GMJ 7202 Unit 112 Questions (part 2)

Fault finding: Link the symptoms to the cause.....

Humming /squealing noise when tap is opened.

• Caused by worn or split washer in float operated valve.

• Caused by loose or incorrectly supported / clipped pipework.

• Caused by worn or split tap washer.

Fault finding: Link the symptoms to the cause.....

Loud / violent banging within the system.

• Caused by worn or split washer in float operated valve.

• Caused by loose or incorrectly supported / clipped pipework.

• Caused by worn or split tap washer.

Fault finding: Link the symptoms to the cause.....

Loud hum in pipework.

• Caused by worn or split washer in float operated valve.

• Caused by loose or incorrectly supported / clipped pipework.

• Caused by worn or split tap washer.

Fault finding: Link the fault to the solution.....

Worn or split tap washer.

• Identify loose pipework and fix in place.

• Renew tap washer.

• Renew washer in float operated valve.

Fault finding: Link the fault to the solution.....

Worn or split washer in float operated valve.

• Identify loose pipework and fix in place.

• Renew tap washer.

• Renew washer in float operated valve.

Fault finding: Link the fault to the solution.....

Loose or incorrectly supported / clipped pipework.

• Identify loose pipework and fix in place.

• Renew tap washer.

• Renew washer in float operated valve.

What is ‘planned’ preventative maintenance?

• Working on breakdowns and emergencies.

• Regular checking of taps, valves and appliances.

• A 24 hour call out service.

• The installation of hot and cold services.

What is ‘unplanned’ maintenance?

• Working on breakdowns and emergencies

• Regular checking of taps, valves and appliances

• The installation of hot and cold services

• Yearly gas boiler service

Why is it important to carry out maintenance speedily and efficiently?

• To ensure you get paid as soon as possible.

• To get the system working as soon as possible

• To ensure the job costs the customer less

• To ensure you finish work on time.