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chap 6 3/4/97 4:14 PM Page 71
task analysis 71
Example #4: This example shows the skills that anyone
would need to perform three of the steps in the trou-
bleshooting task shown earlier. (Initiating and terminat-
ing cues are not shown.)
Figure 6.6 Troubleshooting Skill Requirements
Receive
Malfunction
Report
On-Site Troubleshooting
Interpret Key: TS = troubleshooting
Malfunction PM = preventive maintenance
Report
Locate
Equipment
Op-Induced YES
Trouble?
Clear
Interview NO Trouble
Operator
Try
Quick Fixes Instruct
Verify
YES
Symptoms Operator
A
Trouble YES
Cleared?
NO
PM YES
TS Needed?
Aids YES Perform
Available?
NO Preventive
Maintenance
NO Use TS Aids
Perform
Split-Half Search
Make
Final Checks
Have
NO Good Idea
(Hypothesis)?
Complete
Paperwork
YES
To Learn More: See Resources #1, #4, #12, and #15.