Hillyard TRIDENT T20SC PRO, Service Manual

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4.1 Electrical Installation
4.1.1 Handlebar and Compo-
nents
• Put the machine in safe conditions.
• Tilt the recovery tank
(see fig. 4.1.1-1 )
.
• Remove the electrical system cover
by removing the screws
(see fig. 4.1.1-2 )
.
• Unscrew the 4 screws securing the
Handle group to the tank and re-
move it
(see fig. 4.1.1-3 )
.
• Unscrew the screws securing the
safety Lever and remove it from the
pivot
(see fig. 4.1.1-4 )
.
• Unscrew the central and external
screws securing the lower part from
the upper part
(see fig. 4.1.1-5 )
.
• Disconnect the cables.
4.1.1-1 4.1.1-2
4.1.1-3 4.1.1-4
4.1.1-5
• Remove the chosen component:
– Key Microswitch
–
Safety Microswitch
–
Potentiometer
–
Emergency button
–
Gun/Spray switch
– Backwards switch
–
Extra power switch
– Display card
–
SOS switch
–
Switch covers
• Proceed at reverse to refit the part.
4.1.2 Main Board & Actuator
Board
• Put the machine in safe conditions.
• Tilt the recovery tank
(see fig. 4.1.2-6 )
.
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