Wing Deck Position Switches
The wing deck position switches on the Groundsmaster
4100−D
are attached to the center deck housing (Fig.
45)
and are normally open. The wing deck position
switch is a powered proximity switch that incorporates
an internal reed switch and relay (see schematic in Fig-
ure 46). The actuator for the position switch is bolted to
the wing deck link (Fig. 47).
When a wing deck is lowered, the actuator tab on the
wing deck link is positioned close to the position switch
causing the switch to close. The closed switch allows
current flow to the wing deck hydraulic valve solenoid
and allows that wing deck to operate.
3
1
2
When a wing deck is raised, the actuator tab is moved
away from the position switch and the switch opens. The
open switch prevents current flow to the wing deck hy-
draulic valve solenoid and keeps that wing deck from op-
erating.
Figure 45
1.
2.
Switch cover
Position switch
3.
Switch bracket
Testing
BLUE
WHITE
1.
and raise wing decks. Stop engine, engage parking
brake, and remove key from the ignition switch.
Park machine on a level surface, lower cutting deck,
BLACK
RED
2.
switch that requires testing. Disconnect switch from wir-
ing harness.
Remove switch cover from deck to allow access to
CONNECTOR
POSITION SWITCH
Figure 46
NOTE: Deck
Proximity
Switch
Adjustment
Tool
(TOR4095) can be used for switch testing and adjust-
ment.
1
.188”
(4.8
mm)
3.
Ground switch connector terminal for black wire and
apply 12 VDC to switch connector terminal for red wire.
4.
minal for blue wire has 12 VDC and terminal for white
wire has 0 VDC.
Using a multimeter, verify that switch connector ter-
2
3
5.
Place a metal object near sensing area of switch (op-
posite end from wires). Ground switch connector termi-
nal for black wire and apply 12 VDC to switch connector
terminal for red wire.
6.
minal for blue wire has 0 VDC and terminal for white wire
has 12 VDC.
Using a multimeter, verify that switch connector ter-
Figure 47
3.
1.
2.
Position switch
Actuator tab
Wing deck link
7.
Replace switch as needed. For switch adjustment
procedure, see Wing Deck Position Switches in the Ad-
justments section of this chapter.
8.
Reinstall switch cover to deck.
Groundsmaster 4100−D
Page 5 − 29
Electrical System
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|---|---|
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