![VERDER JEC JRZP Series Скачать руководство пользователя страница 25](http://html.mh-extra.com/html/verder/jec-jrzp-series/jec-jrzp-series_operating-and-maintenance-manual_1003761025.webp)
24
OPERATION
TROUBLESHOOTING
Problem
Cause
Solution
Pump not turning
Interruption of electrical power.
Key sheared or missing.
Coupler or belts are not connected.
Pump shaft or gears sheared.
Wrong rotation.
Relief valve not properly adjusted.
Reset circuit breaker, check fuses.
Replace.
Replace or adjust.
Replace.
Reverse.
Adjust valve.
Pump not priming
Valve closed in suction lines.
Suction line clogged or restricted.
Air leak in connections or seal.
Pump speed too slow.
Suction line does not remain flooded.
Air lock.
Excessive clearances in pump.
Net inlet pressure low.
Open valve.
Clear suction line.
Repair leak.
Increase speed.
Install foot valve.
Bleed suction line.
Replace out of tolerance parts
Increase suction pressure
Insufficient flow
Speed too low.
Air leak.
Adjust speed as required.
Repair leak.
Noisy operation
Cavitation.
Viscous product.
High vapor pressure, high temp.
Leaks in piping or pump.
Dissolved gas in product.
Mechanical noise.
Excessive weight from piping,
Pump body distorted.
Excessive discharge pressure.
Worn bearing.
Worn gears.
Rotor-to-Rotor contact.
Increase net inlet pressure.
Slow pump, reduce product.
Reduce temperature.
Repair leaks.
Reduce discharge pressure.
Check tolerances.
Support piping.
Check align and level
Reduce discharge pressure.
Replace bearing.
Replace gears
Timing rotors, replace twisted shafts,
replace worn gears.
Pump overloads
Viscosity of product higher than
expected.
Higher pressure than expected.
Reduce pump speed, increase
pipe size,
Reduce pump speed, increase
pipe size,
Play between gears
Worn gear teeth.
Gear loose on shaft.
Replace gear.
Inspect gear key, keyway and shaft.
If all are undamaged, retighten the
gear retaining nut.
Check for backlash.
If assistance is required, please contact your local sales office with the following information:
1.
Operating conditions.
2.
Accurate description of default.
3.
Model of pump and serial number.
4.
If possible, installations sketch of pump system.
Содержание JEC JRZP Series
Страница 1: ...Operating Maintenance Manual J JE EC C J JR RZ ZP P S Se er ri ie es s Circumferential Piston Pumps ...
Страница 29: ...28 PARTS LIST EXPLODED VIEW ZP015 ...
Страница 35: ...34 EXPLODED VIEW ZP030 ZP060 ZP130 ...
Страница 51: ...50 APPENDIX ...
Страница 53: ...52 ...
Страница 54: ...53 ...
Страница 55: ...54 ...
Страница 56: ...55 ...
Страница 57: ...56 ...
Страница 58: ...57 ...