HIGH DISCHARGE TEMPERATURE AND/OR HIGH FLUID TEMPERATURE
PROBABLE CAUSE
SYMPTOMS AND SOLUTIONS
;abinet panels removed. Replace all panels and ensure all sealing
surilaces and materials are satisfacto~.
;ooling water temperature is too high. Check and adjust as necessary.
;ooling radiator is dirty. Clean to ensure adequate air flow across fins.
.OWfluid level.
Add fluid to required level on reservoir.
)perating pressure is too high. Rotary screw pumps are designed to operate in
the 10” to 29.9 “ HgV range. Any operating
pressure over 10” may cause the pump to
overheat.
Lxcessive pressure in exhaust line.
Clear restrictions in exhaust line to ensure
atmospheric pressure at discharge.
FREQUENT AHUFLUID SEPARATOR CLOGGING
I
PROBABLE CAUSE
I
SYMPTOMS AND SOLUTIONS
Faulty inlet filter or inadequate filter for the
If faulty filter elements, replace them. If air
application.
filter is inadequate for the application, consult
factory for proper sizing.
/Faulty fluid filter.
/Replace fluid filter.
Fluid breakdown.
Correct the situation in accordance with the
instructions in “Fluid Breakdown” section of
this trouble-shooting guide.
Incorrect fluid separator element.
Extreme operating conditions such as high fluid
injection temperatures, high ambient
temperature with high humidity.
Use genuine Quincy replacement elements only.
Operate vacuum pump at recommended
receiver pressure and fluid injection
temperature. 140!F fluid inlet temperature
minimum. Increase fluid and filter changes.
Fluid contamination.
I
Change fluid. Service inlet filter element and
fluid filter element promptly in accordance with
the recommended maintenance schedule.
Too high fluid level in receiver.
Bring fluid level to recommended fluid level by
draining the receiver. Use the fluid level gauge
as a guide.
Page 59
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