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M&M Work Schedules

Wastewater Treatment Plants

Daily Equipment

Control Panels

·       Check for unusual and/or excessive heat, noises, vibrations, and odors, especially burning

·       Check switch positions

·       Check lights

·       Check gauges and meters

·       Check timers for proper settings, cycling and intervals

·       Record readings

·       Perform housekeeping -- wipe off excess oil and grease, remove debris and dispose of properly, and clean area

Motors

·       Check for unusual and/or excessive heat, noises, vibrations, paint discoloration, and odors, especially burning

·       Check oil levels

·       Perform housekeeping -- wipe off excess oil and grease, remove debris and dispose of properly, and clean area

Drives

·       Check drives for proper movement

·       Check allens for wear, rust, corrosion, and tightness

·       Check key ways for wear, rust, corrosion, and tightness

·       Check alignment

Þ    UV joints -- not straight

Þ    Couplers – straight

·       Check tension

·       Check for unusual and/or excessive heat, noises (such as squealing or banging when starting), and odors, especially burning

·       Check for vibrations, jerking, and slipping

·       Check lubrication

·       Check oil levels

·       Perform housekeeping -- wipe off excess oil and grease, remove debris and dispose of properly, and clean area

·       Check belt drives

Þ    Check belts for wear, cracking, fraying, and belt scraps

Þ    Check pulleys for corrosion, wear, broken parts, cracks, and missing pieces or pieces of the pulley in the area

·       Check chain drives

Þ    Check chain links and pins for corrosion, wear, broken parts, cracking, and missing pieces

Þ    Check sprockets and spindles for corrosion, wear, broken parts, cracks, and missing pieces

Þ    Check to see that chain and sprockets are properly meshing

·       Check universal joints and carrier bearings

Þ    Check joints for corrosion, wear, broken parts, cracks, and missing pieces

Þ    Check bearings for corrosion, wear, broken parts, cracks, and missing pieces

Þ    Check bolts for tightness

·       Check couplers

Þ    Check coupler for corrosion, wear, cracking, rubber dust, and scraps

Þ    Check spacing between coupler halves

·       Check shaft

Þ    Check shaft for corrosion, wear, cracking, twisting, pitting or bending

Þ    Check rotation

Þ    Check for side or end play

·       Check gear reduction unit

Þ    Check bearings for unusual and/or excessive heat, noises, vibrations, and odors

Þ    Check seals for leaks

Pumps

·       Check pump and bearings for unusual and/or excessive heat, noises, odors, vibrations, jerking, and slipping

Þ    Piston pump

*       Check piston face for wear, corrosion, pitting, scarring or cracking

*       Check piston movement

*       Check shear pin to see if in place or broken

*       Check oil dripper

à       Proper dripping rate according to manufacturer’s recommendations

à       Oil level in the reservoir and add when necessary

*       Check oil level and condition in piston

à       Oil should just cover the wrist pin

*       Check timer

*       Check sight glass for color, movement, and condition of sludge, and air bubbles

*       Check expansion tanks for leaks and holes

*       Check guides for wear, alignment, and tightness

*       Check piston face

*       Check block bearings for wear

*       Check eccentric for wear, shape, and movement

·       Check allens for wear, rust, corrosion, and tightness

·       Check key ways for wear, rust, corrosion, and tightness

·       Check alignment

·       Check tension

·       Check lubrication

·       Check oil levels

·       Check packing

Þ    Water seal for piston pumps

*       Check to see that water is running at all times

*       Check to see that there is enough flow to go completely around piston, but not overflow

*       Check drain to see that it is flowing and the condition of drain water

Þ    Oil seal for piston pump

*       Squirt oil around the piston several times a day for continuos operation

*       Squirt oil before each start-up and when done pumping for manual operations

*       Check drain cap for leaking

·       Check packing gland adjustment

Þ    Centrifugal pump

*       Adjust if necessary

*       Replace when gland is within 1/8” of the housing

Þ    Piston pump

*       Adjust if necessary (avoid sludge messes)

*       Replace when gland is within 1/4” of the housing

·       Check seals

Þ    Water seal

*       Check leaking rate and adjust if necessary

*       Check seal water pressure (should be at least 5 PSI greater than the pump discharge pressure)

*       Check drain to see that it is flowing and the condition of drain water

Þ    Grease seals

*       Grease when necessary

·       Check gauges

·       Check controller for proper cycling

·       Check valves

Þ    Operate check valve at least once a day

*       Clogged

*       Broken shear pin

*       Broken shaft

·       Perform housekeeping -- wipe off excess oil and grease, remove debris and dispose of properly, and clean area

Blowers and Compressors

·       Check blowers/compressors and bearings for unusual and/or excessive heat, noises, odors, vibrations, jerking, and slipping

·       Check packing

·       Check packing gland adjustment

Þ    Adjust if necessary

Þ    Replace when gland is within 1/8” of the housing

·       Check seals

Þ    Water seal

*       Check leaking rate and adjust if necessary

*       Check seal water pressure (should be at least 5 PSI greater than the pump discharge pressure)

Þ    Grease seals

*       Grease when necessary

·       Check gauges

·       Check valves

·       Check drip traps and drain when necessary

·       Check cooling water flow

·       Check for leaks (oil and gas)

·       Check temperature of lines

Þ    Lines should be too hot to touch and hold when operating correctly

·       Check pressure relief valves

·       Check allens for wear, rust, corrosion, and tightness

·       Check key ways for wear, rust, corrosion, and tightness

·       Check alignment

·       Check tension

·       Check for vibrations, jerking, and slipping

·       Check for unusual noises and odors

·       Check lubrication

·       Check oil levels

·       Perform housekeeping -- wipe off excess oil and grease, remove debris and dispose of properly, and clean area

Chemical Feeders

·       Dry feeders

Þ    Check to see that the feeder is actually delivering chemical to solution tank

Þ    Check chemical addition to mixing tank

Þ    Check water addition to mixing tank

Þ    Check water level in mixing tank

Þ    Check mixing action in mixing tank

Þ    Check condition of solution in mixing tank

Þ    If necessary, adjust feed rate to plant flow

Þ    Record pounds of chemical used

Þ    Record water usage

·       Solution feeders

Þ    Check solution level

Þ    Check condition of solution in tank

Þ    Check pump (see pump above)

Þ    If necessary, adjust feed rate to plant flow

Þ    Record drawdown

·       Check to make sure that there is actually flow, not just that the pumps are pumping

·       Perform housekeeping

Valves

·       Check position

·       Telescopic valves

Þ    Check flow

Þ    At least once a day, operate all of the way down and up to remove debris, and wash down sump

*       Record number of turns and compare with manufacturer’s specifications

·       Perform housekeeping -- wipe off excess oil and grease, remove debris and dispose of properly, and clean area

Flow Meter and Recorder

·       Check chamber

Þ    Float

*       Remove rags and scum off of the flow

Þ    Stilling Well

*       Flush

·       Check recorder

·       Check flow for unusual colors and odors

·       Check water level upstream, thru, and downstream of the flow meter

·       Check ink reservoir

·       Record flow

·       Perform housekeeping -- hose down area, wipe off excess oil and grease, remove debris and dispose of properly, and clean area

Repressurized Water System (non-potable)

·       Check pressure gauges

·       Check water level

·       Check for unusual colors and odors

·       Perform housekeeping -- wipe off excess oil and grease, remove debris and dispose of properly, and clean area

Wet Wells

·       Check wet well for debris, scum, and grease balls

·       Check flow for unusual colors and odors

·       Check water level upstream and in the wet well

·       Perform housekeeping -- hose down area, wipe off excess oil and grease, remove debris and dispose of properly, and clean area

Standby Generator

·       Check temperature

·       Check oil level

·       Check fuel tank level

·       Check battery

·       Check battery chargers

·       Check room temperature, lights, and ventilation

·       Record gauges and meters

·       Perform housekeeping -- wipe off excess oil and grease, remove debris and dispose of properly, and clean area

General

·       Enter reading and data in computer

·       Check gates and fences

Þ    Check to see that gate is locked

Þ    Check sign to see that they are still visible and readable

Þ    Check fence to see that it is still intact

 

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For more information, call 515-232-1663