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2700 Inspection and Maintenance

AbstractThis section briefly discusses cooling tower inspections and maintenance and includes a Cooling Tower Institute (CTI) checklist for inspection and a list of matenance activities for key tower components.

Contents Page

2710 Inspection 2700-2

2720 Maintenance 2700-2

Chevron Corporation 2700-1 December 1989

2700 Inspection and Maintenance Heat Exchanger and Cooling Tower Manual

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2710 InspectionCooling tower inspections are usually carried out by experienced cooling tower manufacturers or specialists. See Section 2150 for a list of possible contacts.

Included in this Section is a copy of Cooling Tower Institute’s Cooling Tower Manual, Chapter 13, “Inspection of Cooling Towers.” It includes detailed check-lists for inspection of all of the cooling tower components.

2720 MaintenanceCooling tower maintenance is normally carried out by experienced cooling towecontractors. See Section 2150 for a list of possible contacts.

Figure 2700-1 lists the common maintenance activities which should be schedufor cooling towers.

Fig. 2700-1 Preventive Maintenance Schedule for Key Tower Components

Component Weekly MonthlySeasonal Shutdown

Seasonal Startup

Fan motor — Check mounting bolts

Clean and cover Lubricate, if required; tighten mounting bolts

Speed reducer Check oil level, visual inspection

Check oil level, check mounting bolts

Overfill with oil, clean and cover

Refill with new oil and tighten mounting bolts

Fan wheel Visual inspection, clean foreign matter

Check bolts, check “set screws”

Clean and cover Clean and paint hub, check blade pitch

Drive shaft Visual inspection Check shaft align-ment

Clean and cover Realign

Distributionsystem

Remove foreign matter


Drain and clean Inspect and clean

Cold-water basin Remove foreign matter


Drain and clean Inspect and clean

Sump and screen Remove foreign matter


Drain line and shut off

Inspect and clean

Overflow Visual check Visual check — Tighten bolts

Connections Visual check Tighten bolts — —

December 1989 2700-2 Chevron Corporation

Heat Exchanger and Cooling Tower Manual 2700 Inspection and Maintenance


Heat Exchanger and Cooling Tower M

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Chevron Corporation2700-9

December 1989

2700 Inspection and Maintenance

Heat Exchanger and Cooling Tower M

anual

December 1989

2700-10Chevron Corporation

chevron - inspection and maintenance heat exchanger

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