Troubleshoot

This blower troubleshooting guide is designed to assist our customers. We have outlined below some common blower problems with their possible causes and remedies.

Problem	Note	Possible Cause	Solution
Low Capacity	1	Blower speed too low	Check belt drive for slippage; adjust if necessary. Check speed and compare with performance chart.
	2	Excessive pressure	Check inlet vacuum and discharge pressure; ensure protection valves are correctly set and operational. Check there is no obstruction in the pipeline, see note 3.
	3	Obstruction in piping	Check piping, filter, relief valves, isolation valves and silencer to assure an open flow path.
	4	Excessive Slip	Check internal clearances for excess ware. Contact S an A Engineering Services Ltd
Excessive Power Consumption	5	Blower speed too high	Check speed and compare with performance chart
	6	Pressure too high	See notes 2 & 3
	7	Unbalanced or rubbing impellers	Inspect outer casting for hot spots. Check drive alignment (couplings and belts)
	8	Blocked inlet filter	Clean or change filter. Contact S and A Engineering for replacement filter elements.
Excessive Heating	9	Incorrect or inadequate lubrication	Confirm correct oil specification and restore correct lubrication levels in gearcase
	10	Excessive pressure	See notes 2 & 3
	11	Drive mis-alignment	Check and realign
	12	Blower speed too low	see note 1
Vibration or Noisy Operation	13	Drive mis-alignment	See note 11
	14	Unbalance or rubbing impellers	See notes 7 & 19
	15	Worn bearings and gears	Replace worn bearings and gears. Contact S and A Engineering for blower repairs.
	16	Loose motor, blower or pipework.	Check and re-tighten bolts where loose.
Blower Seizure	17	Pressure overload	See notes 2 & 3
	18	Mis-alignment	See note 11
	19	Build up of foreign material	Clean off foreign material. Contact S and A Engineering for blower overhaul.
Drive Shaft Breakage	20	Excessive or overhanging load.	Change or repair unit, contact S and A Engineering for assistance. Check drive pulley dimensions. Realign and tension. Change drive configuration.

Blower Maintenance and Inspections

Whether your air blower needs a general overhaul, needs worn parts replacing or if your blower has completely seized and you need it repaired, we can help.

Contact Our Expert Team

Trusted by you, trusted by manufacturers

We are the UK aftersales support office for the Spanish blower manufacturer Pedro Gil SL. Manufacturer or tri-lobe roots-type pressure blowers, truck mounted blowers, bi-lobe pre-inlet cooled hi-vacuum units and screw pumps. Find out more about Pedro Gil here

We are also the UK contact office for the Danish manufacturer PAM A/S, who specialise in rotary valves, air locks, blow seals, screw conveyors, mixers and shredders.