DP-392.1 DIAPHRAGM PUMPParts & Instruction Manual
7-M-44 REV 4/12
Price $10.00
CDS-JOHN BLUE COMPANYDIVISION OF ADVANCED SYSTEMS TECHNOLOGY, INC.
290 Pinehurst Drive • Huntsville, Alabama 35806P. O. Box 1607 • Huntsville, Alabama 35807
Telephone: (256) 721-9090 • FAX (256) 721-9091 • Call Toll Free: 1-800-253-2583
2
WARNING
DP-392.1 PUMP DIMENSIONS
3
or combustible fluids.
4
WARNING: USE OF THIS PRODUCT FOR ANY PURPOSES OTHER THAN ITS ORIGINAL INTENT, ABUSE OF THEPRODUCT, AND/OR MODIFICATION TO THE ORIGINAL PRODUCT IS STRICTLY PROHIBITED BY CDS-JOHN BLUECOMPANY. CDS-JOHN BLUE COMPANY RESERVES THE RIGHT TO DENY WARRANTY OR LIABILITY CLAIMS INANY/ALL SITUATIONS INVOLVING MISUSE, ABUSE OR MODIFICATION.
THE ORIGINAL INTENT OF THIS PRODUCT DOES NOT INCLUDE USE WHERE THE MAXIMUM ALLOWED SPEED,PRESSURE, OR TEMPERATURE IS EXCEEDED, AND IT DOES NOT INCLUDE APPLICATION UTILIZING FLUIDSTHAT ARE NOT COMPATIBLE WITH THE PRODUCT’S COMPONENT MATERIALS. DO NOT USE THIS PRODUCTWITH FLAMMABLE OR COMBUSTIBLE FLUIDS SUCH AS GASOLINE, KEROSENE, DIESEL, ETC.…, AND DO NOTUSE IN EXPLOSIVE ATMOSPHERES. FAILURE TO FOLLOW THIS NOTICE MAY RESULT IN SERIOUS INJURY AND/ORPROPERTY DAMAGE AND WILL VOID THE PRODUCT WARRANTY. IF IN DOUBT ABOUT YOUR APPLICATION,CONTACT YOUR STOCKING DEALER OR THE CDS-JOHN BLUE TECHNICAL STAFF AT 1-800-253-2583.
5
6
After use, in order to prevent damage, flush pump and let operate for a few minutes at working pressure witha solution that will neutralize the liquid last pumped (refer to that manufacturer’s instructions). Afterward empty thepump, so that the pressure drops to zero (“0”), and then let the pump run without liquids for two minutes.To protect pump from freezing, flush pump per instructions above (after use) and then flush with straightRV-antifreeze. Empty the pump per the instructions above.
7
8
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392.
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❖❖
❖❖
DIAP
HRAG
M P
UMP
MOD
EL D
P-39
2.1
PART
S LI
ST❖
Pum
p Re
pair
Kit O
rder
DP-
4198
9297
Valv
e Ki
t Ord
er D
P-41
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97
PART
ITEM
NUM
BER
DESC
RIPT
ION
QTY
❖ ❖❖ ❖ ❖
❖ ❖ ❖ ❖ ❖ ❖
TROUBLES AND CURESTROUBLES CAUSES CURES
The pump doesn’t reach therequired pressure
The pressure gaugefluctuates
The liquid flow is irregular
Output drops and the pumpis noisy
Oil comes out of thedischarge pipe
Oil is changing color intowhite
• valves have worn seats• suction hose with air pockets or irregular
elbows• worn nozzles or with wrong diameter
(see chart)• Clogged strainer
• pump is sucking air, or air hasn’t beenevacuated completely
• valves blocked
• the air in the pulsation-damper is incorrectlyset
• oil level is too low
• one or more diaphragms are broken
• Diaphragms failures. Stop pump immediately.
• check valves• check hoses
• check nozzles
• clean strainer
• start pump with the gun open, to evacuate theair and commutate
• clean and change valves
• check pressure in pulsation damper (see chart)
• top up with oil to correct level (halfway of thesump), when pump is operating
• Drain the pump of oil. Dismantle the head andchange diaphragms. Fill to the correct oil level.
• Drain the pump of oil. Dismantle the head andchange diaphragms. Fill to the correct oil level.
CDS-JOHN BLUE COMPANYDIVISION OF ADVANCED SYSTEMS TECHNOLOGY, INC.290 Pinehurst Drive • Huntsville, Alabama 35806P. O. Box 1607 • Huntsville, Alabama 35807Telephone: (256) 721-9090 • FAX (256) 721-9091 • Call Toll Free: 1-800-253-2583
THIS WARRANTY IS IN LIEU OF ALL OTHER WRITTEN OR EXPRESS WARRANTIES AND REPRESENTATIONS. ANYIMPLIED WARRANTIES INCLUDING MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE AREEXPRESSLY LIMITED TO THIS WRITTEN WARRANTY. CDS-JOHN BLUE COMPANY SHALL NOT BE LIABLE FORCONSEQUENTIAL DAMAGES.Use of this product for any purpose other than its original intent, abuse of the product, and/or any modification to theoriginal product is strictly prohibited by the manufacturer, CDS-John Blue Company. Any modification to the product shouldbe approved by CDS-John Blue Company prior to use. CDS-John Blue Company will deny Warranty claims and liabilityin any situation involving misuse, abuse or modification.Each new machine or component manufactured by CDS-John Blue Company through original buyer is warranted by CDS-John Blue Company to buyer and to any party or parties to whom buyer may resell, lease or lend the equipment to befree from defects in material and workmanship under normal use and service. This obligation of CDS-John Blue Companyunder this warranty is limited to the repair or replacement of defective parts or correction of improper workmanship of anyparts of such equipment which shall within one year from the date of CDS-John Blue’s original delivery thereof, be returnedto CDS-John Blue’s factory, transportation charges prepaid and which CDS-John Blue Company shall determine to itssatisfaction upon examination thereof to have been thus defective. When it is impractical to return the defective parts ofsuch equipment to CDS-John Blue’s factory, then CDS-John Blue shall have no liability for the labor cost involved inrepairing or replacing any such parts and shall be liable solely for supplying the material necessary to replace or repairthe defective parts, provided that prior thereto CDS-John Blue Company shall have determined to its satisfaction that anysuch parts are thus defective.This warranty shall not apply to any equipment which shall have been repaired or altered outside CDS-John Blue’s factoryin any way so as to affect its durability, nor which has been subjected to misuse, abuse, negligence or accident, or operatedin any manner other than in accordance with operating instructions provided by CDS-John Blue Company. This warrantydoes not extend to repairs made necessary by the use of inferior or unsuitable parts or accessories, or parts or accessoriesnot recommended by CDS-John Blue Company.CDS-John Blue Company makes no warranties in respect to parts, accessories or components not manufacturedby CDS-John Blue Company, same ordinarily being warranted separately by their respective manufacturers.DIVISION OF ADVANCED SYSTEMS TECHNOLOGIES HUNTSVILLE, AL (256) 721-9090
LIMITED WARRANTY