5. TROUBLESHOOTING
Page 17
© 2008 DH Instruments, a Fluke Company
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5.1
GENERAL INFORMATION
Numerical references in this section refer to Figure 2.
Several predictable problems can arise when using a GB-H-152 booster package. They are described
and addressed in this section.
It is recommended that individuals responsible for performing troubleshooting procedures described in
this section become familiar with the system. Please see the introductory WARNING, Section 2.3, 3.1 for
important information.
5.2
BOOSTER WILL NOT RUN
The booster is a pneumatically operated pump. The reciprocating action is caused by an imbalance of
forces within the pump due to the opposing drive air pressure and the test gas supply that is being
boosted. If the booster is not operating, it means that all forces are equal or that the pistons are seized.
•
Check that the booster drive shutoff valve (4) is open. If not, fully open the valve.
•
Check that drive air pressure supply is actually present at the DRIVE IN port (1). If not, ensure gas is
supplied at the proper pressure and flow value (see Section 2.2).
•
Check that the booster drive adjust regulator (2) is set to a pressure of 0.15 MPa (20 psig) or higher
and that minimum drive air flow requirements are met (see Section 2.2).
•
Check that the high pressure adjust regulator (6) is not closed. If closed, set it to the desired
pressure; see Section 3.2.1 or 3.3.2.
•
Check that there are no gas leaks in the drive air circuit. Repair any leaks.
•
Check that gas is not continuously venting from the booster exhaust muffler (14). If gas is venting
through the muffler, see Section 5.8.
•
Check that the booster is not in a stall state. If booster is stalled, determine reason and remedy. A stall
state occurs when the pressure in the high pressure section of the booster is equal to the pressure in the
low pressure section times the booster ratio (152:1). A stall can only occur if the high pressure circuit is
plugged. See Section 3.1.1 and Figure 2 for additional information on the gas booster.
5.3
BOOSTER RUNS TOO SLOWLY
A slow running booster can be confused with the problem described in Section 5.4. A slow running booster
means that the pump itself is running slowly which also causes the pressure to be generated slowly.
•
Check that booster drive shutoff valve (4) is fully open. If not, open valve fully.
