SECTION 1 - GENERAL DESCRIPTION AND THEORY OF OPERATION
CONTENTS
GENERAL DESCRIPTION ................................................................................................. 5
THEORY OF OPERATION................................................................................................. 5
•F
UNCTIONS .................................................................................................................. 5
•• Models E-46 and E-46H ................................................................................... 5
•• Models E-47, E-47H and E-57, E-57H ........................................................... 5
•ELECTRICAL AND FLOW CHARTS ...................................................................................... 6-18
ELECTRO LIFT® UNIT COMPONENTS ......................................................................... 19
•M
OTORS ...................................................................................................................... 19
•• American Bosch ............................................................................................... 19
•• Prestolite ............................................................................................................ 19
•• Iskra .................................................................................................................... 19
•H
YDRAULIC PUMP .......................................................................................................... 19
•P
RESSURE RELIEF VALVE ................................................................................................ 19-20
•S
OLENOID VALVES ......................................................................................................... 20
•• Cartridge ............................................................................................................ 20
•• Coil...................................................................................................................... 20
“A” Solenoid Valve ............................................................................................. 20
“B” Solenoid Valve ............................................................................................ 20
“C” Solenoid Valve ........................................................................................... 20
•CHECK VALVES .............................................................................................................. 21
•P
ILOT CHECK VALVE ...................................................................................................... 21
•C
ROSSOVER RELIEF VALVES ............................................................................................ 21
•S
WITCH (MODELS E-46 AND E-46H) ............................................................................ 21
•S
WITCHES (POWER ANGLING MODELS)............................................................................ 21
•• Dual Switch Control ........................................................................................... 21-22
•• Single Lever Control .......................................................................................... 22
•• Electro-Touch Control......................................................................................... 22
•S
OLENOID SWITCH ........................................................................................................ 22
•F
ILTERS ....................................................................................................................... 22
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