User manual

ProMaster 2500 User Manual 5-1
5
Preventive Maintenance
This chapter describes ProMaster 2500 theory of operation, diagnostics,
and preventive maintenance procedures. Diagnostic tests are described
for the motors, solenoids, optics, switches, and programming electronics.
The information in this chapter is presented in the following order:
Theory of Operation................................................................................5-2
Conditions Requiring Corrective Action ...........................................5-21
Corrective Adjustments........................................................................5-24
Diagnostics .............................................................................................5-30
Preventive Maintenance Procedures For Operators ........................5-55
Preventive Maintenance Procedures For Service Technicians........5-60
WARNING:Performing some of the diagnostic procedures in this
chapter will expose you to harmful high voltage. To avoid
electrical shock or mechanical injury, only a service
technician trained on electromechanical equipment
should perform the diagnostic tests that require lifting the
main plate while the 2500 is on.