Block F – Mainteance, Diagnosis, Repair and Removal

Trends

There are more complex systems requiring technical repair skills. New equipment is environmentally friendly and longer lasting. There are stricter regulations regarding the disposal of waste goods.

Related Components

All appliances and components apply.

Tools and Equipment

See Appendix A.

Task 12 Maintains oil-fired heating systems and components.

Context

Maintenance of oil-fired systems helps to ensure that the system operates safely, efficiently and economically. These systems include all oil-fired appliances as well as portable heating equipment.

Sub-task F-12.01 Checks oil-fired heating system and components.

Supporting Knowledge & Abilities

• F-12.01.01 knowledge of equipment and its operation
• F-12.01.02 knowledge of service history
• F-12.01.03 ability to determine condition of equipment
• F-12.01.04 ability to identify potential problem areas

Sub-task F-12.02 Cleans components.

Supporting Knowledge & Abilities

• F-12.02.01 knowledge of cleaning methods such as vacuuming, flushing and washing
• F-12.02.02 knowledge of cleaning materials
• F-12.02.03 ability to drain and recharge expansion tanks
• F-12.02.04 ability to clean distribution fan
• F-12.02.05 ability to clean burner components
• F-12.02.06 ability to clean exhaust components such as sidewall vents, direct vents, smoke pipe and chimneys
• F-12.02.07 ability to set or adjust temperature and pressure controls

Sub-task F-12.03 Changes preventative maintenance components.

Supporting Knowledge & Abilities

• F-12.03.01 knowledge of types of preventative maintenance components such as nozzles, oil filters, air filters, fan belts and gaskets
• F-12.03.02 knowledge of component specifications
• F-12.03.03 ability to access components
• F-12.03.04 ability to install new components

Sub-task F-12.04 Lubricates moving components.

Supporting Knowledge & Abilities

• F-12.04.01 knowledge of types of lubricants
• F-12.04.02 knowledge of lubrication requirements such as frequency, locations and amount of lubricant
• F-12.04.03 ability to apply lubricant

Task 13 Diagnoses oil-fired heating systems and components.

Context

Oil heat system technicians must be familiar with diagnostic techniques to enable safe, economical and efficient repairs.

Sub-task F-13.01 Checks for electrical problems.

Supporting Knowledge & Abilities

• F-13.01.01 knowledge of sequence of operation
• F-13.01.02 knowledge of basic electrical principles
• F-13.01.03 knowledge of electrical testing procedures
• F-13.01.04 ability to interpret component schematics
• F-13.01.05 ability to check for polarity
• F-13.01.06 ability to check for continuity
• F-13.01.07 ability to check voltage
• F-13.01.08 ability to check amperage
• F-13.01.09 ability to check resistance

Sub-task F-13.02 Checks for burner problems.

Supporting Knowledge & Abilities

• F-13.02.01 knowledge of burner operation
• F-13.02.02 knowledge of burner components
• F-13.02.03 knowledge of safety features such as primary controls and flame sensors
• F-13.02.04 knowledge of combustion testing procedures
• F-13.02.05 ability to check fuel supply
• F-13.02.06 ability to check ignition
• F-13.02.07 ability to check flame
• F-13.02.08 ability to check safety features

Sub-task F-13.03 Checks for distribution problems.

Supporting Knowledge & Abilities

• F-13.03.01 knowledge of distribution systems and components
• F-13.03.02 knowledge of distribution problems such as no heat, insufficient heat and excessive heat
• F-13.03.03 knowledge of testing procedures
• F-13.03.04 ability to isolate source of problem

Sub-task F-13.04 Checks for problems with combustion air and make-up air.

Supporting Knowledge & Abilities

• F-13.04.01 knowledge of combustion air and make-up air requirements
• F-13.04.02 knowledge of building alterations
• F-13.04.03 knowledge of testing procedures
• F-13.04.04 ability to check for blockages
• F-13.04.05 ability to check pressure differential

Task 14 Repairs oil-fired heating systems and components.

Context

Oil heat system technicians repair oil-fired heating systems and components in order to return the system to its correct and safe operation.

Sub-task F-14.01 Corrects electrical problems.

Supporting Knowledge & Abilities

• F-14.01.01 knowledge of basic electrical principles
• F-14.01.02 knowledge of relevant sections of electrical codes
• F-14.01.03 ability to interpret component schematics
• F-14.01.04 ability to lock out equipment
• F-14.01.05 ability to reset switches and breakers
• F-14.01.06 ability to replace defective electrical components
• F-14.01.07 ability to repair damaged wires and terminals

Sub-task F-14.02 Corrects burner problems.

Supporting Knowledge & Abilities

• F-14.02.01 knowledge of burner operation
• F-14.02.02 knowledge of burner components
• F-14.02.03 knowledge of safety features
• F-14.02.04 ability to interpret component schematics
• F-14.02.05 ability to repair and replace defective burner components
• F-14.02.06 ability to set operating parameters
• F-14.02.07 ability to reset burner components

Sub-task F-14.03 Corrects distribution problems.

Supporting Knowledge & Abilities

• F-14.03.01 knowledge of distribution systems and components
• F-14.03.02 knowledge of building alterations
• F-14.03.03 ability to interpret component schematics
• F-14.03.04 ability to repair and replace defective distribution components
• F-14.03.05 ability to purge hydronic distribution system
• F-14.03.06 ability to realign and adjust drive belts and pulleys
• F-14.03.07 ability to set operating parameters

Task 15 Removes appliances and components.

Context

Unsafe, inefficient and defective appliances and components are removed by oil heat system technicians. Proper storage and disposal of waste products and components is imperative.

Sub-task F-15.01 Decommissions appliances and components.

Supporting Knowledge & Abilities

• F-15.01.01 knowledge of WHMIS
• F-15.01.02 knowledge of material handling hazards
• F-15.01.03 ability to identify waste products such as fuel tanks, oil, glycol, mercury, heavy metals, asbestos and contaminated soil
• F-15.01.04 ability to identify products that can be recycled
• F-15.01.05 ability to disconnect utilities
• F-15.01.06 ability to drain system
• F-15.01.07 ability to seal breeches
• F-15.01.08 ability to strap ductwork and piping
• F-15.01.09 ability to disassemble appliance

Sub-task F-15.02 Disposes of waste products.

Supporting Knowledge & Abilities

• F-15.02.01 knowledge of jurisdictional guidelines and requirements for storage and disposal of removed components
• F-15.02.02 knowledge of containment systems
• F-15.02.03 knowledge of WHMIS
• F-15.02.04 knowledge of TDG regulations and signage
• F-15.02.05 knowledge of local resources for disposal such as environmental agencies, coast guard and certified disposal companies
• F-15.02.06 ability to handle waste products and containers