Demco DA10 Bedienungsanleitung
Page 1
OPERATOR’S MANUAL
ACTUATOR
DA10
Dethmers Manufacturing CompanyDethmers Manufacturing Company
Dethmers Manufacturing CompanyDethmers Manufacturing Company
Dethmers Manufacturing Company
DOING OUR BEST TO PROVIDE YOU THE BEST
ASSEMBLY
CALIBRATION
OPERATION
REPLACEMENT PARTS
READ complete manual CAREFULLY
BEFORE attempting operation.
3-25-99
BH20002 Rev.4
DEMCO • Dethmers Mfg. Co. • 4010 320th St. • P.O. Box 189 • Boyden, IA 51234
PH: (712) 725-2311 or (712) 725-2302 • Toll Free: 1-800-543-3626 • FAX: 1-800-845-6420
www.demco-products.com
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NOTES
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DEMCO MODEL DA10 ACTUATOR
•Review following instructions before installation and use of hydraulic brake
actuator.
•Dealers or distributors must review these instructions with ultimate user.
•Failure to follow these instructions, or failure to properly maintain braking
system after installation, can result in loss of braking action.
WARNING: To Prevent Serious Injury or Death
Table of Contents
Generalinformation ............................................................................................................3
Safety, Signal Words ..........................................................................................................4
Equipment Safety Guidelines .............................................................................................5
Safety Sign Locations.........................................................................................................6
Safety Sign Care ................................................................................................................7
Remember .........................................................................................................................7
Before Operation ................................................................................................................8
During Operation .............................................................................................................. 8-9
FollowingOperation...........................................................................................................10
Highway and Transport Operations ................................................................................ 10-11
Performing Maintenance ................................................................................................... 11
Bolt Torque ........................................................................................................................12
Actuator Parts Breakdown and Parts List ..........................................................................13
DA10 Outer Case Options.................................................................................................14
Actuator Installation and Maintenance............................................................................ 15-16
Demco Brake Products Limited Warranty..........................................................................17
Demco Brake Products Limited Warranty Cont. ................................................................18
Model DA10 is a heavy duty surge brake actuator for trailers with two or four wheels.
Whenbrakesareappliedonthetowingvehicle,forwardinertiaoftrailertowardtowing
vehicle applies brakes on trailer in direct relation to manner brakes are applied on
towing vehicle. Brake towing vehicle hard and brakes on trailer are applied hard.
Master cylinder push rod spring assembly protects system from hydraulic pressure
overload.
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SAFETY
TAKE NOTE! THIS SAFETY ALERT SYMBOL FOUND THROUGHOUT THIS
MANUAL IS USED TO CALL YOUR ATTENTION TO INSTRUCTIONS INVOLVING
YOUR PERSONAL SAFETY AND SAFETY OF OTHERS. FAILURE TO FOLLOW
THESE INSTRUCTIONS CAN RESULT IN INJURY OR DEATH.
THIS SYMBOL MEANS
ATTENTION
BECOME ALERT
YOUR SAFETY IS INVOLVED!
SIGNAL WORDS
Note use following signal words DANGER,
WARNING, and CAUTION with safetymessages.
Appropriatesignalwordforeachhasbeenselected
using following guidelines:
DANGER:
Indicates an imminently hazardous situation that,
if not avoided, will result in death or serious injury.
This signal word is to be limited to most extreme
situationstypicallyformachine components which,
for functional purposes, cannot be guarded.
WARNING:
Indicates a potentially hazardous situation that, if
not avoided, could result in death or serious injury,
and includes hazards that are exposed when
guards are removed. It may also be used to alert
against unsafe practices.
CAUTION:
Indicates a potentially hazardous situation that, if
notavoided,mayresultinminorormoderateinjury.
It may also be used to alert against unsafe
practices.
Ifyouhavequestions not answered inthismanual,requireadditionalcopies,orif your manual isdamaged,
please contact your dealer or Dethmers Mfg. Co., P.O. Box 189, 4010 320th Street, Boyden, IA 51234
ph: (712) 725-2311 or (712) 725-2302 Toll Free: 1-800-543-3626 Fax: (712) 725-2380
http://www.demco-products.com
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SAFETY...YOU CAN LIVE WITH IT
EQUIPMENT SAFETY GUIDELINES
Every year many accidents occur which could have been avoided by a few seconds of
thought and a more careful approach to handling equipment. You the operator, can avoid
many accidents by observing and following precautions in this section. To avoid personal
injury, study the following precautions and insist those working with you, or you yourself,
follow them.
In order to provide a better view, certain illustrations in this manual may show an assembly
withasafetyshieldremoved.However, equipment should never be operated in this condition.
Keep all shields in place. If shield removal becomes necessary for repairs, replace shield
prior to use.
Replace any caution, warning, danger or instruction safety decal that is not readable or is
missing. Location of such decals is indicated in this booklet.
Do not attempt to operate this equipment under the influence of alcohol or drugs.
Review safety instructions with all users.
Operator should be a responsible adult. DO NOT ALLOW PERSONS TO OPERATE OR
ASSEMBLE THIS UNIT UNTIL THEYHAVE DEVELOPEDA THOROUGH UNDERSTANDING OF
SAFETY PRECAUTIONSAND HOW IT WORKS.
Do not paint over, remove, or deface any safety signs or warning decals on your equipment.
Observe all safety signs and practice instructions on them.
Never exceed limits of a piece of machinery. If its ability to do a job, or to do so safely is in
question-DON'T TRY IT.
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SAFETY SIGN LOCATIONS
Typesofsafetysignandlocationsonequipmentareshowninillustrationbelow.Goodsafety
requires that you familiarize yourself with various safety signs, type of warning, and area or
particular function related to that area, that requires your SAFETY AWARENESS.
BRAKES ON
DO NOT TOW
11/98
BRAKES OFF
TOWABLE
BH21003
This decal positioned as shown
Part # BH21003
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SAFETY SIGN CARE
• Keep safety signs clean and legible at all times.
• Replace safety signs that are missing or have become illegible.
• Replacement parts that displayed a safety sign should also display safety sign.
• Safety signs are available from your distributor, dealer parts department, or factory.
How to install safety signs:
• Be sure that installation area is clean and dry.
• Decide on exact position before you remove backing paper.
• Remove smallest portion of split backing paper.
• Align decal over specified area and carefully press small portion with exposed sticky
backing in place.
• Slowly peel back remaining paper and carefully smooth remaining portion of decal into
place.
• Small air pockets can be pierced with a pin and smoothed out using piece of decal
backing paper.
REMEMBER
Your best assurance against accidents is a careful and responsible operator. If there is any
portion of this manual or function you do not understand, contact your local authorized dealer
or manufacturer.
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BEFORE OPERATION:
• Carefully study and understand this manual.
• Always wear protective clothing and substantial shoes.
• Give equipment a visual inspection for any loose bolts, worn parts, or cracked welds, and
make necessary repairs. Follow maintenance safety instructions included in this manual.
• Be sure there are no tools lying on or in equipment.
• Do not use equipment until you are sure that area is clear, especially around children and
animals.
• Don't hurry learning process or take equipment for granted. Ease into it and become familiar
with your new equipment.
• Practice operation of your equipment and its attachments. Completely familiarize yourself
and other operators with its operation before using.
• Make sure that brakes are evenly adjusted.
• Make sure tow rating on vehicle is high enough for what it is towing.
• Do not allow anyone to stand between tongue or hitch and towing vehicle when
backing up to equipment.
• Securely attach to towing vehicle. Use appropriately sized hitch ball and/or hitch pin with a
mechanical retainer and attach safety chains.
• Criss cross chains under tongue and secure to draw bar cage, mounting loops,
or bumper frame.
DURING OPERATION
• SAFETY CHAINS If equipment is going to be transported on a public highway, safety
chains should be obtained and installed. Always follow state and local regulations
regarding safety chains and auxiliary lighting when towing equipment on a public highway.
Be sure to check with local law enforcement agencies for your own particular regulations.
Only safety chains (not an elastic or nylon/plastic tow straps) should be used to retain
connection between towing and towed equipment in event of separation of primary
attaching system.
• Install safety chains by criss crossing chains under tongue and secure to draw bar cage,
mounting loops, or bumper frame.
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• Beware of bystanders, PARTICULARLY CHILDREN! Always look around to make sure it is
safe to start engine of towing vehicle or move equipment. This is particularly important with higher
noise levels, as you may not hear people shouting.
• NO PASSENGERS ALLOWED- Do not carry passengers anywhere on or in equipment.
• Do not clean, lubricate, or adjust your equipment while it is moving.
• When halting operation, even periodically, set towing vehicles parking brake, shut off engine,
and remove the ignition key.
• Be extra careful when using on inclines.
•MANEUVER TOWING UNIT AT SAFE SPEEDS.
• Avoidloosegravel,rocks,andholes,theycanbedangerousforequipmentoperationormovement.
• Allow for overall length when making turns.
• Keep all bystanders and pets clear of work area.
• Operate towing vehicle from operators seat only.
• Never leave running equipment attachments unattended.
• As a precaution, always recheck hardware on equipment following every 100 hours or 50 miles.
Correct all problems. Follow maintenance safety procedures.
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FOLLOWING OPERATION
• Following operation, or when unhitching, stop towing vehicle, set brakes,
shut off the engine and remove ignition key.
• Store unit in an area away from human activity.
• Do not permit children to play on or around stored unit.
• Make sure all parked units are on a hard, level surface and engage all safety devices.
• Wheel chocks may be needed to prevent unit from rolling.
HIGHWAY AND TRANSPORT OPERATIONS
• Adopt safe driving practices:
- Always drive at a safe speed relative to local conditions and ensure that your speed is low
enough for an emergency stop.
- Reduce speed prior to turns to avoid risk of overturning.
- Always keep towing vehicle in gear to provide engine braking when going downhill. Do not
coast.
- Do not drink and drive!
• Comply with state and local laws governing highway safety on public roads.
• Use approved accessory lighting, flags and necessary warning devices to protect operators of
other vehicles on highway during transport. Various safety lights and devices are available
from your dealer.
• Local laws should be checked for all highway lighting and marking requirements.
• Plan your route to avoid heavy traffic.
• Beasafe andcourteousdriver.Alwaysyieldto oncomingtrafficinallsituations,including narrow
bridges, intersections, etc.
• Be observant of bridge loading ratings. Do not cross bridges rated lower than the gross weight
at which you are operating.
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