Instruction/ maintenance manual of the product 224894 Graco Inc.
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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.
An important point after buying a device Graco Inc. 224894 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Graco Inc. 224894 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Graco Inc. 224894 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Graco Inc. 224894 you will learn all the available features of the product, as well as information on its operation. The information that you get Graco Inc. 224894 will certainly help you make a decision on the purchase.
If you already are a holder of Graco Inc. 224894, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Graco Inc. 224894.
However, one of the most important roles played by the user manual is to help in solving problems with Graco Inc. 224894. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Graco Inc. 224894 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
