11-05 BH20030, Rev 0
DOING OUR BEST TO PROVIDE YOU THE BEST
|
DA66B |
|
BRAKE ACTUATOR |
|
OPERATORS MANUAL |
ASSEMBLY |
READ complete manual CAREFULLY |
CALIBRATION |
BEFORE attempting operation. |
OPERATION |
|
REPLACEMENT PARTS |
|
DEMCO • Dethmers Mfg. Co. • 4010 320th St. • P.O. Box 189 • Boyden, IA 51234
PH: (712) 725-2311 • Toll Free: 1-800-543-3626 • FAX: 1-800-845-6420 www.demco-products.com
Page 1
DEMCO MODEL DA66B ACTUATOR
Model DA66B is a hydraulic surge brake actuator for trailers with two or four wheels. When brakes are applied on the towing vehicle, forward inertia of trailer toward towing 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.
WARNING: To Prevent Serious Injury or Death
•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.
Table of Contents |
|
General information ............................................................................................................ |
2 |
Warranty Registration ....................................................................................................... |
3-4 |
Safety, Signal Words .......................................................................................................... |
5 |
Equipment Safety Guidelines ............................................................................................. |
6 |
Safety Sign Locations ......................................................................................................... |
7 |
Safety Sign Care ................................................................................................................ |
8 |
Remember ......................................................................................................................... |
8 |
Before Operation ................................................................................................................ |
9 |
During Operation ............................................................................................................. |
9-10 |
Following Operation ........................................................................................................... |
11 |
Highway and Transport Operations ................................................................................. |
11-12 |
Performing Maintenance ................................................................................................... |
12 |
Bolt Torque ........................................................................................................................ |
13 |
DA66B Brake Actuator Parts Breakdown and Parts List ................................................. |
14-15 |
Actuator Installation and Maintenance............................................................................ |
16-17 |
Demco Brake Products Limited Warranty .......................................................................... |
18 |
Demco Brake Products Limited Warranty Cont. ................................................................ |
19 |
Page 2
|
|
Ag |
|
Warranty Registration |
|
RV |
|
Dethmers Manufacturing Company |
|
Rental |
|
|
Brakes |
|
|
4010 320th Street • Box 189 • Boyden, Iowa 51234 |
|
||
|
Marine |
|
|
Toll Free 800-54DEMCO (800-543-3626) • FAX 800-845-6420 |
|
||
www.demco-products.com |
|
Very |
|
Very |
|
||
Satisfied |
Satisfied |
Dissatisfied Dissatisfied |
|
How satisfied are you with our product?
How satisfied are you with the dealership/distributor sales staff? Dealer/Distributor Name City
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
State |
|
|
How satisfied are you with the company sales staff? |
|
|
|
|
|
|
||||||||||||||
How satisfied are you with the delivery? |
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||
Did you have any contact with a Demco Representative? |
YES |
|
NO |
|
|
|
||||||||||||||
If YES, how satisfied were you? |
|
|
|
|
|
|
|
|
|
|
|
|
|
|||||||
I would recommend this product to my family and friends. |
YES |
|
NO |
|
|
|
||||||||||||||
Would you purchase again from DEMCO? |
|
|
|
|
|
|
|
YES |
|
NO |
|
|
|
|||||||
Since taking delivery, have you been contacted by the dealer? |
YES |
|
NO |
|
|
|
||||||||||||||
Did you have any problems with this DEMCO product? |
YES |
|
NO |
|
|
|
||||||||||||||
If YES, are you satisfied with the company’s resolution of your problem? |
|
|
|
|
|
|
||||||||||||||
Why did you purchase this product? |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||
Please list the specific source of information prompting this purchase. |
|
|
|
|
|
|
||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||
After purchasing this product, do you see any needed product improvement? |
|
If yes, what improvement? |
|
|
||||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||
What other products would you like to see DEMCO offer? |
|
|
|
|
|
|
||||||||||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Comments |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|||
Owner’s Name: |
|
|
|
|
Mailing Address: |
|
|
|
|
|
|
|
||||||||
City: |
|
State: |
|
|
Zip Code: |
|
|
|
|
|||||||||||
Model#: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||
Serial #: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||
Purchase Date: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||
Owner’s Signature: |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||||||
Please return to DETHMERS MFG. CO. By FAX or tri-folding this form to the backside, it is pre-addressed.
Page 3
Postage
Dethmers Manufacturing Company
4010 320th Street, Box 189
Boyden, Iowa 51234
Page 4
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 safety messages. Appropriate signal word for each has been selected 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 situations typically for machine 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 not avoided, may result in minor or moderate injury.
It may also be used to alert against unsafe practices.
If you have questions not answered in this manual, require additional copies, or if your manual is damaged, 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
Page 5
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 with a safety shield removed. 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 THEY HAVE DEVELOPED A THOROUGH UNDERSTANDING OF SAFETY PRECAUTIONS AND 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.
Page 6
Loading...