DemcoメーカーDA20の使用説明書/サービス説明書
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Page 1 OPERA T ORS MANUAL ACTUA T OR DA20 Dethmers Manufacturing Company Dethmers Manufacturing Company Dethmers Manufacturing Company Dethmers 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.
Page 2 NOTES.
Page 3 Model DA20 is a heavy duty 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.
Page 4 SAFETY T AKE NOTE! THIS SAFETY ALERT SYMBOL FOUND THROUGHOUT THIS MANUAL IS USED T O CALL YOUR A TTENTION TO INSTRUCTIONS INVOL VING YOUR PERSONAL SAFETY AND SAFETY OF OTHERS. F AILURE T O FOLLOW THESE INSTRUCTIONS CAN RESUL T IN INJUR Y OR DEA TH.
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. Y ou the operator , can avoid many accidents by observing and following precautions in this section.
Page 6 SAFETY SIGN LOCA TIONS 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.
Page 7 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.
Page 8 BEFORE OPERA TION: • 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.
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.
Page 10 FOLLOWING OPERA TION • 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.
Page 11 • Watch for obstructions overhead and side to side while transporting. • Always operate equipment in a position to provide maximum visibility at all times. Make allowances for increased length and weight of equipment when making turns and/or stopping.
Page 12 BOL T T ORQUE T ORQUE DA T A FOR ST ANDARD NUTS, BOL TS, AND CAPSCREWS. T ighten 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.
Page 13 Model DA20 ACTUA T OR P ARTS 5398 Master Cylinder Repair Kit (gasket 05681 included) 1 2 3 4 4 4 4 4 5 5 6 8 8 9 9 9 9 10 11 16 19 22 7 23 36 30 30 13 21 17 4 24 14 15 14 15 24 18 20 29 30 36 .
Page 14 09537 09486 03884 07718 07105 03412 03548 OUTER CASE OPTIONS.
Page 15 DEMCO MODEL DA20 BRAKE ACTUA T OR INSTALLATION Model DA20 is completely assembled and ready to bolt into place. 1. DA20 actuator comes with various mounting channels available. 2. Connect and tighten all brake lines. 3. Fill master cylinder (#18) with DOT 3 or 4 brake fluid.
Page 16 MAINTENANCE 1. Frequently check brake fluid level. (Fluid must be approved, clean and uncontaminated.) 2. Make sure actuator mounting bolts are secure. 3. Inspect actuator, replace bent, worn or damaged parts. 4. Be constantly aware of systems braking quality, make periodic checks as described in brakes owners manual.
Page 17 1. 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.
Page 18 DEMCO BRAKE PRODUCTS - LIMITED W ARRANTY CONTINUED DISCLAIMER This warranty does not cover: 1) normal wear and tear. 2) road film or gravel damage to paint. 3) paint. 4) rust damage. 5) any Demco brake product that has been loaded in excess of load capacity stated on identification label.
Page 19 NOTES.
Page 20 DETHMERS MFG. COMPANY P.O. BOX 189 4010 320th St., BOYDEN, IA. 51234 PH: (712) 725-2311 or (712) 725-2302 FAX: (712) 725-2380 TOLL FREE: 1-800-54DEMCO (1-800-543-3626) www.
デバイスDemco DA20の購入後に(又は購入する前であっても)重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります:
Demco DA20をまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはDemco DA20の技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。Demco DA20の取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。Demco DA20で得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
Demco DA20を既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はDemco DA20の不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、Demco DA20に関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちDemco DA20デバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。