Viking Pump TSM275: AL-05 - Manual (Page 31)

Page 31
7.9 Trouble Shooting.
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Causes A CTION
I NCORRECT D IRECTION O F R OTATION . R EVERSE M OTOR .
P UMP N OT P RIMED . E XPEL G AS F ROM S UCTION L INE / P UMP C HAMBER & P RIME .
I NSUFFICIENT NPSH A VAILABLE .
P RODUCT V APORIZING I N S UCTION L INE .
I NCREASE S UCTION L INE & S TATIC S UCTION H EAD D IAMETER .
S IMPLIFY S UCTION L INE & R EDUCE L ENGTH . R EDUCE P UMP
S PEED & P RODUCT T EMPERATURE .
A IR E NTERING S UCTION L INE . R EMAKE P IPEWORK J OINTS .
G AS I N S UCTION L INE . E XPEL G AS F ROM S UCTION L INE / P UMP C HAMBER .
I NSUFFICIENT S TATIC S UCTION H EAD . R AISE P RODUCT L EVEL T O I NCREASE S TATIC S UCTION H EAD .
P RODUCT V ISCOSITY T OO H IGH . D ECREASE P UMP S PEED / I NCREASE P RODUCT T EMPERATURE .
P RODUCT V ISCOSITY T OO L OW . I NCREASE P UMP S PEED / I NCREASE P RODUCT T EMPERATURE .
P RODUCT T EMPERATURE T OO H IGH . C OOL P RODUCT / P UMPING C HAMBER .
P RODUCT T EMPERATURE T OO L OW . H EAT P RODUCT / P UMPING C HAMBER .
U NEXPECTED S OLIDS I N P RODUCT C LEAN S YSTEM / F IT S TRAINER O N S UCTION S IDE O F P UMP .
D ISCHARGE P RESSURE T OO H IGH C HECK F OR B LOCKAGES / S IMPLIFY D ISCHARGE L INE .
R OTORCASE S TRAINED B Y P IPEWORK . C HECK P IPE A LIGNMENT / S UPPORT P IPEWORK .
P UMP S PEED T OO H IGH D ECREASE P UMP S PEED .
P UMP S PEED T OO L OW I NCREASE P UMP S PEED
S EAL F LUSH I NADEQUATE I NCREASE S EAL F LUSH T O R EQUIRED P RESSURE / F LOW .
B EARING / T IMING G EAR W EAR R EPLACE W ORN C OMPONENTS .