6. VIBRATION ANALYSIS 8 MANY REF MARK USUALLY LOW GEAR NOISE RPM* GEAR TEETH 7 MANY REF MARK ERRATIC BAD BRG MANY *RPM 6 USE STOBE LIGHT TO FREEZE FAULTY BELT 1,2,3,4 UNSTEADY ERRATIC BAD DRIVE BELT 1,2,3,4*RPM 5 USE DIAL INDICATOR FOR POSITIVE DIAGNOSIS TWO MARKS LARGE IN AXIAL DIRECTION BENT,SHAFT MISALIGNMENT 2*RPM 4 USUALLY HIGH IN VERTICAL DIRECTION TWO MARKS ERRATIC LOOSENESS 2*RPM 3 SINGLE PRORRTIONAL IMBALANCE UNBALANCE 1*RPM 2 HIGH SPEED MACHINES WHERE PRESSURISED BEARING ARE USED ERRATIC OFTEN VERY SEVERE OIL WHIP OR OIL WHRIL ½ ROTIONAL SPEED 1 COMMENTS PHASE AMPLITUTE CAUSE FREQ S.N
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13. VIBRATION MEASUREMENT MONTHLY SCHEDULE FOR CRITICAL EQUIPMENTS Y OTHER PUMPS/FANS 9 Y CW PUMPS 8 Y CEP 7 Y BFP 6 Y Y SEAL AIR FANS 5 Y Y MILL GEAR BOX 4 Y Y PA FANS 3 Y FD FANS 2 Y ID FANS 1 4 TH WEEK 3 RD WEEK 2 ND WEEK 1 ST WEEK Equipment S N
14. OIL ANALYSIS MONTHLY SCHEDULE FOR CRITICAL EQUIPMENTS 5 Y BFP LUB OIL 4 Y MILL LUB OIL 3 Y ID FAN LUB OIL 2 Y Y Y Y MOT OIL 1 4 TH WEEK 3 RD WEEK 2 ND WEEK 1 ST WEEK EQUIPMENTS S N
15. DISSOLVED GAS ANALYSIS YEARLY SCHEDULE FOR CRITICAL TRANSFORMERS Y STATION AND OTHER TRANSFORMER 3 Y UNIT AUX TRANSFORMER 2 Y GENERATOR TRANSFORMER 1 YEARLY SIX MONTHLY EQUIPMENT S.N
16. HOT SPOT SURVEY THROUGH THERMOVISION CAMARA Y SWITCH YARD AND TRANSFORMER YARD OF STATION 1 SIX MONTHLY EQUIPMENT S.N
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18. WEAR DEBRIS ANALYSIS Y MILL GEAR BOX OIL 2 Y MOT OIL 1 ANNUALLY ONCE IN FOUR MONTH EQUIPMENT S.N
19. STANDARDS FOR CONDITIONAL MONITORING CONDITION MONITORING AND DIAGNOSTICS OF MACHINE AND PROGNOSTICS ISO 13381 3 MECHANICAL VIBRATION AND SHOCK –VIBRATION MONITORING OF MACHINE ISO 13373 2 CONDITION MONITORING AND DIAGNOSTICS OF MACHINES ,GENERAL GUIDELINE ISO 17359 1 DESCRIPTION STANDARD NO S.N
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