Baumalight DXH User manual

DXH Drop Saw
OPERATOR’S MANUAL
Issue Date: March 2020

TABLE OF CONTENTS
1 INTRODUCTION ����������������������������������������������������������������������������������������������������������������������������������� 1
1�1 Overview���������������������������������������������������������������������������������������������������������������������������������������� 1
1�2 Intended Use And Foreseeable Misuse�������������������������������������������������������������������������������������� 1
2 SAFETY�������������������������������������������������������������������������������������������������������������������������������������������������� 2
2�1 Safety Alert Symbol And Safety Words�������������������������������������������������������������������������������������� 2
2�2 Operational Hazards��������������������������������������������������������������������������������������������������������������������� 2
Prepare For Emergencies ������������������������������������������������������������������������������������������������������������ 3
Replace Safety Signs ������������������������������������������������������������������������������������������������������������������� 3
Do Not Allow Riders ��������������������������������������������������������������������������������������������������������������������� 4
Lower Operating Speed ��������������������������������������������������������������������������������������������������������������� 4
Avoid Rollover ������������������������������������������������������������������������������������������������������������������������������ 4
Avoid Powerlines & Underground Utilities �������������������������������������������������������������������������������� 4
Detach Drop Saw Safely��������������������������������������������������������������������������������������������������������������� 5
Hazards From Modifying Equipment ������������������������������������������������������������������������������������������ 5
2�3 Maintenance Hazards������������������������������������������������������������������������������������������������������������������� 7
3 SAFETY DECALS ��������������������������������������������������������������������������������������������������������������������������������� 8
4 OPERATION ���������������������������������������������������������������������������������������������������������������������������������������� 10
4�1 Preparation For Use ������������������������������������������������������������������������������������������������������������������� 10
4�2 Pre-Operation Check List �����������������������������������������������������������������������������������������������������������11
4�3 Machine Components ���������������������������������������������������������������������������������������������������������������� 12
4�4 Attach Drop Saw ������������������������������������������������������������������������������������������������������������������������� 12
4�5 Initial Startup������������������������������������������������������������������������������������������������������������������������������� 13
4�6 Detach Drop Saw ������������������������������������������������������������������������������������������������������������������������ 13
4�7 Transporting�������������������������������������������������������������������������������������������������������������������������������� 14
4�8 Carbide Teeth Break-In��������������������������������������������������������������������������������������������������������������� 14
4�9 First Time User Tips ������������������������������������������������������������������������������������������������������������������� 15
4�10 Field Operation ������������������������������������������������������������������������������������������������������������������������� 15
5 SERVICE AND MAINTENANCE�������������������������������������������������������������������������������������������������������� 17
5�1 Maintenance�������������������������������������������������������������������������������������������������������������������������������� 17
5�2 Inspections���������������������������������������������������������������������������������������������������������������������������������� 18
5�3 Rotate Cutting Teeth������������������������������������������������������������������������������������������������������������������� 18
5�4 Replace Cutting Teeth���������������������������������������������������������������������������������������������������������������� 19
5�5 Motor Shaft Seal ������������������������������������������������������������������������������������������������������������������������� 19
6 TROUBLESHOOTING ������������������������������������������������������������������������������������������������������������������������ 20
7 STORAGE�������������������������������������������������������������������������������������������������������������������������������������������� 20
7�1 Storing Drop Saw ����������������������������������������������������������������������������������������������������������������������� 20
7�2 Remove Drop Saw From Storage���������������������������������������������������������������������������������������������� 20
8 WARRANTY����������������������������������������������������������������������������������������������������������������������������������������� 21
ii

1 INTRODUCTION
Congratulations on your choice of a Baumalight
Drop Saw to complement your pruning, trimming
and clearing operation. This equipment has been
designed and manufactured to meet the needs
of a discriminating buyer for efcient clearing of
brush, shrubs and trees.
The blade is hydraulic powered by the hydraulic
system on your excavator.
Replaceable bearings are provided at major pivot
points for extended service life.
Safe, efcient and trouble free operation of your
Drop Saw requires that you and anyone else
who will be operating or maintaining the Drop
Saw, read and understand the Safety, Operation,
Maintenance and Troubleshooting information
contained within the Operator’s Manual.
This manual covers the Baumalight DXH Drop
Saw. 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.
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 operator’s seat and
facing in the direction of travel.
1.1 Overview
The Drop Saw is designed to be used by
experienced operators, trained in the safe operation
of an excavator and trained in the hazards related
to using the drop saw and the safe use of the
drop saw 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 drop saw will
not come across metallic objects, stones or other
materials.
Drop saw is 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 drop saw is misused. Misuse
may also cause damage to the machine carrying
the implement.
1.2 Intended Use And
Foreseeable Misuse
1

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 the drop saw�
Always stop engine and remove key
before leaving operators seat�
Never allow anyone near the drop saw
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 drop saw only for the designed
applications�
Any other use may result in personal
injury, damage to equipment and may
void the warranty�
2

^ WARNING
Prevent serious injury or death�
Verify drop saw is attached to excavator
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 866-820-5603.
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.
3

Do Not Allow Riders
• NEVER lift or carry anyone on the drop saw.
• NEVER use drop saw as a work platform.
• NEVER allow passengers on the drop saw.
Lower Operating Speed
• Keep drop saw low and move at slow speeds
on rough or uneven terrain.
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 drop saw 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.
• Do not exceed load capacity of equipment.
Avoid Powerlines &
Underground Utilities
^^ 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.
4

Detach Drop Saw Safely
Detach drop saw on a rm and level surface. Drop
saw 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 excavator Operator’s
Manual.
Raised Attachment
^ WARNING
Crushing hazard�
Raised, unsupported drop saw can fall,
resulting in death or serious injury�
Never enter the area under a raised
Drop Saw�
A raised drop saw can lower unexpectedly,
resulting in death or serious injury.
NEVER enter area under a raised drop saw.
Lower drop saw to ground, engage parking brake,
shut off engine and remove key before servicing.
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 drop saw.
Altering the equipment may cause unsafe
conditions and may void the manufacturer’s
warranty.
5

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 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
Excavator 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

^ 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
Burn hazard�
Hot and high pressure hydraulic oil�
Allow oil to cool before servicing�
2.3 Maintenance Hazards
Before servicing, park machine on a rm and level
surface, remove key, set parking brake 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-
820-5603.
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 866-820-5603 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
Entanglement hazard�
Keep clear of moving components�
Wear proper protective equipment
appropriate for the job�
7

A. D005253 ^ WARNING - Pressurized uid
hazard. Pressurized uids can penetrate the skin.
Do not check for leaks with your hands. Keep back
a safe distance when pressurized.
D005253
B. D005262
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
3 SAFETY
DECALS
A
C
D
B
D
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.
8

C. D005252 ^WARNING - Read and
understand safety signs on the machine and
operating instructions in this manual before
operating machine.
D005252
D. D005255 ^WARNING - Rotating blade hazard.
Keep back 75m while machine is operating. Wait
for blade to stop before approaching machine.
D005255
75 M
9

^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 excavator 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 unqualied people to
operate this equipment.
^ WARNING
Pressurized uids can penetrate the
skin�
Disconnect and lock out power source
before disconnecting and/or connecting
hydraulic hoses�
Baumalight does not provide the hydraulic
hoses that connect drop saw motor and motor
case drain to excavator� The installer must
determine a safe routing for the hydraulic
hoses to prevent damage�
Installer provided hoses are not covered by the
Baumalight warranty�
Note: Side covers have been removed for
illustration purposes only. Do not operate with
covers removed.
4 OPERATION
4.1 Preparation For Use
1. Route hoses through opening (A) in frame.
A
2. Remove side cover and connect supply hose
to port A and return hose to port B on manifold
(B).
3. Connect case drain hose to case drain port (C)
on motor.
B
C
4. Install cover and tighten clamp on hose holder
to secure hoses.
10

5. Route hoses along boom and connect to
excavator hydraulic system. Connect case
drain hose to excavator reservoir.
Other installed attachments may interfere
with drop saw operation and may need to be
removed. Routing of the hoses will depend on
the excavator and other installed attachments.
Baumalight does not provide these hoses
and they are not covered by the Baumalight
warranty�
NOTICE
Prevent equipment damage�
Route hydraulic hoses away from pinch
points�
During initial startup, carefully move
drop saw and boom to all positions to
verify hoses will not be damaged�
4.2 Pre-Operation Check
List
Verify that drop saw is properly attached to
excavator.
Verify that hydraulic hoses properly connected.
Check for entangled material on blade.
Verify all guards, doors and covers are installed
and secured.
Verify cutting teeth are in good condition and are
tight.
11

Dashed line indicates item hidden from view unless
cover is removed.
A. Cutting Teeth
B. Blade
C. Blade Guard
D. Hydraulic Motor
E. Hydraulic Hose Holder
F. Ripper Teeth
G. Excavator Adapter
A
B
C
D
E
F
G
4.3 Machine Components 4.4 Attach Drop Saw
^ WARNING
To prevent injury or machine damage
put transmission in park�
Never position yourself between
excavator and drop saw�
Only experienced and properly trained
operator’s should operate the excavator
and drop saw�
1. Read and follow all safety instructions.
2. Attach drop saw to excavator. See Operator’s
Manual.
3. Verify pins are secure in the correct position.
4. Connect hydraulic hoses. Verify hydraulic
hoses are clear of pinch areas and moving
parts.
5. Move to a clear open area to test functions.
12

4.5 Initial Startup
Perform an initial startup and carefully move drop
saw and boom to all positions to verify hoses will
not be damaged.
Carefully watch the circled areas in below images
to be sure hoses are not pinched or kinked.
Reroute if damage may occur.
Baumalight does not provide these hoses
and they are not covered by the Baumalight
warranty�
4.6 Detach Drop Saw
^ WARNING
Prevent serious injury or death�
1� Park machine on rm, level surface.
2� Engage parking brake�
3� Disconnect hydraulic drive�
4� Shut off engine and remove key�
1. Park on a level surface.
2. Lower drop saw to the ground.
3. Shut off engine and remove key.
4. Disconnect hydraulic hoses.
5. Detach drop saw from excavator. See
Operator’s Manual.
13

1. Verify all reectors and Slow Moving Vehicle
(SMV) sign are visible.
2. Raise drop saw slightly off ground.
3. Verify hydraulics are disengaged.
4. Travel at a reasonable and safe speed.
^ WARNING
To prevent bodily injury from rotating
blade, be sure to disengage hydraulics
before transporting drop saw�
4.7 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 cutting wheel above ground level. Brand 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.
The teeth bolts must be retightened every ten
minutes for the rst hour of use on a new drop saw.
4.8 Carbide Teeth Break-
In
14

First, operate all functions in a clear area with
throttle at low idle to get a good feel for the controls
before you actually move into any brush.
Slow cutting speed if pressure surges up close
to max psi. Doing this will greatly reduce blade
stoppage.
Run throttle at half speed for rst time users.
Move the drop saw slowly until you have a better
feel how much the unit can take.
The machine is equipped with a front push bar to
push brush or small trees over. This will allow the
drop saw teeth to contact the lower portion of the
brush and the blade to cut it off.
Each operator must experiment to nd a technique
that works for them in their application.
^ WARNING
Always turn off excavator and disengage
hydraulic drive before getting off the
seat and approaching the blade�
^ 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�
4.9 First Time User Tips 4.10 Field Operation
^ WARNING
Prevent serious injury or death�
1� Park machine on rm, level surface.
2� Engage parking brake�
3� Disconnect hydraulic drive�
4� Shut off engine and remove key�
^ WARNING
Prevent serious injury or death�
Never operate drop saw when other
people are in the vicinity�
Debris can be thrown from cutting area�
Keep all shields in place�
Keep away from moving parts�
^ WARNING
Clean machine thoroughly before
service or maintenance procedures�
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�
15

1. Attach drop saw to excavator. See Attach Drop
Saw in this section.
2. Set engine speed to low idle and engage
hydraulics.
3. Slowly increase engine speed to high idle.
Verify drop saw is operating smoothly.
Position drop saw as needed to obtain the
closest cut to trunk or ground.
4. Operate hydraulics to move drop saw blade
into brush, shrubs or tree.
5. If blade stalls, stop movement, move drop saw
away from brush, trees or shrubs and allow
blade to regain speed. Slow movement to
prevent further stalling.
^ WARNING
Moving parts can crush and cut�
Keep clear of moving components�
Lockout operating unit before clearing
jams�
^ WARNING
Never approach drop saw before blade
has come to a complete stop�
8. Tilt drop saw and use ripper teeth to drag cut
trees and brush out of the way.
9. When cutting is completed, disengage
hydraulics and allow blade to stop.
10. Lower drop saw to ground and stop excavator
engine.
16

5 SERVICE And MAINTENANCE
5.1 Maintenance
Maintenance Chart
General Inspection Inspect the unit for any buildup of contamination
(dirt, stones, etc.).
Daily.
Hydraulic Hoses Inspect hydraulic hoses for damage and wear. Daily.
Cutting Teeth The teeth bolts must be retightened every ten
minutes for the rst hour of use on a new drop
saw.
First hour of use.
Cutting Teeth Check and replace one at a time as necessary.
With daily use expect to replace 4 to 6 teeth per
day. See Replace Cutting Teeth in this section.
Every 4 hours.
17

5.2 Inspections
^ WARNING
Prevent serious injury or death�
1� Park machine on rm, level surface.
2� Engage parking brake�
3� Disconnect hydraulic drive�
4� Shut off engine and remove key�
^ WARNING
Clean machine thoroughly before
service or maintenance procedures�
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�
Inspect the unit for any buildup of contamination
(dirt, stones, etc.).
Check cutting teeth every 4 hours of use. Replace
cutting teeth as needed. Unit will cut faster and
remaining teeth will last longer if broken teeth are
replaced.
Inspect hydraulic hoses for damage and wear.
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 one time from its
original position before replacement is necessary.
1. Park drop saw on a level surface.
2. Lower blade to the ground.
3. Shut off engine and lockout engine controls.
4. Inspect teeth for wear on top edge. Once
outside cutting edge is worn, rotate tooth 180°
so the new edge is on outside.
5. Remove bolt (A) on tooth (B) and rotate tooth
1/2 turn. Flat shoulder on tooth will t against
shoulder (C) on tooth holder.
6. Install and tighten bolt (A) to 65 lb/ft (88 Nm)
of torque.
A
B
C
Note: Parts breakdown can be found on
Baumalight’s website. www.baumalight.com
5.3 Rotate Cutting
Teeth
18
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