Hyster N40-50EA-ER (C138) Forklift Service Manual

Hyster N40-50EA-ER (C138) Forklift Index:

EV-IOO MOTOR CONTROLLER, DESCRIPTION AND OPERATION
GENERAL
ELECTRONIC SPEED CONIROLS
The Silicon Controlled Rectifier (SCR)
A Motor Circuit That Operates With Pulses
Traction Circuit .
Hydraulic Motor Circuit
The SCR 1 “OFF” Circuit .
INDUCTION CURRENT FROM THE MOTOR
THE CONTROL CARD
Pulse Monitor Trip (PMT) (Traction Circuit Only) .
SRO Circuit (Traction Circuit Only) .
Control Card Adjustments (Traction Circuit)
Accelerator Control
Dual Motor •mugging” 025-35B) .
SCR CONTROL (HYDRAULIC PUMP MOTOR) .
CONTACTORS AND ELECTRONIC DRIVERS (TRACTION CIRCUIT)
The Electronic Drivers
Contactors .
CIRCUIT PROTECTION
Current Limit .
Thermal Protection
Suppressors
Traction Circuit Fuse ..
SEQUENCE OF OPERATION .

Hyster