Instruction and Operation Manual
59
Situation/Symptom
Possible Cause
Investigative/Corrective Action
Chemical attack of seal faces, seal parts or
o-rings.
Investigate fluid properties and determine
suitable materials for replacement.
Excessive radial high speed shaft movement.
Bent high speed shaft or severe out-of-balance.
Check high speed shaft journal bearings and
replace if necessary.
Check if damage exists on impeller and/or
inducer which will indicate that a large particle
went through the pump.
Deposits on the impeller/inducer causing
unbalance.
Damage to mechanical seal secondary seal
(Teflon® wedge or U-cup or elastomer o-ring).
Check for erosion and/or corrosion attack.
Install seal flush or double seal arrangement.
Loose stack-up of high-speed shaft attaching
components.
Check for correct impeller bolt/inducer torque.
Check for cold flow of Teflon® o-rings.
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 ...