
− vii −
Group
Number
Contents of Group
Specific Re-
pair Number
Description of
Category
16 Mounting Adaptations
17 Miscellaneous 9XX (SRCT in Group 99)
General/Miscella
neous
21 Generator Equipment
22 Hardware
25 Generator Components
26 Generator Control Components
27 Transfer Switches
99 SRCT
Step Numbers
While all SRT codes will contain a Group and Procedure number, only those procedures that are broken
down into steps have step numbers. The step numbers are sequential within a SRT.
Manual Organization
There is an alphabetic index in the back of the manual. Within a particular group the procedures are ar-
ranged in alphabetical order by title, thus are not in code numeric order.
There is also a numerical index in which the procedures are arranged in numeric order and not in alphabeti-
cal order.
Within a procedure, the user will note that some lines are indented. This indentation is intended to indicate
that the sub-tasks are part of the task under which they are indented.
Cummins/Onan SRT Objectives and Philosophy
The objective of Cummins/Onan SRT program is to provide credible and equitable labor time standards
and procedures to the worldwide Cummins/Onan service network.
A SRT is credible when the procedure accurately depicts the work that must be performed to accomplish
a quality engine or generator set repair.
A SRT is equitable when it can be performed in a period of time less than or equal to the standard by a
journeyman mechanic after he/she has performed that repair at least once.
To establish credible and equitable SRT with sufficient flexibility to account for differences in complaints,
failures, progressive damage, customer desires, etc., SRT have been structured using the following con-
siderations:
− What must ALWAYS be done to the engine or generator set to perform the work.
− What MAY have to be done to the engine or generator set parts dependent on their condition.
− What MAY have to be removed to access the engine or generator set.
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