P09 Maintenance Management

Question 1

What is Maintenance Management?

Answer 1

An orderly and systematic approach to planning, organizing, monitoring and evaluating maintenance activities and their costs.

A good maintenance management system coupled with good staff can:

• prevent health and safety problems and environmental damage;
• yield longer asset life with fewer breakdowns;
• result in lower operating costs and a higher quality of life.

Question 2

There are 4 kinds of Maintenance, which one?

Answer 2

1. routine:
   ongoing maintenance activities such as cleaning washrooms, grading roads and mowing lawns, which are required because of continuing use of the facilities;
2. preventive:
   periodic adjustment, lubrication and inspection of mechanical or other equipment to ensure continuing working condition;
3. major:
   projects such as floor replacement, re-roofing, or complete re-painting which are performed once every few years;
4. emergency:
   unexpected breakdowns of assets or equipment. These are unpredictable or reactive type of maintenance and are more difficult to schedule than the above three categories.

Question 3

Maintenance of Airplanes.

Describe the system with its different kinds of maintenance checks.

Answer 3

Airlines refer to the detailed inspections as “checks”, commonly one of the following: A check, B check, C check, or D check. A and B checks are lighter checks, while C and D are considered heavier checks.

Question 4

Example checks of an airplane.

Answer 4

A check:
every 500-800 flight hours
performed overnight

B check:
every 4 - 6 month
performed within 1-3 days

C check:
every 20-24 months, performed in 1-2 weeks, up to 6000 man-hours

D check:
every 5 years, performed in 2 months with 50.000 man-hours

Question 5

Example Lubricating nipples.

Answer 5

Different types of grease in a system are required (because of functional reasons).

Avoidance of errors during re-lubrication by choose a different head shape of Lubricating nipples for any type of grease.