Manuale d’uso / di manutenzione del prodotto 224892 del fabbricante Graco
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Instructions–Parts List 308178F ENG Important Safety Instructions Read all warnings and instructions in this manual. Save these instructions. Dynamic Surge Suppressor For use with double-diaphragm pumps and low-pressure reciprocating pumps. For professional use only .
2 308178 Symbols W arning Symbol W ARNING This symbol alerts you to the possibility of serious injury or death if you do not follow the instructions. Caution Symbol CAUTION This symbol alerts you to the possibility of damage to or destruction of equipment if you do not follow the instructions.
3 308178 TOXIC FLUID HAZARD Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin, inhaled, or swallowed. D Know the specific hazards of the fluid you are using. D Store hazardous fluid in an approved container .
4 308178 Installation System Pressure The maximum fluid working pressure of this surge suppressor is 100 psi (0.7 MPa, 7 bar) at 100 psi (0.7 MPa, 7 bar) incoming air pressure. Never exceed 100 psi (0.7 MPa, 7 bar) fluid or air pressure to the surge suppressor .
5 308178 Installation The installation shown below is only a guide for selecting and installing system components; it is not an actual system design. Contact your Graco distributor for assistance in planning a system to suit your needs.
6 308178 Installation General Information The surge suppressor uses air pressure and a diaphragm to maintain a consistent fluid outlet pressure from a double diaphragm or low-pressure reciprocating pump. During normal flow , the suppressor air pressure and fluid pressure are in equilibrium.
7 308178 Operation and Maintenance Operating the Surge Suppressor 1. Be sure the system is properly grounded. Read and follow FIRE AND EXPLOSION HAZARD , on page 3. 2. Check all fittings to be sure they are tight. Be sure to use a compatible liquid thread sealant on all male threads, and do not overtighten the fittings into the pump.
8 308178 T roubleshooting W ARNING T o reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 4. Relieve the pressure. Check all possible problems and causes before disassembling the pump or surge suppressor .
9 308178 Service Servicing the Shaft O-Rings 1. Relieve the pressure. W ARNING T o reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 4. 2. Place a container under the surge suppressor , disconnect the hoses, and turn the surge suppressor on end to drain the fluid.
10 308178 Service 6. Place the o-ring (15*) on the bolt (14). Install the lower diaphragm plate (12), with the flat side facing down. 7. Install the diaphragm (13**), making certain that the side marked AIR SIDE is facing up on the bolt. On Models 224892 and 224894 only , install the PTFE diaphragm (21**) first, then the backup diaphragm (13**).
11 308178 Service 0905 8 6 9 Chamfer faces out 3 ***16 16*** 7 1 *15** 13** 19* Lubricate with lithium-based grease 11 T orque to 10 to 15 in-lb (1.1 to 1.7 N-m) 2 T orque to 3 to 6 ft-lb (4 to 8 N-m) 31 T orque to 5 to 7 ft-lb (7 to 10 N-m) 14* Apply sealant to threads.
12 308178 Parts Drawing 2 T orque to 3 to 6 ft-lb (4 to 8 N.m) Model 224892, Series A, aluminum surge suppressor with PTFE diaphragm Model 224893, Series A, aluminum surge suppressor with buna–N dia.
13 308178 Parts Lists Model 224892, Series A aluminum surge suppressor with PTFE diaphragm Model 224893, Series A aluminum surge suppressor with buna–N diaphragm Ref Part No. No. Description Qty 1 100307 NUT , hex; 3/8–16 unc–2b 4 2 100003 BOL T , cap, hex hd; 3/8–16 unc–2a x 1.
14 308178 Repair Kits Repair Kits must be purchased separately . Use only genuine Graco parts and accessories . The Ref. No. shown in the kits below correspond to the reference numbers used in the Parts List on page 13. For the best results, use all the parts in the kit, even if the old parts still look good.
15 308178 Dimensional Drawing 0903 height: 8.78 in. (223 mm) width across clamp: 7.38 in. (187.5 mm) inlet-to-outlet length: 7.74 in. (196.6 mm) total length: 8.
16 308178 T echnical Data Maximum fluid working pressure 100 psi (0.7 MPa, 7 bar) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Air pressure operating range 25 to 100 psi (0.18 to 0.7 MPa, 1.75 to 7 bar) .
17 308178 Notes.
18 308178 Notes.
19 308178 Notes.
20 308178 Graco Standard W arranty Graco warrants all equipment manufactured by Graco and beari ng its nam e to be free from defects in material and workmanship on the da te of sale by an authorized Graco distributor to the original purchaser for use.
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 Graco 224892 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 Graco 224892 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Graco 224892 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Graco 224892 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Graco 224892, 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 Graco 224892.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Graco 224892. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Graco 224892 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.
