Teral SJ4S, Инструкция по эксплуатации

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3-5
６．Troubleshooting
If some trouble occurs in the pump，investigate the cause very thoroughly．If parts
need to be repaired or replaced，have the repair or replacement performed by a
specialist company or a service agent appointed by the manufacturer.
Fault Causes Action
Power supply fuse blown Replace with correct fuse
Disconnected or broken wires Repair or replace
Poor switch contacts Inspect contact point
Power supply voltage too low Contact electric company
Motor broken down
Bearing rusted up
Pump does not start
Foreign objects caught in
impeller
Pump must be disassembled &
inspected，so contact
specialist company
Insufficient priming water
inside casing
Prime thoroughly
Air has got into suction piping Check suction piping joints
Pump rotating in wrong direction Re-wire to obtain correct direction
Gate valve is closed Gate valve is opened
Suction head is too high
Foreign matter clogging impeller
Foreign matter clogging casing
Impeller is worn
Pump starts，
but specification
discharge volume
and head not
reached
Liner ring is worn
Rotary parts in contact
Pump must be disassembled &
inspected，so contact
specialist company
Pump poorly installed / shafts
poorly aligneds
Align correctly
Discharge volume too much
Close sluice valve until volume is
in specification range
Over fasten the gland packing
Adjust leakage amount according to
regulation
Motor overloaded
Power supply voltage too low Contact electric company
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