Operation and Maintenance Manual
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Страница 1: ...Operation and Maintenance Manual 1 13 ETA N PT TORISHIMA GUNA INDONESIA End Suction Volute Pump...
Страница 2: ...Direct coupling 1 3 Piping 2 Operation 2 1 Starting 2 2 Shutdown 2 3 Operation and Maintenance 2 3 1 General 2 3 2 Shaft seal 1 Gland packing without lantern ring 2 Gland packing with lantern ring 2 3...
Страница 3: ...temperature or others than those clearly specified in the order specification or operates outside the operating range specified there in 2 Pump damage is caused as a result improper handling and oper...
Страница 4: ...aseplate with pump and driver on the packers and check the center height of the pump Furthermore hold a level on the discharge flange to make fine adjustment of the pump horizontality in both axial an...
Страница 5: ...avoid sudden changes of cross section and use of abrupt bends in the suction piping Select the pipe size such that the flow velocity in the pipe does not exceed 3 m s 4 When the suction pipe size is...
Страница 6: ...uble of the pump In such case shut down the pump immediately without fail 5 When starting the pump after long term shut down recheck the above check items 1 and 5 then 8 to verify that the pump is abn...
Страница 7: ...in the casing cover b External flushing This flushing system is applied to such case that inclusion of external liquid in the pumping liquid is allowed In this case same of the flushing liquid flows...
Страница 8: ...Operation and Maintenance Manual 8 13 6...
Страница 9: ...trouble Also good care must be exercised to protect the pump components parts from impact and flaw in handling of them 3 2 Dismantling For dismantling the pump follow the disassembling sequence given...
Страница 10: ...ing No 63 series LLU C3 without fail and fit them in the pump shaft by shrinkage fit after warming them in heated oil of 110 C 120 C 3 Take good care not to damage each gasket and the sealed contact s...
Страница 11: ...al and occasional damage of the pump 3 The sliding end face of the mechanical seal is finished very accurately by lapping So it must be handled with good care neither to flaw nor break the sliding end...
Страница 12: ...working Check fault reset Inspect circuit Discharge failure or low water rate Imperfect priming Re priming Check whether it is caused by air suction from the gland Check air leak from the intake air l...
Страница 13: ...d to bearing by piping Checking the alignment at flange joint Change pipe support if necessary Damaged bearing Check repair or replace Overheated gland Too tightened packing ring Once loosen the gland...
