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USC AT500H Quick Start Manual
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MAINTENANCE - AT500H AUTO TREATER
Proper maintenance of the AT500H Treater is critical for peak performance, reliability
and accuracy of this system. The following is a guideline for the type of maintenance
and servicing that should be performed on this unit. Your environment and uses may
require additional maintenance and service beyond this list to assure a reliable and
safe unit. The operator of this unit has ultimate responsibility to identify areas of
concern and rectify them before they become a hazard or safety issue.
There is no substitute for a trained, alert operator.
Use an SAE multipurpose high temperature grease with extreme pressure (EP)
performance. Also acceptable is an SAE multipurpose lithium-based grease.
1. Use a Maintenance Checklist to keep record of all scheduled maintenance.
2. Use a hand-held grease gun for all greasing.
3. Wipe grease fitting with a clean cloth before greasing to avoid injecting dirt and grit.
4. Replace and repair broken fittings immediately.
If fittings will not take grease, remove and clean thoroughly.
NOTICE
Also clean lubricant passageway. Replace fitting if necessary.
1. Check and tighten wire connections.
2. Check quick connects on bottom of control panel.
3. Check to see if relays, timers and/or breakers are tripped.
4. Check and set the proximity switches (see page 5).
5. Check quick connects on end of Auxiliary cord.
6. Check and tighten wire connections.
7. Check relay and fuse holder.
8. Check power cords for cuts or frays and ensure ground is present.
Page 1
Do not put this unit into operation with any questionably
maintained parts. Poor performance or a hazard may occur.
GREASING
ELECTRICAL PANEL

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Summary of Contents for USC AT500H

  • Page 1 MAINTENANCE - AT500H AUTO TREATER Proper maintenance of the AT500H Treater is critical for peak performance, reliability and accuracy of this system. The following is a guideline for the type of maintenance and servicing that should be performed on this unit. Your environment and uses may require additional maintenance and service beyond this list to assure a reliable and safe unit.
  • Page 2 ATOMIZER To access the inside of the atomizer housing, disconnect the motor power cable from the atomizer motor, push up on the quick release handle and slide out the atomizer. After completing maintenance, slide the atomizer back into the operating position, pull down quick release handle to lock it in place and reconnect the motor power cord.
  • Page 3 DRIVE BELT TENSION & ALIGNMENT Power to the auger belt is transmitted through a V-belt. The V-belt drive system must be maintained at the proper belt tension and pulley alignment to obtain the desired performance and life. When maintaining the belt drive system for the electric drive model, follow this procedure: Turn motor off and unplug power cord or turn off power and lock out NOTICE...
  • Page 4 BELT TENSIONING SPECIFICATION V-Belt tensioning adjustment can be made using a tension meter or other type spring scale using the following procedure. After seating the belts in the groove and adjusting center distance so as to take up the slack in the belts, further increase the tension until only a slight bow on the slack side is apparent while the drive is operating under load.
  • Page 5: Proximity Switch Adjustment Guide

    PROXIMITY SWITCH ADJUSTMENT GUIDE If the proximity switch is not working properly, this can be caused by wear, dust, or even moisture. The first step is to clean the lens of the proximity switch. If this does not solve the problem, the next step would be to adjust the sensitivity of the proximity switch.
  • Page 6 PUMPS - PLUMBING - FLOW METER 1. Check pump in forward and reverse. 2. Make sure pump heads open and close smoothly. 3. Inspect tubing for uneven wear. Replace pump tubing often to ensure high flow rates can be achieved. 4.
  • Page 7 Only use the vinegar and water solution mixed in these proportions to clean the flow meter. Use of any other cleaners, NOTICE especially cleaners containing harsh chemicals may permanently damage the sensors and seals inside the flow meter. PUMPS - PLUMBING 10.