Hypertherm Freedom 38 PPA, Service Manual

Page: 123 / 218

Freedom 38 PPA Service Manual 809010 123
5 – Generator and Engine Components
This section details the components associated with the generator and engine.
 Unfasten the front panel on page 124.
 Replace the transformer on page 126.
 Replace the emergency air intake shut-off valve on page 130.
 Replace the automatic voltage regulator (AVR) on page 133.
 Replace the fuel-level sensor on page 136.
 Replace the AC sensor wiring harnesses on page 138.
 Replace the control system wiring harness on page 140.
 Replace the generator wiring harness on page 142.
 Replace the engine wiring harness on page 148.
 Replace the relays on page 150.
 Replace the fuel shutoff relay on page 151.
 Replace the cooling unit fan relay on page 152.
 Replace the generator rectifiers on page 153.
WARNING!
ELECTRIC SHOCK CAN KILL
Disconnect or turn OFF electrical power before performing any maintenance
that involves removing the cover from the system or the consumables from
the plasma torch.
Read the separate Safety and Compliance Manual included with your system
for more safety precautions pertaining to plasma cutting.