Demco DA66B Automobile Parts User Manual
Contents
1. 5672 11993 05687 BH21004 00062 11674 95 BD21001 02384 07283 vk M MI sch JP sch sch sch JS P sch PMD sch sch H NM sch sch NON H AH NN sch 8605101 DISC BRAKE ACTUATOR PARTS DESCRIPTION 6000 2 Lever Lock Coupler Roller Front Roller Spacer 3 8 16UNC X 2 3 7 Hex Head Bolt gr 5 3 8 16UNC Stover Lock Nut 1 2 13UNC x 4 7 16 Hex Head Bolt gr 5 1 2 13UNC Nylon Insert Lock Nut Push Rod Assembly Damper Shock Rear Roller Spacer Emergency Lever Front Cover 28 Cable with S Hook amp J Hook Replacement S Hook ONLY 5 16 18UNC x 1 2 Self Tapping Screw 5 16 External Tooth Lock Washer Emergency Lever Spring Master Cylinder Cap w Diaphragm amp O ring 1 4 20UNC x 2 00 Hex Head Bolt 1 4 Spring Lock Washer Outer Case Replacement Master Cyl Gasket ONLY Master Cylinder Not sold separately Master Cylinder Disc Kit incl items w Inline Blocking Solenoid Master Cylinder Protective Boot Safety Decal See Page 7 1 4 20UNC Nut Solenoid Cover Disc Brakes Decal See Page 7 1 2 X 14 Gage Machine Washer 10mm Flat washer 5400 Emergency Lever Replacement Kit incl items w 5482 Master Cylinder Repair Kit w gasket 5696 Coupler Repair Kit lever lock Please order replacement parts by PART NO and DESCRIPTION Page 15 DEMCO MODEL DA66B BRAKE ACTUATOR A WARNING _ To Prevent Serious Injury Or Death Review all of the following instructions before installation and use o2. 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 A 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 Rep
3. DEMCO product YES NO If YES are you satisfied with the company s resolution of your problem O O O O 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 Dethmers Manufacturing Company 4010 320th Street Box 189 Boyden lowa 51234 Postage 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
4. Sign C E 8 SE TEEN 8 Before Operation az ca ecic sis sned cosciea senza canis o E EE O 9 D nng Operation TEE 9 10 Following K e Ee EE 11 Highway and Transport Operations 0 cccccccceeeeeeeeceeeeeeeeeeeeeaeeeseaeeeeeeeeeeeeaeeesenaeeeseaeees 11 12 Pororming Maintenant Aege egkee t ege DEES SE eege 12 ell ere EE 13 DA66B Brake Actuator Parts Breakdown and Parts List 14 15 Actuator Installation and Maintenance 16 17 Demco Brake Products Limited Warranty cccceeeceeeeeeeeeeeceeeeeeeeeeeeeeeeeseeeeeeeeeeeteeeaaeees 18 Demco Brake Products Limited Warranty Comte 19 Page 2 LNG Warranty Registration Dethmers Manufacturing Company 4010 320th Street e Box 189 e Boyden lowa 51234 Toll Free 800 54DEMCO 800 543 3626 e FAX 800 845 6420 www demco products com Very Very Satisfied Satisfied Dissatisfied Dissatisfied How satisfied are you with our product O O O O How satisfied are you with the dealership distributor sales staff O O O O Dealer Distributor Name City State How satisfied are you with the company sales staff O O O O How satisfied are you with the delivery O O O O Did you have any contact with a Demco Representative YES NO If YES how satisfied were you O O O O 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
5. and remove ignition key e Store unit in an area away from human activity e Do not permit children to play on or around stored unit e Make sure all parked units are on a hard level surface and engage all safety devices e Wheel chocks may be needed to prevent unit from rolling HIGHWAY AND TRANSPORT OPERATIONS e 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 Be asafe and courteous driver Always yield to oncoming traffic in all situations 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 Page 11 e Watch for obstructions overhead and side to side while transporting e Always operate equipment in a position to provide maximu
6. emergency lever press pushrod assembly rearward and hold it there while putting emergency lever through cross slot in top of outer case Emergency lever should overlap front of pushplate when assembled properly f Install new emergency lever spring 17 with bend upward using two new self tapping bolts 15 g Install emergency cable with S hook 13 by inserting S hook through hole in emergency lever 11 and squeezing hook shut h Tighten fitting 24 and brake line Make sure to use two wrenches so fitting isn t overtightened in master cylinder i Add brake fluid if necessary and bleed brake system as described per instructions 4 6 in the installation instructions Page 17 DEMCO BRAKE PRODUCTS LIMITED WARRANTY Extent and Duration of this Warranty Your Demco brake product is warranted to be free from defects in materials and workmanship under normal use and service for a period of one year after date of purchase by original owner when properly installed used and maintained by purchaser When this Demco brake product is used as part of complete Demco braking system actuators brake lines and back plates Demco warrants system to be free from defects in materials and workmanship for two years when properly installed used and maintained by purchaser Any part of Demco brake system found to be defective in materials or workmanship will be repaired or replaced at manufacturers option without charge for parts or
7. 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 Refer to your towing vehicle Owners Manual 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 A 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
8. 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 Page 9 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 OPERATE TOWING UNIT CAUTIOUSLY REDUCE SPEED TO ALLOW FOR ADDITIONAL WEIGHT OF TOWED UNIT Avoid loose gravel rocks and holes they can be dangerous for equipment operation or movement 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 Page 10 FOLLOWING OPERATION e Following operation or when unhitching stop towing vehicle set brakes shut off the engine
9. 11 05 eoeoec50e BH20030 Rev 0 eem O E TE Dethmers Manufacturing Company m DOING OUR BEST TO PROVIDE YOU THE BEST m OPERATORS MANUAL CALIBRATION BEFORE attempting operation REPLACEMENT PARTS DEMCO Dethmers Mfg Co e 4010 320th St e 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 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 A WARNING To Prevent Serious Injury or Death e Review following instructions before installation and use of hydraulic brake actuator e Dealers or distributors must review these instructions with ultimate user e Failure to follow these instructions or failure to properly maintain braking system after installation can result in loss of braking action ENEE Mine re le E 2 Warranty FROGISUAU OM EE 3 4 Safety Signal Word S ET 5 Equipment Safety Guidelines ccccececceeeeeeeeeeeeeeeeeeaeeeeeceeeeeeeeeeeesaaaeesecaeeeeseeeeeeseaaeeseaas 6 Safety SIGM LOCATIONS TE 7 Safety
10. LASS9 8 CLASS 10 9 A lb ft N m lb ft N m lb ft Mm i ae 6 9 13 10 14 16 17 Torque figures indicated are valid for 7 15 21 18 24 21 29 non greased or non oiled threads and 8 23 31 25 34 31 42 heads unless otherwise specified 10 45 61 50 68 61 83 Therefore do not grease or oil bolts or 12 78 106 88 118 106 144 capscrews unless otherwise specified 14 125 169 140 189 170 230 in this manual When using locking 16 194 263 216 293 263 357 elements increase torque values 18 268 363 ms S 364 493 by 5 20 378 513 als 689 22 516 699 702 952 GRADE or CLASS value for bolts Zi 654 886 Se Ua and capscrews are identified by their head markings k GRADE 2 GRADE 5 GRADE 8 Es J 1 CLASS 8 8 CLASS 9 8 CLASS 10 9 H N H N E amp Page 13 8605001 DRUM BRAKE ACTUATOR PARTS Do not tighten these bolts They are factory torqued and must remain loose enough to allow free coupler movement 6 ACTUATOR PARTS LIST REF NO PARTNO QTY DESCRIPTION 12190 95 B23278 12151 02166 07176 ne EN 05684 Ee Sich SEE 12193 D 05692 5398 Master Cylinder Repair Kit S gasket 09153 included 12201 95 12200 SB10555 05960 05424 05693 95 03876 00618 00057 12191 95 09153 10616 5650 B12098 05687 BH21004 6000 2 Lever Lock Coupler Roller Front Roller Spacer 3 8 16UNC X 2 3 7 Hex He
11. ad Bolt gr 5 3 8 16UNC Stover Lock Nut 1 2 13UNC x 4 7 16 Hex Head Bolt gr 5 1 2 13UNC Nylon Insert Lock Nut Push Rod Assembly Damper Shock Rear Roller Spacer Emergency Lever Front Cover 28 Cable with S Hook amp J Hook Replacement S Hook ONLY 5 16 18UNC x 1 2 Self Tapping Screw 5 16 External Tooth Lock Washer Emergency Lever Spring Master Cylinder Cap w Diaphragm amp O ring 1 4 20UNC x 2 00 Hex Head Bolt 1 4 Spring Lock Washer Outer Case Replacement Master Cyl Gasket ONLY Master Cylinder Not sold separately Master Cylinder Drum Kit incl items w Orifice Master Cylinder Protective Boot Safety Decal See Page 6 00062 1 4 20UNC Nut E coupler 7 02384 1 2 X 14 Gage Machine Washer 5696 5400 Emergency Lever Replacement Kit incl items wii Coupler Repair Kit 5398 Master Cylinder Repair Kit w gasket 5696 Coupler Repair Kit lever lock Please order replacement parts by PART NO and DESCRIPTION Page 14 lt sch AHR PO NMND sch sch AH ND sch sch NN sch AH NON DD P sch 1 Do not tighten these bolts They are factory torqued and must remain loose enough to allow free coupler movement se D 5482 Master Cylinder Repair Kit gasket 09153 included e coupler 5696 Coupler Repair Kit 12190 95 B23278 12151 02166 07176 05684 02178 12193 05692 12103 05951 12201 95 12200 SB10555 05960 05424 05693 95 03876 00618 00057 12191 95 09153 11190
12. d position set each wheels brake adjustment up 2 or 3 notches per instructions in appropriate brake cluster manual Repeat test procedure as necessary MAINTENANCE Frequently check brake fluid level Fluid must be approved clean and uncontaminated Make sure actuator mounting bolts are secure and coupler is free to telescope inside outer case Inspect actuator replace bent worn or damaged parts Be constantly aware of systems braking quality make periodic checks as described in brakes owners manual Consult certified brake specialist to make necessary adjustments or repairs Failure to do so could result in loss of braking SERVICING THE EMERGENCY LEVER If emergency lever 11 of actuator is applied it can be disengaged by using a screwdriver to lift upward on front of flat emergency lever spring 17 while pulling lever forward until released A thorough inspection of emergency lever emergency lever spring and cable with S hooks is required Damaged parts must be replaced as follows a Using two wrenches loosen brake line from fitting 24 at back of master cylinder 23 Take care not to allow fitting to become loose in master cylinder b Remove cable S hook 14 from emergency lever 11 c Remove two bolts 15 and emergency lever spring 17 d Press pushrod assembly 8 rearward to allow emergency lever 11 to pass by and remove it through cross slot in top of outer case 21 e To install new
13. e flat Emergency Lever Spring 17 Remove the Emergency Lever Spring Using short strokes pull forward on the Emergency Lever 11 pumping the Master Cylinder until the brake fluid within the Master Cylinder stops bubbling b Attach a bleeder hose to the bleeder valve on one of the wheels and submerge the other end of the hose into a clean transparent container partially filled with brake fluid Loosen the bleeder valve one turn and watching the hose in the transparent container use the Emergency Lever to pump the Master Cylinder as long as air bubbles continue to leave the hose When the bubbles stop close the bleeder valve move to the next wheel and repeat the process until all the brakes have been bled Note Check the fluid level in the Master Cylinder frequently while bleeding the brakes every 4 or 5 strokes Refill as necessary to keep the level above half full Page 16 AUN Once bleeding is completed refill master cylinder to within 1 2 of top and attach cap 18 securely Replace emergency lever spring lever guide lock washers and 5 16 hex head bolts Wipe up any excess brake fluid immediately to prevent paint damage Test brakes by pulling emergency lever 11 forward until it locks into its second notch position Lever should be approximately straight up Attempt to rotate wheels in a forward direction If any wheels rotate brakes must be adjusted To adjust brakes release emergency lever from locke
14. e necessary for periodic maintenance and servicing genuine factory replacement parts must be used to restore your equipment to original specifications Manufacturer is not responsible for damages resulting from use of unap proved parts or accessories e f equipment has been altered in any way from original design manufacturer does not accept any liability for injury or warranty e A fire extinguisher and first aid kit should be kept readily accessible while performing maintenance on this equipment Page 12 BOLT TORQUE TORQUE DATA FOR STANDARD NUTS BOLTS AND CAPSCREWS Tighten all bolts to torques specified in chart unless otherwise noted Check tightness of bolts periodically using bolt chart as guide Replace hardware with same grade bolt NOTE Unless otherwise specified high strength Grade 5 hex bolts are used throughout assembly of equipment Bolt Torque for Standard bolts A Torque Specifications GRADE 2 GRADE 5 GRADE 8 A lb ft Mm lb ft Mm lb ft Nam 1 4 6 8 9 12 12 ue 5 16 10 13 18 25 25 35 3 8 20 27 30 40 45 60 7 16 30 40 50 70 80 110 1 2 45 60 75 100 115 155 9 16 70 95 5 8 95 130 150 200 225 300 3 4 165 225 290 390 400 540 7 8 170 230 420 570 650 880 1 225 300 630 850 970 1310 115 155 165 220 Bolt Torque for Metric bolts CLASS 8 8 C
15. e of transporting product to dealer and expense of returning product mechanics travel time telephone telegram fax overnight delivery or postage charges road service towing charges rental during time warranty repairs are being performed travel lodging loss or damage to personal property or loss of revenue or earnings Limitations of Implied Warranties All implied warranties if any expire and terminate upon expiration of this warranty Some states do not allow limitation on how long an implied warranty lasts so this limitation may not apply to you Limitation of Consequential Damages Warrantor s responsibility under this warranty extends solely to repair or replacement of your Demco brake product and its component parts Warrantor does not assume responsibility for nor shall it be liable for any special incidental or consequential damages Some states do not allow exclusion or limitation of incidental or consequential damages so above exclusion or limitation may not apply to you Purchasers Rights This warranty gives you specific legal rights and you may also have other rights which vary from state to state Exclusive Warranty This is the only express warranty made by Dethmers Manufacturing Co on your Demco product and no agent employee or other person is allowed to change or add to this warranty This war ranty extends solely to repair or replacement of your Demco brake product and its component parts Warranto
16. f 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 which could cause severe property damage personal injury or death A WARNING To avoid personal injury or death do not exceed lowest of 1 the rated capacity of Model DA66B actuator or 2 rated capacity of ball and hitch being used or 3 trailer s Gross Vehicle Weight Rating GVWR Model DA66B brake actuator has a maximum load rating of 6000 Ibs GVWR and 600 Ibs tongue load To avoid personal injury or death Do not weld on the outer case without A CAUTION disassembling actuator The excessive heat may cause the actuator not to function properly INSTALLATION The Model DA66B is completely assembled and ready to bolt into place 1 Bolt the actuator to 3 square tongue with two 1 2 x 4 1 2 bolts Gr 5 and 1 2 nylon insert lock nuts Thin wall tongues require 3 4 O D x 11 gauge wall tubing as spacers inside the tongue Tighten bolts to 75 80 ft lbs torque Make sure coupler is free to telescope inside of outer case Connect and tighten all brake lines Fill the Master Cylinder 23 with DOT 3 or 4 brake fluid Bleed the brake system using a pressure type brake bleeder or manually as follows a Remove the two Self Tapping Screws 15 and Lock Washers 16 that hold th
17. labor to original owner Manufacturer and Warrantor of Brake Actuator Dethmers Manufacturing Co 4010 320th Street P O Box 189 Boyden IA 51234 712 725 2311 Repair or Replacement Procedure If your Demco brake product develops a defect during warranty period promptly notify Dethmers Manufacturing Co customer service department Until such notice is received warrantor will not be responsible for any repair or replacement Upon receipt of timely notice from you warrantor will have a choice of options in replacing any part it determines to be defective a Warrantor may require you at your own expense to deliver or ship part to its factory or authorized dealer Any defective part will be repaired or replaced and returned to you or your authorized dealer free of charge Any part returned to warrantor and found not to be defective will be returned to you freight collect with explanation b Warrantor may ship a new part to dealer to be exchanged free of charge for defective part returned by you c Warrantor may ship or deliver a replacement part to you at your address Limitations on Warranty Coverage Coverage under this warranty will be effective only when a copy of original invoice showing date and location of purchase accompanies any claim for warranty Warrantor has no liability whatsoever and this warranty is null and void if any Demco brake product has been misassembled or subjected to damage or neglect negligence
18. lace 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 UNTILTHEY 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 A SAFETY SIGN LOCATIONS Types of safety sign and locations on equipment are shown in illustration below Good safety 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 DRUM BRAKES This decal is located in the Preset position shown on both Fasteners sides of the actuator The DO NOT adjust replacement part number without for two decals is BH21004 factory specifications DISC BRAKES This decal is located in the position shown on both sides of the actuator The replacement part number for one decal is BD21001 Page 7 ATTENTION use with disc brake
19. m visibility at all times Make allowances for increased length and weight of equipment when making turns and or stopping A PERFORMING MAINTENANCE e Carefully review and follow the maintenance instructions on page 17 of this manual e Good maintenance is your responsibility Poor maintenance is an invitation to trouble e Make sure there is plenty of ventilation Never operate engine of towing vehicle in a closed building Exhaust fumes may cause asphyxiation e Before working on this unit stop towing vehicle set parking brakes shut off engine and remove ignition key e Be certain all moving parts and attachments have come to a complete stop before attempting to perform maintenance e Always use safety supports and block wheels Never use a jack to support unit e Always use proper tools or equipment for job at hand e Use extreme caution when making adjustments e Follow torque chart in this manual when tightening bolts and nuts e Openings in skin and minor cuts are susceptible to infection from brake fluid Without immediate medical treatment serious infection and reactions can occur e Replace all shields and guards after servicing and before moving e After servicing be sure all tools parts and service equipment are removed e Do not allow grease or oil to build up on the actuator e When replacing bolts refer to owners manual e Refer to bolt torque chart for head identification marking e Where replacement parts ar
20. misuse accident or operated in any way contrary to operating and maintenance instructions as specified in Demco owners manual for that product This warranty does not cover any product that has been altered or modified so as to affect the product s operation performance or durability or that has been modified to change intended use of product In addition warranty does not extend to repairs made necessary by abnormal use damage unreasonable use including failure to provide reasonable and necessary maintenance or by use of parts accessories or other equipment which are incompatible with Demco brake products or affect its operation performance or durability Page 18 DEMCO BRAKE PRODUCTS LIMITED WARRANTY CONTINUED This warranty does not cover normal wear and tear road film or gravel damage to paint paint rust damage any Demco brake product that has been loaded in excess of load capacity stated on identification label Accessory parts materials or components Warrantor has a policy of continuous product improvement We reserve the right to change or improve design of any Demco brake product including but not limited to state of the art changes without assuming any obligation to modify any product previously manufactured Warrantor assumes no responsibility to owner for loss of use of product loss of time inconvenience or other damage consequential or otherwise including but not limited to expense for gasoline expens
21. r does not assume any liability or responsibility not expressly covered by this limited warranty This warranty supersedes all prior warranties written or implied DISCLAIMER No other express warranty has been made or will be made on behalf of warrantor with respect to Demco brake product or its instruction operation repair or replacement Warrantor shall not be responsible for damage loss or damage to personal property whether direct or indirect and whether arising in contract or tort Page 19 DETHMERS MFG COMPANY P O BOX 189 4010 320th St BOYDEN IA 51234 PH 712 725 2311 FAX 712 725 2380 TOLL FREE 1 800 54DEMCO 1 800 543 3626 www demco products com
22. s ONLY Any replacement of this unit MUST be of thesame design REV1 BD21001 E EE This brake actuator is specially designed for A SAFETY SIGN CARE e Keep safety signs clean and legible at all times e Replace safety signs that are missing or have become illegible e Replacement parts that displayed a safety sign should also display safety sign e Safety signs are available from your distributor dealer parts department or factory How to install safety signs e 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 A 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 Page 8 A BEFORE OPERATION Carefully review and follow the installation instructions on page 16 of this manual Carefully study and understand this manual Always wear protective clothing and substantial shoes Give equipment a visual inspection for any loose bolts worn parts
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