Dekker Maxima-K 1 Series Installation, Operation And Maintenance Manual
                 | |
Contents | 
DEKKER Vacuum Technologies, Inc./Maxima-K/June2007 12TroubleshootingSymbols Causes Points to check and actions1. Difficult in starting,Motor circuit –breaker tripsor over-heat1. Water level too high insidewhen starting;2. Packing gland too tight;3. Belt too tight;4. Wear developing in pump;5. Discharge pressure too high;6. Failure to adjust the currentprotection of the electriccabinet.1. Start with the water level specified;2. Loosen the gland adequately;3. Loosen the belt adequately;4. Turn the rotor with force and flush with water;5. Check if the pipes and valves are too small indiameters;6. Adjust the thermal relay to the rated currentsetting.2Jamming during trial ornormal operation1.Welding slag or other foreignmatters have been drawn infrom new pipes with cominggas.2.Heavy lime deposit1. Loosen both the front and back shrouds, turnthe rotor and flush it with water until it rotatefreely and then secure them. In case of failure,open it for checking.2. Dismantle for cleaning or acid washing.3 Pump capacity low.Vacuum degree low.1. Speed low due the beltslippage;2. Insufficient water feed or watertoo hot;3. Leakage occurring in thesystem;4. Excessive clearance in thepump due to excessivecorrosive allowance orcorrosive substance in themedium;5. Leaks from packing seal;6. Heavy lime deposits in pump;7. Corrosion in pump;8. Axial clearance not inconformity with therequirements after repair;9. Damage to the flexible valveplate.1. Tighten the belt;2. Adjust the water flow. Check the feed pipesfor clogging;3. Check the joints for sealing;4. Clean the medium preventing solids fromentering. Replace the worn parts;5. Tighten the packing gland;6. Remove the lime deposits;7. Replace the parts if necessary;8. Calibrate the axial clearance.9. Replace the valve plate.4aUnexpected noiseAll series1. The belt too loose;2. Gas blowing and ejecting;3. Suction and discharge pipes’walls too thin;1. Tighten the belt;2. Move the discharge opening to outdoor;3. Use the pipes with thicker walls;4bUnexpected Noise2- and 3-series4. Cavitation occurring when thepump running under vacuum4. Use cooler working water or replenish gas inthe suction side; use gas ejector.5 Excessive vibration 1. The bed plate connected withfoundation badly, the anchorbolts loose;2. Misalignment1. Pour mortar around and under the base plate.tighten the bolts;2. Make re-alignment and lock.6 Bearings overheat 1. Belt too tight ;2. Misalignment of pump withmotor;3. Inadequate lubricating, thegrease too dry or too much;4. Bearings inadequatelymounted;5. Wear, rust and damagedeveloping.1. Loosen the belt adequately;2. Make re-alignment;3. Improve the lubricating conditions;4. Re-mount the bearings.5. Replace the bearings. |
Related manuals for Dekker Maxima-K 1 Series
Dekker Vmax Series Installation, Operation & Maintenance Manual
Dekker VMAX SERIES Installation, Operation & Maintenance Manual
Dekker Vmax Installation, Operation And Maintenance Manual
Dekker HullVac HV55A Installation, Operation & Maintenance Manual
Dekker AquaSeal Installation & Operation Manual
Dekker RVL007 Instruction Manual
This manual is suitable for:
Maxima-K 1 SeriesMaxima-K 2 SeriesMaxima-K 3 SeriesMaxima-K DV100001K-KMaxima-K DV11002K-KMaxima-K DV13001K-KMaxima-K DV13003K-KMaxima-K DV15002K-KMaxima-K DV18001K-KMaxima-K DV2303K-KMaxima-K DV3503K-KMaxima-K DV4002K-KMaxima-K DV4003K-KMaxima-K DV4501K-KMaxima-K DV5002K-KMaxima-K DV6000K-KMaxima-K DV6503K-KMaxima-K DV7002K-KMaxima-K DV8001K-KMaxima-K DV9001K-KMaxima-K DV9003K-K
manualsdatabase
Your AI-powered manual search engine