Introduction
A5.02
M20-M601C
en / 14.02.1997 AA000021 2/5
Ĺ
2.2 Maintenance system
The maintenance system consists of:
• work interval schedule
• job cards
• maintenance schedule (large-scale plan) *
While the work interval schedule indicates the date when inspection, maintenance or
repair shall be carried out, the job cards indicate the manner in which the work is to be
carried out.
2.2.1 Work interval schedule
The work interval schedule shall provide for a quick summary of all intended inspection,
maintenance and repair work occurring up to 48,000 operating hours.
The interval schedule is subdivided into the following four areas:
• Daily inspection and control work
• Initial inspection and maintenance work
Work which has to be carried out after first commissioning or commissioning after
major repair work.
• Periodic maintenance work
A list of all recurrent inspection, maintenance and repair work to be carried out at the
scheduled date.
The indicated intervals are statistical mean values. Other values may be obtained,
depending on equipment condition, operating and maintenance conditions.
• Maintenance work to be carried out independent of deadlines
List of work which may be required in the scope of scheduled work which cannot be
allocated to a deadline.
* will be handed over by the MaK service department for commissioning of the engine
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General