Terex Genie AL5HT, Service Manual

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Service Manual May 2015
Diagnostic Charts
68 AL5HT Part No. 1265482
Generator will not hold voltage
(loss of residual magnetism) Machine has been unused for a significant
length of time Flash the rotor.
Rotor shorting out when the unit gets hot Inspect rotor windings for broken
and/or burned wires.
Pinched leads Inspect and repair as needed.
Faulty capacitor Replace the capacitor.
Faulty diode Replace the diode.
Faulty surge suppressor Replace the surge suppressor.
Generator voltage spikes Incorrect engine adjustment, fuel line or
faulty fuel Change fuel filter and check engine
speed.
Loose connection Inspect all connections and repair as
needed.
Faulty ground connection Inspect all ground connections and
repair as needed.
Load induced Filter load.
Generator voltage low Loss of residual magnetism Flash the rotor.
Low engine speed Adjust idle. See Repair Section.
Faulty capacitor Replace the capacitor.
Faulty diode Replace the diode.