Section 6 • SchematicsAugust 2016
Part No. 218567 AL4 • AL4000 6 - 1
Schematics
Observe and Obey:
Troubleshooting and repair procedures shall be
completed by a person trained and qualifi ed on
the repair of this machine.
Immediately tag and remove from service a
damaged or malfunctioning machine.
Repair any machine damage or malfunction
before operating the machine.
Before Troubleshooting:
Read, understand and obey the safety rules
and operating instructions in the appropriate
operator's manual on your machine before
attempting any maintenance or repair
procedure.
Be sure that all necessary tools and test
equipment are available and ready for use.
About This Section
There is one group of schematics in this section.
Electrical Schematics
Electrocution/burn hazard.
Contact with electrically charged
circuits could result in death or
serious injury. Remove all rings,
watches and other jewelry.
General Repair Process
Malfunction
discovered
Identify
symptoms
Troubleshoot
Return to
service
problem
still exists
problem
solved
Inspect
and test
Perform
repair
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