Manuale d’uso / di manutenzione del prodotto 236464 del fabbricante Hitachi
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Instructions – Parts List GRACO INC.ąP .O. BOX 1441ąMINNEAPOLIS, MNą55440-1441 Copyright 2002, Graco Inc. is registered to I.S. EN ISO 9001 ST AINLESS STEEL Dura–Flo t 600 Pumps With Severe–Duty Rod and Cylinder * See page 2 for models that are certified and approved.
2 308350 List of Models Pump Part No. and Series Pump Model Displacement Pump Part No. and Series Ratio Maximum Fluid Working Pressure Maximum Air Input Pressure * 237634, Series A Bulldog r 236458, Series A 41:1 28.3 MPa, 283 bar (4100 psi) 0.7 MPa, 7 bar (100 psi) * 236464, Series A Reduced Icing Quiet Bulldog r 236458, Series A 41:1 28.
308350 3 Symbols W arning Symbol W ARNING T his 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.
4 308350 W ARNING INJECTION HAZARD Spray from the gun, hose leaks, or ruptured components can inject fluid into your body and cause extremely serious injury , including the need for amputation. Fluid splashed in the eyes or on the skin can also cause serious injury .
308350 5 W ARNING FIRE AND EXPLOSION HAZARD Improper grounding, poor ventilation, open flames or sparks can cause a hazardous condition and result in a fire or explosion and serious injury . D Ground the equipment and the object being sprayed. Refer to Grounding on page 7.
6 308350 Notes.
308350 7 Installation General Information NOTE: Reference numbers and letters in parentheses in the text refer to the callouts in the figures and the parts drawing. NOTE: Always use Genuine Graco Parts and Acces- sories, available from your Graco distributor .
8 308350 Installation System Accessories (continued) W ARNING A bleed-type master air valve (E) and a fluid drain valve (M) are required in your system.
308350 9 Installation 04496 Fig. 2 KEY A Pump B W all Bracket C Pump Runaway V alve D Air Line Lubricator E Bleed-T ype Master Air V alve (required, for pump) F Pump Air Regulator G Air Manifold H Ele.
10 308350 Operation/Maintenance Pressure Relief Procedure W ARNING INJECTION HAZARD The system pressure must be manually relieved to prevent the system from starting or spraying accidentally . Fluid under high pressure can be injected through the skin and cause serious injury .
308350 11 Operation/Maintenance Flush the Pump Before First Use The pump is tested with lightweight oil, which is left in to protect the pump parts. If the fluid you are using may be contaminated by the oil, flush it out with a compatible solvent. See Flushing on page 12.
12 308350 Operation/Maintenance Shutdown and Care of the Pump 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 10.
308350 13 T roubleshooting Chart 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 10. 1. Relieve the pressure. 2. Check all possible causes and problems before disassembling the pump.
14 308350 Service Required T ools D Set of adjustable wrenches D Large pipe wrench D 2–3/4 in. socket wrench D T orque wrench D Rubber mallet D O-ring pick D Large vise D Plastic or wooden block, approximately 6 in. square x 1 in. thick D Thread lubricant D Thread sealant Disconnecting the Displacement Pump 1.
308350 15 Service 04377 Fig. 4 101 109 108 107 105 106 11 0 8 1 2 1 V U W 3 3 Model 237634 Shown 1 2 T orque to 195–210 N S m (145–155 ft-lb) 3 T orque to 68–81 N S m (50–60 ft-lb) T orque to .
16 308350 Service DISPLACEMENT PUMP SER VICE Disassembly When disassembling the pump, lay out all the removed parts in sequence, to ease reassembly . NOTE: Packing Repair Kits are available. For the best results, use all the new parts in the kit. Kit parts are marked with an asterisk, for example (3*).
308350 17 Service CAUTION T o reduce the possibility of costly damage to the rod (1) and cylinder (2), always use a plastic or wooden block to help drive the rod out of the cylin- der . Never hit the rod with a hammer . 5. T urn the cylinder (2) upside down and strike the top of the rod (1) on a plastic or wooden block until the piston comes free.
18 308350 Service Reassembly 1. If it was necessary to remove the piston ball housing (9) from the displacement rod (1), clean the threads of the rod and the ball housing, and apply thread sealant.
308350 19 Service 05468 Fig. 9 1 *1 1 5 13* 10 9 D E T P 8 6 2 *30 *12 7 8 (Ref) *4 *19 *3 6 (Ref) 9 (Ref) 2 (Ref) 10 (Ref) *3 *19 *4 7 (Ref) *1 1 (Ref) 4 4 4 4 5 3 3 2 1 8 Throat Packing Detail (Displacement Pump 236458 Shown; see page 24 for options.
20 308350 Service 9. Install the seal (30*) on the intake valve (5). Lubri- cate the seal and the threads of the intake valve. 10. One end of the intake housing (7) has a rounded ball cavity (S) on the inside (see Fig. 9). Install the ball (13*) in this cavity , then screw the intake valve (5) into the intake housing handtight.
308350 21 Parts Part No. 237634 Pump, Series A 41:1 Ratio, with Bulldog Air Motor Ref. No. Part N o. Description Qty . 101 208356 AIR MOT OR, Bulldog See 307049 for parts 1 102 Y 176529 LABEL, warning 1 105 { 190000 ROD, tie; 224 mm (8.
22 308350 Parts Part No. 686615 Pump, Series A 25:1 Ratio, with Senator Air Motor 101 { 105 102 Y 9204A 107 { 106 { 11 0 { 109 { 108 These parts are included in Connection Kit 235417. For applications requiring stainless steel tie rods, order Connection Kit 235418.
04371A Throat Packing Stack (see page 24) Piston Packing Stack (see page 24) 6 1 5 7 13* 10 17 2 12* 9 30* *1 1 8 *1 1 308350 23 Parts NOTE: The parts listed on this page are common to all displacement pumps covered in this manual. Refer to page 24 for the dif ferent packing configurations available.
24 308350 Packing Kits Leather Packing Kit 237234, for Standard Displacement Pump 236458, Series A Ref Part No. No. Description Qty 3* 184222 GLAND, male; stainless steel 2 4* 184172 GLAND, female; stainless steel 2 18* 109302 V -P ACKING; PTFE r 2 19* 184302 V -P ACKING; leather 8 * Kit also includes items 1 1, 12, 13, and 30 (see page 23).
308350 25 T echnical Data W ARNING Be sure that all fluids and solvents used are chemically compatible with the Wetted Parts listed below . Always read the manufacturer ’s literature before using fluid or solvent in this pump. Category Data Maximum fluid working pressure 28.
26 308350 T echnical Data 0 1000 2000 3000 4000 5000 0.0 0.5 1.0 1.5 2.0 2.5 3.0 FLUID FLOW (NO. 10 WEIGHT OIL) gpm liters/min cycles/min scfm m # /min 100 7.6 2.80 13 52 78 65 A B C A B C 14.0, 140 200 5.60 1 1.4 3.8 50 1.40 150 4.20 250 7.00 39 60 7.
308350 27 Dimensions 04373 Model 237634 Shown A B C D E F G H Mounting Hole Layout 101.6 mm (4.0”) 50.8 mm (2.0”) 88 mm (3.464”) 94.28 mm (3.712”) 1 1.1 mm (0.437”) DIA (4) 94.28 mm (3.712”) 0653 Three M16 x 2.0 Holes Pump Model A B C D E F G H 237634 1 105 mm (43.
28 308350 Graco Standard W arranty Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale by a n 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 Hitachi 236464 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 Hitachi 236464 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Hitachi 236464 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Hitachi 236464 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Hitachi 236464, 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 Hitachi 236464.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Hitachi 236464. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Hitachi 236464 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.
