10
10-1
SECTION 10
ELECTRICAL SYSTEM
10A. Repair, Service Tools and Materials ............................................................. 10A-3
10B. Batteries Performance/ Charging/Maintenance........................................... .10B-5
10C. Layout Of Components(Batteries, Traction Motor) ........................................10C-7
Layout Of Components (RCU) .................................................................10C-8
Layout Of Components ( Cutting Unit Motor,Controllers)...........................10C-9
10D. Electrical Circuit Description.....................................................................10D-10
10E. Schematic diagrams..................................................................................10E-14
Master Diagram .................................................................................... 10E-14
Key Switch Off ....................................................................................... 10E-15
Key Switch 1st Position ........................................................................ 10E-16
Manual Lower Switch Depressed .......................................................... 10E-17
Limit Switch Activates ........................................................................... 10E-18
Key Switch Start Position ...................................................................... 10E-19
Run Position Transport Machine ........................................................... 10E-20
Run Position Mow.................................................................................. 10E-21
CentreUnits Lowers ...............................................................................10E-22
Centre Unit Limit Switch ........................................................................ 10E-23
Raise Pedal Depressed........................................................................ 10E-24
Centre Unit Raises ................................................................................ 10E-25
Centre Unit Raised ................................................................................ 10E-26
Machine Switched Off............................................................................ 10E-27
10F. Programmer Terms.................................................................................... 10F-28
10G. Fault finding - Locating wire connections....................................................10G-30
RCU Controller voltage tests..................................................................10G-31
RCU Actuator Circuit testing (limit switches and wiring) .........................10G-34
RCU actuator motor test ........................................................................10G-35
Main Contactor output ...........................................................................10G-36
Main reel contactor/electronic throttle .....................................................10G-37
Mow speed pot testing, seat switch testing ............................................10G-38
Solenoid contactor testing .....................................................................10G-39
Curtis PMC Controller - LED Diagnosis.....................................................10G-40
Trouble shooting chart ...........................................................................10G-41