
− iv −
General Information
Standard Repair Times (SRT) are lists of work tasks (procedures) and the time required to perform those
tasks. The procedures list the work tasks required to be sure an engine or generator set is ready to return
to service at the lowest possible cost to the customer. A Standard Repair Time is equitable when the repair
described in the procedure 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 on the same model, in the same application
at least once. Those SRT that a particular mechanic performs more frequently will often require less time
than the standard. Conversely, those SRT that a particular mechanic does not frequently perform may re-
quire more time than the standard. Several of the procedures may be required to accurately depict all the
work actually performed to return a particular engine or generator set to service because the repair of a
particular engine or generator set is often unique in light of the complaint, failure model, progressive dam-
age, condition of the parts and customer desires. To allow for differences in the time required to perform
a repair because of interference by the application, a Service Accessibility Code Scheme has been created.
Types of Standard Repair Times
There are three types of SRT. Most often at least one of each type is necessary to accurately depict the
repair. The three types are:
• Administrative
• Troubleshooting
• Repair
Administrative SRT
Administrative SRT are intended to provide time to move the vehicle engine or generator set to and from
the work area, fill out the repair order, record SRT used, etc. It is intended that an administrative SRT be
used only once for each repair order. There are two administrative SRT found in this manual in Group 00
− Complete Engine. One of the administrative SRT is to be used when the repair takes place in a shop oper-
ated by the repairing location. The other administrative SRT is to be used when the repair takes place away
from the shop operated by the repairing location (road repairs). The time for the road repair administrative
SRT is greater to allow for loading and unloading tools, equipment, parts, etc. from the service truck.
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