Boiler PM

BOILER PREVENTATIVE MAINTENANCE

Best Practice
This practice will ensure the safe operation of University low pressure hot water boilers.  This practice defines guidelines for equipment inspection, testing and maintenance.

Program Scope
This program applies to all low pressure hot water boilers in use throughout the University.  The program mandates documented daily, weekly and monthly testing of the equipment.

Responsibilities
FACILITIES DEPARTMENT
       -- Perform daily, weekly and monthly tests on the boilers,
       -- Ensure contracted quarterly and annual inspections,
       -- Provide for the inventory of individual units on the PM Inventory, 
       -- Ensure proper documentation is maintained for each unit.

Process
       -- Verify the equipment and its location is entered into the campus PM Inventory.
       -- Maintain boiler preventative maintenance according to the following schedule

 

Daily

Weekly

Monthly

Semi Annual

Annual

Check gauges, monitors, and indicators.

X

X

X

X

X

Check instrument and equipment settings.

X

X

X

X

X

For high-pressure boilers, test low-water fuel cutoff devices and alarms

X

X

X

X

X

Check burner flame.

X

X

X

X

X

For low-pressure boilers, test low-water fuel cutoff device and alarm

 

X

X

X

X

Check igniter.

 

X

X

X

X

Check flame signal strength.

 

X

X

X

X

Check flame failure detection system.

 

X

X

X

X

Check firing rate control.

 

X

X

X

X

Make aural and visual check of pilot and main fuel valves

 

X

X

X

X

Check flue, vent, stack, or outlet dampers.

 

 

X

X

X

Test low draft, fan air pressure and damper position interlocks

 

 

X

X

X

Check low fire start interlock.

 

 

X

X

X

Test high and low oil pressure and temperature interlocks

 

 

X

X

X

Test high and low gas pressure interlocks.

 

 

X

X

X

Re-calibrate all indicating and recording gauges.

 

 

 

X

X

Check flame failure detection system components.

 

 

 

X

X

Check firing rate control.

 

 

 

X

X

Check piping and wiring of all interlocks and shutoff valves.

 

 

 

X

X

Inspect burner components.

 

 

 

X

X

Flame failure detection system, pilot turndown test

 

 

 

 

X

Flame failure detection system, test for hot refractory hold in.

 

 

 

 

X

Check dual fuel change over control.

 

 

 

 

X

Test high limit and operating temperature or steam pressure controls.

 

 

 

 

X

Replace vacuum tubes, scanners or flame rods per manufacturer's instructions.

 

 

 

 

X

Conduct a combustion test.

 

 

 

 

X

Check all coils and diaphragms; test other operating parts of all safety shutoff and control valves.

 

 

 

 

X

Test fuel valve interlock switch per manufacturer's instructions.

 

 

 

 

X

Perform leakage test on pilot and main gas and/or oil fuel valves.

 

 

 

 

X

Test purge air switch per manufacturer's instructions.

 

 

 

 

X

Test air / steam interlock per manufacturer's instructions.

 

 

 

 

X

Test burner position interlock per manufacturer's instructions.

 

 

 

 

X

Test rotary cup interlock per manufacturer's instructions.

 

 

 

 

X

Test low fire start interlock per  manufacturer's instructions.

 

 

 

 

X

Recondition or replace low water fuel cutoff device.

 

 

 

 

X

Flame failure detection system, pilot turndown test.

 

 

 

 

X

Flame failure detection system, test for hot refractory hold in.

 

 

 

 

X