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Groundsmaster 5900/5910Page 5 -- 20Electrical System
2. CENTER DECK controls (Fig. 28)
NOTE: The cutting decks will not lower when the
high speed range is selected. Also, the decks will not
raise or lower if the operator is not in the seat while
the engine is running.
To lowerthe center (front) cutting deck,the following
inputs have to be initiated:
D Center deck lift/lower sw itch pressed to lower
(CENTER DECK LOWER ON)
D Hi--Lo speed switch needs to be in LO (HIGH
RANGE OFF)
D Seat needs to be occupied (SEAT ON)
If the proper inputs exist, the following outputs
should occur:
D Center deck lower (CENTER DECK LOWER/
FLO ON)
To raise the center (front) cutting deck, the following
inputs have to be initiated:
D Center deck lift/lower switch pressed to raise
(CENTER DECK RAISE ON)
D Hi--Lo speed switch needs to be in LO (HIGH
RANGE OFF)
D Seat needs to be occupied (SEAT ON)
If the proper inputs exist, the following outputs
should occur:
D Center deck raise (MASTER LIFT SOLENOID
ON and CENTER DECK RAISE ON)
3. TRACTION PEDAL sensor function (Fig. 29)
The traction pedal DIAGNOSTIC screen identifies
the state of the traction pedal potentiometer
D An indicator bar shows the relative location of the
traction pedal range
D Thevoltages forthe neutralposition statechange
D Thepresent state of the forward and reverseneu-
tral switches
Figure 28
Figure 29
RNRNFF
2.23 V
NR NF
2.25 V 2.33 V2.18 V
1
2
3
5
4
1. Indicator bar
2. Neutral close/open voltage (reverse)
3. Neutral switch state change voltage (reverse)
4. Voltage for pedal in present position
5. Neutral switch state change voltage (forward)
6. Neutral close/open voltage (forward)
7. Neutral center target voltage
CALIBRATED
TRACTION PEDAL
6
7