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DIVISION OF ADVANCED SYSTEMS TECHNOLOGY, INC.
290 Pinehurst Drive • Huntsville, Alabama 35806
P.O. Box 1607 • Huntsville, Alabama 35807
Telephone: (256) 721-9090 • Fax (256) 721-9091
Call Toll Free: 1-800-253-2583
TROUBLES AND CURES
TROUBLES CAUSES
CURES
The pump doesn’t reach the
required pressure
• valves have worn seats
• suction hose with air pockets or irregular elbows
• worn nozzles or with wrong diameter
(see chart)
• Clogged strainer
• check valves
• check hoses
• check nozzles
• clean strainer
The pressure gauge fluctuates
• pump is sucking air, or air hasn’t been evacuated completely
• valves blocked
• start pump with the gun open, to evacuate
the air and commutate
• clean and change valves
Oil is changing color into white
• Diaphragm failures. Stop pump immediately.
• Drain the pump of oil. Dismantle the head
and change diaphragms. Fill to the correct
oil level.
Output drops and the pump is
noisy
• oil level is too low
• top up with oil to correct level (halfway of
the sump), when pump is operating
Oil comes out of the discharge
pipe
• one or more diaphragms are broken
• Drain the pump of oil. Dismantle the head
and change diaphragms. Fill to the correct
oil level.
The pressure gauge fluctuates
The liquid flow is irregular
• the air in the pulsation-damper is incorrectly set
• check pressure in pulsation damper (see
chart)
THIS WARRANTY IS IN LIEU OF ALL OTHER WRITTEN OR EXPRESS WARRANTIES AND REPRESENTA-
TIONS. ANY IMPLIED WARRANTIES INCLUDING MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR
PURPOSE ARE EXPRESSLY LIMITED TO THIS WRITTEN WARRANTY. CDS-JOHN BLUE COMPANY SHALL
NOT BE LIABLE FOR CONSEQUENTIAL DAMAGES.
Use of this product for any purpose other than its original intent, abuse of the product, and/or any modification to the
original product is strictly prohibited by the manufacturer, CDS-John Blue Company. Any modification to the product
should be approved by CDS-John Blue Company prior to use. CDS-John Blue Company will deny Warranty claims and
liability in 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 be
free from defects in material and workmanship under normal use and service. This obligation of CDS-John Blue Company
under this warranty is limited to the repair or replacement of defective parts or correction of improper workmanship of
any parts of such equipment which shall within one year from the date of CDS-John Blue’s original delivery thereof, be
returned to CDS-John Blue’s factory, transportation charges prepaid and which CDS-John Blue Company shall determine
to its satisfaction upon examination thereof to have been thus defective. When it is impractical to return the defective parts
of such equipment to CDS-John Blue’s factory, then CDS-John Blue shall have no liability for the labor cost involved in
repairing or replacing any such parts and shall be liable solely for supplying the material necessary to replace or repair the
defective parts, provided that prior thereto CDS-John Blue Company shall have determined to its satisfaction that any such
parts are thus defective.
This warranty shall not apply to any equipment which shall have been repaired or altered outside CDS-John Blue’s factory
in any way so as to affect its durability, nor which has been subjected to misuse, abuse, negligence or accident, or operated
in any manner other than in accordance with operating instructions provided by CDS-John Blue Company. This warranty
does not extend to repairs made necessary by the use of inferior or unsuitable parts or accessories, or parts or accessories not
recommended by CDS-John Blue Company.
CDS-John Blue Company makes no warranties in respect to parts, accessories or components not manufactured by
CDS-John Blue Company, same ordinarily being warranted separately by their respective manufacturers.
DIVISION OF ADVANCED SYSTEMS TECHNOLOGIES
HUNTSVILLE, AL (256) 721-9090
165 Electronics Blvd., Huntsville, AL 35824
DIVISION OF ADVANCED SYSTEMS TECHNOLOGY, INC.
