Operating instructions

MAINTENANCE
15 Apr 11 5-3
ACD-1500Degasser
ACD-1500 DEGASSER TROUBLESHOOTING
Trouble Possible Cause Remedy
Impact plate not adjusted
correctly
Increase clearance between impact plate
and riser.
Low fluid level Check that fluid level in tank is above pump
bolting flange. Raise level if necessary.
Worn pump Inspect centrifugal pump for wear. Repair or
replace pump as needed.
Low flow rate through
degasser
Inlet opening partially
blocked
Turn off unit. Thoroughly clean inlet to
remove large debris. If necessary, remove
sediment from tank bottom.
Excessive noise and/or
vibration
Pump shaft bearings worn
or require re-greasing
Re-grease bearings in accordance with
Bearing Lubrication in this section.
Replace bearings if still loose after re-
greasing.
Low air flow from
exhaust fan
Exhaust fan rotating in
reverse
Shut down electric power, and reverse any
two leads.
Improperly designed vent
line
Check and correct as necessary.
Obstructed exhaust Remove any obstruction to air flow.
Excessive blower
vibration
Loose mounting bolts or
other blower hardware
Check and correct as necessary.
Accumulation of debris on
blower wheel
Clean exhaust blower wheel.
Worn bearings Replace blower motor.
PARTS REPLACEMENT
Defective parts should be replaced as soon as possible to prevent further damage to the
equipment. Refer to the applicable drawings in Section 8 for Derrick component locations and part
numbers.