Manuale d’uso / di manutenzione del prodotto Brake Actuators del fabbricante Demco
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Page 1 DOING OUR BEST TO PROVIDE YOU THE BEST ASSEMBLY CALIBRATION OPERATION REPLACEMENT PARTS READ complete manual CAREFULLY BEFORE attempting operation. 1-04 BH20023, Rev 1 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.
Page 2 Model DA91 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 3 BRAKES ON DO NOT T O W BRAKES OFF T O W ABLE BH21003 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 4 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. NOTE: Unless otherwise specified, high-strength Grade 5 hex bolts are used throughout assembly of equipment.
Page 5 WELDING The weight rating of the coupler is dependent on the correct bolts being used. Y ou must use the bolts provided with the product. If you are miss- ing bolts, refer to your Operator í s Manual and ob- tain replacements from Demco, or use the exact size, grade, and number of bolts as specified.
Page 6 DEMCO MODEL DA91 BRAKE ACTUA T OR INSTALLATION (SEE PAGE 10 FOR BREAKDOWN AND REFERENCE NUMBERS) Model DA91 is completely assembled and ready to bolt or weld into place. 1 . Standard DA91 actuators come with a variety of mounting channels. (see Page 11) 2.
Page 7 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 ownerís manual.
Page 8 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 9 DEMCO BRAKE PRODUCTS - LIMITED W ARRANTY CONTINUED DISCLAIMER This warranty does not cover: a) normal wear and tear. b) road film or gravel damage to paint. c) paint. d) rust damage. e) any Demco brake product that has been loaded in excess of load capacity stated on identifica- tion label.
Page 10 ACTUA TOR P ARTS BREAKDOWN 5221 Coupler Repair Kit 2î Ball Coupler RATED AT 6000# not included 29 REF. NO. PART NO. QTY. DESCRIPTION Model 91 ACTUATOR PARTS LIST 1. 05432 1 6000# 2" Ball Coupler (zinc plated) 2. 01896 3 1/2"-13UNC x 4" Hex Head Bolt (gr.
Page 11 45 43 43 51 44 47 46 54 53 52 44 48 56 56 54 54 54 55 REF. NO. PART NO. QTY. DESCRIPTION PARTS LIST 37. 11101-?? 1 Outer Case w/ no mounts 38. 11171-?? 1 Outer Case w/ plate 39. 11163-?? 1 Outer Case w/ 50 mount 40. 11168-?? 1 Outer Case w/ 3 hole mount 41.
Page 12 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.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Demco Brake Actuators è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Demco Brake Actuators - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Demco Brake Actuators imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Demco Brake Actuators ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Demco Brake Actuators, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Demco Brake Actuators.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Demco Brake Actuators. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Demco Brake Actuators insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
