9.2 Repairs / troubleshooting
Contents
1. Shaft seal defective Replace shaft seal Different density of Take conversion of pressure values into service pumped gas account Inquire with Service Department Change in blade profile Clean impeller check for wear and replace if Service due to soiling necessary Wrong direction of Reverse direction of rotation by interchanging Electrician rotation two connecting leads Abnormal flow Flow speed too high Clean pipes Use pipe with larger cross Operator noises section if necessary Muffler soiled Clean muffler inserts check condition and Service replace if necessary Abnormal Ball bearing lacking Regrease or replace ball bearing Service running noise grease or defective Compressor Seals on muffler Check muffler seals and replace if necessary Service leaky defective Seals in motor area Check motor seals and replace if necessary Service defective z z a WETRAVENT Lufttechnik BA_Nr BAVR venetus Version V2 0 CDN USA Albstrasse 10 D 73765 Neuhausen English IRL AUS my service wetravent com www wetr wa A Tel 0049 0 7158 98 775 972. N WETRAYVERE LUFTTECHNIK AW 9 2 Repairs troubleshooting Motor does not At least two power Eliminate interruption by fuses terminals or Electrician start no motor supply leads power supply cables noise interrupted Motor does not One power supply lead Eliminate interruption by fuses terminals or Electrician start humming interrupted power supply cables noise E rnar Impeller is jammed Open vacuum pump compressor cover Service remove foreign body clean Check or correct impeller gap setting if Service necessary Impeller defective Replace impeller Service Rolling bearing on drive Replace motor bearing or vacuum Service motor side or vacuum pump compressor bearing pump compressor side defective Protective motor Winding short circuit Have winding checked Electrician switch trips when a is Motor overloaded Reduce throttling w eri Throttling does not switched on bara a cification on Clean filters mufflers and connection pipes if Service Power necessary consumption too rating plate high Compressor is jammed See fault Motor does not start humming Service noise with cause Impeller is jammed Pump motor unit Leak in system Seal leak in the system Operator does not generate any or generates insufficient Incorrect frequency on Correct frequency Electrician aimee pump motor units with difference frequency converter
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