Instruction and Operation Manual
57
Situation/Symptom
Possible Cause
Investigative/Corrective Action
Change of gearbox oil
from normal color to
milky pink or yellow
Gearbox oil contaminated with water or process
fluid.
Inspect gearbox heat exchanger for leakage.
Check for excessive pump seal leakage.
Inspect shaft sleeve o-rings.
Inspect that seal housing port 1 and other seal
drains are open for unrestricted seal leakage
flow.
Shaft sleeve rubs on
inside diameter of seal.
Gearbox journal bearing failure.
Install replacement exchange gearbox or
repair gearbox as outlined under
“Maintenance”
Low speed shaft seal (115) leakage.
Check drain port for leakage. Replace shaft
seal if required.
High speed shaft mechanical seal (60C) leakage.
Check upper gearbox housing drain port for
leakage. Replace shaft seal if required.
Excessive gearbox oil
consumption.
Leakage through heat exchanger into cooling fluid.
Pressure test heat exchanger and replace if
required.
High oil level.
Shut down the unit and check oil level.
Excessive oil foaming.
Low gearbox temperature. Incorrect lubricant.
Adjust coolant to heat exchanger, keeping oil
temperature above 140°F, 60°C.
High gearbox
temperature.
Heat exchanger fouled or coolant shut off.
Oil level too high.
Check coolant flow and/or clean heat
exchanger.
Check oil level and adjust.
Содержание LMV-313
Страница 1: ...SUNDYNE LMV 313 PUMPS Instruction and Operation Manual August 2007 ...
Страница 36: ...Instruction and Operation Manual 32 Figure 15 Inducer Housing Shim Adjustment ...
Страница 40: ...Instruction and Operation Manual 36 Figure 17 Service Check Points ...
Страница 69: ...Instruction and Operation Manual 65 Figure 22 Gearbox Components ...
Страница 70: ...Instruction and Operation Manual 66 Figure 23 Pump Nomenclature ...
Страница 71: ...Instruction and Operation Manual 67 Figure 24 Exploded View ...
Страница 72: ...Instruction and Operation Manual 68 Shaft Assemblies Figure 25 Shaft Assemblies ...
Страница 74: ...Instruction and Operation Manual 70 Single Seal Arrangement and Parts Figure 27 Single Seal Arrangement ...
Страница 76: ...Instruction and Operation Manual 72 Double Seal Arrangement and Parts Figure 28 Double Seal Arrangement ...
Страница 78: ...Instruction and Operation Manual 74 Tandem Seal Arrangement and Parts Figure 29 Tandem Seal Arrangement ...