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Rev. B
Workman 200 Spray System Page 3.1 -- 15 Sonic Boom System (Optional Kit)
Manual Boom Operation
During sprayer operation with the sonic boom switch in
themanualposition,thesprayboomswillremaininposi-
tion unless the operator presses a boom actuator
switch. When the sonic boom switch is in the manual
position,the sonicboomlight shouldbeilluminated.The
operatorwillcontrol theboomposition withtheboomac-
tuator switches.
Raise Boom
Whenaboomactuatorswitchispressed toraiseaboom
section, the electronic control unit (ECU) energizes the
power switch relay and both H--bridge relays for the re-
quested boom section. The energized relays provide a
current path to the boom actuator causing the actuator
to retract which will raise the boom section. The boom
will continue torise until theoperator releases theboom
actuator switch.
Lower Boom
When a boom actuator switch is pressed to lower a
boom section, the electronic control unit (ECU) ener-
gizes the power switch relay for the requested boom
section. The energized relay provides a current path to
the boom actuator causingthe actuator to extend which
will lower the boom section. The boom will continue to
lower until the operator releases the boom actuator
switch.