Meyer E-58H - Section 1 - General Description and Theory of Operation

SECTION 1 - GENERAL DESCRIPTION AND THEORY OF OPERATION
CONTENTS
GENERAL DESCRIPTION ..................................................................................................... 5
THEORY OF OPERATION .................................................................................................... 5
• FUNCTIONS E-58H, E-78 & E-88 ................................................................................... 5
• ELECTRICAL AND FLOW CHARTS ........................................................................................ 6-15
•• E-88 ..................................................................................................................... 6-11
•• E-78 ...................................................................................................................... 12-15
•• E-58H ................................................................................................................... 31-35
ELECTRO LIFT® UNIT COMPONENTS .............................................................................. 16
• MOTORS ...................................................................................................................... 16
•• Iskra ..................................................................................................................... 16
• HYDRAULIC PUMP .......................................................................................................... 16
• PRESSURE RELIEF VALVE ................................................................................................. 16
• SOLENOID VALVES .......................................................................................................... 16-17
•• Cartridge ............................................................................................................ 16
•• Coil ...................................................................................................................... 17
“A” Solenoid Valve .............................................................................................. 17
“B” Solenoid Valve .............................................................................................. 17
“C” Solenoid Valve .............................................................................................. 17
“D” Solenoid Valve (E-88 only) ........................................................................... 17
“E” Solenoid Valve (E-88 only) ........................................................................... 17
• CHECK VALVES ............................................................................................................. 18
• PILOT CHECK VALVE ...................................................................................................... 18
• CROSSOVER RELIEF VALVES ............................................................................................. 18
• SOLENOID SWITCH ......................................................................................................... 18
• FILTERS ....................................................................................................................... 18
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