Instruction/ maintenance manual of the product 24R021 Graco
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332198C EN Instr uctions - P ar ts 2K Man ual Dispense V alve For use with two component pr oportioners to mix and dis pense beads of n on-abrasive material. For prof essional use only . Not appro ved f or use in Eur opean e xplosive atmosphere locations.
Related Manua ls 2 332198C Contents Related M anuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 W arnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Important Isocy anate (ISO) Information . . . . . . . . 5 Isocyanate Conditions .
Warnings 332198C 3 Wa r n i n g s The f ollowing w arnings are for t he setup , use, g rounding, maintenance , and repair of this equipment . The e xclama- tion point symbol ale r ts you to a gener al warning and the hazard symbols ref er to procedure-specific risks.
Warnings 4 332198C EQUIPMENT MISUSE HAZARD Misuse can cause death or serious injur y . • Do not operate the u nit when fatigued or under the influenc e of dr ugs or alc ohol. • Do not e xceed the maximum working pressure or temperature rating of the lo west rated system component.
Important Isocyanate (ISO) Information 332198C 5 Impor tant Isocy anate (ISO) Inf ormation Isocy anates (ISO) are catalysts used in two component ma terials.
Important Isocyana te (ISO) Informa tion 6 332198C Changing Materials NO TIC E Changing the material types used in your equipment requires special attent ion to av oid equipment damage and do wntime . • When changing materials , flush the equipment multiple times to ensur e it is thoroughly clean.
Installation 332198C 7 Installation 1. Relie ve all system pressure before installing the dis- pense v alve . 2. Ground t he gun through connection to a properly grounde d fluid hose and pump . See your system manual f or fur t her information . 3. Thread the ha ndle (K) onto the manif old (L).
Operation 8 332198C Operation Prime P erform this procedure whene v er air is introduced into the material lin es, such as after connecting the material supply lines to the dispense v alv e. 1. P erf or m Pressure Relief Pr ocedure on page 10. 2. If a static mix er is installed, remov e static mixer .
Operation 332198C 9 Ratio Chec king NO TE: Use ratio ch eck nozzle 2552 47 with retaining nut 512292. Purchase separ ately . The output mix ra tio of y our proportioner can be chec ked b y dispensin g the two fluid s separately out of the nosepiece into t ared cups.
Operation 10 332198C Pressure Relief Pr ocedure F ollow t he Pressure Relief Pr ocedure whene ver yo u see this symbol. This procedure describes ho w to relie v e pressure from the dispens e valv e. See the supply system manual f or instructions on relie ving pr essure from the entire sys- tem.
Maintenance 332198C 11 Install Restrictors or Plugs T wo 0.02 4 in. restrictors are installed with the gun. An e xtra 0.032 in. re strictor is included with the gun. If nec- essary , use this restrictor to balance the pr essures. Optional restrictors in various sizes are also av ailab le.
Troubleshooting 12 332198C T r oubleshooting Prob lem Cause Solution Pressure is higher on one side when setting p ressure with fu nction knob . Pump intake v alv e par tially pl ugged. Clean pump intake v alve. Air in hose. Fluid is compressib le. Purge air from hose.
Parts 332198C 13 Pa r t s --- Not f or sale. Items are shipped loose. 8 NO TE: Apply thread sealant on all tapered threa d fittings. When installing a new ball v alve (8), remo ve the acorn nuts and handle from the ball valv es (8). Keep the acorn nuts, discard the handle.
Accessories 14 332198C Accessories Restrictors 249765 Restrictor Kit Includes one each of restrictor siz es 0.018, 0.024, 0.032, 0.040, 0.062, and 0.094 in., one plug with no restri ction, package of 10 scree ns, and package of 6 o-ri ngs. 15E370 Plug Fits restrictor por t, but with minima l restriction.
Technical Data 332198C 15 T ypical Restrictor Pressure Drop Te c h n i c a l D a t a F IG . 2 Restrict or Fitting (AA) 249036 O-ring (CC) 249037 Screen (BB) Restrictors use 40 mesh screens and o-rings. Order 249037 Screens (package of 10) and 249036 O-rings (package of 6).
All written and visual data con tained in th is document reflects the late st product information available at the time of pu blica tion. Graco reserves the right to make changes at any time without notice. For patent information, see www.graco.com/pate nts.
An important point after buying a device Graco 24R021 (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 24R021 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 24R021 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Graco 24R021 you will learn all the available features of the product, as well as information on its operation. The information that you get Graco 24R021 will certainly help you make a decision on the purchase.
If you already are a holder of Graco 24R021, 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 24R021.
However, one of the most important roles played by the user manual is to help in solving problems with Graco 24R021. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Graco 24R021 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
