152 mm) on each pass.
18. Follow the roots, taking as much of the larger surface roots as possible. If these are not removed they can, over time, protrude from the ground in areas where there is a heavy freeze/ thaw cycle.
19. Release safety bar (C) to decrease engine speed and disengage rotor.
20. Move stump grinder away from stump to a flat surface.
21. Stop stump grinder engine.
11. When ground level is reached, continue to grind below the surface to the bottom of the stump where the roots branch out.
12. Release safety bar (C) to decrease engine speed and disengage rotor.
13. Release wheel lock and position the stump grinder beside the new front edge of the stump.
14. Engage wheel lock.
15. Pull safety bar (C) tight against handle (D). This will increase engine rpm to operating speed and engage rotor.
16. Make multiple passes over the front edge of the stump, taking 3-6 in. (76-152 mm) on each pass.
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4.5 Storage
Pull handle lock (A) out and flip handle over for storage.
A
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5 SERVICE AND MAINTENANCE
5.1 Maintenance Intervals
Item
Verify emergency stop is functioning properly. With engine stopped, verify throttle is fully open when
safety bar is pulled tight against handle. Check cutting teeth for wear. Rotate or replace cutting teeth
as necessary.
Check engine air lter. Clean or replace as necessary. Lubricate pivot point grease ttings.
Lubricate rotor bearings Check rotor bearings for side-to-side and up/down
movement. Replace bearings if movement is found. Check drive belt condition and tension.
Change engine air lter.
Change engine oil.
^ WARNING
Moving parts can crush and cut.
Keep clear of moving components.
Stop engine before performing inspections or maintenance.
5.3 Throttle Inspection
With engine stopped, pull safety bar tight against handle and verify throttle (A) is against stop (B). If throttle is not against stop, loosen clamp screw (C) and adjust throttle cable case as necessary. Tighten screw (C) and re-check. Throttle (A) must be against stop (B) when safety bar is tight against handle.
Daily
Before
Use
●
●
Every
4
Hours
●
●
Every
30
Hours
●
●
Weekly
●
Every
100
Hours
●
●
●
^ WARNING
Prevent serious injury or death.
Wear proper protective equipment appropriate for the job.
5.2 Inspections
Inspect the unit for worn or damaged parts. Repair or replace parts as needed.
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5.4 Rotate Cutting Teeth
5.5 Replace Cutting Teeth
Check cutting teeth every 4 hours of use. Keep cutting teeth in good condition. Unit will cut faster and remaining teeth will last longer if broken or worn teeth are replaced.
Each tooth can be rotated up to two times before replacement is necessary.
1. Park excavator and grinder on a level surface.
2. Lower grinder to the ground.
3. Shut off engine and remove key.
4. Inspect teeth for wear on top edge (A). Once top edge is worn, rotate tooth so a new edge is on top (cutting) edge.
5. Loosen locknut on tooth and rotate tooth 1/3
turn. Flat shoulder (B) on tooth will t against
shoulder (C) on tooth holder.
6. Tighten tooth locknut to 65 lb/ft (88 Nm) of torque.
1. Park stump grinder on a level surface.
2. Shut off engine.
3. Inspect cutting teeth (B) for damage and wear. Replace individual teeth as needed.
4. Remove locknut (A) and spacer from tooth (B).
Install new tooth. Flat shoulder on tooth will t
against shoulder (C) on tooth holder.
5. Install spacer and locknut. Tighten locknut (A) to 65 lb/ft (88 Nm) of torque.
A
C
B
A
C
B
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5.6 Replace Tooth Holder
A
5.7 Lubrication - Every 30 Hours
1. Park stump grinder on a level surface.
2. Lower rotor to the ground.
3. Shut off engine and remove key.
4. Inspect tooth holders (A) for damage and wear. Replace individual tooth holders as needed.
5. Remove tooth from tooth holder.
6. Remove mounting hardware on tooth holders. Install new tooth holder and tighten mounting hardware.
7. Install tooth into new tooth holder.
8. Tighten tooth locknut to 65 lb/ft (88 Nm) of torque.
A
A
1. Park stump grinder on a level surface.
2. Lower rotor to the ground.
3. Shut off engine and remove key.
4. Lubricate rotor bearings (A).
A
5. Lubricate pivot pin (B).
B
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6. Lubricate axles (C).
Belt deection (B) should be 0.5 in. (13 mm) at 3.0
lbs of force for a used belt or 4.25 lbs of force for a new belt.
B
C
5.8 Check Belt - Every 100 Hours
1. Park stump grinder on a level surface.
2. Lower rotor to the ground.
3. Shut off engine and remove key.
4. Remove belt guard and inspect belt (A) for
proper tension, wear, damage and correct alignment. Replace belt if worn or if belt is damaged. Check belt alignment. Engine pulley and rotor pulley must be aligned or belt will wear quickly. If not aligned, adjust engine pulley and/or rotor pulley.
5. To adjust belt tension, loosen engine mounting
bolts. Loosen jam nut (C). Turn adjustment bolt (D) clockwise to tighten belt to proper tension. Tighten jam nut (C) and engine mounting bolts.
6. Install belt guard. Do not operate stump grinder
with belt guard removed.
A
D
C
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6. TROUBLESHOOTING
Problem Probable Cause Solution
Rotor does not spin. Rotor jammed. Lock out power and clear debris
from rotor.
Drive belt loose. Tighten drive belt.
Rotor rotates slow or sluggish. Drive belt loose. Tighten drive belt.
Excessive vibration. Debris lodged in rotor. Lock out power and clear debris
from rotor.
Smoke emitting from engine exhaust pipe.
Dirty or clogged engine air lter. Change engine air lter.
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7. WARRANTY
This product is warranted to be free of defects in materials and workmanship under normal use and service, for a period of one year from the date of purchase, when operated and maintained in accordance with the Operating and Maintenance Instructions supplied with this unit. This warranty does not cover misuse or negligence.
Under no circumstances will the manufacturer be liable for any consequential damage or expense of any
kind, including loss of prots. The manufacturer is under no circumstances liable for excavator damage
of any kind. The manufacturer is not liable for the maintenance of the product.
This warranty is extended only to the original purchaser. Warranty is void if repairs are attempted by anyone other than an Authorized Service Center.
If a difculty develops with the product, you should contact your nearest Authorized Repair Center, or
distributor. Only these locations are authorized to make repairs to the product or affect the replacement of defective parts, which will be done at no charge within a reasonable time after the receipt of the product. Units or parts should be returned at the customer’s expense to the nearest repair location or Authorized Service Center. Pack unit in a strong carton and pad tightly to avoid damage. Damage in-transit is not
covered by warranty. Include original purchase receipt with any claim (keeping a copy for your les).
The Manufacturer’s Liability is limited to repair of the product and/or replacement of parts and is given to the purchaser in lieu of all other remedies including incidental and consequential charges. There are no
warranties, expressed or implied other than those specied herein. For the nearest Authorized Service
Center call the manufacturer.
Please note the following details and le this information in an appropriate place.
Model Number: ___________ S/N:_______________
Date of Purchase: _____________ Owner’s Name__________________________________
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For parts, specications and the latest machine information please visit our website.
www.baumalight.com
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MTB MFG INC.
CORPORATE HEADQUARTERS
4575 Powell Rd.,
Wallenstein, Ontario Canada
N0B 2S0
Phone - 519.698.9864
Toll Free - 866.820.7603
Fax - 519.698.1087
www.baumalight.com
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