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Pro Sweep Page 4 -- 13 Electrical System
The offset lockout proximity switch is located on the LH
switch plate in the hole identified with number 5. This
switch is used to prevent the offset operation while the
dump hopper is in a raised position. The sensing plate
for the offset lockout switch is a pitch frame gusset.
The broom enable proximity switch is located on the LH
switch plate in the hole identified with number 7. This
switch is used to engage the brush. The sensing plate
for the broom enable switch is a pitch frame gusset.
The hitch home proximity switch is located on the front
of the frame near the hitch tongue pivot pin. This switch
is used to identify w hen thesweeperis positioned direct-
ly behind the tow vehicle (not offset). The sensing plate
for the hitch home switch is a plate on the hitch tongue.
Proximity Switch Testing
1. Position sweeper attached to tow vehicle on a level
surface with dump hopper empty and sweeper lowered.
Engage vehicle parking brake, stop engine and remove
key from the ignition switch. Chock sweeper wheels to
prevent sweeper from moving.
2. Depending on which proximity switch is to be tested,
position the sweeper as listed below (Figs. 11 and 12).
In this sweeper position, the LED on cable end of proxi-
mityswitchshouldbeilluminatedwhenelectricalpower
is available to sweeper.
Turn Around Position Switch (hole number 1):
Sweeper offset and lowered.
Transport Position Switch (number 3): Sweeper not
offset and lowered.
Offset Lockout Switch (number 5): Sweeper low-
ered.
BroomEnableSwitch(number7):Sweeper lowered.
Hitch Home Switch: Sweeper not offset.
3. Depending on which proximity switch is to be tested,
position the sweeper as listed below (Figs. 11 and 12).
In this sweeper position, the LED on cable end of proxi-
mity switch should not be illuminated when electrical
power is available to sweeper.
Turn Around Position Switch (hole number 1):
Sweeper offset and raised to turn around position.
Transport Position Switch (number 3): Sweeper not
offset and raised to transport position.
Offset Lockout Switch (number 5): Sweeper not off-
set and raised slightly higher than transport position.
Broom Enable Switch (number 7): Sweeper not off-
set and raised to transport position.
Hitch Home Switch: Sweeper offset.
Figure 11
LOWERED POSITION
TURN AROUND POSITION
TRANSPORT POSITION
(SWEEPER NOT OFFSET)
Figure 12
SWEEPER SWEEPER NOT
OFFSET OFFSET
Electrical
System