Series GX15 Pneumatic Chemical Injection Pump
Operating Manual
CP-MAN-PRD-GX15
REV06
EFF. DATE 07/23/2019
Page 12 of 12
control valve. Repeat two to three times if necessary. When pump runs normal, reset pump stroke rate per
Section
on page 8.
5.2.5
Spool may be swollen
Certain chemicals introduced into the motor through the air/gas inlet may be
absorbed by the standard spool material, causing it to swell. Remove the top cover to inspect if the spool moves
with light finger pressure. If the spool does not move call CheckPoint to order an exchange.
5.2.6
Seals may be worn in the motor
If the pump has been in service for some time, the motor seals may have
worn to the point where the pump can no longer switch. If air leakage is constant during stall, worn or damaged
seals are indicated. Replace all motor seals.
5.3
Pump strokes erratically
5.3.1
Supply pressure may be fluctuating
Check supply pressure with an accurate pressure gauge to ensure
constant supply pressure. If fluctuations are observed, replace gas pressure regulator, or, if none exists, add a
pressure regulator ahead of the air/gas inlet.
5.3.2
Seals may be worn in the motor.
5.4
Chemical leakage
5.4.1
Chemical may be attacking plunger seal elastomer
A plunger seal attacked by chemical will appear
swollen or badly damaged. Contact CheckPoint or your authorized CheckPoint distributor.
5.4.2
Chemical may be attacking plunger material
The plunger will be severely worn, pitted, or corroded when
inspected.
5.4.2.1
Chemical may have abrasives suspended in it
The plunger will appear scored and the seal will appear
severely worn. CheckPoint offers high performance chemical filters appropriate for GX15 Series applications.
5.5
Other problems
If you are experiencing an operating problem not listed above, or if none of the above troubleshooting actions solve
your operating problem, please contact your Authorized CheckPoint Distributor or call CheckPoint directly at (800)
847-PUMP or (504) 340-0770. We will work to assist you determine appropriate next steps. Once CheckPoint has
had the opportunity to help you troubleshoot your problem, please keep in mind the following regarding repairs:
CheckPoint offers exchange programs to keep you in service
We will ship you a rebuilt pump, which you will be
able to install prior to sending us your existing pump. Upon receipt of your pump, we will tear it down, rebuild, and
report our findings. We offer a fixed-price exchange plan, an actual-cost plan, and a consigned exchange. Please
contact CheckPoint to learn more about our unique exchange services.
Nothing beats factory-direct repairs
Although the Series GX15 pump has been designed to be easy to operate
and repair, the best way to ensure continued reliable service is to have your pump repaired by the factory. OEM
repair services ensure CheckPoint quality and reliability.
Remember that after you repair your CheckPoint pump, it should perform like new
If your pump is anything
less than awesome, call us to determine what can be done to restore the pump to “like
-
new” performance.
Training sessions are available
CheckPoint strives to maintain excellence in all that we do & we are happy to
share. If you would like to train your employees on CheckPoint Pumps & Systems, please contact us to discuss
training options.
