Troubleshooting

Trouble

Cause

Remedy

 

 

 

Wrong Rotation (Motor)

Wrong sequence of phases

Switch any two of the three motor leads.

Geareducer Noise

Geareducer bearings

If new, see if noise disappears after one week of operation.

 

 

Drain, flush, and refill Geareducer. See Geareducer Service

 

 

Manual. If still noisy, replace.

 

Gears

Correct tooth engagement. Replace badly worn gears. Replace

 

 

gears with imperfect tooth spacing or form.

 

 

 

Unusual Fan Drive Vibra- Loose bolts and cap screws

Tighten all bolts and cap screws on all mechanical equipment

tion

 

and supports.

 

 

 

 

Unbalanced drive shaft or worn cou-

Make sure motor and Geareducer shafts are in proper align-

 

plings

ment and “match marks” properly matched. Repair or replace

 

 

worn couplings. Rebalance drive shaft by adding or removing

 

 

weights from balancing cap screws. See Drive Shaft Service

 

 

Manual.

 

Fan

Make certain all blades are as far from center of fan as safety

 

 

devices permit. All blades must be pitched the same. See Fan

 

 

Service Manual. Clean off deposit buildup on blades.

 

Worn Geareducer bearings

Check fan and pinion shaft endplay. Replace bearings as

 

 

necessary.

 

Unbalanced motor

Disconnect load and operate motor. If motor still vibrates, rebal-

 

 

ance rotor.

 

Bent Geareducer shaft

Check fan and pinion shaft with dial indicator. Replace if neces-

 

 

sary.

Fan Noise

Loose fan hub cover

Tighten hub cover fasteners.

 

 

 

 

Blade rubbing inside of fan cylinder

Adjust cylinder to provide blade tip clearance.

 

 

 

 

Loose bolts in blade clamps

Check and tighten if necessary.

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SPX Cooling Technologies 800 user manual Manual

800 specifications

SPX Cooling Technologies 800 is a highly advanced cooling tower designed for commercial and industrial applications. This state-of-the-art equipment is recognized for its efficiency, reliability, and robust construction. The 800 model is engineered to meet the demanding needs of modern cooling processes, ensuring optimal performance in various settings.

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